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The Maven Javadoc Plugin is a plugin that uses the javadoc tool for generating javadocs for the specified project.

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package org.apache.maven.plugins.javadoc;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.commons.lang3.ClassUtils;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.ArtifactUtils;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.Resource;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.javadoc.options.BootclasspathArtifact;
import org.apache.maven.plugins.javadoc.options.DocletArtifact;
import org.apache.maven.plugins.javadoc.options.Group;
import org.apache.maven.plugins.javadoc.options.JavadocOptions;
import org.apache.maven.plugins.javadoc.options.JavadocPathArtifact;
import org.apache.maven.plugins.javadoc.options.OfflineLink;
import org.apache.maven.plugins.javadoc.options.ResourcesArtifact;
import org.apache.maven.plugins.javadoc.options.Tag;
import org.apache.maven.plugins.javadoc.options.Taglet;
import org.apache.maven.plugins.javadoc.options.TagletArtifact;
import org.apache.maven.plugins.javadoc.options.io.xpp3.JavadocOptionsXpp3Writer;
import org.apache.maven.plugins.javadoc.resolver.JavadocBundle;
import org.apache.maven.plugins.javadoc.resolver.ResourceResolver;
import org.apache.maven.plugins.javadoc.resolver.SourceResolverConfig;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuilder;
import org.apache.maven.project.ProjectBuildingException;
import org.apache.maven.project.ProjectBuildingRequest;
import org.apache.maven.reporting.MavenReportException;
import org.apache.maven.settings.Proxy;
import org.apache.maven.settings.Settings;
import org.apache.maven.shared.artifact.DefaultArtifactCoordinate;
import org.apache.maven.shared.artifact.filter.resolve.AndFilter;
import org.apache.maven.shared.artifact.filter.resolve.PatternExclusionsFilter;
import org.apache.maven.shared.artifact.filter.resolve.PatternInclusionsFilter;
import org.apache.maven.shared.artifact.filter.resolve.ScopeFilter;
import org.apache.maven.shared.artifact.filter.resolve.TransformableFilter;
import org.apache.maven.shared.artifact.resolve.ArtifactResolver;
import org.apache.maven.shared.artifact.resolve.ArtifactResolverException;
import org.apache.maven.shared.artifact.resolve.ArtifactResult;
import org.apache.maven.shared.dependencies.DefaultDependableCoordinate;
import org.apache.maven.shared.dependencies.resolve.DependencyResolver;
import org.apache.maven.shared.dependencies.resolve.DependencyResolverException;
import org.apache.maven.shared.invoker.MavenInvocationException;
import org.apache.maven.toolchain.Toolchain;
import org.apache.maven.toolchain.ToolchainManager;
import org.apache.maven.wagon.PathUtils;
import org.codehaus.plexus.archiver.ArchiverException;
import org.codehaus.plexus.archiver.UnArchiver;
import org.codehaus.plexus.archiver.manager.ArchiverManager;
import org.codehaus.plexus.archiver.manager.NoSuchArchiverException;
import org.codehaus.plexus.components.io.fileselectors.IncludeExcludeFileSelector;
import org.codehaus.plexus.languages.java.jpms.LocationManager;
import org.codehaus.plexus.languages.java.jpms.ResolvePathsRequest;
import org.codehaus.plexus.languages.java.jpms.ResolvePathsResult;
import org.codehaus.plexus.languages.java.version.JavaVersion;
import org.codehaus.plexus.util.DirectoryScanner;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.ReaderFactory;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.WriterFactory;
import org.codehaus.plexus.util.cli.CommandLineException;
import org.codehaus.plexus.util.cli.CommandLineUtils;
import org.codehaus.plexus.util.cli.Commandline;
import org.codehaus.plexus.util.xml.Xpp3Dom;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Writer;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import static org.apache.maven.plugins.javadoc.JavadocUtil.toRelative;
import static org.apache.maven.plugins.javadoc.JavadocUtil.toList;
import static org.apache.maven.plugins.javadoc.JavadocUtil.isEmpty;
import static org.apache.maven.plugins.javadoc.JavadocUtil.isNotEmpty;

/**
 * Base class with majority of Javadoc functionalities.
 *
 * @author Brett Porter
 * @author Vincent Siveton
 * @version $Id: AbstractJavadocMojo.java 1801354 2017-07-09 08:49:46Z rfscholte $
 * @see 
 *      The Java API Documentation Generator, 7
 * @since 2.0
 */
public abstract class AbstractJavadocMojo
    extends AbstractMojo
{
    /**
     * Classifier used in the name of the javadoc-options XML file, and in the resources bundle
     * artifact that gets attached to the project. This one is used for non-test javadocs.
     *
     * @see #TEST_JAVADOC_RESOURCES_ATTACHMENT_CLASSIFIER
     * @since 2.7
     */
    public static final String JAVADOC_RESOURCES_ATTACHMENT_CLASSIFIER = "javadoc-resources";

    /**
     * Classifier used in the name of the javadoc-options XML file, and in the resources bundle
     * artifact that gets attached to the project. This one is used for test-javadocs.
     *
     * @see #JAVADOC_RESOURCES_ATTACHMENT_CLASSIFIER
     * @since 2.7
     */
    public static final String TEST_JAVADOC_RESOURCES_ATTACHMENT_CLASSIFIER = "test-javadoc-resources";

    /**
     * The default Javadoc API urls according the
     * Sun API
     * Specifications:
     * 
     * <javaApiLinks>
     *   <property>
     *     <name>api_1.3</name>
     *     <value>http://docs.oracle.com/javase/1.3/docs/api/</value>
     *   </property>
     *   <property>
     *     <name>api_1.4</name>
     *     <value>http://docs.oracle.com/javase/1.4.2/docs/api/</value>
     *   </property>
     *   <property>
     *     <name>api_1.5</name>
     *     <value>http://docs.oracle.com/javase/1.5.0/docs/api/</value>
     *   </property>
     *   <property>
     *     <name>api_1.6</name>
     *     <value>http://docs.oracle.com/javase/6/docs/api/</value>
     *   </property>
     *   <property>
     *     <name>api_1.7</name>
     *     <value>http://docs.oracle.com/javase/7/docs/api/</value>
     *   </property>
     *   <property>
     *     <name>api_1.8</name>
     *     <value>http://docs.oracle.com/javase/8/docs/api/</value>
     *   </property>
     * </javaApiLinks>
     * 
* * @since 2.6 */ public static final Properties DEFAULT_JAVA_API_LINKS = new Properties(); /** * The Javadoc script file name when debug parameter is on, i.e. javadoc.bat or javadoc.sh */ protected static final String DEBUG_JAVADOC_SCRIPT_NAME = "javadoc." + ( SystemUtils.IS_OS_WINDOWS ? "bat" : "sh" ); /** * The options file name in the output directory when calling: * javadoc.exe(or .sh) @options @packages | @argfile | @files */ protected static final String OPTIONS_FILE_NAME = "options"; /** * The packages file name in the output directory when calling: * javadoc.exe(or .sh) @options @packages | @argfile | @files */ protected static final String PACKAGES_FILE_NAME = "packages"; /** * The argfile file name in the output directory when calling: * javadoc.exe(or .sh) @options @packages | @argfile | @files */ protected static final String ARGFILE_FILE_NAME = "argfile"; /** * The files file name in the output directory when calling: * javadoc.exe(or .sh) @options @packages | @argfile | @files */ protected static final String FILES_FILE_NAME = "files"; /** * The current class directory */ private static final String RESOURCE_DIR = ClassUtils.getPackageName( JavadocReport.class ).replace( '.', '/' ); /** * Default css file name */ private static final String DEFAULT_CSS_NAME = "stylesheet.css"; /** * Default location for css */ private static final String RESOURCE_CSS_DIR = RESOURCE_DIR + "/css"; /** * For Javadoc options appears since Java 1.4. * See * What's New in Javadoc 1.4 * * @since 2.1 */ private static final JavaVersion SINCE_JAVADOC_1_4 = JavaVersion.parse( "1.4" ); /** * For Javadoc options appears since Java 1.4.2. * See * What's New in Javadoc 1.4.2 * * @since 2.1 */ private static final JavaVersion SINCE_JAVADOC_1_4_2 = JavaVersion.parse( "1.4.2" ); /** * For Javadoc options appears since Java 5.0. * See * What's New in Javadoc 5.0 * * @since 2.1 */ private static final JavaVersion SINCE_JAVADOC_1_5 = JavaVersion.parse( "1.5" ); /** * For Javadoc options appears since Java 6.0. * See * Javadoc Technology * * @since 2.4 */ private static final JavaVersion SINCE_JAVADOC_1_6 = JavaVersion.parse( "1.6" ); /** * For Javadoc options appears since Java 8.0. * See * Javadoc Technology * * @since 3.0.0 */ private static final JavaVersion SINCE_JAVADOC_1_8 = JavaVersion.parse( "1.8" ); /** * */ private static final JavaVersion JAVA_VERSION = JavaVersion.JAVA_SPECIFICATION_VERSION; // ---------------------------------------------------------------------- // Mojo components // ---------------------------------------------------------------------- /** * Archiver manager * * @since 2.5 */ @Component private ArchiverManager archiverManager; @Component private ResourceResolver resourceResolver; @Component private ArtifactResolver artifactResolver; @Component private ArtifactHandlerManager artifactHandlerManager; @Component private DependencyResolver dependencyResolver; /** * Project builder * * @since 3.0 */ @Component private ProjectBuilder mavenProjectBuilder; /** */ @Component private ToolchainManager toolchainManager; // ---------------------------------------------------------------------- // Mojo parameters // ---------------------------------------------------------------------- /** * The current build session instance. This is used for * toolchain manager API calls. */ @Parameter( defaultValue = "${session}", readonly = true, required = true ) protected MavenSession session; /** * The Maven Settings. * * @since 2.3 */ @Parameter( defaultValue = "${settings}", readonly = true, required = true ) private Settings settings; /** * The Maven Project Object */ @Parameter( defaultValue = "${project}", readonly = true, required = true ) protected MavenProject project; @Parameter( defaultValue = "${mojoExecution}", readonly = true ) private MojoExecution mojo; /** * Specify if the Javadoc should operate in offline mode. */ @Parameter( defaultValue = "${settings.offline}", required = true, readonly = true ) private boolean isOffline; /** * Specifies the Javadoc resources directory to be included in the Javadoc (i.e. package.html, images...). *
* Could be used in addition of docfilessubdirs parameter. *
* See docfilessubdirs. * * @see #docfilessubdirs * @since 2.1 */ @Parameter( defaultValue = "${basedir}/src/main/javadoc" ) private File javadocDirectory; /** * Set an additional option(s) on the command line. This value should include quotes as necessary for * parameters that include spaces. Useful for a custom doclet. * * @since 3.0.0 */ @Parameter private String[] additionalOptions; /** * Set an additional Javadoc option(s) (i.e. JVM options) on the command line. * Example: *
     * <additionalJOption>-J-Xss128m</additionalJOption>
     * 
* See Jflag. *
* See vmoptions. *
* See Networking * Properties. * * @since 2.3 */ @Parameter( property = "additionalJOption" ) private String additionalJOption; /** * Set additional JVM options for the execution of the javadoc command via the '-J' option to javadoc. * Example: *
     *     <additionalJOptions>
     *         <additionalJOption>-J-Xmx1g </additionalJOption>
     *     </additionalJOptions>
     * 
* @since 2.9 */ @Parameter private String[] additionalJOptions; /** * A list of artifacts containing resources which should be copied into the * Javadoc output directory (like stylesheets, icons, etc.). *
* Example: *
     * <resourcesArtifacts>
     *   <resourcesArtifact>
     *     <groupId>external.group.id</groupId>
     *     <artifactId>external-resources</artifactId>
     *     <version>1.0</version>
     *   </resourcesArtifact>
     * </resourcesArtifacts>
     * 
*
* See Javadoc. *
* * @since 2.5 */ @Parameter( property = "resourcesArtifacts" ) private ResourcesArtifact[] resourcesArtifacts; /** * The local repository where the artifacts are located. */ @Parameter( property = "localRepository" ) private ArtifactRepository localRepository; /** * The projects in the reactor for aggregation report. */ @Parameter( property = "reactorProjects", readonly = true ) private List reactorProjects; /** * Set this to true to debug the Javadoc plugin. With this, javadoc.bat(or.sh), * options, @packages or argfile files are provided in the output directory. *
* * @since 2.1 */ @Parameter( property = "debug", defaultValue = "false" ) private boolean debug; /** * Sets the absolute path of the Javadoc Tool executable to use. Since version 2.5, a mere directory specification * is sufficient to have the plugin use "javadoc" or "javadoc.exe" respectively from this directory. * * @since 2.3 */ @Parameter( property = "javadocExecutable" ) private String javadocExecutable; /** * Version of the Javadoc Tool executable to use, ex. "1.3", "1.5". * * @since 2.3 */ @Parameter( property = "javadocVersion" ) private String javadocVersion; /** * Version of the Javadoc Tool executable to use. */ private JavaVersion javadocRuntimeVersion; /** * Specifies whether the Javadoc generation should be skipped. * * @since 2.5 */ @Parameter( property = "maven.javadoc.skip", defaultValue = "false" ) protected boolean skip; /** * Specifies if the build will fail if there are errors during javadoc execution or not. * * @since 2.5 */ @Parameter( property = "maven.javadoc.failOnError", defaultValue = "true" ) protected boolean failOnError; /** * Specifies if the build will fail if there are warning during javadoc execution or not. * * @since 3.0.1 */ @Parameter( property = "maven.javadoc.failOnWarnings", defaultValue = "false" ) protected boolean failOnWarnings; /** * Specifies to use the * * options provided by the Standard Doclet for a custom doclet. *
* Example: *
     * <docletArtifacts>
     *   <docletArtifact>
     *     <groupId>com.sun.tools.doclets</groupId>
     *     <artifactId>doccheck</artifactId>
     *     <version>1.2b2</version>
     *   </docletArtifact>
     * </docletArtifacts>
     * <useStandardDocletOptions>true</useStandardDocletOptions>
     * 
* * @since 2.5 */ @Parameter( property = "useStandardDocletOptions", defaultValue = "true" ) protected boolean useStandardDocletOptions; /** * Detect the Javadoc links for all dependencies defined in the project. The detection is based on the default * Maven conventions, i.e.: ${project.url}/apidocs. *
* For instance, if the project has a dependency to * Apache Commons Lang i.e.: *
     * <dependency>
     *   <groupId>commons-lang</groupId>
     *   <artifactId>commons-lang</artifactId>
     * </dependency>
     * 
* The added Javadoc -link parameter will be http://commons.apache.org/lang/apidocs. * * @see #links * @since 2.6 */ @Parameter( property = "detectLinks", defaultValue = "false" ) private boolean detectLinks; /** * Detect the links for all modules defined in the project. *
* If {@link #reactorProjects} is defined in a non-aggregator way, it generates default offline links * between modules based on the defined project's urls. For instance, if a parent project has two projects * module1 and module2, the -linkoffline will be: *
* The added Javadoc -linkoffline parameter for module1 will be * /absolute/path/to/module2/target/site/apidocs *
* The added Javadoc -linkoffline parameter for module2 will be * /absolute/path/to/module1/target/site/apidocs * * @see #offlineLinks * @since 2.6 */ @Parameter( property = "detectOfflineLinks", defaultValue = "true" ) private boolean detectOfflineLinks; /** * Detect the Java API link for the current build, i.e. http://docs.oracle.com/javase/1.4.2/docs/api/ * for Java source 1.4. *
* By default, the goal detects the Javadoc API link depending the value of the source * parameter in the org.apache.maven.plugins:maven-compiler-plugin * (defined in ${project.build.plugins} or in ${project.build.pluginManagement}), * or try to compute it from the {@link #javadocExecutable} version. *
* See * Javadoc * for the default values. *
* * @see #links * @see #javaApiLinks * @see #DEFAULT_JAVA_API_LINKS * @since 2.6 */ @Parameter( property = "detectJavaApiLink", defaultValue = "true" ) private boolean detectJavaApiLink; /** * Use this parameter only if the Sun Javadoc API * urls have been changed or to use custom urls for Javadoc API url. *
* See * Javadoc * for the default values. *
* * @see #DEFAULT_JAVA_API_LINKS * @since 2.6 */ @Parameter( property = "javaApiLinks" ) private Properties javaApiLinks; /** * Flag controlling content validation of package-list resources. If set, the content of * package-list resources will be validated. * * @since 2.8 */ @Parameter( property = "validateLinks", defaultValue = "false" ) private boolean validateLinks; // ---------------------------------------------------------------------- // Javadoc Options - all alphabetical // ---------------------------------------------------------------------- /** * Specifies the paths where the boot classes reside. The bootclasspath can contain multiple paths * by separating them with a colon (:) or a semi-colon (;). *
* See bootclasspath. *
* * @since 2.5 */ @Parameter( property = "bootclasspath" ) private String bootclasspath; /** * Specifies the artifacts where the boot classes reside. *
* See bootclasspath. *
* Example: *
     * <bootclasspathArtifacts>
     *   <bootclasspathArtifact>
     *     <groupId>my-groupId</groupId>
     *     <artifactId>my-artifactId</artifactId>
     *     <version>my-version</version>
     *   </bootclasspathArtifact>
     * </bootclasspathArtifacts>
     * 
*
* See Javadoc. *
* * @since 2.5 */ @Parameter( property = "bootclasspathArtifacts" ) private BootclasspathArtifact[] bootclasspathArtifacts; /** * Uses the sentence break iterator to determine the end of the first sentence. *
* See breakiterator. *
* Since Java * 1.4. *
*/ @Parameter( property = "breakiterator", defaultValue = "false" ) private boolean breakiterator; /** * Specifies the class file that starts the doclet used in generating the documentation. *
* See doclet. */ @Parameter( property = "doclet" ) private String doclet; /** * Specifies the artifact containing the doclet starting class file (specified with the -doclet * option). *
* See * docletpath. *
* Example: *
     * <docletArtifact>
     *   <groupId>com.sun.tools.doclets</groupId>
     *   <artifactId>doccheck</artifactId>
     *   <version>1.2b2</version>
     * </docletArtifact>
     * 
*
* See Javadoc. *
*/ @Parameter( property = "docletArtifact" ) private DocletArtifact docletArtifact; /** * Specifies multiple artifacts containing the path for the doclet starting class file (specified with the * -doclet option). *
* See * docletpath. *
* Example: *
     * <docletArtifacts>
     *   <docletArtifact>
     *     <groupId>com.sun.tools.doclets</groupId>
     *     <artifactId>doccheck</artifactId>
     *     <version>1.2b2</version>
     *   </docletArtifact>
     * </docletArtifacts>
     * 
*
* See Javadoc. *
* * @since 2.1 */ @Parameter( property = "docletArtifacts" ) private DocletArtifact[] docletArtifacts; /** * Specifies the path to the doclet starting class file (specified with the -doclet option) and * any jar files it depends on. The docletPath can contain multiple paths by separating them with * a colon (:) or a semi-colon (;). *
* See * docletpath. */ @Parameter( property = "docletPath" ) private String docletPath; /** * Specifies the encoding name of the source files. If not specificed, the encoding value will be the value of the * file.encoding system property. *
* See encoding. *
* Note: In 2.4, the default value was locked to ISO-8859-1 to ensure reproducing build, but * this was reverted in 2.5. *
*/ @Parameter( property = "encoding", defaultValue = "${project.build.sourceEncoding}" ) private String encoding; /** * Unconditionally excludes the specified packages and their subpackages from the list formed by * -subpackages. Multiple packages can be separated by commas (,), colons (:) * or semicolons (;). *
* Example: *
     * <excludePackageNames>*.internal:org.acme.exclude1.*:org.acme.exclude2</excludePackageNames>
     * 
*
* See exclude. *
* Since Java * 1.4. */ @Parameter( property = "excludePackageNames" ) private String excludePackageNames; /** * Specifies the directories where extension classes reside. Separate directories in extdirs with a * colon (:) or a semi-colon (;). *
* See extdirs. */ @Parameter( property = "extdirs" ) private String extdirs; /** * Specifies the locale that javadoc uses when generating documentation. *
* See locale. */ @Parameter( property = "locale" ) private String locale; /** * Specifies the maximum Java heap size to be used when launching the Javadoc tool. * JVMs refer to this property as the -Xmx parameter. Example: '512' or '512m'. * The memory unit depends on the JVM used. The units supported could be: k, kb, * m, mb, g, gb, t, tb. * If no unit specified, the default unit is m. */ @Parameter( property = "maxmemory" ) private String maxmemory; /** * Specifies the minimum Java heap size to be used when launching the Javadoc tool. * JVMs refer to this property as the -Xms parameter. Example: '512' or '512m'. * The memory unit depends on the JVM used. The units supported could be: k, kb, * m, mb, g, gb, t, tb. * If no unit specified, the default unit is m. */ @Parameter( property = "minmemory" ) private String minmemory; /** * This option creates documentation with the appearance and functionality of documentation generated by * Javadoc 1.1. *
* See 1.1. *
*/ @Parameter( property = "old", defaultValue = "false" ) private boolean old; /** * Specifies that javadoc should retrieve the text for the overview documentation from the "source" file * specified by path/filename and place it on the Overview page (overview-summary.html). *
* Note: could be in conflict with <nooverview/>. *
* See overview. *
*/ @Parameter( property = "overview", defaultValue = "${basedir}/src/main/javadoc/overview.html" ) private File overview; /** * Shuts off non-error and non-warning messages, leaving only the warnings and errors appear, making them * easier to view. *
* Note: was a standard doclet in Java 1.4.2 (refer to bug ID * 4714350). *
* See quiet. *
* Since Java 5.0. *
*/ @Parameter( property = "quiet", defaultValue = "false" ) private boolean quiet; /** * Specifies the access level for classes and members to show in the Javadocs. * Possible values are: *
    *
  • public * (shows only public classes and members)
  • *
  • protected * (shows only public and protected classes and members)
  • *
  • package * (shows all classes and members not marked private)
  • *
  • private * (shows all classes and members)
  • *
*
*/ @Parameter( property = "show", defaultValue = "protected" ) private String show; /** * Necessary to enable javadoc to handle assertions introduced in J2SE v 1.4 source code or generics introduced in * J2SE v5. *
* See source. *
* Since Java * 1.4. */ @Parameter( property = "source" ) private String source; /** * Specifies the source paths where the subpackages are located. The sourcepath can contain * multiple paths by separating them with a colon (:) or a semi-colon (;). *
* See * sourcepath. */ @Parameter( property = "sourcepath" ) private String sourcepath; /** * Specifies the package directory where javadoc will be executed. Multiple packages can be separated by * colons (:). *
* See * subpackages. *
* Since Java * 1.4. */ @Parameter( property = "subpackages" ) private String subpackages; /** * Provides more detailed messages while javadoc is running. *
* See verbose. *
*/ @Parameter( property = "verbose", defaultValue = "false" ) private boolean verbose; // ---------------------------------------------------------------------- // Standard Doclet Options - all alphabetical // ---------------------------------------------------------------------- /** * Specifies whether or not the author text is included in the generated Javadocs. *
* See author. *
*/ @Parameter( property = "author", defaultValue = "true" ) private boolean author; /** * Specifies the text to be placed at the bottom of each output file.
