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package org.apache.maven.plugins.ejb;
/*
* 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 java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.apache.commons.io.input.XmlStreamReader;
import org.apache.maven.archiver.MavenArchiveConfiguration;
import org.apache.maven.archiver.MavenArchiver;
import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.MavenProjectHelper;
import org.apache.maven.shared.filtering.MavenFileFilter;
import org.apache.maven.shared.filtering.MavenFilteringException;
import org.apache.maven.shared.filtering.MavenResourcesExecution;
import org.apache.maven.shared.utils.io.FileUtils.FilterWrapper;
import org.codehaus.plexus.archiver.Archiver;
import org.codehaus.plexus.archiver.ArchiverException;
import org.codehaus.plexus.archiver.jar.JarArchiver;
import org.codehaus.plexus.archiver.jar.ManifestException;
import org.codehaus.plexus.util.FileUtils;
/**
* Build an EJB (and optional client) from the current project.
*
* @author Emmanuel Venisse
* @version $Id$
*/
@Mojo( name = "ejb", requiresDependencyResolution = ResolutionScope.RUNTIME, threadSafe = true,
defaultPhase = LifecyclePhase.PACKAGE )
public class EjbMojo
extends AbstractMojo
{
private static final List DEFAULT_INCLUDES_LIST =
Collections.unmodifiableList( Arrays.asList( "**/**" ) );
//@formatter:off
private static final List DEFAULT_CLIENT_EXCLUDES_LIST =
Collections.unmodifiableList(
Arrays.asList(
"**/*Bean.class",
"**/*CMP.class",
"**/*Session.class",
"**/package.html"
)
);
//@formatter:on
/**
* Default value for {@link #clientClassifier}
*/
public static final String DEFAULT_CLIENT_CLASSIFIER = "client";
/**
* Default value for {@link #ejbJar}.
*/
public static final String DEFAULT_EJBJAR = "META-INF/ejb-jar.xml";
/**
* The directory location for the generated EJB.
*/
@Parameter( defaultValue = "${project.build.directory}", required = true, readonly = true )
private File outputDirectory;
/**
* Directory that contains the resources which are packaged into the created archive {@code target/classes}.
*/
@Parameter( defaultValue = "${project.build.outputDirectory}", required = true )
private File sourceDirectory;
/**
* The name of the EJB file to generate.
*/
@Parameter( defaultValue = "${project.build.finalName}", readonly = true )
private String jarName;
/**
* Classifier to add to the artifact generated. If given, the artifact will be an attachment instead.
*/
@Parameter
private String classifier;
/**
* Classifier which is used for the client artifact.
*
* @since 3.0.0
*/
@Parameter( defaultValue = DEFAULT_CLIENT_CLASSIFIER )
private String clientClassifier;
/**
* You can define the location of ejb-jar.xml file.
*/
@Parameter( defaultValue = DEFAULT_EJBJAR )
private String ejbJar;
/**
* Whether the EJB client jar should be generated or not.
*/
@Parameter( defaultValue = "false" )
private boolean generateClient;
/**
* The files and directories to exclude from the client jar. Usage:
*
*
*
*
*
* Attribute is used only if client jar is generated.
* Default exclusions: **/*Bean.class, **/*CMP.class, **/*Session.class, **/package.html
*/
@Parameter
private List clientExcludes;
/**
* The files and directories to include in the client jar. Usage:
*
*
*
*
*
* Attribute is used only if client jar is generated.
* Default value: **/**
*/
@Parameter
private List clientIncludes;
/**
* The files and directories to exclude from the main EJB jar. Usage:
*
*
*
*
*
* Default exclusions: META-INF/ejb-jar.xml, **/package.html
*/
@Parameter
private List excludes;
/**
* The Maven project.
*/
@Parameter( defaultValue = "${project}", readonly = true, required = true )
private MavenProject project;
/**
* The Jar archiver.
*/
@Component( role = Archiver.class, hint = "jar" )
private JarArchiver jarArchiver;
/**
* What EJB version should the EJB Plugin generate? Valid values are "2.x", "3.x" or "4.x" (where x is a digit).
* When ejbVersion is "2.x", the ejb-jar.xml file is mandatory.
*
* Usage:
*
*
* <ejbVersion>3.0</ejbVersion>
*
*
* @since 2.1
*/
@Parameter( defaultValue = "3.1" )
private String ejbVersion;
/**
* The client Jar archiver.
*/
@Component( role = Archiver.class, hint = "jar" )
private JarArchiver clientJarArchiver;
/**
* The Maven project's helper.
*/
@Component
private MavenProjectHelper projectHelper;
/**
* The archive configuration to use. See Maven
* Archiver Reference.
*/
@Parameter
private MavenArchiveConfiguration archive = new MavenArchiveConfiguration();
/**
* To escape interpolated value with windows path. c:\foo\bar will be replaced with c:\\foo\\bar.