* If you want to use html you have to put it in a CDATA section,
* eg. <![CDATA[Copyright 2005, <a href="http://www.mycompany.com">MyCompany, Inc.<a>]]> *
* See bottom. *
*/ @Parameter( property = "bottom", defaultValue = "Copyright © {inceptionYear}–{currentYear} {organizationName}. " + "All rights reserved." ) private String bottom; /** * Specifies the HTML character set for this document. If not specificed, the charset value will be the value of * the docencoding parameter. *
* See charset. *
*/ @Parameter( property = "charset" ) private String charset; /** * Specifies the encoding of the generated HTML files. If not specificed, the docencoding value will be * UTF-8. *
* See * docencoding. */ @Parameter( property = "docencoding", defaultValue = "${project.reporting.outputEncoding}" ) private String docencoding; /** * Enables deep copying of the **/doc-files directories and the specifc resources * directory from the javadocDirectory directory (for instance, * src/main/javadoc/com/mycompany/myapp/doc-files and src/main/javadoc/resources). *
* See * docfilessubdirs. *
* Since Java * 1.4. *
* See javadocDirectory. *
* * @see #excludedocfilessubdir * @see #javadocDirectory */ @Parameter( property = "docfilessubdirs", defaultValue = "false" ) private boolean docfilessubdirs; /** * Specifies specific checks to be performed on Javadoc comments. *
* See doclint. * * @since 3.0.0 */ @Parameter( property = "doclint" ) private String doclint; /** * Specifies the title to be placed near the top of the overview summary file. *
* See doctitle. *
*/ @Parameter( property = "doctitle", defaultValue = "${project.name} ${project.version} API" ) private String doctitle; /** * Excludes any "doc-files" subdirectories with the given names. Multiple patterns can be excluded * by separating them with colons (:). *
* See * excludedocfilessubdir. *
* Since Java * 1.4. * * @see #docfilessubdirs */ @Parameter( property = "excludedocfilessubdir" ) private String excludedocfilessubdir; /** * Specifies the footer text to be placed at the bottom of each output file. *
* See footer. */ @Parameter( property = "footer" ) private String footer; /** * Separates packages on the overview page into whatever groups you specify, one group per table. The * packages pattern can be any package name, or can be the start of any package name followed by an asterisk * (*) meaning "match any characters". Multiple patterns can be included in a group * by separating them with colons (:). *
* Example: *
     * <groups>
     *   <group>
     *     <title>Core Packages</title>
     *     <!-- To includes java.lang, java.lang.ref,
     *     java.lang.reflect and only java.util
     *     (i.e. not java.util.jar) -->
     *     <packages>java.lang*:java.util</packages>
     *   </group>
     *   <group>
     *     <title>Extension Packages</title>
     *      <!-- To include javax.accessibility,
     *     javax.crypto, ... (among others) -->
     *     <packages>javax.*</packages>
     *   </group>
     * </groups>
     * 
* Note: using java.lang.* for packages would omit the java.lang * package but using java.lang* will include it. *
* See group. *
* See Javadoc. *
*/ @Parameter( property = "groups" ) private Group[] groups; /** * Specifies the header text to be placed at the top of each output file. *
* See header. */ @Parameter( property = "header" ) private String header; /** * Specifies the path of an alternate help file path\filename that the HELP link in the top and bottom * navigation bars link to. *
* Note: could be in conflict with <nohelp/>. *
* The helpfile could be an absolute File path. *
* Since 2.6, it could be also be a path from a resource in the current project source directories * (i.e. src/main/java, src/main/resources or src/main/javadoc) * or from a resource in the Javadoc plugin dependencies, for instance: *
     * <helpfile>path/to/your/resource/yourhelp-doc.html</helpfile>
     * 
* Where path/to/your/resource/yourhelp-doc.html could be in src/main/javadoc. *
     * <build>
     *   <plugins>
     *     <plugin>
     *       <groupId>org.apache.maven.plugins</groupId>
     *       <artifactId>maven-javadoc-plugin</artifactId>
     *       <configuration>
     *         <helpfile>path/to/your/resource/yourhelp-doc.html</helpfile>
     *         ...
     *       </configuration>
     *       <dependencies>
     *         <dependency>
     *           <groupId>groupId</groupId>
     *           <artifactId>artifactId</artifactId>
     *           <version>version</version>
     *         </dependency>
     *       </dependencies>
     *     </plugin>
     *     ...
     *   <plugins>
     * </build>
     * 
* Where path/to/your/resource/yourhelp-doc.html is defined in the * groupId:artifactId:version javadoc plugin dependency. *
* See helpfile. */ @Parameter( property = "helpfile" ) private String helpfile; /** * Adds HTML meta keyword tags to the generated file for each class. *
* See keywords. *
* Since * * Java 1.4.2. *
* Since * * Java 5.0. *
* * @since 2.1 */ @Parameter( property = "keywords", defaultValue = "false" ) private boolean keywords; /** * Creates links to existing javadoc-generated documentation of external referenced classes. *
* Notes: *
    *
  1. only used if {@link #isOffline} is set to false.
  2. *
  3. all given links should have a fetchable /package-list file. For instance: *
         * <links>
         *   <link>http://docs.oracle.com/javase/1.4.2/docs/api</link>
         * <links>
         * 
    * will be used because http://docs.oracle.com/javase/1.4.2/docs/api/package-list exists.
  4. *
  5. if {@link #detectLinks} is defined, the links between the project dependencies are * automatically added.
  6. *
  7. if {@link #detectJavaApiLink} is defined, a Java API link, based on the Java version of the * project's sources, will be added automatically.
  8. *
* See link. * * @see #detectLinks * @see #detectJavaApiLink */ @Parameter( property = "links" ) protected ArrayList links; /** * Creates an HTML version of each source file (with line numbers) and adds links to them from the standard * HTML documentation. *
* See * linksource. *
* Since Java * 1.4. *
*/ @Parameter( property = "linksource", defaultValue = "false" ) private boolean linksource; /** * Suppress the entire comment body, including the main description and all tags, generating only declarations. *
* See nocomment. *
* Since Java * 1.4. *
*/ @Parameter( property = "nocomment", defaultValue = "false" ) private boolean nocomment; /** * Prevents the generation of any deprecated API at all in the documentation. *
* See * nodeprecated. *
*/ @Parameter( property = "nodeprecated", defaultValue = "false" ) private boolean nodeprecated; /** * Prevents the generation of the file containing the list of deprecated APIs (deprecated-list.html) and the * link in the navigation bar to that page. *
* See * nodeprecatedlist. *
*/ @Parameter( property = "nodeprecatedlist", defaultValue = "false" ) private boolean nodeprecatedlist; /** * Omits the HELP link in the navigation bars at the top and bottom of each page of output. *
* Note: could be in conflict with <helpfile/>. *
* See nohelp. *
*/ @Parameter( property = "nohelp", defaultValue = "false" ) private boolean nohelp; /** * Omits the index from the generated docs. *
* Note: could be in conflict with <splitindex/>. *
* See noindex. *
*/ @Parameter( property = "noindex", defaultValue = "false" ) private boolean noindex; /** * Omits the navigation bar from the generated docs. *
* See nonavbar. *
*/ @Parameter( property = "nonavbar", defaultValue = "false" ) private boolean nonavbar; /** * Omits the entire overview page from the generated docs. *
* Note: could be in conflict with <overview/>. *
* Standard Doclet undocumented option. *
* * @since 2.4 */ @Parameter( property = "nooverview", defaultValue = "false" ) private boolean nooverview; /** * Omits qualifying package name from ahead of class names in output. * Example: *
     * <noqualifier>all</noqualifier>
     * or
     * <noqualifier>packagename1:packagename2</noqualifier>
     * 
* See * noqualifier. *
* Since Java * 1.4. */ @Parameter( property = "noqualifier" ) private String noqualifier; /** * Omits from the generated docs the "Since" sections associated with the since tags. *
* See nosince. *
*/ @Parameter( property = "nosince", defaultValue = "false" ) private boolean nosince; /** * Suppresses the timestamp, which is hidden in an HTML comment in the generated HTML near the top of each page. *
* See * notimestamp. *
* Since * * Java 5.0. *
* * @since 2.1 */ @Parameter( property = "notimestamp", defaultValue = "false" ) private boolean notimestamp; /** * Omits the class/interface hierarchy pages from the generated docs. *
* @see notree option */ @Parameter( property = "notree", defaultValue = "false" ) private boolean notree; /** * This option is a variation of -link; they both create links to javadoc-generated documentation * for external referenced classes. *
* See * linkoffline. *
* Example: *
     * <offlineLinks>
     *   <offlineLink>
     *     <url>http://docs.oracle.com/javase/1.5.0/docs/api/</url>
     *     <location>../javadoc/jdk-5.0/</location>
     *   </offlineLink>
     * </offlineLinks>
     * 
*
* Note: if {@link #detectOfflineLinks} is defined, the offline links between the project modules are * automatically added if the goal is calling in a non-aggregator way. *
* @see Javadoc. */ @Parameter( property = "offlineLinks" ) private OfflineLink[] offlineLinks; /** * Specifies the destination directory where javadoc saves the generated HTML files. *
* @see d option */ @Parameter( property = "destDir", alias = "destDir", defaultValue = "${project.build.directory}/apidocs", required = true ) protected File outputDirectory; /** * Specify the text for upper left frame. *
* Since * * Java 1.4.2. * * @since 2.1 */ @Parameter( property = "packagesheader" ) private String packagesheader; /** * Generates compile-time warnings for missing serial tags. *
* @see serialwarn option */ @Parameter( property = "serialwarn", defaultValue = "false" ) private boolean serialwarn; /** * Specify the number of spaces each tab takes up in the source. If no tab is used in source, the default * space is used. *
* Note: was linksourcetab in Java 1.4.2 (refer to bug ID * 4788919). *
* Since * * 1.4.2. *
* Since Java 5.0. * * @since 2.1 */ @Parameter( property = "sourcetab", alias = "linksourcetab" ) private int sourcetab; /** * Splits the index file into multiple files, alphabetically, one file per letter, plus a file for any index * entries that start with non-alphabetical characters. *
* Note: could be in conflict with <noindex/>. *
* See * splitindex. *
*/ @Parameter( property = "splitindex", defaultValue = "false" ) private boolean splitindex; /** * Specifies whether the stylesheet to be used is the maven's javadoc stylesheet or * java's default stylesheet when a stylesheetfile parameter is not specified. *
* Possible values: maven or java. *
*/ @Parameter( property = "stylesheet", defaultValue = "java" ) private String stylesheet; /** * Specifies the path of an alternate HTML stylesheet file. *
* The stylesheetfile could be an absolute File path. *
* Since 2.6, it could be also be a path from a resource in the current project source directories * (i.e. src/main/java, src/main/resources or src/main/javadoc) * or from a resource in the Javadoc plugin dependencies, for instance: *
     * <stylesheetfile>path/to/your/resource/yourstylesheet.css</stylesheetfile>
     * 
* Where path/to/your/resource/yourstylesheet.css could be in src/main/javadoc. *
     * <build>
     *   <plugins>
     *     <plugin>
     *       <groupId>org.apache.maven.plugins</groupId>
     *       <artifactId>maven-javadoc-plugin</artifactId>
     *       <configuration>
     *         <stylesheetfile>path/to/your/resource/yourstylesheet.css</stylesheetfile>
     *         ...
     *       </configuration>
     *       <dependencies>
     *         <dependency>
     *           <groupId>groupId</groupId>
     *           <artifactId>artifactId</artifactId>
     *           <version>version</version>
     *         </dependency>
     *       </dependencies>
     *     </plugin>
     *     ...
     *   <plugins>
     * </build>
     * 
* Where path/to/your/resource/yourstylesheet.css is defined in the * groupId:artifactId:version javadoc plugin dependency. *
* See * stylesheetfile. */ @Parameter( property = "stylesheetfile" ) private String stylesheetfile; /** * Specifies the class file that starts the taglet used in generating the documentation for that tag. *
* See taglet. *
* Since * Java 1.4. */ @Parameter( property = "taglet" ) private String taglet; /** * Specifies the Taglet artifact containing the taglet class files (.class). *
* See * tagletpath. *
* Example: *
     * <taglets>
     *   <taglet>
     *     <tagletClass>com.sun.tools.doclets.ToDoTaglet</tagletClass>
     *   </taglet>
     *   <taglet>
     *     <tagletClass>package.to.AnotherTagletClass</tagletClass>
     *   </taglet>
     *   ...
     * </taglets>
     * <tagletArtifact>
     *   <groupId>group-Taglet</groupId>
     *   <artifactId>artifact-Taglet</artifactId>
     *   <version>version-Taglet</version>
     * </tagletArtifact>
     * 
*
* See Javadoc. *
* * @since 2.1 */ @Parameter( property = "tagletArtifact" ) private TagletArtifact tagletArtifact; /** * Specifies several Taglet artifacts containing the taglet class files (.class). These taglets class names will be * auto-detect and so no need to specify them. *
* See taglet. *
* See * tagletpath. *
* Example: *
     * <tagletArtifacts>
     *   <tagletArtifact>
     *     <groupId>group-Taglet</groupId>
     *     <artifactId>artifact-Taglet</artifactId>
     *     <version>version-Taglet</version>
     *   </tagletArtifact>
     *   ...
     * </tagletArtifacts>
     * 
*
* See Javadoc. *
* * @since 2.5 */ @Parameter( property = "tagletArtifacts" ) private TagletArtifact[] tagletArtifacts; /** * Specifies the search paths for finding taglet class files (.class). The tagletpath can contain * multiple paths by separating them with a colon (:) or a semi-colon (;). *
* See * tagletpath. *
* Since * Java 1.4. */ @Parameter( property = "tagletpath" ) private String tagletpath; /** * Enables the Javadoc tool to interpret multiple taglets. *
* See taglet. *
* See * tagletpath. *
* Example: *
     * <taglets>
     *   <taglet>
     *     <tagletClass>com.sun.tools.doclets.ToDoTaglet</tagletClass>
     *     <!--<tagletpath>/home/taglets</tagletpath>-->
     *     <tagletArtifact>
     *       <groupId>group-Taglet</groupId>
     *       <artifactId>artifact-Taglet</artifactId>
     *       <version>version-Taglet</version>
     *     </tagletArtifact>
     *   </taglet>
     * </taglets>
     * 
*
* See Javadoc. *
* * @since 2.1 */ @Parameter( property = "taglets" ) private Taglet[] taglets; /** * Enables the Javadoc tool to interpret a simple, one-argument custom block tag tagname in doc comments. *
* See tag. *
* Since * Java 1.4. *
* Example: *
     * <tags>
     *   <tag>
     *     <name>todo</name>
     *     <placement>a</placement>
     *     <head>To Do:</head>
     *   </tag>
     * </tags>
     * 
* Note: the placement should be a combinaison of Xaoptcmf letters: *
    *
  • X (disable tag)
  • *
  • a (all)
  • *
  • o (overview)
  • *
  • p (packages)
  • *
  • t (types, that is classes and interfaces)
  • *
  • c (constructors)
  • *
  • m (methods)
  • *
  • f (fields)
  • *
* See Javadoc. *
*/ @Parameter( property = "tags" ) private Tag[] tags; /** * Specifies the top text to be placed at the top of each output file. *
* See 6227616. *
* Since Java 6.0 * * @since 2.4 */ @Parameter( property = "top" ) private String top; /** * Includes one "Use" page for each documented class and package. *
* See use. *
*/ @Parameter( property = "use", defaultValue = "true" ) private boolean use; /** * Includes the version text in the generated docs. *
* See version. *
*/ @Parameter( property = "version", defaultValue = "true" ) private boolean version; /** * Specifies the title to be placed in the HTML title tag. *
* See * windowtitle. *
*/ @Parameter( property = "windowtitle", defaultValue = "${project.name} ${project.version} API" ) private String windowtitle; /** * Whether dependency -sources jars should be resolved and included as source paths for javadoc generation. * This is useful when creating javadocs for a distribution project. * * @since 2.7 */ @Parameter( defaultValue = "false" ) private boolean includeDependencySources; /** * Directory where unpacked project sources / test-sources should be cached. * * @see #includeDependencySources * @since 2.7 */ @Parameter( defaultValue = "${project.build.directory}/distro-javadoc-sources" ) private File sourceDependencyCacheDir; /** * Whether to include transitive dependencies in the list of dependency -sources jars to include * in this javadoc run. * * @see #includeDependencySources * @since 2.7 */ @Parameter( defaultValue = "false" ) private boolean includeTransitiveDependencySources; /** * List of included dependency-source patterns. Example: org.apache.maven:* * * @see #includeDependencySources * @since 2.7 */ @Parameter private List dependencySourceIncludes; /** * List of excluded dependency-source patterns. Example: org.apache.maven.shared:* * * @see #includeDependencySources * @since 2.7 */ @Parameter private List dependencySourceExcludes; /** * Directory into which assembled {@link JavadocOptions} instances will be written before they * are added to javadoc resources bundles. * * @since 2.7 */ @Parameter( defaultValue = "${project.build.directory}/javadoc-bundle-options", readonly = true ) private File javadocOptionsDir; /** * Transient variable to allow lazy-resolution of javadoc bundles from dependencies, so they can * be used at various points in the javadoc generation process. * * @since 2.7 */ private transient List dependencyJavadocBundles; /** * Capability to add additional dependencies to the javadoc classpath. * Example: *
     * <additionalDependencies>
     *   <additionalDependency>
     *     <groupId>geronimo-spec</groupId>
     *     <artifactId>geronimo-spec-jta</artifactId>
     *     <version>1.0.1B-rc4:</version>
     *   </additionalDependency>
     * </additionalDependencies>
     * 
* * @since 2.8.1 */ @Parameter private List additionalDependencies; /** * Include filters on the source files. Default is **\/\*.java. * These are ignored if you specify subpackages or subpackage excludes. */ @Parameter private List sourceFileIncludes; /** * exclude filters on the source files. * These are ignored if you specify subpackages or subpackage excludes. */ @Parameter private List sourceFileExcludes; /** * To apply the security fix on generated javadoc see http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1571 * @since 2.9.1 */ @Parameter( defaultValue = "true", property = "maven.javadoc.applyJavadocSecurityFix" ) private boolean applyJavadocSecurityFix = true; /** *

* Specify the requirements for this jdk toolchain. * This overrules the toolchain selected by the maven-toolchain-plugin. *

* note: requires at least Maven 3.3.1 * * @since 3.0.0 */ @Parameter private Map jdkToolchain; // ---------------------------------------------------------------------- // static // ---------------------------------------------------------------------- static { DEFAULT_JAVA_API_LINKS.put( "api_1.5", "https://docs.oracle.com/javase/1.5.0/docs/api/" ); DEFAULT_JAVA_API_LINKS.put( "api_1.6", "https://docs.oracle.com/javase/6/docs/api/" ); DEFAULT_JAVA_API_LINKS.put( "api_1.7", "https://docs.oracle.com/javase/7/docs/api/" ); DEFAULT_JAVA_API_LINKS.put( "api_1.8", "https://docs.oracle.com/javase/8/docs/api/" ); DEFAULT_JAVA_API_LINKS.put( "api_9", "https://docs.oracle.com/javase/9/docs/api/" ); } // ---------------------------------------------------------------------- // protected methods // ---------------------------------------------------------------------- /** * Indicates whether this goal is flagged with @aggregator. * * @return true if the goal is designed as an aggregator, false otherwise. * @see AggregatorJavadocReport * @see AggregatorTestJavadocReport */ protected boolean isAggregator() { return false; } /** * Indicates whether this goal generates documentation for the Java Test code. * * @return true if the goal generates Test Javadocs, false otherwise. */ protected boolean isTest() { return false; } /** * @return the output directory */ protected String getOutputDirectory() { return outputDirectory.getAbsoluteFile().toString(); } protected MavenProject getProject() { return project; } /** * @param p not null maven project * @return the list of directories where compiled classes are placed for the given project. These dirs are * added in the javadoc classpath. */ protected List getProjectBuildOutputDirs( MavenProject p ) { if ( StringUtils.isEmpty( p.getBuild().getOutputDirectory() ) ) { return Collections.emptyList(); } return Collections.singletonList( new File( p.getBuild().getOutputDirectory() ) ); } /** * @param p not null maven project * @return the list of source paths for the given project */ protected List getProjectSourceRoots( MavenProject p ) { if ( "pom".equals( p.getPackaging().toLowerCase() ) ) { return Collections.emptyList(); } return ( p.getCompileSourceRoots() == null ? Collections.emptyList() : new LinkedList<>( p.getCompileSourceRoots() ) ); } /** * @param p not null maven project * @return the list of source paths for the execution project of the given project */ protected List getExecutionProjectSourceRoots( MavenProject p ) { if ( "pom".equals( p.getExecutionProject().getPackaging().toLowerCase() ) ) { return Collections.emptyList(); } return ( p.getExecutionProject().getCompileSourceRoots() == null ? Collections.emptyList() : new LinkedList<>( p.getExecutionProject().getCompileSourceRoots() ) ); } /** * @return the current javadoc directory */ protected File getJavadocDirectory() { return javadocDirectory; } /** * @return the doclint specific checks configuration */ protected String getDoclint() { return doclint; } /** * @return the title to be placed near the top of the overview summary file */ protected String getDoctitle() { return doctitle; } /** * @return the overview documentation file from the user parameter or from the javadocdirectory */ protected File getOverview() { return overview; } /** * @return the title to be placed in the HTML title tag */ protected String getWindowtitle() { return windowtitle; } /** * @return the charset attribute or the value of {@link #getDocencoding()} if null. */ private String getCharset() { return ( StringUtils.isEmpty( charset ) ) ? getDocencoding() : charset; } /** * @return the docencoding attribute or UTF-8 if null. */ private String getDocencoding() { return ( StringUtils.isEmpty( docencoding ) ) ? ReaderFactory.UTF_8 : docencoding; } /** * @return the encoding attribute or the value of file.encoding system property if null. */ private String getEncoding() { return ( StringUtils.isEmpty( encoding ) ) ? ReaderFactory.FILE_ENCODING : encoding; } @Override public void execute() throws MojoExecutionException, MojoFailureException { verifyRemovedParameter( "aggregator" ); verifyRemovedParameter( "proxyHost" ); verifyRemovedParameter( "proxyPort" ); verifyReplacedParameter( "additionalparam", "additionalOptions" ); doExecute(); } abstract void doExecute() throws MojoExecutionException, MojoFailureException; protected final void verifyRemovedParameter( String paramName ) { Object pluginConfiguration = mojo.getConfiguration(); if ( pluginConfiguration instanceof Xpp3Dom ) { Xpp3Dom configDom = (Xpp3Dom) pluginConfiguration; if ( configDom.getChild( paramName ) != null ) { throw new IllegalArgumentException( "parameter '" + paramName + "' has been removed from the plugin, please verify documentation." ); } } } private void verifyReplacedParameter( String oldParamName, String newParamNew ) { Object pluginConfiguration = mojo.getConfiguration(); if ( pluginConfiguration instanceof Xpp3Dom ) { Xpp3Dom configDom = (Xpp3Dom) pluginConfiguration; if ( configDom.getChild( oldParamName ) != null ) { throw new IllegalArgumentException( "parameter '" + oldParamName + "' has been replaced with " + newParamNew + ", please verify documentation." ); } } } /** * The package documentation details the * Javadoc Options used by this Plugin. * * @param unusedLocale the wanted locale (actually unused). * @throws MavenReportException if any */ protected void executeReport( Locale unusedLocale ) throws MavenReportException { if ( skip ) { getLog().info( "Skipping javadoc generation" ); return; } if ( isAggregator() && !project.isExecutionRoot() ) { return; } if ( getLog().isDebugEnabled() ) { this.debug = true; } // NOTE: Always generate this file, to allow javadocs from modules to be aggregated via // useDependencySources in a distro module build. try { buildJavadocOptions(); } catch ( IOException e ) { throw new MavenReportException( "Failed to generate javadoc options file: " + e.getMessage(), e ); } Map> sourcePaths = getSourcePaths(); Collection collectedSourcePaths = collect( sourcePaths.values() ); List files = getFiles( collectedSourcePaths ); if ( !canGenerateReport( files ) ) { return; } List packageNames = getPackageNames( collectedSourcePaths, files ); List filesWithUnnamedPackages = getFilesWithUnnamedPackages( collectedSourcePaths, files ); // ---------------------------------------------------------------------- // Find the javadoc executable and version // ---------------------------------------------------------------------- String jExecutable; try { jExecutable = getJavadocExecutable(); } catch ( IOException e ) { throw new MavenReportException( "Unable to find javadoc command: " + e.getMessage(), e ); } setFJavadocVersion( new File( jExecutable ) ); // ---------------------------------------------------------------------- // Javadoc output directory as File // ---------------------------------------------------------------------- File javadocOutputDirectory = new File( getOutputDirectory() ); if ( javadocOutputDirectory.exists() && !javadocOutputDirectory.isDirectory() ) { throw new MavenReportException( "IOException: " + getOutputDirectory() + " is not a directory." ); } if ( javadocOutputDirectory.exists() && !javadocOutputDirectory.canWrite() ) { throw new MavenReportException( "IOException: " + getOutputDirectory() + " is not writable." ); } javadocOutputDirectory.mkdirs(); // ---------------------------------------------------------------------- // Copy all resources // ---------------------------------------------------------------------- copyAllResources( javadocOutputDirectory ); // ---------------------------------------------------------------------- // Create command line for Javadoc // ---------------------------------------------------------------------- Commandline cmd = new Commandline(); cmd.getShell().setQuotedArgumentsEnabled( false ); // for Javadoc JVM args cmd.setWorkingDirectory( javadocOutputDirectory.getAbsolutePath() ); cmd.setExecutable( jExecutable ); // ---------------------------------------------------------------------- // Wrap Javadoc JVM args // ---------------------------------------------------------------------- addMemoryArg( cmd, "-Xmx", this.maxmemory ); addMemoryArg( cmd, "-Xms", this.minmemory ); addProxyArg( cmd ); if ( StringUtils.isNotEmpty( additionalJOption ) ) { cmd.createArg().setValue( additionalJOption ); } if ( additionalJOptions != null && additionalJOptions.length != 0 ) { for ( String jo : additionalJOptions ) { cmd.createArg().setValue( jo ); } } List arguments = new ArrayList<>(); // ---------------------------------------------------------------------- // Wrap Javadoc options // ---------------------------------------------------------------------- addJavadocOptions( javadocOutputDirectory, arguments, sourcePaths ); // ---------------------------------------------------------------------- // Wrap Standard doclet Options // ---------------------------------------------------------------------- if ( StringUtils.isEmpty( doclet ) || useStandardDocletOptions ) { addStandardDocletOptions( javadocOutputDirectory, arguments ); } // ---------------------------------------------------------------------- // Write options file and include it in the command line // ---------------------------------------------------------------------- if ( arguments.size() > 0 ) { addCommandLineOptions( cmd, arguments, javadocOutputDirectory ); } // ---------------------------------------------------------------------- // Write packages file and include it in the command line // ---------------------------------------------------------------------- // MJAVADOC-365 if includes/excludes are specified, these take precedence over the default // package-based mode and force javadoc into file-based mode unless subpackages are // specified. Subpackages take precedence over file-based include/excludes. Why? Because // getFiles(...) returns an empty list when subpackages are specified. boolean includesExcludesActive = ( sourceFileIncludes != null && !sourceFileIncludes.isEmpty() ) || ( sourceFileExcludes != null && !sourceFileExcludes.isEmpty() ); if ( includesExcludesActive && !StringUtils.isEmpty( subpackages ) ) { getLog().warn( "sourceFileIncludes and sourceFileExcludes have no effect when subpackages are specified!" ); includesExcludesActive = false; } if ( !packageNames.isEmpty() && !includesExcludesActive ) { addCommandLinePackages( cmd, javadocOutputDirectory, packageNames ); // ---------------------------------------------------------------------- // Write argfile file and include it in the command line // ---------------------------------------------------------------------- if ( !filesWithUnnamedPackages.isEmpty() ) { addCommandLineArgFile( cmd, javadocOutputDirectory, filesWithUnnamedPackages ); } } else { // ---------------------------------------------------------------------- // Write argfile file and include it in the command line // ---------------------------------------------------------------------- if ( !files.isEmpty() ) { addCommandLineArgFile( cmd, javadocOutputDirectory, files ); } } // ---------------------------------------------------------------------- // Execute command line // ---------------------------------------------------------------------- executeJavadocCommandLine( cmd, javadocOutputDirectory ); // delete generated javadoc files only if no error and no debug mode // [MJAVADOC-336] Use File.delete() instead of File.deleteOnExit() to // prevent these files from making their way into archives. if ( !debug ) { for ( int i = 0; i < cmd.getArguments().length; i++ ) { String arg = cmd.getArguments()[i].trim(); if ( !arg.startsWith( "@" ) ) { continue; } File argFile = new File( javadocOutputDirectory, arg.substring( 1 ) ); if ( argFile.exists() ) { argFile.delete(); } } File scriptFile = new File( javadocOutputDirectory, DEBUG_JAVADOC_SCRIPT_NAME ); if ( scriptFile.exists() ) { scriptFile.delete(); } } if ( applyJavadocSecurityFix ) { // finally, patch the Javadoc vulnerability in older Javadoc tools (CVE-2013-1571): try { final int patched = fixFrameInjectionBug( javadocOutputDirectory, getDocencoding() ); if ( patched > 0 ) { getLog().info( String.format( "Fixed Javadoc frame injection vulnerability (CVE-2013-1571) in %d files.", patched ) ); } } catch ( IOException e ) { throw new MavenReportException( "Failed to patch javadocs vulnerability: " + e.getMessage(), e ); } } else { getLog().info( "applying javadoc security fix has been disabled" ); } } protected final Collection collect( Collection> sourcePaths ) { Collection collectedSourcePaths = new LinkedHashSet<>(); for ( Collection sp : sourcePaths ) { collectedSourcePaths.addAll( sp ); } return collectedSourcePaths; } /** * Method to get the files on the specified source paths * * @param sourcePaths a Collection that contains the paths to the source files * @return a List that contains the specific path for every source file * @throws MavenReportException {@link MavenReportException} */ protected List getFiles( Collection sourcePaths ) throws MavenReportException { List files = new ArrayList<>(); if ( StringUtils.isEmpty( subpackages ) ) { String[] excludedPackages = getExcludedPackages(); for ( String sourcePath : sourcePaths ) { File sourceDirectory = new File( sourcePath ); JavadocUtil.addFilesFromSource( files, sourceDirectory, sourceFileIncludes, sourceFileExcludes, excludedPackages ); } } return files; } /** * Method to get the source paths. If no source path is specified in the parameter, the compile source roots * of the project will be used. * * @return a Collection of the project absolute source paths as String * @throws MavenReportException {@link MavenReportException} * @see JavadocUtil#pruneDirs(MavenProject, Collection) */ protected Map> getSourcePaths() throws MavenReportException { Map> mappedSourcePaths = new LinkedHashMap<>(); if ( StringUtils.isEmpty( sourcepath ) ) { Set sourcePaths = new LinkedHashSet<>( JavadocUtil.pruneDirs( project, getProjectSourceRoots( project ) ) ); if ( project.getExecutionProject() != null ) { sourcePaths.addAll( JavadocUtil.pruneDirs( project, getExecutionProjectSourceRoots( project ) ) ); } /* * Should be after the source path (i.e. -sourcepath '.../src/main/java;.../src/main/javadoc') and * *not* the opposite. If not, the javadoc tool always copies doc files, even if -docfilessubdirs is * not setted. */ if ( getJavadocDirectory() != null ) { File javadocDir = getJavadocDirectory(); if ( javadocDir.exists() && javadocDir.isDirectory() ) { Collection l = JavadocUtil.pruneDirs( project, Collections.singletonList( getJavadocDirectory().getAbsolutePath() ) ); sourcePaths.addAll( l ); } } mappedSourcePaths.put( ArtifactUtils.versionlessKey( project.getGroupId(), project.getArtifactId() ), sourcePaths ); if ( includeDependencySources ) { mappedSourcePaths.putAll( getDependencySourcePaths() ); } if ( isAggregator() && project.isExecutionRoot() ) { for ( MavenProject subProject : reactorProjects ) { if ( subProject != project ) { Collection additionalSourcePaths = new ArrayList<>(); List sourceRoots = getProjectSourceRoots( subProject ); if ( subProject.getExecutionProject() != null ) { sourceRoots.addAll( getExecutionProjectSourceRoots( subProject ) ); } ArtifactHandler artifactHandler = subProject.getArtifact().getArtifactHandler(); if ( "java".equals( artifactHandler.getLanguage() ) ) { additionalSourcePaths.addAll( JavadocUtil.pruneDirs( subProject, sourceRoots ) ); } if ( getJavadocDirectory() != null ) { String javadocDirRelative = PathUtils.toRelative( project.getBasedir(), getJavadocDirectory().getAbsolutePath() ); File javadocDir = new File( subProject.getBasedir(), javadocDirRelative ); if ( javadocDir.exists() && javadocDir.isDirectory() ) { Collection l = JavadocUtil.pruneDirs( subProject, Collections.singletonList( javadocDir.getAbsolutePath() ) ); additionalSourcePaths.addAll( l ); } } mappedSourcePaths.put( ArtifactUtils.versionlessKey( subProject.getGroupId(), subProject.getArtifactId() ), additionalSourcePaths ); } } } } else { Collection sourcePaths = new ArrayList<>( Arrays.asList( JavadocUtil.splitPath( sourcepath ) ) ); sourcePaths = JavadocUtil.pruneDirs( project, sourcePaths ); if ( getJavadocDirectory() != null ) { Collection l = JavadocUtil.pruneDirs( project, Collections.singletonList( getJavadocDirectory().getAbsolutePath() ) ); sourcePaths.addAll( l ); } mappedSourcePaths.put( ArtifactUtils.versionlessKey( project.getGroupId(), project.getArtifactId() ), sourcePaths ); } return mappedSourcePaths; } /** * Override this method to customize the configuration for resolving dependency sources. The default * behavior enables the resolution of -sources jar files. * @param config {@link SourceResolverConfig} * @return {@link SourceResolverConfig} */ protected SourceResolverConfig configureDependencySourceResolution( final SourceResolverConfig config ) { return config.withCompileSources(); } /** * Resolve dependency sources so they can be included directly in the javadoc process. To customize this, * override {@link AbstractJavadocMojo#configureDependencySourceResolution(SourceResolverConfig)}. * @return List of source paths. * @throws MavenReportException {@link MavenReportException} */ protected final Map> getDependencySourcePaths() throws MavenReportException { try { if ( sourceDependencyCacheDir.exists() ) { FileUtils.forceDelete( sourceDependencyCacheDir ); sourceDependencyCacheDir.mkdirs(); } } catch ( IOException e ) { throw new MavenReportException( "Failed to delete cache directory: " + sourceDependencyCacheDir + "\nReason: " + e.getMessage(), e ); } final SourceResolverConfig config = getDependencySourceResolverConfig(); final List andFilters = new ArrayList<>(); final List dependencyIncludes = dependencySourceIncludes; final List dependencyExcludes = dependencySourceExcludes; if ( !includeTransitiveDependencySources || isNotEmpty( dependencyIncludes ) || isNotEmpty( dependencyExcludes ) ) { if ( !includeTransitiveDependencySources ) { andFilters.add( createDependencyArtifactFilter() ); } if ( isNotEmpty( dependencyIncludes ) ) { andFilters.add( new PatternInclusionsFilter( dependencyIncludes ) ); } if ( isNotEmpty( dependencyExcludes ) ) { andFilters.add( new PatternExclusionsFilter( dependencyExcludes ) ); } config.withFilter( new AndFilter( andFilters ) ); } try { return resourceResolver.resolveDependencySourcePaths( config ); } catch ( final ArtifactResolutionException e ) { throw new MavenReportException( "Failed to resolve one or more javadoc source/resource artifacts:\n\n" + e.getMessage(), e ); } catch ( final ArtifactNotFoundException e ) { throw new MavenReportException( "Failed to resolve one or more javadoc source/resource artifacts:\n\n" + e.getMessage(), e ); } } /** * Returns a ArtifactFilter that only includes direct dependencies of this project * (verified via groupId and artifactId). * * @return */ private TransformableFilter createDependencyArtifactFilter() { Set dependencyArtifacts = project.getDependencyArtifacts(); List artifactPatterns = new ArrayList<>( dependencyArtifacts.size() ); for ( Artifact artifact : dependencyArtifacts ) { artifactPatterns.add( artifact.getGroupId() + ":" + artifact.getArtifactId() ); } return new PatternInclusionsFilter( artifactPatterns ); } /** * Construct a SourceResolverConfig for resolving dependency sources and resources in a consistent * way, so it can be reused for both source and resource resolution. * * @since 2.7 */ private SourceResolverConfig getDependencySourceResolverConfig() { return configureDependencySourceResolution( new SourceResolverConfig( project, session.getProjectBuildingRequest(), sourceDependencyCacheDir ).withReactorProjects( reactorProjects ) ); } /** * Method that indicates whether the javadoc can be generated or not. If the project does not contain any source * files and no subpackages are specified, the plugin will terminate. * * @param files the project files * @return a boolean that indicates whether javadoc report can be generated or not */ protected boolean canGenerateReport( List files ) { boolean canGenerate = true; if ( files.isEmpty() && StringUtils.isEmpty( subpackages ) ) { canGenerate = false; } return canGenerate; } // ---------------------------------------------------------------------- // private methods // ---------------------------------------------------------------------- /** * Method to get the excluded source files from the javadoc and create the argument string * that will be included in the javadoc commandline execution. * * @param sourcePaths the collection of paths to the source files * @return a String that contains the exclude argument that will be used by javadoc * @throws MavenReportException */ private String getExcludedPackages( Collection sourcePaths ) throws MavenReportException { List excludedNames = null; if ( StringUtils.isNotEmpty( sourcepath ) && StringUtils.isNotEmpty( subpackages ) ) { String[] excludedPackages = getExcludedPackages(); String[] subpackagesList = subpackages.split( "[:]" ); excludedNames = JavadocUtil.getExcludedNames( sourcePaths, subpackagesList, excludedPackages ); } String excludeArg = ""; if ( StringUtils.isNotEmpty( subpackages ) && excludedNames != null ) { // add the excludedpackage names excludeArg = StringUtils.join( excludedNames.iterator(), ":" ); } return excludeArg; } /** * Method to format the specified source paths that will be accepted by the javadoc tool. * * @param sourcePaths the list of paths to the source files that will be included in the javadoc. * @return a String that contains the formatted source path argument, separated by the System pathSeparator * string (colon (:) on Solaris or semi-colon (;) on Windows). * @see File#pathSeparator */ private String getSourcePath( Collection sourcePaths ) { String sourcePath = null; if ( StringUtils.isEmpty( subpackages ) || StringUtils.isNotEmpty( sourcepath ) ) { sourcePath = StringUtils.join( sourcePaths.iterator(), File.pathSeparator ); } return sourcePath; } /** * Method to get the packages specified in the excludePackageNames parameter. The packages are split * with ',', ':', or ';' and then formatted. * * @return an array of String objects that contain the package names * @throws MavenReportException */ private String[] getExcludedPackages() throws MavenReportException { Set excluded = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getExcludePackageNames() ) ) { excluded.addAll( options.getExcludePackageNames() ); } } } } // for the specified excludePackageNames if ( StringUtils.isNotEmpty( excludePackageNames ) ) { List packageNames = Arrays.asList( excludePackageNames.split( "[,:;]" ) ); excluded.addAll( trimValues( packageNames ) ); } String[] result = new String[excluded.size()]; if ( isNotEmpty( excluded ) ) { int idx = 0; for ( String exclude : excluded ) { result[idx] = exclude.replace( '.', File.separatorChar ); idx++; } } return result; } private static List trimValues( List items ) { List result = new ArrayList<>( items.size() ); for ( String item : items ) { String trimmed = item.trim(); if ( StringUtils.isEmpty( trimmed ) ) { continue; } result.add( trimmed ); } return result; } /** * Method that gets the classpath and modulepath elements that will be specified in the javadoc * -classpath and --module-path parameter. * Since we have all the sources of the current reactor, it is sufficient to consider the * dependencies of the reactor modules, excluding the module artifacts which may not yet be available * when the reactor project is built for the first time. * * @return all classpath elements * @throws MavenReportException if any. */ private List getPathElements() throws MavenReportException { List classpathElements = new ArrayList<>(); Map compileArtifactMap = new HashMap<>(); if ( isTest() ) { classpathElements.addAll( getProjectBuildOutputDirs( project ) ); } populateCompileArtifactMap( compileArtifactMap, project.getArtifacts() ); if ( isAggregator() && project.isExecutionRoot() ) { List reactorArtifacts = new ArrayList<>(); for ( MavenProject p : reactorProjects ) { reactorArtifacts.add( p.getGroupId() + ':' + p.getArtifactId() ); } TransformableFilter dependencyFilter = new AndFilter( Arrays.asList( new PatternExclusionsFilter( reactorArtifacts ), getDependencyScopeFilter() ) ); for ( MavenProject subProject : reactorProjects ) { if ( subProject != project ) { classpathElements.addAll( getProjectBuildOutputDirs( subProject ) ); try { StringBuilder sb = new StringBuilder(); sb.append( "Compiled artifacts for " ); sb.append( subProject.getGroupId() ).append( ":" ); sb.append( subProject.getArtifactId() ).append( ":" ); sb.append( subProject.getVersion() ).append( '\n' ); ProjectBuildingRequest buildingRequest = session.getProjectBuildingRequest(); buildingRequest = buildingRequest.setRemoteRepositories( subProject.getRemoteArtifactRepositories() ); for ( ArtifactResult artifactResult : dependencyResolver.resolveDependencies( buildingRequest, subProject.getDependencies(), null, dependencyFilter ) ) { populateCompileArtifactMap( compileArtifactMap, Collections.singletonList( artifactResult.getArtifact() ) ); sb.append( artifactResult.getArtifact().getFile() ).append( '\n' ); } if ( getLog().isDebugEnabled() ) { getLog().debug( sb.toString() ); } } catch ( DependencyResolverException e ) { throw new MavenReportException( e.getMessage(), e ); } } } } for ( Artifact a : compileArtifactMap.values() ) { classpathElements.add( a.getFile() ); } if ( additionalDependencies != null ) { for ( Dependency dependency : additionalDependencies ) { Artifact artifact = resolveDependency( dependency ); getLog().debug( "add additional artifact with path " + artifact.getFile() ); classpathElements.add( artifact.getFile() ); } } return classpathElements; } protected ScopeFilter getDependencyScopeFilter() { return ScopeFilter.including( Artifact.SCOPE_COMPILE, Artifact.SCOPE_PROVIDED, Artifact.SCOPE_SYSTEM ); } /** * @param dependency {@link Dependency} * @return {@link Artifact} * @throws MavenReportException when artifact could not be resolved */ public Artifact resolveDependency( Dependency dependency ) throws MavenReportException { DefaultArtifactCoordinate coordinate = new DefaultArtifactCoordinate(); coordinate.setGroupId( dependency.getGroupId() ); coordinate.setArtifactId( dependency.getArtifactId() ); coordinate.setVersion( dependency.getVersion() ); coordinate.setClassifier( dependency.getClassifier() ); coordinate.setExtension( artifactHandlerManager.getArtifactHandler( dependency.getType() ).getExtension() ); try { return artifactResolver.resolveArtifact( session.getProjectBuildingRequest(), coordinate ).getArtifact(); } catch ( ArtifactResolverException e ) { throw new MavenReportException( "artifact resolver problem - " + e.getMessage(), e ); } } //TODO remove the part with ToolchainManager lookup once we depend on //3.0.9 (have it as prerequisite). Define as regular component field then. protected final Toolchain getToolchain() { Toolchain tc = null; if ( jdkToolchain != null ) { // Maven 3.3.1 has plugin execution scoped Toolchain Support try { Method getToolchainsMethod = toolchainManager.getClass().getMethod( "getToolchains", MavenSession.class, String.class, Map.class ); @SuppressWarnings( "unchecked" ) List tcs = (List) getToolchainsMethod.invoke( toolchainManager, session, "jdk", jdkToolchain ); if ( tcs != null && tcs.size() > 0 ) { tc = tcs.get( 0 ); } } catch ( NoSuchMethodException e ) { // ignore } catch ( SecurityException e ) { // ignore } catch ( IllegalAccessException e ) { // ignore } catch ( IllegalArgumentException e ) { // ignore } catch ( InvocationTargetException e ) { // ignore } } if ( tc == null ) { tc = toolchainManager.getToolchainFromBuildContext( "jdk", session ); } return tc; } /** * Method to put the artifacts in the hashmap. * * @param compileArtifactMap the hashmap that will contain the artifacts * @param artifactList the list of artifacts that will be put in the map * @throws MavenReportException if any */ private void populateCompileArtifactMap( Map compileArtifactMap, Collection artifactList ) throws MavenReportException { if ( artifactList == null ) { return; } for ( Artifact newArtifact : artifactList ) { File file = newArtifact.getFile(); if ( file == null ) { throw new MavenReportException( "Error in plugin descriptor - " + "dependency was not resolved for artifact: " + newArtifact.getGroupId() + ":" + newArtifact.getArtifactId() + ":" + newArtifact.getVersion() ); } if ( compileArtifactMap.get( newArtifact.getDependencyConflictId() ) != null ) { Artifact oldArtifact = compileArtifactMap.get( newArtifact.getDependencyConflictId() ); ArtifactVersion oldVersion = new DefaultArtifactVersion( oldArtifact.getVersion() ); ArtifactVersion newVersion = new DefaultArtifactVersion( newArtifact.getVersion() ); if ( newVersion.compareTo( oldVersion ) > 0 ) { compileArtifactMap.put( newArtifact.getDependencyConflictId(), newArtifact ); } } else { compileArtifactMap.put( newArtifact.getDependencyConflictId(), newArtifact ); } } } /** * Method that sets the bottom text that will be displayed on the bottom of the * javadocs. * * @return a String that contains the text that will be displayed at the bottom of the javadoc */ private String getBottomText() { int currentYear = Calendar.getInstance().get( Calendar.YEAR ); String year = String.valueOf( currentYear ); String inceptionYear = project.getInceptionYear(); String theBottom = StringUtils.replace( this.bottom, "{currentYear}", year ); if ( inceptionYear != null ) { if ( inceptionYear.equals( year ) ) { theBottom = StringUtils.replace( theBottom, "{inceptionYear}–", "" ); } else { theBottom = StringUtils.replace( theBottom, "{inceptionYear}", inceptionYear ); } } else { theBottom = StringUtils.replace( theBottom, "{inceptionYear}–", "" ); } if ( project.getOrganization() == null ) { theBottom = StringUtils.replace( theBottom, " {organizationName}", "" ); } else { if ( StringUtils.isNotEmpty( project.getOrganization().getName() ) ) { if ( StringUtils.isNotEmpty( project.getOrganization().getUrl() ) ) { theBottom = StringUtils.replace( theBottom, "{organizationName}", "" + project.getOrganization().getName() + "" ); } else { theBottom = StringUtils.replace( theBottom, "{organizationName}", project.getOrganization().getName() ); } } else { theBottom = StringUtils.replace( theBottom, " {organizationName}", "" ); } } return theBottom; } /** * Method to get the stylesheet path file to be used by the Javadoc Tool. *
* If the {@link #stylesheetfile} is empty, return the file as String definded by {@link #stylesheet} value. *
* If the {@link #stylesheetfile} is defined, return the file as String. *
* Note: since 2.6, the {@link #stylesheetfile} could be a path from a resource in the project source * directories (i.e. src/main/java, src/main/resources or src/main/javadoc) * or from a resource in the Javadoc plugin dependencies. * * @param javadocOutputDirectory the output directory * @return the stylesheet file absolute path as String. * @see #getResource(List, String) */ private String getStylesheetFile( final File javadocOutputDirectory ) { if ( StringUtils.isEmpty( stylesheetfile ) ) { if ( "java".equalsIgnoreCase( stylesheet ) ) { // use the default Javadoc tool stylesheet return null; } // maven, see #copyDefaultStylesheet(File) return new File( javadocOutputDirectory, DEFAULT_CSS_NAME ).getAbsolutePath(); } if ( new File( stylesheetfile ).exists() ) { return new File( stylesheetfile ).getAbsolutePath(); } return getResource( new File( javadocOutputDirectory, DEFAULT_CSS_NAME ), stylesheetfile ); } /** * Method to get the help file to be used by the Javadoc Tool. *
* Since 2.6, the {@link #helpfile} could be a path from a resource in the project source * directories (i.e. src/main/java, src/main/resources or src/main/javadoc) * or from a resource in the Javadoc plugin dependencies. * * @param javadocOutputDirectory the output directory. * @return the help file absolute path as String. * @see #getResource(File, String) * @since 2.6 */ private String getHelpFile( final File javadocOutputDirectory ) { if ( StringUtils.isEmpty( helpfile ) ) { return null; } if ( new File( helpfile ).exists() ) { return new File( helpfile ).getAbsolutePath(); } return getResource( new File( javadocOutputDirectory, "help-doc.html" ), helpfile ); } /** * Method to get the access level for the classes and members to be shown in the generated javadoc. * If the specified access level is not public, protected, package or private, the access level * is set to protected. * * @return the access level */ private String getAccessLevel() { String accessLevel; if ( "public".equalsIgnoreCase( show ) || "protected".equalsIgnoreCase( show ) || "package".equalsIgnoreCase( show ) || "private".equalsIgnoreCase( show ) ) { accessLevel = "-" + show; } else { if ( getLog().isErrorEnabled() ) { getLog().error( "Unrecognized access level to show '" + show + "'. Defaulting to protected." ); } accessLevel = "-protected"; } return accessLevel; } /** * Method to get the path of the bootclass artifacts used in the -bootclasspath option. * * @return a string that contains bootclass path, separated by the System pathSeparator string * (colon (:) on Solaris or semi-colon (;) on Windows). * @throws MavenReportException if any * @see File#pathSeparator */ private String getBootclassPath() throws MavenReportException { Set bootclasspathArtifacts = collectBootClasspathArtifacts(); List bootclassPath = new ArrayList<>(); for ( BootclasspathArtifact aBootclasspathArtifact : bootclasspathArtifacts ) { if ( ( StringUtils.isNotEmpty( aBootclasspathArtifact.getGroupId() ) ) && ( StringUtils.isNotEmpty( aBootclasspathArtifact.getArtifactId() ) ) && ( StringUtils.isNotEmpty( aBootclasspathArtifact.getVersion() ) ) ) { bootclassPath.addAll( getArtifactsAbsolutePath( aBootclasspathArtifact ) ); } } bootclassPath = JavadocUtil.pruneFiles( bootclassPath ); StringBuilder path = new StringBuilder(); path.append( StringUtils.join( bootclassPath.iterator(), File.pathSeparator ) ); if ( StringUtils.isNotEmpty( bootclasspath ) ) { path.append( JavadocUtil.unifyPathSeparator( bootclasspath ) ); } return path.toString(); } /** * Method to get the path of the doclet artifacts used in the -docletpath option. *