*
* @since 2.3
*/
@Parameter( defaultValue = "false" )
private boolean escapeBackslashesInFilePath;
/**
* An expression preceded with this String won't be interpolated. \${foo} will be replaced with ${foo}.
*
* @since 2.3
*/
@Parameter
protected String escapeString;
/**
* To filter the deployment descriptor.
*
* @since 2.3
*/
@Parameter( defaultValue = "false" )
private boolean filterDeploymentDescriptor;
/**
* Filters (properties files) to include during the interpolation of the deployment descriptor.
*
* @since 2.3
*/
@Parameter
private List filters;
/**
* @since 2.3
*/
@Component( role = MavenFileFilter.class, hint = "default" )
private MavenFileFilter mavenFileFilter;
/**
* @since 2.3
*/
@Parameter( defaultValue = "${session}", readonly = true, required = true )
private MavenSession session;
/**
* Timestamp for reproducible output archive entries, either formatted as ISO 8601
* yyyy-MM-dd'T'HH:mm:ssXXX or as an int representing seconds since the epoch (like
* SOURCE_DATE_EPOCH).
*
* @since 3.1.0
*/
@Parameter( defaultValue = "${project.build.outputTimestamp}" )
private String outputTimestamp;
private static final String EJB_TYPE = "ejb";
private static final String EJB_CLIENT_TYPE = "ejb-client";
/**
* Generates an EJB jar and optionally an ejb-client jar.
*/
public void execute()
throws MojoExecutionException
{
if ( !sourceDirectory.exists() )
{
getLog().warn( "The created EJB jar will be empty cause the " + sourceDirectory.getPath()
+ " did not exist." );
sourceDirectory.mkdirs();
}
File jarFile = generateEjb();
if ( hasClassifier() )
{
if ( !isClassifierValid() )
{
String message = "The given classifier '" + getClassifier() + "' is not valid.";
getLog().error( message );
throw new MojoExecutionException( message );
}
// TODO: We should check the attached artifacts to be sure we don't attach
// the same file twice...
projectHelper.attachArtifact( project, EJB_TYPE, getClassifier(), jarFile );
}
else
{
if ( projectHasAlreadySetAnArtifact() )
{
throw new MojoExecutionException( "You have to use a classifier "
+ "to attach supplemental artifacts to the project instead of replacing them." );
}
project.getArtifact().setFile( jarFile );
}
if ( generateClient )
{
File clientJarFile = generateEjbClient();
if ( hasClientClassifier() )
{
if ( !isClientClassifierValid() )
{
String message = "The given client classifier '" + getClientClassifier() + "' is not valid.";
getLog().error( message );
throw new MojoExecutionException( message );
}
projectHelper.attachArtifact( project, EJB_CLIENT_TYPE, getClientClassifier(), clientJarFile );
}
else
{
// FIXME: This does not make sense, cause a classifier for the client should always exist otherwise
// Failure!
projectHelper.attachArtifact( project, "ejb-client", getClientClassifier(), clientJarFile );
}
}
}
private boolean projectHasAlreadySetAnArtifact()
{
if ( getProject().getArtifact().getFile() != null )
{
return getProject().getArtifact().getFile().isFile();
}
else
{
return false;
}
}
private File generateEjb()
throws MojoExecutionException
{
File jarFile = EjbHelper.getJarFile( outputDirectory, jarName, getClassifier() );
getLog().info( "Building EJB " + jarName + " with EJB version " + ejbVersion );
MavenArchiver archiver = new MavenArchiver();
archiver.setArchiver( jarArchiver );
archiver.setCreatedBy( "Maven EJB Plugin", "org.apache.maven.plugins", "maven-ejb-plugin" );
archiver.setOutputFile( jarFile );
// configure for Reproducible Builds based on outputTimestamp value
archiver.configureReproducible( outputTimestamp );
File deploymentDescriptor = new File( sourceDirectory, ejbJar );
checkEJBVersionCompliance( deploymentDescriptor );
try
{
List defaultExcludes = Arrays.asList( ejbJar, "**/package.html" );
List defaultIncludes = DEFAULT_INCLUDES_LIST;
IncludesExcludes ie =
new IncludesExcludes( Collections.emptyList(), excludes, defaultIncludes, defaultExcludes );
archiver.getArchiver().addDirectory( sourceDirectory, ie.resultingIncludes(), ie.resultingExcludes() );
// FIXME: We should be able to filter more than just the deployment descriptor?