* Either docletArtifact or doclectArtifacts can be defined and used, not both, docletArtifact * takes precedence over doclectArtifacts. docletPath is always appended to any result path * definition. * * @return a string that contains doclet path, separated by the System pathSeparator string * (colon (:) on Solaris or semi-colon (;) on Windows). * @throws MavenReportException if any * @see File#pathSeparator */ private String getDocletPath() throws MavenReportException { Set docletArtifacts = collectDocletArtifacts(); List pathParts = new ArrayList<>(); for ( DocletArtifact docletArtifact : docletArtifacts ) { if ( !isDocletArtifactEmpty( docletArtifact ) ) { pathParts.addAll( getArtifactsAbsolutePath( docletArtifact ) ); } } if ( !StringUtils.isEmpty( docletPath ) ) { pathParts.add( JavadocUtil.unifyPathSeparator( docletPath ) ); } String path = StringUtils.join( pathParts.iterator(), File.pathSeparator ); if ( StringUtils.isEmpty( path ) && getLog().isWarnEnabled() ) { getLog().warn( "No docletpath option was found. Please review or " + " or ." ); } return path; } /** * Verify if a doclet artifact is empty or not * * @param aDocletArtifact could be null * @return true if aDocletArtifact or the groupId/artifactId/version of the doclet artifact is null, * false otherwise. */ private boolean isDocletArtifactEmpty( DocletArtifact aDocletArtifact ) { if ( aDocletArtifact == null ) { return true; } return StringUtils.isEmpty( aDocletArtifact.getGroupId() ) && StringUtils.isEmpty( aDocletArtifact.getArtifactId() ) && StringUtils.isEmpty( aDocletArtifact.getVersion() ); } /** * Method to get the path of the taglet artifacts used in the -tagletpath option. * * @return a string that contains taglet path, separated by the System pathSeparator string * (colon (:) on Solaris or semi-colon (;) on Windows). * @throws MavenReportException if any * @see File#pathSeparator */ private String getTagletPath() throws MavenReportException { Set tArtifacts = collectTagletArtifacts(); Collection pathParts = new ArrayList<>(); for ( TagletArtifact tagletArtifact : tArtifacts ) { if ( ( tagletArtifact != null ) && ( StringUtils.isNotEmpty( tagletArtifact.getGroupId() ) ) && ( StringUtils.isNotEmpty( tagletArtifact.getArtifactId() ) ) && ( StringUtils.isNotEmpty( tagletArtifact.getVersion() ) ) ) { pathParts.addAll( getArtifactsAbsolutePath( tagletArtifact ) ); } } Set taglets = collectTaglets(); for ( Taglet taglet : taglets ) { if ( taglet == null ) { continue; } if ( ( taglet.getTagletArtifact() != null ) && ( StringUtils.isNotEmpty( taglet.getTagletArtifact().getGroupId() ) ) && ( StringUtils.isNotEmpty( taglet.getTagletArtifact().getArtifactId() ) ) && ( StringUtils.isNotEmpty( taglet.getTagletArtifact().getVersion() ) ) ) { pathParts.addAll( getArtifactsAbsolutePath( taglet.getTagletArtifact() ) ); pathParts = JavadocUtil.pruneFiles( pathParts ); } else if ( StringUtils.isNotEmpty( taglet.getTagletpath() ) ) { pathParts.add( taglet.getTagletpath() ); pathParts = JavadocUtil.pruneDirs( project, pathParts ); } } StringBuilder path = new StringBuilder(); path.append( StringUtils.join( pathParts.iterator(), File.pathSeparator ) ); if ( StringUtils.isNotEmpty( tagletpath ) ) { path.append( JavadocUtil.unifyPathSeparator( tagletpath ) ); } return path.toString(); } private Set collectLinks() throws MavenReportException { Set links = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getLinks() ) ) { links.addAll( options.getLinks() ); } } } } if ( isNotEmpty( this.links ) ) { links.addAll( this.links ); } links.addAll( getDependenciesLinks() ); return followLinks( links ); } private Set collectGroups() throws MavenReportException { Set groups = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getGroups() ) ) { groups.addAll( options.getGroups() ); } } } } if ( this.groups != null && this.groups.length > 0 ) { groups.addAll( Arrays.asList( this.groups ) ); } return groups; } private Set collectResourcesArtifacts() throws MavenReportException { Set result = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getResourcesArtifacts() ) ) { result.addAll( options.getResourcesArtifacts() ); } } } } if ( this.resourcesArtifacts != null && this.resourcesArtifacts.length > 0 ) { result.addAll( Arrays.asList( this.resourcesArtifacts ) ); } return result; } private Set collectBootClasspathArtifacts() throws MavenReportException { Set result = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getBootclasspathArtifacts() ) ) { result.addAll( options.getBootclasspathArtifacts() ); } } } } if ( this.bootclasspathArtifacts != null && this.bootclasspathArtifacts.length > 0 ) { result.addAll( Arrays.asList( this.bootclasspathArtifacts ) ); } return result; } private Set collectOfflineLinks() throws MavenReportException { Set result = new LinkedHashSet<>(); OfflineLink javaApiLink = getDefaultJavadocApiLink(); if ( javaApiLink != null ) { result.add( javaApiLink ); } if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getOfflineLinks() ) ) { result.addAll( options.getOfflineLinks() ); } } } } if ( this.offlineLinks != null && this.offlineLinks.length > 0 ) { result.addAll( Arrays.asList( this.offlineLinks ) ); } return result; } private Set collectTags() throws MavenReportException { Set tags = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getTags() ) ) { tags.addAll( options.getTags() ); } } } } if ( this.tags != null && this.tags.length > 0 ) { tags.addAll( Arrays.asList( this.tags ) ); } return tags; } private Set collectTagletArtifacts() throws MavenReportException { Set tArtifacts = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getTagletArtifacts() ) ) { tArtifacts.addAll( options.getTagletArtifacts() ); } } } } if ( tagletArtifact != null ) { tArtifacts.add( tagletArtifact ); } if ( tagletArtifacts != null && tagletArtifacts.length > 0 ) { tArtifacts.addAll( Arrays.asList( tagletArtifacts ) ); } return tArtifacts; } private Set collectDocletArtifacts() throws MavenReportException { Set dArtifacts = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getDocletArtifacts() ) ) { dArtifacts.addAll( options.getDocletArtifacts() ); } } } } if ( docletArtifact != null ) { dArtifacts.add( docletArtifact ); } if ( docletArtifacts != null && docletArtifacts.length > 0 ) { dArtifacts.addAll( Arrays.asList( docletArtifacts ) ); } return dArtifacts; } private Set collectTaglets() throws MavenReportException { Set result = new LinkedHashSet<>(); if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getTaglets() ) ) { result.addAll( options.getTaglets() ); } } } } if ( taglets != null && taglets.length > 0 ) { result.addAll( Arrays.asList( taglets ) ); } return result; } /** * Return the Javadoc artifact path and its transitive dependencies path from the local repository * * @param javadocArtifact not null * @return a list of locale artifacts absolute path * @throws MavenReportException if any */ private List getArtifactsAbsolutePath( JavadocPathArtifact javadocArtifact ) throws MavenReportException { if ( ( StringUtils.isEmpty( javadocArtifact.getGroupId() ) ) && ( StringUtils.isEmpty( javadocArtifact.getArtifactId() ) ) && ( StringUtils.isEmpty( javadocArtifact.getVersion() ) ) ) { return Collections.emptyList(); } List path = new ArrayList<>(); try { Artifact artifact = createAndResolveArtifact( javadocArtifact ); path.add( artifact.getFile().getAbsolutePath() ); DefaultDependableCoordinate coordinate = new DefaultDependableCoordinate(); coordinate.setGroupId( javadocArtifact.getGroupId() ); coordinate.setArtifactId( javadocArtifact.getArtifactId() ); coordinate.setVersion( javadocArtifact.getVersion() ); Iterable deps = dependencyResolver.resolveDependencies( session.getProjectBuildingRequest(), coordinate, ScopeFilter.including( "compile", "provided" ) ); for ( ArtifactResult a : deps ) { path.add( a.getArtifact().getFile().getAbsolutePath() ); } return path; } catch ( ArtifactResolverException e ) { throw new MavenReportException( "Unable to resolve artifact:" + javadocArtifact, e ); } catch ( DependencyResolverException e ) { throw new MavenReportException( "Unable to resolve dependencies for:" + javadocArtifact, e ); } } /** * creates an {@link Artifact} representing the configured {@link JavadocPathArtifact} and resolves it. * * @param javadocArtifact the {@link JavadocPathArtifact} to resolve * @return a resolved {@link Artifact} * @throws ArtifactResolverException */ private Artifact createAndResolveArtifact( JavadocPathArtifact javadocArtifact ) throws ArtifactResolverException { DefaultArtifactCoordinate coordinate = new DefaultArtifactCoordinate(); coordinate.setGroupId( javadocArtifact.getGroupId() ); coordinate.setArtifactId( javadocArtifact.getArtifactId() ); coordinate.setVersion( javadocArtifact.getVersion() ); return artifactResolver.resolveArtifact( session.getProjectBuildingRequest(), coordinate ).getArtifact(); } /** * Method that adds/sets the java memory parameters in the command line execution. * * @param cmd the command line execution object where the argument will be added * @param arg the argument parameter name * @param memory the JVM memory value to be set * @see JavadocUtil#parseJavadocMemory(String) */ private void addMemoryArg( Commandline cmd, String arg, String memory ) { if ( StringUtils.isNotEmpty( memory ) ) { try { cmd.createArg().setValue( "-J" + arg + JavadocUtil.parseJavadocMemory( memory ) ); } catch ( IllegalArgumentException e ) { if ( getLog().isErrorEnabled() ) { getLog().error( "Malformed memory pattern for '" + arg + memory + "'. Ignore this option." ); } } } } /** * Method that adds/sets the javadoc proxy parameters in the command line execution. * * @param cmd the command line execution object where the argument will be added */ private void addProxyArg( Commandline cmd ) { if ( settings == null || settings.getActiveProxy() == null ) { return; } Proxy activeProxy = settings.getActiveProxy(); String protocol = StringUtils.isNotEmpty( activeProxy.getProtocol() ) ? activeProxy.getProtocol() + "." : ""; if ( StringUtils.isNotEmpty( activeProxy.getHost() ) ) { cmd.createArg().setValue( "-J-D" + protocol + "proxySet=true" ); cmd.createArg().setValue( "-J-D" + protocol + "proxyHost=" + activeProxy.getHost() ); if ( activeProxy.getPort() > 0 ) { cmd.createArg().setValue( "-J-D" + protocol + "proxyPort=" + activeProxy.getPort() ); } if ( StringUtils.isNotEmpty( activeProxy.getNonProxyHosts() ) ) { cmd.createArg().setValue( "-J-D" + protocol + "nonProxyHosts=\"" + activeProxy.getNonProxyHosts() + "\"" ); } if ( StringUtils.isNotEmpty( activeProxy.getUsername() ) ) { cmd.createArg().setValue( "-J-Dhttp.proxyUser=\"" + activeProxy.getUsername() + "\"" ); if ( StringUtils.isNotEmpty( activeProxy.getPassword() ) ) { cmd.createArg().setValue( "-J-Dhttp.proxyPassword=\"" + activeProxy.getPassword() + "\"" ); } } } } /** * Get the path of the Javadoc tool executable depending the user entry or try to find it depending the OS * or the java.home system property or the JAVA_HOME environment variable. * * @return the path of the Javadoc tool * @throws IOException if not found */ private String getJavadocExecutable() throws IOException { Toolchain tc = getToolchain(); if ( tc != null ) { getLog().info( "Toolchain in maven-javadoc-plugin: " + tc ); if ( javadocExecutable != null ) { getLog().warn( "Toolchains are ignored, 'javadocExecutable' parameter is set to " + javadocExecutable ); } else { javadocExecutable = tc.findTool( "javadoc" ); } } String javadocCommand = "javadoc" + ( SystemUtils.IS_OS_WINDOWS ? ".exe" : "" ); File javadocExe; // ---------------------------------------------------------------------- // The javadoc executable is defined by the user // ---------------------------------------------------------------------- if ( StringUtils.isNotEmpty( javadocExecutable ) ) { javadocExe = new File( javadocExecutable ); if ( javadocExe.isDirectory() ) { javadocExe = new File( javadocExe, javadocCommand ); } if ( SystemUtils.IS_OS_WINDOWS && javadocExe.getName().indexOf( '.' ) < 0 ) { javadocExe = new File( javadocExe.getPath() + ".exe" ); } if ( !javadocExe.isFile() ) { throw new IOException( "The javadoc executable '" + javadocExe + "' doesn't exist or is not a file. Verify the parameter." ); } return javadocExe.getAbsolutePath(); } // ---------------------------------------------------------------------- // Try to find javadocExe from System.getProperty( "java.home" ) // By default, System.getProperty( "java.home" ) = JRE_HOME and JRE_HOME // should be in the JDK_HOME // ---------------------------------------------------------------------- // For IBM's JDK 1.2 if ( SystemUtils.IS_OS_AIX ) { javadocExe = new File( SystemUtils.getJavaHome() + File.separator + ".." + File.separator + "sh", javadocCommand ); } // For Apple's JDK 1.6.x (and older?) on Mac OSX // CHECKSTYLE_OFF: MagicNumber else if ( SystemUtils.IS_OS_MAC_OSX && !JavaVersion.JAVA_SPECIFICATION_VERSION.isAtLeast( "1.7" ) ) // CHECKSTYLE_ON: MagicNumber { javadocExe = new File( SystemUtils.getJavaHome() + File.separator + "bin", javadocCommand ); } else { javadocExe = new File( SystemUtils.getJavaHome() + File.separator + ".." + File.separator + "bin", javadocCommand ); } // ---------------------------------------------------------------------- // Try to find javadocExe from JAVA_HOME environment variable // ---------------------------------------------------------------------- if ( !javadocExe.exists() || !javadocExe.isFile() ) { Properties env = CommandLineUtils.getSystemEnvVars(); String javaHome = env.getProperty( "JAVA_HOME" ); if ( StringUtils.isEmpty( javaHome ) ) { throw new IOException( "The environment variable JAVA_HOME is not correctly set." ); } if ( ( !new File( javaHome ).getCanonicalFile().exists() ) || ( new File( javaHome ).getCanonicalFile().isFile() ) ) { throw new IOException( "The environment variable JAVA_HOME=" + javaHome + " doesn't exist or is not a valid directory." ); } javadocExe = new File( javaHome + File.separator + "bin", javadocCommand ); } if ( !javadocExe.getCanonicalFile().exists() || !javadocExe.getCanonicalFile().isFile() ) { throw new IOException( "The javadoc executable '" + javadocExe + "' doesn't exist or is not a file. Verify the JAVA_HOME environment variable." ); } return javadocExe.getAbsolutePath(); } /** * Set a new value for javadocRuntimeVersion * * @param jExecutable not null * @throws MavenReportException if not found * @see JavadocUtil#getJavadocVersion(File) */ private void setFJavadocVersion( File jExecutable ) throws MavenReportException { JavaVersion jVersion; try { jVersion = JavadocUtil.getJavadocVersion( jExecutable ); } catch ( IOException e ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "Unable to find the javadoc version: " + e.getMessage() ); getLog().warn( "Using the Java version instead of, i.e. " + JAVA_VERSION ); } jVersion = JAVA_VERSION; } catch ( CommandLineException e ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "Unable to find the javadoc version: " + e.getMessage() ); getLog().warn( "Using the Java version instead of, i.e. " + JAVA_VERSION ); } jVersion = JAVA_VERSION; } catch ( IllegalArgumentException e ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "Unable to find the javadoc version: " + e.getMessage() ); getLog().warn( "Using the Java version instead of, i.e. " + JAVA_VERSION ); } jVersion = JAVA_VERSION; } if ( StringUtils.isNotEmpty( javadocVersion ) ) { try { javadocRuntimeVersion = JavaVersion.parse( javadocVersion ); } catch ( NumberFormatException e ) { throw new MavenReportException( "Unable to parse javadoc version: " + e.getMessage(), e ); } if ( javadocRuntimeVersion.compareTo( jVersion ) != 0 && getLog().isWarnEnabled() ) { getLog().warn( "Are you sure about the parameter? It seems to be " + jVersion ); } } else { javadocRuntimeVersion = jVersion; } } /** * Is the Javadoc version at least the requested version. * * @param requiredVersion the required version, for example 1.5f * @return true if the javadoc version is equal or greater than the * required version */ private boolean isJavaDocVersionAtLeast( JavaVersion requiredVersion ) { return JAVA_VERSION.compareTo( requiredVersion ) >= 0; } /** * Convenience method to add an argument to the command line * conditionally based on the given flag. * * @param arguments a list of arguments, not null * @param b the flag which controls if the argument is added or not. * @param value the argument value to be added. */ private void addArgIf( List arguments, boolean b, String value ) { if ( b ) { arguments.add( value ); } } /** * Convenience method to add an argument to the command line * regarding the requested Java version. * * @param arguments a list of arguments, not null * @param b the flag which controls if the argument is added or not. * @param value the argument value to be added. * @param requiredJavaVersion the required Java version, for example 1.31f or 1.4f * @see #addArgIf(java.util.List, boolean, String) * @see #isJavaDocVersionAtLeast(float) */ private void addArgIf( List arguments, boolean b, String value, JavaVersion requiredJavaVersion ) { if ( b ) { if ( isJavaDocVersionAtLeast( requiredJavaVersion ) ) { addArgIf( arguments, true, value ); } else { if ( getLog().isWarnEnabled() ) { getLog().warn( value + " option is not supported on Java version < " + requiredJavaVersion + ". Ignore this option." ); } } } } /** * Convenience method to add an argument to the command line * if the the value is not null or empty. *

* Moreover, the value could be comma separated. * * @param arguments a list of arguments, not null * @param key the argument name. * @param value the argument value to be added. * @see #addArgIfNotEmpty(java.util.List, String, String, boolean) */ private void addArgIfNotEmpty( List arguments, String key, String value ) { addArgIfNotEmpty( arguments, key, value, false ); } /** * Convenience method to add an argument to the command line * if the the value is not null or empty. *

* Moreover, the value could be comma separated. * * @param arguments a list of arguments, not null * @param key the argument name. * @param value the argument value to be added. * @param repeatKey repeat or not the key in the command line * @param splitValue if true given value will be tokenized by comma * @param requiredJavaVersion the required Java version, for example 1.31f or 1.4f * @see #addArgIfNotEmpty(List, String, String, boolean, boolean) * @see #isJavaDocVersionAtLeast(float) */ private void addArgIfNotEmpty( List arguments, String key, String value, boolean repeatKey, boolean splitValue, JavaVersion requiredJavaVersion ) { if ( StringUtils.isNotEmpty( value ) ) { if ( isJavaDocVersionAtLeast( requiredJavaVersion ) ) { addArgIfNotEmpty( arguments, key, value, repeatKey, splitValue ); } else { if ( getLog().isWarnEnabled() ) { getLog().warn( key + " option is not supported on Java version < " + requiredJavaVersion + ". Ignore this option." ); } } } } /** * Convenience method to add an argument to the command line * if the the value is not null or empty. *

* Moreover, the value could be comma separated. * * @param arguments a list of arguments, not null * @param key the argument name. * @param value the argument value to be added. * @param repeatKey repeat or not the key in the command line * @param splitValue if true given value will be tokenized by comma */ private void addArgIfNotEmpty( List arguments, String key, String value, boolean repeatKey, boolean splitValue ) { if ( StringUtils.isNotEmpty( value ) ) { if ( StringUtils.isNotEmpty( key ) ) { arguments.add( key ); } if ( splitValue ) { StringTokenizer token = new StringTokenizer( value, "," ); while ( token.hasMoreTokens() ) { String current = token.nextToken().trim(); if ( StringUtils.isNotEmpty( current ) ) { arguments.add( current ); if ( token.hasMoreTokens() && repeatKey ) { arguments.add( key ); } } } } else { arguments.add( value ); } } } /** * Convenience method to add an argument to the command line * if the the value is not null or empty. *

* Moreover, the value could be comma separated. * * @param arguments a list of arguments, not null * @param key the argument name. * @param value the argument value to be added. * @param repeatKey repeat or not the key in the command line */ private void addArgIfNotEmpty( List arguments, String key, String value, boolean repeatKey ) { addArgIfNotEmpty( arguments, key, value, repeatKey, true ); } /** * Convenience method to add an argument to the command line * regarding the requested Java version. * * @param arguments a list of arguments, not null * @param key the argument name. * @param value the argument value to be added. * @param requiredJavaVersion the required Java version, for example 1.31f or 1.4f * @see #addArgIfNotEmpty(java.util.List, String, String, float, boolean) */ private void addArgIfNotEmpty( List arguments, String key, String value, JavaVersion requiredJavaVersion ) { addArgIfNotEmpty( arguments, key, value, requiredJavaVersion, false ); } /** * Convenience method to add an argument to the command line * regarding the requested Java version. * * @param arguments a list of arguments, not null * @param key the argument name. * @param value the argument value to be added. * @param requiredJavaVersion the required Java version, for example 1.31f or 1.4f * @param repeatKey repeat or not the key in the command line * @see #addArgIfNotEmpty(java.util.List, String, String) * @see #isJavaDocVersionAtLeast(float) */ private void addArgIfNotEmpty( List arguments, String key, String value, JavaVersion requiredJavaVersion, boolean repeatKey ) { if ( StringUtils.isNotEmpty( value ) ) { if ( isJavaDocVersionAtLeast( requiredJavaVersion ) ) { addArgIfNotEmpty( arguments, key, value, repeatKey ); } else { if ( getLog().isWarnEnabled() ) { getLog().warn( key + " option is not supported on Java version < " + requiredJavaVersion ); } } } } /** * Convenience method to process {@link #offlineLinks} values as individual -linkoffline * javadoc options. *
* If {@link #detectOfflineLinks}, try to add javadoc apidocs according Maven conventions for all modules given * in the project. * * @param arguments a list of arguments, not null * @throws MavenReportException if any * @see #offlineLinks * @see #getModulesLinks() * @see package-list spec */ private void addLinkofflineArguments( List arguments ) throws MavenReportException { Set offlineLinksList = collectOfflineLinks(); offlineLinksList.addAll( getModulesLinks() ); for ( OfflineLink offlineLink : offlineLinksList ) { String url = offlineLink.getUrl(); if ( StringUtils.isEmpty( url ) ) { continue; } url = cleanUrl( url ); String location = offlineLink.getLocation(); if ( StringUtils.isEmpty( location ) ) { continue; } if ( isValidJavadocLink( location, false ) ) { addArgIfNotEmpty( arguments, "-linkoffline", JavadocUtil.quotedPathArgument( url ) + " " + JavadocUtil.quotedPathArgument( location ), true ); } } } /** * Convenience method to process {@link #links} values as individual -link javadoc options. * If {@link #detectLinks}, try to add javadoc apidocs according Maven conventions for all dependencies given * in the project. *
* According the Javadoc documentation, all defined link should have ${link}/package-list fetchable. *
* Note: when a link is not fetchable: *

    *
  • Javadoc 1.4 and less throw an exception
  • *
  • Javadoc 1.5 and more display a warning
  • *
* * @param arguments a list of arguments, not null * @throws MavenReportException * @see #detectLinks * @see #getDependenciesLinks() * @see package-list spec */ private void addLinkArguments( List arguments ) throws MavenReportException { Set links = collectLinks(); for ( String link : links ) { if ( StringUtils.isEmpty( link ) ) { continue; } while ( link.endsWith( "/" ) ) { link = link.substring( 0, link.lastIndexOf( "/" ) ); } addArgIfNotEmpty( arguments, "-link", JavadocUtil.quotedPathArgument( link ), true, false ); } } /** * Coppy all resources to the output directory * * @param javadocOutputDirectory not null * @throws MavenReportException if any * @see #copyDefaultStylesheet(File) * @see #copyJavadocResources(File) * @see #copyAdditionalJavadocResources(File) */ private void copyAllResources( File javadocOutputDirectory ) throws MavenReportException { // ---------------------------------------------------------------------- // Copy default resources // ---------------------------------------------------------------------- try { copyDefaultStylesheet( javadocOutputDirectory ); } catch ( IOException e ) { throw new MavenReportException( "Unable to copy default stylesheet: " + e.getMessage(), e ); } // ---------------------------------------------------------------------- // Copy javadoc resources // ---------------------------------------------------------------------- if ( docfilessubdirs ) { /* * Workaround since -docfilessubdirs doesn't seem to be used correctly by the javadoc tool * (see other note about -sourcepath). Take care of the -excludedocfilessubdir option. */ try { copyJavadocResources( javadocOutputDirectory ); } catch ( IOException e ) { throw new MavenReportException( "Unable to copy javadoc resources: " + e.getMessage(), e ); } } // ---------------------------------------------------------------------- // Copy additional javadoc resources in artifacts // ---------------------------------------------------------------------- copyAdditionalJavadocResources( javadocOutputDirectory ); } /** * Copies the {@link #DEFAULT_CSS_NAME} css file from the current class * loader to the outputDirectory only if {@link #stylesheetfile} is empty and * {@link #stylesheet} is equals to maven. * * @param anOutputDirectory the output directory * @throws java.io.IOException if any * @see #DEFAULT_CSS_NAME * @see JavadocUtil#copyResource(java.net.URL, java.io.File) */ private void copyDefaultStylesheet( File anOutputDirectory ) throws IOException { if ( StringUtils.isNotEmpty( stylesheetfile ) ) { return; } if ( !stylesheet.equalsIgnoreCase( "maven" ) ) { return; } URL url = getClass().getClassLoader().getResource( RESOURCE_CSS_DIR + "/" + DEFAULT_CSS_NAME ); File outFile = new File( anOutputDirectory, DEFAULT_CSS_NAME ); JavadocUtil.copyResource( url, outFile ); } /** * Method that copy all doc-files directories from javadocDirectory of * the current project or of the projects in the reactor to the outputDirectory. * * @param anOutputDirectory the output directory * @throws java.io.IOException if any * @see Reference * Guide, Copies new "doc-files" directory for holding images and examples * @see #docfilessubdirs */ private void copyJavadocResources( File anOutputDirectory ) throws IOException { if ( anOutputDirectory == null || !anOutputDirectory.exists() ) { throw new IOException( "The outputDirectory " + anOutputDirectory + " doesn't exists." ); } if ( includeDependencySources ) { resolveDependencyBundles(); if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { File dir = bundle.getResourcesDirectory(); JavadocOptions options = bundle.getOptions(); if ( dir != null && dir.isDirectory() ) { JavadocUtil.copyJavadocResources( anOutputDirectory, dir, options == null ? null : options.getExcludedDocfilesSubdirs() ); } } } } if ( getJavadocDirectory() != null ) { JavadocUtil.copyJavadocResources( anOutputDirectory, getJavadocDirectory(), excludedocfilessubdir ); } if ( isAggregator() && project.isExecutionRoot() ) { for ( MavenProject subProject : reactorProjects ) { if ( subProject != project && getJavadocDirectory() != null ) { String javadocDirRelative = PathUtils.toRelative( project.getBasedir(), getJavadocDirectory().getAbsolutePath() ); File javadocDir = new File( subProject.getBasedir(), javadocDirRelative ); JavadocUtil.copyJavadocResources( anOutputDirectory, javadocDir, excludedocfilessubdir ); } } } } private synchronized void resolveDependencyBundles() throws IOException { if ( dependencyJavadocBundles == null ) { dependencyJavadocBundles = resourceResolver.resolveDependencyJavadocBundles( getDependencySourceResolverConfig() ); if ( dependencyJavadocBundles == null ) { dependencyJavadocBundles = new ArrayList<>(); } } } /** * Method that copy additional Javadoc resources from given artifacts. * * @param anOutputDirectory the output directory * @throws MavenReportException if any * @see #resourcesArtifacts */ private void copyAdditionalJavadocResources( File anOutputDirectory ) throws MavenReportException { Set resourcesArtifacts = collectResourcesArtifacts(); if ( isEmpty( resourcesArtifacts ) ) { return; } UnArchiver unArchiver; try { unArchiver = archiverManager.getUnArchiver( "jar" ); } catch ( NoSuchArchiverException e ) { throw new MavenReportException( "Unable to extract resources artifact. " + "No archiver for 'jar' available.", e ); } for ( ResourcesArtifact item : resourcesArtifacts ) { Artifact artifact; try { artifact = createAndResolveArtifact( item ); } catch ( ArtifactResolverException e ) { throw new MavenReportException( "Unable to resolve artifact:" + item, e ); } unArchiver.setSourceFile( artifact.getFile() ); unArchiver.setDestDirectory( anOutputDirectory ); // remove the META-INF directory from resource artifact IncludeExcludeFileSelector[] selectors = new IncludeExcludeFileSelector[]{ new IncludeExcludeFileSelector() }; selectors[0].setExcludes( new String[]{ "META-INF/**" } ); unArchiver.setFileSelectors( selectors ); getLog().info( "Extracting contents of resources artifact: " + artifact.getArtifactId() ); try { unArchiver.extract(); } catch ( ArchiverException e ) { throw new MavenReportException( "Extraction of resources failed. Artifact that failed was: " + artifact.getArtifactId(), e ); } } } /** * @param sourcePaths could be null * @param files not null * @return the list of package names for files in the sourcePaths */ private List getPackageNames( Collection sourcePaths, List files ) { return getPackageNamesOrFilesWithUnnamedPackages( sourcePaths, files, true ); } /** * @param sourcePaths could be null * @param files not null * @return a list files with unnamed package names for files in the sourecPaths */ private List getFilesWithUnnamedPackages( Collection sourcePaths, List files ) { return getPackageNamesOrFilesWithUnnamedPackages( sourcePaths, files, false ); } /** * @param sourcePaths not null, containing absolute and relative paths * @param files not null, containing list of quoted files * @param onlyPackageName boolean for only package name * @return a list of package names or files with unnamed package names, depending the value of the unnamed flag * @see #getFiles(List) * @see #getSourcePaths() */ private List getPackageNamesOrFilesWithUnnamedPackages( Collection sourcePaths, List files, boolean onlyPackageName ) { List returnList = new ArrayList<>(); if ( !StringUtils.isEmpty( sourcepath ) ) { return returnList; } for ( String currentFile : files ) { currentFile = currentFile.replace( '\\', '/' ); for ( String currentSourcePath : sourcePaths ) { currentSourcePath = currentSourcePath.replace( '\\', '/' ); if ( !currentSourcePath.endsWith( "/" ) ) { currentSourcePath += "/"; } if ( currentFile.contains( currentSourcePath ) ) { String packagename = currentFile.substring( currentSourcePath.length() + 1 ); /* * Remove the miscellaneous files * http://docs.oracle.com/javase/1.4.2/docs/tooldocs/solaris/javadoc.html#unprocessed */ if ( packagename.contains( "doc-files" ) ) { continue; } if ( onlyPackageName && packagename.lastIndexOf( "/" ) != -1 ) { packagename = packagename.substring( 0, packagename.lastIndexOf( "/" ) ); packagename = packagename.replace( '/', '.' ); if ( !returnList.contains( packagename ) ) { returnList.add( packagename ); } } if ( !onlyPackageName && packagename.lastIndexOf( "/" ) == -1 ) { returnList.add( currentFile ); } } } } return returnList; } /** * Generate an options file for all options and arguments and add the @options in the * command line. * * @param cmd not null * @param arguments not null * @param javadocOutputDirectory not null * @throws MavenReportException if any * @see * Reference Guide, Command line argument files * @see #OPTIONS_FILE_NAME */ private void addCommandLineOptions( Commandline cmd, List arguments, File javadocOutputDirectory ) throws MavenReportException { File optionsFile = new File( javadocOutputDirectory, OPTIONS_FILE_NAME ); StringBuilder options = new StringBuilder(); options.append( StringUtils.join( arguments.toArray( new String[arguments.size()] ), SystemUtils.LINE_SEPARATOR ) ); try { FileUtils.fileWrite( optionsFile.getAbsolutePath(), null /* platform encoding */, options.toString() ); } catch ( IOException e ) { throw new MavenReportException( "Unable to write '" + optionsFile.getName() + "' temporary file for command execution", e ); } cmd.createArg().setValue( "@" + OPTIONS_FILE_NAME ); } /** * Generate a file called argfile (or files, depending the JDK) to hold files and add * the @argfile (or @file, depending the JDK) in the command line. * * @param cmd not null * @param javadocOutputDirectory not null * @param files not null * @throws MavenReportException if any * @see * Reference Guide, Command line argument files * * @see * What s New in Javadoc 1.4 * * @see #isJavaDocVersionAtLeast(float) * @see #ARGFILE_FILE_NAME * @see #FILES_FILE_NAME */ private void addCommandLineArgFile( Commandline cmd, File javadocOutputDirectory, List files ) throws MavenReportException { File argfileFile; if ( JAVA_VERSION.compareTo( SINCE_JAVADOC_1_4 ) >= 0 ) { argfileFile = new File( javadocOutputDirectory, ARGFILE_FILE_NAME ); cmd.createArg().setValue( "@" + ARGFILE_FILE_NAME ); } else { argfileFile = new File( javadocOutputDirectory, FILES_FILE_NAME ); cmd.createArg().setValue( "@" + FILES_FILE_NAME ); } try { FileUtils.fileWrite( argfileFile.getAbsolutePath(), null /* platform encoding */, StringUtils.join( files.iterator(), SystemUtils.LINE_SEPARATOR ) ); } catch ( IOException e ) { throw new MavenReportException( "Unable to write '" + argfileFile.getName() + "' temporary file for command execution", e ); } } /** * Generate a file called packages to hold all package names and add the @packages in * the command line. * * @param cmd not null * @param javadocOutputDirectory not null * @param packageNames not null * @throws MavenReportException if any * @see * Reference Guide, Command line argument files * @see #PACKAGES_FILE_NAME */ private void addCommandLinePackages( Commandline cmd, File javadocOutputDirectory, List packageNames ) throws MavenReportException { File packagesFile = new File( javadocOutputDirectory, PACKAGES_FILE_NAME ); try { FileUtils.fileWrite( packagesFile.getAbsolutePath(), null /* platform encoding */, StringUtils.join( packageNames.iterator(), SystemUtils.LINE_SEPARATOR ) ); } catch ( IOException e ) { throw new MavenReportException( "Unable to write '" + packagesFile.getName() + "' temporary file for command execution", e ); } cmd.createArg().setValue( "@" + PACKAGES_FILE_NAME ); } /** * Checks for the validity of the Javadoc options used by the user. * * @throws MavenReportException if error */ private void validateJavadocOptions() throws MavenReportException { // encoding if ( StringUtils.isNotEmpty( getEncoding() ) && !JavadocUtil.validateEncoding( getEncoding() ) ) { throw new MavenReportException( "Unsupported option '" + getEncoding() + "'" ); } // locale if ( StringUtils.isNotEmpty( this.locale ) ) { StringTokenizer tokenizer = new StringTokenizer( this.locale, "_" ); final int maxTokens = 3; if ( tokenizer.countTokens() > maxTokens ) { throw new MavenReportException( "Unsupported option '" + this.locale + "', should be language_country_variant." ); } Locale localeObject = null; if ( tokenizer.hasMoreTokens() ) { String language = tokenizer.nextToken().toLowerCase( Locale.ENGLISH ); if ( !Arrays.asList( Locale.getISOLanguages() ).contains( language ) ) { throw new MavenReportException( "Unsupported language '" + language + "' in option '" + this.locale + "'" ); } localeObject = new Locale( language ); if ( tokenizer.hasMoreTokens() ) { String country = tokenizer.nextToken().toUpperCase( Locale.ENGLISH ); if ( !Arrays.asList( Locale.getISOCountries() ).contains( country ) ) { throw new MavenReportException( "Unsupported country '" + country + "' in option '" + this.locale + "'" ); } localeObject = new Locale( language, country ); if ( tokenizer.hasMoreTokens() ) { String variant = tokenizer.nextToken(); localeObject = new Locale( language, country, variant ); } } } if ( localeObject == null ) { throw new MavenReportException( "Unsupported option '" + this.locale + "', should be language_country_variant." ); } this.locale = localeObject.toString(); final List availableLocalesList = Arrays.asList( Locale.getAvailableLocales() ); if ( StringUtils.isNotEmpty( localeObject.getVariant() ) && !availableLocalesList.contains( localeObject ) ) { StringBuilder sb = new StringBuilder(); sb.append( "Unsupported option with variant '" ).append( this.locale ); sb.append( "'" ); localeObject = new Locale( localeObject.getLanguage(), localeObject.getCountry() ); this.locale = localeObject.toString(); sb.append( ", trying to use without variant, i.e. '" ).append( this.locale ).append( "'" ); if ( getLog().isWarnEnabled() ) { getLog().warn( sb.toString() ); } } if ( !availableLocalesList.contains( localeObject ) ) { throw new MavenReportException( "Unsupported option '" + this.locale + "'" ); } } } /** * Checks for the validity of the Standard Doclet options. *
* For example, throw an exception if <nohelp/> and <helpfile/> options are used together. * * @throws MavenReportException if error or conflict found */ private void validateStandardDocletOptions() throws MavenReportException { // docencoding if ( StringUtils.isNotEmpty( getDocencoding() ) && !JavadocUtil.validateEncoding( getDocencoding() ) ) { throw new MavenReportException( "Unsupported option '" + getDocencoding() + "'" ); } // charset if ( StringUtils.isNotEmpty( getCharset() ) && !JavadocUtil.validateEncoding( getCharset() ) ) { throw new MavenReportException( "Unsupported option '" + getCharset() + "'" ); } // helpfile if ( StringUtils.isNotEmpty( helpfile ) && nohelp ) { throw new MavenReportException( "Option conflicts with " ); } // overview if ( ( getOverview() != null ) && nooverview ) { throw new MavenReportException( "Option conflicts with " ); } // index if ( splitindex && noindex ) { throw new MavenReportException( "Option conflicts with " ); } // stylesheet if ( StringUtils.isNotEmpty( stylesheet ) && !( stylesheet.equalsIgnoreCase( "maven" ) || stylesheet.equalsIgnoreCase( "java" ) ) ) { throw new MavenReportException( "Option supports only \"maven\" or \"java\" value." ); } // default java api links if ( javaApiLinks == null || javaApiLinks.size() == 0 ) { javaApiLinks = DEFAULT_JAVA_API_LINKS; } } /** * Add Standard Javadoc Options. *