if ( deploymentDescriptor.exists() )
{
// EJB-34 Filter ejb-jar.xml
if ( filterDeploymentDescriptor )
{
filterDeploymentDescriptor( deploymentDescriptor );
}
archiver.getArchiver().addFile( deploymentDescriptor, ejbJar );
}
// create archive
archiver.createArchive( session, project, archive );
}
catch ( ArchiverException | ManifestException | IOException | DependencyResolutionRequiredException e )
{
throw new MojoExecutionException( "There was a problem creating the EJB archive: " + e.getMessage(), e );
}
catch ( MavenFilteringException e )
{
throw new MojoExecutionException( "There was a problem filtering the deployment descriptor: "
+ e.getMessage(), e );
}
return jarFile;
}
private File generateEjbClient()
throws MojoExecutionException
{
File clientJarFile = EjbHelper.getJarFile( outputDirectory, jarName, getClientClassifier() );
getLog().info( "Building EJB client " + clientJarFile.getPath() );
MavenArchiver clientArchiver = new MavenArchiver();
clientArchiver.setArchiver( clientJarArchiver );
clientArchiver.setCreatedBy( "Maven EJB Plugin", "org.apache.maven.plugins", "maven-ejb-plugin" );
clientArchiver.setOutputFile( clientJarFile );
// configure for Reproducible Builds based on outputTimestamp value
clientArchiver.configureReproducible( outputTimestamp );
try
{
List defaultExcludes = DEFAULT_CLIENT_EXCLUDES_LIST;
List defaultIncludes = DEFAULT_INCLUDES_LIST;
IncludesExcludes ie =
new IncludesExcludes( clientIncludes, clientExcludes, defaultIncludes, defaultExcludes );
clientArchiver.getArchiver().addDirectory( sourceDirectory, ie.resultingIncludes(),
ie.resultingExcludes() );
clientArchiver.createArchive( session, project, archive );
}
catch ( ArchiverException | ManifestException | IOException | DependencyResolutionRequiredException e )
{
throw new MojoExecutionException( "There was a problem creating the EJB client archive: " + e.getMessage(),
e );
}
return clientJarFile;
}
static void validateEjbVersion( String ejbVersion )
throws MojoExecutionException
{
if ( !ejbVersion.matches( "\\A[2-4]\\.[0-9]\\z" ) )
{
throw new MojoExecutionException( "ejbVersion is not valid: " + ejbVersion
+ ". Must be 2.x, 3.x or 4.x (where x is a digit)" );
}
}
private void checkEJBVersionCompliance( File deploymentDescriptor )
throws MojoExecutionException
{
validateEjbVersion( ejbVersion );
if ( ejbVersion.matches( "\\A2\\.[0-9]\\z" ) && !deploymentDescriptor.exists() )
{
throw new MojoExecutionException( "Error assembling EJB: " + ejbJar + " is required for ejbVersion 2.x" );
}
}
private void filterDeploymentDescriptor( File deploymentDescriptor )
throws MavenFilteringException, IOException
{
getLog().debug( "Filtering deployment descriptor." );
MavenResourcesExecution mavenResourcesExecution = new MavenResourcesExecution();
mavenResourcesExecution.setEscapeString( escapeString );
List filterWrappers =
mavenFileFilter.getDefaultFilterWrappers( project, filters, escapeBackslashesInFilePath, this.session,
mavenResourcesExecution );
// Create a temporary file that we can copy-and-filter
File unfilteredDeploymentDescriptor = new File( sourceDirectory, ejbJar + ".unfiltered" );
FileUtils.copyFile( deploymentDescriptor, unfilteredDeploymentDescriptor );
mavenFileFilter.copyFile( unfilteredDeploymentDescriptor, deploymentDescriptor, true, filterWrappers,
getEncoding( unfilteredDeploymentDescriptor ) );
// Remove the temporary file
FileUtils.forceDelete( unfilteredDeploymentDescriptor );
}
/**
* @return true in case where the classifier is not {@code null} and contains something else than white spaces.
*/
private boolean hasClassifier()
{
return EjbHelper.hasClassifier( getClassifier() );
}
/**
* @return true in case where the clientClassifier is not {@code null} and contains something else than white
* spaces.
*/
private boolean hasClientClassifier()
{
return EjbHelper.hasClassifier( getClientClassifier() );
}
private boolean isClassifierValid()
{
return EjbHelper.isClassifierValid( getClassifier() );
}
private boolean isClientClassifierValid()
{
return EjbHelper.isClassifierValid( getClientClassifier() );
}
/**
* Get the encoding from an XML-file.
*
* @param xmlFile the XML file
* @return The encoding of the XML file, or UTF-8 if it's not specified in the file
* @throws IOException if an error occurred while reading the file
*/
private String getEncoding( File xmlFile )
throws IOException
{
try ( XmlStreamReader xmlReader = new XmlStreamReader( xmlFile ) )
{
final String encoding = xmlReader.getEncoding();
return encoding;
}
}
public String getClassifier()
{
return classifier;
}
public String getClientClassifier()
{
return clientClassifier;
}
public MavenProject getProject()
{
return project;
}
}