* The package documentation details the * Standard Javadoc Options wrapped by this Plugin. * * @param javadocOutputDirectory not null * @param arguments not null * @param sourcePaths not null * @throws MavenReportException if any * @see http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javadoc.html#javadocoptions */ private void addJavadocOptions( File javadocOutputDirectory, List arguments, Map> allSourcePaths ) throws MavenReportException { Collection sourcePaths = collect( allSourcePaths.values() ); validateJavadocOptions(); // see com.sun.tools.javadoc.Start#parseAndExecute(String argv[]) addArgIfNotEmpty( arguments, "-locale", JavadocUtil.quotedArgument( this.locale ) ); // all options in alphabetical order if ( old && isJavaDocVersionAtLeast( SINCE_JAVADOC_1_4 ) ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "Javadoc 1.4+ doesn't support the -1.1 switch anymore. Ignore this option." ); } } else { addArgIf( arguments, old, "-1.1" ); } addArgIfNotEmpty( arguments, "-bootclasspath", JavadocUtil.quotedPathArgument( getBootclassPath() ) ); if ( isJavaDocVersionAtLeast( SINCE_JAVADOC_1_5 ) ) { addArgIf( arguments, breakiterator, "-breakiterator", SINCE_JAVADOC_1_5 ); } List roots = getProjectSourceRoots( getProject() ); File mainDescriptor = findMainDescriptor( roots ); final LocationManager locationManager = new LocationManager(); if ( mainDescriptor != null && !isTest() ) { ResolvePathsRequest request = ResolvePathsRequest.withFiles( getPathElements() ).setMainModuleDescriptor( mainDescriptor ); try { ResolvePathsResult result = locationManager.resolvePaths( request ); String classpath = StringUtils.join( result.getClasspathElements().iterator(), File.pathSeparator ); addArgIfNotEmpty( arguments, "--class-path", JavadocUtil.quotedPathArgument( classpath ) ); Set modulePathElements = new HashSet<>( result.getModulepathElements().keySet() ) ; if ( allSourcePaths.size() > 1 ) { // Probably required due to bug in javadoc (Java 9+) modulePathElements.addAll( getProjectBuildOutputDirs( getProject() ) ); } String modulepath = StringUtils.join( modulePathElements.iterator(), File.pathSeparator ); addArgIfNotEmpty( arguments, "--module-path", JavadocUtil.quotedPathArgument( modulepath ) ); } catch ( IOException e ) { throw new MavenReportException( e.getMessage(), e ); } } else { String classpath = StringUtils.join( getPathElements().iterator(), File.pathSeparator ); addArgIfNotEmpty( arguments, "-classpath", JavadocUtil.quotedPathArgument( classpath ) ); } Collection reactorKeys = new HashSet<>( session.getProjects().size() ); for ( MavenProject reactorProject : session.getProjects() ) { reactorKeys.add( ArtifactUtils.versionlessKey( reactorProject.getGroupId(), reactorProject.getArtifactId() ) ); } Path moduleSourceDir = null; if ( allSourcePaths.size() > 1 ) { for ( Map.Entry> projectSourcepaths : allSourcePaths.entrySet() ) { if ( reactorKeys.contains( projectSourcepaths.getKey() ) ) { File moduleDescriptor = findMainDescriptor( projectSourcepaths.getValue() ); if ( moduleDescriptor != null ) { moduleSourceDir = javadocOutputDirectory.toPath().resolve( "src" ); try { moduleSourceDir = Files.createDirectories( moduleSourceDir ); ResolvePathsRequest request = ResolvePathsRequest.withFiles( Collections.emptyList() ) .setMainModuleDescriptor( moduleDescriptor ); String moduleName = locationManager.resolvePaths( request ).getMainModuleDescriptor().name(); addArgIfNotEmpty( arguments, "--patch-module", moduleName + '=' + JavadocUtil.quotedPathArgument( getSourcePath( projectSourcepaths.getValue() ) ) ); Files.createDirectory( moduleSourceDir.resolve( moduleName ) ); } catch ( IOException e ) { throw new MavenReportException( e.getMessage() ); } } else { // todo getLog().error( "no module descriptor for " + projectSourcepaths.getKey() ); } } else { // todo getLog().error( "no reactor project: " + projectSourcepaths.getKey() ); } } } if ( StringUtils.isNotEmpty( doclet ) ) { addArgIfNotEmpty( arguments, "-doclet", JavadocUtil.quotedArgument( doclet ) ); addArgIfNotEmpty( arguments, "-docletpath", JavadocUtil.quotedPathArgument( getDocletPath() ) ); } if ( StringUtils.isEmpty( encoding ) ) { getLog().warn( "Source files encoding has not been set, using platform encoding " + ReaderFactory.FILE_ENCODING + ", i.e. build is platform dependent!" ); } addArgIfNotEmpty( arguments, "-encoding", JavadocUtil.quotedArgument( getEncoding() ) ); addArgIfNotEmpty( arguments, "-extdirs", JavadocUtil.quotedPathArgument( JavadocUtil.unifyPathSeparator( extdirs ) ) ); if ( ( getOverview() != null ) && ( getOverview().exists() ) ) { addArgIfNotEmpty( arguments, "-overview", JavadocUtil.quotedPathArgument( getOverview().getAbsolutePath() ) ); } arguments.add( getAccessLevel() ); if ( isJavaDocVersionAtLeast( SINCE_JAVADOC_1_5 ) ) { addArgIf( arguments, quiet, "-quiet", SINCE_JAVADOC_1_5 ); } addArgIfNotEmpty( arguments, "-source", JavadocUtil.quotedArgument( source ), SINCE_JAVADOC_1_4 ); if ( ( StringUtils.isEmpty( sourcepath ) ) && ( StringUtils.isNotEmpty( subpackages ) ) ) { sourcepath = StringUtils.join( sourcePaths.iterator(), File.pathSeparator ); } if ( moduleSourceDir != null ) { addArgIfNotEmpty( arguments, "--module-source-path", JavadocUtil.quotedPathArgument( moduleSourceDir.toString() ) ); } else { addArgIfNotEmpty( arguments, "-sourcepath", JavadocUtil.quotedPathArgument( getSourcePath( sourcePaths ) ) ); } if ( StringUtils.isNotEmpty( sourcepath ) && isJavaDocVersionAtLeast( SINCE_JAVADOC_1_5 ) ) { addArgIfNotEmpty( arguments, "-subpackages", subpackages, SINCE_JAVADOC_1_5 ); } // [MJAVADOC-497] must be after sourcepath is recalculated, since getExcludedPackages() depends on it addArgIfNotEmpty( arguments, "-exclude", getExcludedPackages( sourcePaths ), SINCE_JAVADOC_1_4 ); addArgIf( arguments, verbose, "-verbose" ); if ( additionalOptions != null && additionalOptions.length > 0 ) { for ( String option : additionalOptions ) { arguments.add( option ); } } } private File findMainDescriptor( Collection roots ) { for ( String root : roots ) { File descriptorFile = new File( root, "module-info.java" ).getAbsoluteFile(); if ( descriptorFile.exists() ) { return descriptorFile; } } return null; } /** * Add Standard Doclet Options. *
* The package documentation details the * Standard Doclet Options wrapped by this Plugin. * * @param javadocOutputDirectory not null * @param arguments not null * @throws MavenReportException if any * @see * http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javadoc.html#standard */ private void addStandardDocletOptions( File javadocOutputDirectory, List arguments ) throws MavenReportException { validateStandardDocletOptions(); // all options in alphabetical order addArgIf( arguments, author, "-author" ); addArgIfNotEmpty( arguments, "-bottom", JavadocUtil.quotedArgument( getBottomText() ), false, false ); if ( !isJavaDocVersionAtLeast( SINCE_JAVADOC_1_5 ) ) { addArgIf( arguments, breakiterator, "-breakiterator", SINCE_JAVADOC_1_4 ); } addArgIfNotEmpty( arguments, "-charset", JavadocUtil.quotedArgument( getCharset() ) ); addArgIfNotEmpty( arguments, "-d", JavadocUtil.quotedPathArgument( javadocOutputDirectory.toString() ) ); addArgIfNotEmpty( arguments, "-docencoding", JavadocUtil.quotedArgument( getDocencoding() ) ); addArgIf( arguments, docfilessubdirs, "-docfilessubdirs", SINCE_JAVADOC_1_4 ); addArgIf( arguments, StringUtils.isNotEmpty( doclint ), "-Xdoclint:" + getDoclint(), SINCE_JAVADOC_1_8 ); addArgIfNotEmpty( arguments, "-doctitle", JavadocUtil.quotedArgument( getDoctitle() ), false, false ); if ( docfilessubdirs ) { addArgIfNotEmpty( arguments, "-excludedocfilessubdir", JavadocUtil.quotedPathArgument( excludedocfilessubdir ), SINCE_JAVADOC_1_4 ); } addArgIfNotEmpty( arguments, "-footer", JavadocUtil.quotedArgument( footer ), false, false ); addGroups( arguments ); addArgIfNotEmpty( arguments, "-header", JavadocUtil.quotedArgument( header ), false, false ); addArgIfNotEmpty( arguments, "-helpfile", JavadocUtil.quotedPathArgument( getHelpFile( javadocOutputDirectory ) ) ); addArgIf( arguments, keywords, "-keywords", SINCE_JAVADOC_1_4_2 ); if ( !isOffline ) { addLinkArguments( arguments ); } addLinkofflineArguments( arguments ); addArgIf( arguments, linksource, "-linksource", SINCE_JAVADOC_1_4 ); if ( sourcetab > 0 ) { if ( javadocRuntimeVersion == SINCE_JAVADOC_1_4_2 ) { addArgIfNotEmpty( arguments, "-linksourcetab", String.valueOf( sourcetab ) ); } addArgIfNotEmpty( arguments, "-sourcetab", String.valueOf( sourcetab ), SINCE_JAVADOC_1_5 ); } addArgIf( arguments, nocomment, "-nocomment", SINCE_JAVADOC_1_4 ); addArgIf( arguments, nodeprecated, "-nodeprecated" ); addArgIf( arguments, nodeprecatedlist, "-nodeprecatedlist" ); addArgIf( arguments, nohelp, "-nohelp" ); addArgIf( arguments, noindex, "-noindex" ); addArgIf( arguments, nonavbar, "-nonavbar" ); addArgIf( arguments, nooverview, "-nooverview" ); addArgIfNotEmpty( arguments, "-noqualifier", JavadocUtil.quotedArgument( noqualifier ), SINCE_JAVADOC_1_4 ); addArgIf( arguments, nosince, "-nosince" ); addArgIf( arguments, notimestamp, "-notimestamp", SINCE_JAVADOC_1_5 ); addArgIf( arguments, notree, "-notree" ); addArgIfNotEmpty( arguments, "-packagesheader", JavadocUtil.quotedArgument( packagesheader ), SINCE_JAVADOC_1_4_2 ); if ( !isJavaDocVersionAtLeast( SINCE_JAVADOC_1_5 ) ) // Sun bug: 4714350 { addArgIf( arguments, quiet, "-quiet", SINCE_JAVADOC_1_4 ); } addArgIf( arguments, serialwarn, "-serialwarn" ); addArgIf( arguments, splitindex, "-splitindex" ); addArgIfNotEmpty( arguments, "-stylesheetfile", JavadocUtil.quotedPathArgument( getStylesheetFile( javadocOutputDirectory ) ) ); if ( StringUtils.isNotEmpty( sourcepath ) && !isJavaDocVersionAtLeast( SINCE_JAVADOC_1_5 ) ) { addArgIfNotEmpty( arguments, "-subpackages", subpackages, SINCE_JAVADOC_1_4 ); } addArgIfNotEmpty( arguments, "-taglet", JavadocUtil.quotedArgument( taglet ), SINCE_JAVADOC_1_4 ); addTaglets( arguments ); addTagletsFromTagletArtifacts( arguments ); addArgIfNotEmpty( arguments, "-tagletpath", JavadocUtil.quotedPathArgument( getTagletPath() ), SINCE_JAVADOC_1_4 ); addTags( arguments ); addArgIfNotEmpty( arguments, "-top", JavadocUtil.quotedArgument( top ), false, false, SINCE_JAVADOC_1_6 ); addArgIf( arguments, use, "-use" ); addArgIf( arguments, version, "-version" ); addArgIfNotEmpty( arguments, "-windowtitle", JavadocUtil.quotedArgument( getWindowtitle() ), false, false ); } /** * Add groups parameter to arguments. * * @param arguments not null * @throws MavenReportException */ private void addGroups( List arguments ) throws MavenReportException { Set groups = collectGroups(); if ( isEmpty( groups ) ) { return; } for ( Group group : groups ) { if ( group == null || StringUtils.isEmpty( group.getTitle() ) || StringUtils.isEmpty( group.getPackages() ) ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "A group option is empty. Ignore this option." ); } } else { String groupTitle = StringUtils.replace( group.getTitle(), ",", "," ); addArgIfNotEmpty( arguments, "-group", JavadocUtil.quotedArgument( groupTitle ) + " " + JavadocUtil.quotedArgument( group.getPackages() ), true ); } } } /** * Add tags parameter to arguments. * * @param arguments not null * @throws MavenReportException */ private void addTags( List arguments ) throws MavenReportException { Set tags = collectTags(); if ( isEmpty( tags ) ) { return; } for ( Tag tag : tags ) { if ( StringUtils.isEmpty( tag.getName() ) ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "A tag name is empty. Ignore this option." ); } } else { String value = "\"" + tag.getName(); if ( StringUtils.isNotEmpty( tag.getPlacement() ) ) { value += ":" + tag.getPlacement(); if ( StringUtils.isNotEmpty( tag.getHead() ) ) { value += ":" + tag.getHead(); } } value += "\""; addArgIfNotEmpty( arguments, "-tag", value, SINCE_JAVADOC_1_4 ); } } } /** * Add taglets parameter to arguments. * * @param arguments not null */ private void addTaglets( List arguments ) { if ( taglets == null ) { return; } for ( Taglet taglet1 : taglets ) { if ( ( taglet1 == null ) || ( StringUtils.isEmpty( taglet1.getTagletClass() ) ) ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "A taglet option is empty. Ignore this option." ); } } else { addArgIfNotEmpty( arguments, "-taglet", JavadocUtil.quotedArgument( taglet1.getTagletClass() ), SINCE_JAVADOC_1_4 ); } } } /** * Auto-detect taglets class name from tagletArtifacts and add them to arguments. * * @param arguments not null * @throws MavenReportException if any * @see JavadocUtil#getTagletClassNames(File) */ private void addTagletsFromTagletArtifacts( List arguments ) throws MavenReportException { Set tArtifacts = new LinkedHashSet<>(); if ( tagletArtifacts != null && tagletArtifacts.length > 0 ) { tArtifacts.addAll( Arrays.asList( tagletArtifacts ) ); } if ( includeDependencySources ) { try { resolveDependencyBundles(); } catch ( IOException e ) { throw new MavenReportException( "Failed to resolve javadoc bundles from dependencies: " + e.getMessage(), e ); } if ( isNotEmpty( dependencyJavadocBundles ) ) { for ( JavadocBundle bundle : dependencyJavadocBundles ) { JavadocOptions options = bundle.getOptions(); if ( options != null && isNotEmpty( options.getTagletArtifacts() ) ) { tArtifacts.addAll( options.getTagletArtifacts() ); } } } } if ( isEmpty( tArtifacts ) ) { return; } List tagletsPath = new ArrayList<>(); for ( TagletArtifact aTagletArtifact : tArtifacts ) { if ( ( StringUtils.isNotEmpty( aTagletArtifact.getGroupId() ) ) && ( StringUtils.isNotEmpty( aTagletArtifact.getArtifactId() ) ) && ( StringUtils.isNotEmpty( aTagletArtifact.getVersion() ) ) ) { Artifact artifact; try { artifact = createAndResolveArtifact( aTagletArtifact ); } catch ( ArtifactResolverException e ) { throw new MavenReportException( "Unable to resolve artifact:" + aTagletArtifact, e ); } tagletsPath.add( artifact.getFile().getAbsolutePath() ); } } tagletsPath = JavadocUtil.pruneFiles( tagletsPath ); for ( String tagletJar : tagletsPath ) { if ( !tagletJar.toLowerCase( Locale.ENGLISH ).endsWith( ".jar" ) ) { continue; } List tagletClasses; try { tagletClasses = JavadocUtil.getTagletClassNames( new File( tagletJar ) ); } catch ( IOException e ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "Unable to auto-detect Taglet class names from '" + tagletJar + "'. Try to specify them with ." ); } if ( getLog().isDebugEnabled() ) { getLog().debug( "IOException: " + e.getMessage(), e ); } continue; } catch ( ClassNotFoundException e ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "Unable to auto-detect Taglet class names from '" + tagletJar + "'. Try to specify them with ." ); } if ( getLog().isDebugEnabled() ) { getLog().debug( "ClassNotFoundException: " + e.getMessage(), e ); } continue; } catch ( NoClassDefFoundError e ) { if ( getLog().isWarnEnabled() ) { getLog().warn( "Unable to auto-detect Taglet class names from '" + tagletJar + "'. Try to specify them with ." ); } if ( getLog().isDebugEnabled() ) { getLog().debug( "NoClassDefFoundError: " + e.getMessage(), e ); } continue; } if ( tagletClasses != null && !tagletClasses.isEmpty() ) { for ( String tagletClass : tagletClasses ) { addArgIfNotEmpty( arguments, "-taglet", JavadocUtil.quotedArgument( tagletClass ), SINCE_JAVADOC_1_4 ); } } } } /** * Execute the Javadoc command line * * @param cmd not null * @param javadocOutputDirectory not null * @throws MavenReportException if any errors occur */ private void executeJavadocCommandLine( Commandline cmd, File javadocOutputDirectory ) throws MavenReportException { if ( getLog().isDebugEnabled() ) { // no quoted arguments getLog().debug( CommandLineUtils.toString( cmd.getCommandline() ).replaceAll( "'", "" ) ); } String cmdLine = null; if ( debug ) { cmdLine = CommandLineUtils.toString( cmd.getCommandline() ).replaceAll( "'", "" ); cmdLine = JavadocUtil.hideProxyPassword( cmdLine, settings ); writeDebugJavadocScript( cmdLine, javadocOutputDirectory ); } CommandLineUtils.StringStreamConsumer err = new CommandLineUtils.StringStreamConsumer(); CommandLineUtils.StringStreamConsumer out = new CommandLineUtils.StringStreamConsumer(); try { int exitCode = CommandLineUtils.executeCommandLine( cmd, out, err ); String output = ( StringUtils.isEmpty( out.getOutput() ) ? null : '\n' + out.getOutput().trim() ); if ( exitCode != 0 ) { if ( cmdLine == null ) { cmdLine = CommandLineUtils.toString( cmd.getCommandline() ).replaceAll( "'", "" ); cmdLine = JavadocUtil.hideProxyPassword( cmdLine, settings ); } writeDebugJavadocScript( cmdLine, javadocOutputDirectory ); if ( StringUtils.isNotEmpty( output ) && StringUtils.isEmpty( err.getOutput() ) && isJavadocVMInitError( output ) ) { throw new MavenReportException( output + '\n' + '\n' + JavadocUtil.ERROR_INIT_VM + '\n' + "Or, try to reduce the Java heap size for the Javadoc goal using " + "-Dminmemory= and -Dmaxmemory=." + '\n' + '\n' + "Command line was: " + cmdLine + '\n' + '\n' + "Refer to the generated Javadoc files in '" + javadocOutputDirectory + "' dir.\n" ); } if ( StringUtils.isNotEmpty( output ) ) { getLog().info( output ); } StringBuilder msg = new StringBuilder( "\nExit code: " ); msg.append( exitCode ); if ( StringUtils.isNotEmpty( err.getOutput() ) ) { msg.append( " - " ).append( err.getOutput() ); } msg.append( '\n' ); msg.append( "Command line was: " ).append( cmdLine ).append( '\n' ).append( '\n' ); msg.append( "Refer to the generated Javadoc files in '" ).append( javadocOutputDirectory ) .append( "' dir.\n" ); throw new MavenReportException( msg.toString() ); } if ( StringUtils.isNotEmpty( output ) ) { getLog().info( output ); } } catch ( CommandLineException e ) { throw new MavenReportException( "Unable to execute javadoc command: " + e.getMessage(), e ); } // ---------------------------------------------------------------------- // Handle Javadoc warnings // ---------------------------------------------------------------------- if ( StringUtils.isNotEmpty( err.getOutput() ) && getLog().isWarnEnabled() ) { getLog().warn( "Javadoc Warnings" ); StringTokenizer token = new StringTokenizer( err.getOutput(), "\n" ); while ( token.hasMoreTokens() ) { String current = token.nextToken().trim(); getLog().warn( current ); } } if ( StringUtils.isNotEmpty( err.getOutput() ) && failOnWarnings ) { throw new MavenReportException( "Project contains Javadoc Warnings" ); } } /** * Patches the given Javadoc output directory to work around CVE-2013-1571 * (see http://www.kb.cert.org/vuls/id/225657). * * @param javadocOutputDirectory directory to scan for vulnerabilities * @param outputEncoding encoding used by the javadoc tool (-docencoding parameter). * If {@code null}, the platform's default encoding is used (like javadoc does). * @return the number of patched files */ private int fixFrameInjectionBug( File javadocOutputDirectory, String outputEncoding ) throws IOException { final String fixData; InputStream in = null; try { in = this.getClass().getResourceAsStream( "frame-injection-fix.txt" ); if ( in == null ) { throw new FileNotFoundException( "Missing resource 'frame-injection-fix.txt' in classpath." ); } fixData = StringUtils.unifyLineSeparators( IOUtil.toString( in, "US-ASCII" ) ).trim(); in.close(); in = null; } finally { IOUtil.close( in ); } final DirectoryScanner ds = new DirectoryScanner(); ds.setBasedir( javadocOutputDirectory ); ds.setCaseSensitive( false ); ds.setIncludes( new String[]{ "**/index.html", "**/index.htm", "**/toc.html", "**/toc.htm" } ); ds.addDefaultExcludes(); ds.scan(); int patched = 0; for ( String f : ds.getIncludedFiles() ) { final File file = new File( javadocOutputDirectory, f ); // we load the whole file as one String (toc/index files are // generally small, because they only contain frameset declaration): final String fileContents = FileUtils.fileRead( file, outputEncoding ); // check if file may be vulnerable because it was not patched with "validURL(url)": if ( !StringUtils.contains( fileContents, "function validURL(url) {" ) ) { // we need to patch the file! final String patchedFileContents = StringUtils.replaceOnce( fileContents, "function loadFrames() {", fixData ); if ( !patchedFileContents.equals( fileContents ) ) { FileUtils.fileWrite( file, outputEncoding, patchedFileContents ); patched++; } } } return patched; } /** * @param outputFile not nul * @param inputResourceName a not null resource in src/main/java, src/main/resources or * src/main/javadoc or in the Javadoc plugin dependencies. * @return the resource file absolute path as String * @since 2.6 */ private String getResource( File outputFile, String inputResourceName ) { if ( inputResourceName.startsWith( "/" ) ) { inputResourceName = inputResourceName.replaceFirst( "//*", "" ); } List classPath = new ArrayList<>(); classPath.add( project.getBuild().getSourceDirectory() ); URL resourceURL = getResource( classPath, inputResourceName ); if ( resourceURL != null ) { getLog().debug( inputResourceName + " found in the main src directory of the project." ); return FileUtils.toFile( resourceURL ).getAbsolutePath(); } classPath.clear(); List resources = project.getBuild().getResources(); for ( Resource resource : resources ) { classPath.add( resource.getDirectory() ); } resourceURL = getResource( classPath, inputResourceName ); if ( resourceURL != null ) { getLog().debug( inputResourceName + " found in the main resources directories of the project." ); return FileUtils.toFile( resourceURL ).getAbsolutePath(); } if ( javadocDirectory.exists() ) { classPath.clear(); classPath.add( javadocDirectory.getAbsolutePath() ); resourceURL = getResource( classPath, inputResourceName ); if ( resourceURL != null ) { getLog().debug( inputResourceName + " found in the main javadoc directory of the project." ); return FileUtils.toFile( resourceURL ).getAbsolutePath(); } } classPath.clear(); final String pluginId = "org.apache.maven.plugins:maven-javadoc-plugin"; Plugin javadocPlugin = getPlugin( project, pluginId ); if ( javadocPlugin != null && javadocPlugin.getDependencies() != null ) { List dependencies = javadocPlugin.getDependencies(); for ( Dependency dependency : dependencies ) { JavadocPathArtifact javadocPathArtifact = new JavadocPathArtifact(); javadocPathArtifact.setGroupId( dependency.getGroupId() ); javadocPathArtifact.setArtifactId( dependency.getArtifactId() ); javadocPathArtifact.setVersion( dependency.getVersion() ); Artifact artifact = null; try { artifact = createAndResolveArtifact( javadocPathArtifact ); } catch ( Exception e ) { logError( "Unable to retrieve the dependency: " + dependency + ". Ignored.", e ); } if ( artifact != null && artifact.getFile().exists() ) { classPath.add( artifact.getFile().getAbsolutePath() ); } } resourceURL = getResource( classPath, inputResourceName ); if ( resourceURL != null ) { getLog().debug( inputResourceName + " found in javadoc plugin dependencies." ); try { JavadocUtil.copyResource( resourceURL, outputFile ); return outputFile.getAbsolutePath(); } catch ( IOException e ) { logError( "IOException: " + e.getMessage(), e ); } } } getLog().warn( "Unable to find the resource '" + inputResourceName + "'. Using default Javadoc resources." ); return null; } /** * @param classPath a not null String list of files where resource will be look up. * @param resource a not null ressource to find in the class path. * @return the resource from the given classpath or null if not found * @see ClassLoader#getResource(String) * @since 2.6 */ private URL getResource( final List classPath, final String resource ) { List urls = new ArrayList<>( classPath.size() ); for ( String filename : classPath ) { try { urls.add( new File( filename ).toURL() ); } catch ( MalformedURLException e ) { getLog().error( "MalformedURLException: " + e.getMessage() ); } } ClassLoader javadocClassLoader = new URLClassLoader( urls.toArray( new URL[urls.size()] ), null ); return javadocClassLoader.getResource( resource ); } /** * Get the full javadoc goal. Loads the plugin's pom.properties to get the current plugin version. * * @return org.apache.maven.plugins:maven-javadoc-plugin:CURRENT_VERSION:[test-]javadoc */ private String getFullJavadocGoal() { String javadocPluginVersion = null; InputStream resourceAsStream = null; try { String resource = "META-INF/maven/org.apache.maven.plugins/maven-javadoc-plugin/pom.properties"; resourceAsStream = AbstractJavadocMojo.class.getClassLoader().getResourceAsStream( resource ); if ( resourceAsStream != null ) { Properties properties = new Properties(); properties.load( resourceAsStream ); resourceAsStream.close(); resourceAsStream = null; if ( StringUtils.isNotEmpty( properties.getProperty( "version" ) ) ) { javadocPluginVersion = properties.getProperty( "version" ); } } } catch ( IOException e ) { // nop } finally { IOUtil.close( resourceAsStream ); } StringBuilder sb = new StringBuilder(); sb.append( "org.apache.maven.plugins:maven-javadoc-plugin:" ); if ( StringUtils.isNotEmpty( javadocPluginVersion ) ) { sb.append( javadocPluginVersion ).append( ":" ); } if ( this instanceof TestJavadocReport ) { sb.append( "test-javadoc" ); } else { sb.append( "javadoc" ); } return sb.toString(); } /** * Using Maven, a Javadoc link is given by ${project.url}/apidocs. * * @return the detected Javadoc links using the Maven conventions for all modules defined in the current project * or an empty list. * @throws MavenReportException if any * @see #detectOfflineLinks * @see #reactorProjects * @since 2.6 */ private List getModulesLinks() throws MavenReportException { if ( !detectOfflineLinks || isAggregator() || reactorProjects == null ) { return Collections.emptyList(); } getLog().debug( "Trying to add links for modules..." ); Set dependencyArtifactIds = new HashSet<>(); final Set dependencyArtifacts = project.getDependencyArtifacts(); for ( Artifact artifact : dependencyArtifacts ) { dependencyArtifactIds.add( artifact.getId() ); } List modulesLinks = new ArrayList<>(); String javadocDirRelative = PathUtils.toRelative( project.getBasedir(), getOutputDirectory() ); for ( MavenProject p : reactorProjects ) { if ( !dependencyArtifactIds.contains( p.getArtifact().getId() ) || ( p.getUrl() == null ) ) { continue; } File location = new File( p.getBasedir(), javadocDirRelative ); if ( !location.exists() ) { if ( getLog().isDebugEnabled() ) { getLog().debug( "Javadoc directory not found: " + location ); } String javadocGoal = getFullJavadocGoal(); getLog().info( "The goal '" + javadocGoal + "' has not been previously called for the module: '" + p.getId() + "'. Trying to invoke it..." ); File invokerDir = new File( project.getBuild().getDirectory(), "invoker" ); invokerDir.mkdirs(); File invokerLogFile = FileUtils.createTempFile( "maven-javadoc-plugin", ".txt", invokerDir ); try { JavadocUtil.invokeMaven( getLog(), new File( localRepository.getBasedir() ), p.getFile(), Collections.singletonList( javadocGoal ), null, invokerLogFile ); } catch ( MavenInvocationException e ) { logError( "MavenInvocationException: " + e.getMessage(), e ); String invokerLogContent = JavadocUtil.readFile( invokerLogFile, null /* platform encoding */ ); // TODO: Why are we only interested in cases where the JVM won't start? // [MJAVADOC-275][jdcasey] I changed the logic here to only throw an error WHEN // the JVM won't start (opposite of what it was). if ( invokerLogContent != null && invokerLogContent.contains( JavadocUtil.ERROR_INIT_VM ) ) { throw new MavenReportException( e.getMessage(), e ); } } finally { // just create the directory to prevent repeated invocations.. if ( !location.exists() ) { getLog().warn( "Creating fake javadoc directory to prevent repeated invocations: " + location ); location.mkdirs(); } } } if ( location.exists() ) { String url = getJavadocLink( p ); OfflineLink ol = new OfflineLink(); ol.setUrl( url ); ol.setLocation( location.getAbsolutePath() ); if ( getLog().isDebugEnabled() ) { getLog().debug( "Added Javadoc offline link: " + url + " for the module: " + p.getId() ); } modulesLinks.add( ol ); } } return modulesLinks; } /** * Using Maven, a Javadoc link is given by ${project.url}/apidocs. * * @return the detected Javadoc links using the Maven conventions for all dependencies defined in the current * project or an empty list. * @see #detectLinks * @see #isValidJavadocLink(String) * @since 2.6 */ private List getDependenciesLinks() { if ( !detectLinks ) { return Collections.emptyList(); } getLog().debug( "Trying to add links for dependencies..." ); List dependenciesLinks = new ArrayList<>(); final Set dependencies = project.getDependencyArtifacts(); for ( Artifact artifact : dependencies ) { if ( artifact.getFile() == null || !artifact.getFile().exists() ) { continue; } try { MavenProject artifactProject = mavenProjectBuilder.build( artifact, session.getProjectBuildingRequest() ).getProject(); if ( StringUtils.isNotEmpty( artifactProject.getUrl() ) ) { String url = getJavadocLink( artifactProject ); if ( isValidJavadocLink( url, true ) ) { getLog().debug( "Added Javadoc link: " + url + " for " + artifactProject.getId() ); dependenciesLinks.add( url ); } } } catch ( ProjectBuildingException e ) { logError( "ProjectBuildingException for " + artifact.toString() + ": " + e.getMessage(), e ); } } return dependenciesLinks; } /** * @return if {@link #detectJavaApiLink}, the Java API link based on the {@link #javaApiLinks} properties and the * value of the source parameter in the * org.apache.maven.plugins:maven-compiler-plugin * defined in ${project.build.plugins} or in ${project.build.pluginManagement}, * or the {@link #javadocRuntimeVersion}, or null if not defined. * @see #detectJavaApiLink * @see #javaApiLinks * @see #DEFAULT_JAVA_API_LINKS * @see source parameter * @since 2.6 */ private OfflineLink getDefaultJavadocApiLink() { if ( !detectJavaApiLink ) { return null; } final String pluginId = "org.apache.maven.plugins:maven-compiler-plugin"; JavaVersion sourceVersion = javadocRuntimeVersion; String sourceConfigured = getPluginParameter( project, pluginId, "source" ); if ( sourceConfigured != null ) { try { sourceVersion = JavaVersion.parse( sourceConfigured ); } catch ( NumberFormatException e ) { getLog().debug( "NumberFormatException for the source parameter in the maven-compiler-plugin. " + "Ignored it", e ); } } else { getLog().debug( "No maven-compiler-plugin defined in ${build.plugins} or in " + "${project.build.pluginManagement} for the " + project.getId() + ". Added Javadoc API link according the javadoc executable version i.e.: " + javadocRuntimeVersion ); } String apiVersion; Matcher apiMatcher = Pattern.compile( "(1\\.\\d|\\d\\d*)" ).matcher( sourceVersion.toString() ); if ( apiMatcher.find() ) { apiVersion = apiMatcher.group( 1 ); } else { apiVersion = null; } String javaApiLink = javaApiLinks.getProperty( "api_" + apiVersion, null ); if ( getLog().isDebugEnabled() ) { if ( StringUtils.isNotEmpty( javaApiLink ) ) { getLog().debug( "Found Java API link: " + javaApiLink ); } else { getLog().debug( "No Java API link found." ); } } if ( javaApiLink == null ) { return null; } File javaApiPackageListFile = new File( getJavadocOptionsFile().getParentFile(), "package-list" ); OfflineLink link = new OfflineLink(); link.setLocation( javaApiPackageListFile.getParentFile().getAbsolutePath() ); link.setUrl( javaApiLink ); InputStream in = null; OutputStream out = null; try { in = this.getClass().getResourceAsStream( "java-api-package-list-" + apiVersion ); out = new FileOutputStream( javaApiPackageListFile ); IOUtil.copy( in, out ); out.close(); out = null; in.close(); in = null; } catch ( IOException ioe ) { logError( "Can't get java-api-package-list-" + apiVersion + ": " + ioe.getMessage(), ioe ); return null; } finally { IOUtil.close( in ); IOUtil.close( out ); } return link; } /** * Follows all of the given links, and returns their last redirect locations. Ordering is kept. * This is necessary because javadoc tool doesn't follow links, see JDK-8190312 (MJAVADOC-427, MJAVADOC-487) * * @param links Links to follow. * @return Last redirect location of all the links. */ private Set followLinks( Set links ) { Set redirectLinks = new LinkedHashSet<>( links.size() ); for ( String link : links ) { try { redirectLinks.add( JavadocUtil.getRedirectUrl( new URI( link ).toURL(), settings ).toString() ); } catch ( Exception e ) { // only print in debug, it should have been logged already in warn/error because link isn't valid getLog().debug( "Could not follow " + link + ". Reason: " + e.getMessage() ); } } return redirectLinks; } /** * @param link not null * @param detecting true if the link is generated by * detectLinks, or false otherwise * @return true if the link has a /package-list, false otherwise. * @see * package-list spec * @since 2.6 */ protected boolean isValidJavadocLink( String link, boolean detecting ) { try { URI linkUri; if ( link.trim().toLowerCase( Locale.ENGLISH ).startsWith( "http:" ) || link.trim().toLowerCase( Locale.ENGLISH ).startsWith( "https:" ) || link.trim().toLowerCase( Locale.ENGLISH ).startsWith( "ftp:" ) || link.trim().toLowerCase( Locale.ENGLISH ).startsWith( "file:" ) ) { linkUri = new URI( link + "/package-list" ); } else { // links can be relative paths or files File dir = new File( link ); if ( !dir.isAbsolute() ) { dir = new File( getOutputDirectory(), link ); } if ( !dir.isDirectory() ) { if ( detecting ) { getLog().warn( "The given File link: " + dir + " is not a dir." ); } else { getLog().error( "The given File link: " + dir + " is not a dir." ); } } linkUri = new File( dir, "package-list" ).toURI(); } if ( !JavadocUtil.isValidPackageList( linkUri.toURL(), settings, validateLinks ) ) { if ( getLog().isErrorEnabled() ) { if ( detecting ) { getLog().warn( "Invalid link: " + link + "/package-list. Ignored it." ); } else { getLog().error( "Invalid link: " + link + "/package-list. Ignored it." ); } } return false; } return true; } catch ( URISyntaxException e ) { if ( getLog().isErrorEnabled() ) { if ( detecting ) { getLog().warn( "Malformed link: " + link + "/package-list. Ignored it." ); } else { getLog().error( "Malformed link: " + link + "/package-list. Ignored it." ); } } return false; } catch ( IOException e ) { if ( getLog().isErrorEnabled() ) { if ( detecting ) { getLog().warn( "Error fetching link: " + link + "/package-list. Ignored it." ); } else { getLog().error( "Error fetching link: " + link + "/package-list. Ignored it." ); } } return false; } } /** * Write a debug javadoc script in case of command line error or in debug mode. * * @param cmdLine the current command line as string, not null. * @param javadocOutputDirectory the output dir, not null. * @see #executeJavadocCommandLine(Commandline, File) * @since 2.6 */ private void writeDebugJavadocScript( String cmdLine, File javadocOutputDirectory ) { File commandLineFile = new File( javadocOutputDirectory, DEBUG_JAVADOC_SCRIPT_NAME ); commandLineFile.getParentFile().mkdirs(); try { FileUtils.fileWrite( commandLineFile.getAbsolutePath(), null /* platform encoding */, cmdLine ); if ( !SystemUtils.IS_OS_WINDOWS ) { Runtime.getRuntime().exec( new String[]{ "chmod", "a+x", commandLineFile.getAbsolutePath() } ); } } catch ( IOException e ) { logError( "Unable to write '" + commandLineFile.getName() + "' debug script file", e ); } } /** * Check if the Javadoc JVM is correctly started or not. * * @param output the command line output, not null. * @return true if Javadoc output command line contains Javadoc word, false otherwise. * @see #executeJavadocCommandLine(Commandline, File) * @since 2.6.1 */ private boolean isJavadocVMInitError( String output ) { /* * see main.usage and main.Building_tree keys from * com.sun.tools.javadoc.resources.javadoc bundle in tools.jar */ return !( output.contains( "Javadoc" ) || output.contains( "javadoc" ) ); } // ---------------------------------------------------------------------- // Static methods // ---------------------------------------------------------------------- /** * @param p not null * @return the javadoc link based on the project url i.e. ${project.url}/${destDir} where * destDir is configued in the Javadoc plugin configuration (apidocs by default). * @since 2.6 */ private static String getJavadocLink( MavenProject p ) { if ( p.getUrl() == null ) { return null; } String url = cleanUrl( p.getUrl() ); String destDir = "apidocs"; // see JavadocReport#destDir final String pluginId = "org.apache.maven.plugins:maven-javadoc-plugin"; String destDirConfigured = getPluginParameter( p, pluginId, "destDir" ); if ( destDirConfigured != null ) { destDir = destDirConfigured; } return url + "/" + destDir; } /** * @param url could be null. * @return the url cleaned or empty if url was null. * @since 2.6 */ private static String cleanUrl( String url ) { if ( url == null ) { return ""; } url = url.trim(); while ( url.endsWith( "/" ) ) { url = url.substring( 0, url.lastIndexOf( "/" ) ); } return url; } /** * @param p not null * @param pluginId not null key of the plugin defined in {@link org.apache.maven.model.Build#getPluginsAsMap()} * or in {@link org.apache.maven.model.PluginManagement#getPluginsAsMap()} * @return the Maven plugin defined in ${project.build.plugins} or in * ${project.build.pluginManagement}, or null if not defined. * @since 2.6 */ private static Plugin getPlugin( MavenProject p, String pluginId ) { if ( ( p.getBuild() == null ) || ( p.getBuild().getPluginsAsMap() == null ) ) { return null; } Plugin plugin = p.getBuild().getPluginsAsMap().get( pluginId ); if ( ( plugin == null ) && ( p.getBuild().getPluginManagement() != null ) && ( p.getBuild().getPluginManagement().getPluginsAsMap() != null ) ) { plugin = p.getBuild().getPluginManagement().getPluginsAsMap().get( pluginId ); } return plugin; } /** * @param p not null * @param pluginId not null * @param param not null * @return the simple parameter as String defined in the plugin configuration by param key * or null if not found. * @since 2.6 */ private static String getPluginParameter( MavenProject p, String pluginId, String param ) { // p.getGoalConfiguration( pluginGroupId, pluginArtifactId, executionId, goalId ); Plugin plugin = getPlugin( p, pluginId ); if ( plugin != null ) { Xpp3Dom xpp3Dom = (Xpp3Dom) plugin.getConfiguration(); if ( xpp3Dom != null && xpp3Dom.getChild( param ) != null && StringUtils.isNotEmpty( xpp3Dom.getChild( param ).getValue() ) ) { return xpp3Dom.getChild( param ).getValue(); } } return null; } /** * Construct the output file for the generated javadoc-options XML file, after creating the * javadocOptionsDir if necessary. This method does NOT write to the file in question. * * @return The options {@link File} file. * @since 2.7 */ protected final File getJavadocOptionsFile() { if ( javadocOptionsDir != null && !javadocOptionsDir.exists() ) { javadocOptionsDir.mkdirs(); } return new File( javadocOptionsDir, "javadoc-options-" + getAttachmentClassifier() + ".xml" ); } /** * Generate a javadoc-options XML file, for either bundling with a javadoc-resources artifact OR * supplying to a distro module in a includeDependencySources configuration, so the javadoc options * from this execution can be reconstructed and merged in the distro build. * * @return {@link JavadocOptions} * @throws IOException {@link IOException} * @since 2.7 */ protected final JavadocOptions buildJavadocOptions() throws IOException { JavadocOptions options = new JavadocOptions(); options.setBootclasspathArtifacts( toList( bootclasspathArtifacts ) ); options.setDocfilesSubdirsUsed( docfilessubdirs ); options.setDocletArtifacts( toList( docletArtifact, docletArtifacts ) ); options.setExcludedDocfilesSubdirs( excludedocfilessubdir ); options.setExcludePackageNames( toList( excludePackageNames ) ); options.setGroups( toList( groups ) ); options.setLinks( links ); options.setOfflineLinks( toList( offlineLinks ) ); options.setResourcesArtifacts( toList( resourcesArtifacts ) ); options.setTagletArtifacts( toList( tagletArtifact, tagletArtifacts ) ); options.setTaglets( toList( taglets ) ); options.setTags( toList( tags ) ); if ( getProject() != null && getJavadocDirectory() != null ) { options.setJavadocResourcesDirectory( toRelative( getProject().getBasedir(), getJavadocDirectory().getAbsolutePath() ) ); } File optionsFile = getJavadocOptionsFile(); try ( Writer writer = WriterFactory.newXmlWriter( optionsFile ) ) { new JavadocOptionsXpp3Writer().write( writer, options ); } return options; } /** * Override this if you need to provide a bundle attachment classifier, as in the case of test * javadocs. * @return The attachment classifier. */ protected String getAttachmentClassifier() { return JAVADOC_RESOURCES_ATTACHMENT_CLASSIFIER; } /** * Logs an error with throwable content only if in debug. * * @param message The message which should be announced. * @param t The throwable part of the message. */ protected void logError( String message, Throwable t ) { if ( getLog().isDebugEnabled() ) { getLog().error( message, t ); } else { getLog().error( message ); } } /** * @param prefix The prefix of the exception. * @param e The exception. * @throws MojoExecutionException {@link MojoExecutionException} */ protected void failOnError( String prefix, Exception e ) throws MojoExecutionException { if ( failOnError ) { if ( e instanceof RuntimeException ) { throw (RuntimeException) e; } throw new MojoExecutionException( prefix + ": " + e.getMessage(), e ); } getLog().error( prefix + ": " + e.getMessage(), e ); } }