org.springframework.boot.maven.AbstractPackagerMojo Maven / Gradle / Ivy
/*
* Copyright 2012-2023 the original author or authors.
*
* Licensed 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
*
* https://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.
*/
package org.springframework.boot.maven;
import java.io.File;
import java.io.FileInputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.function.Supplier;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Dependency;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.MavenProjectHelper;
import org.apache.maven.shared.artifact.filter.collection.ArtifactsFilter;
import org.apache.maven.shared.artifact.filter.collection.ScopeFilter;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.springframework.boot.loader.tools.Layout;
import org.springframework.boot.loader.tools.LayoutFactory;
import org.springframework.boot.loader.tools.Layouts.Expanded;
import org.springframework.boot.loader.tools.Layouts.Jar;
import org.springframework.boot.loader.tools.Layouts.None;
import org.springframework.boot.loader.tools.Layouts.War;
import org.springframework.boot.loader.tools.Libraries;
import org.springframework.boot.loader.tools.Packager;
import org.springframework.boot.loader.tools.layer.CustomLayers;
/**
* Abstract base class for classes that work with an {@link Packager}.
*
* @author Phillip Webb
* @author Scott Frederick
* @since 2.3.0
*/
public abstract class AbstractPackagerMojo extends AbstractDependencyFilterMojo {
private static final org.springframework.boot.loader.tools.Layers IMPLICIT_LAYERS = org.springframework.boot.loader.tools.Layers.IMPLICIT;
/**
* The Maven project.
* @since 1.0.0
*/
@Parameter(defaultValue = "${project}", readonly = true, required = true)
protected MavenProject project;
/**
* The Maven session.
* @since 2.4.0
*/
@Parameter(defaultValue = "${session}", readonly = true, required = true)
protected MavenSession session;
/**
* Maven project helper utils.
* @since 1.0.0
*/
@Component
protected MavenProjectHelper projectHelper;
/**
* The name of the main class. If not specified the first compiled class found that
* contains a {@code main} method will be used.
* @since 1.0.0
*/
@Parameter
private String mainClass;
/**
* Exclude Spring Boot devtools from the repackaged archive.
* @since 1.3.0
*/
@Parameter(property = "spring-boot.repackage.excludeDevtools", defaultValue = "true")
private boolean excludeDevtools = true;
/**
* Include system scoped dependencies.
* @since 1.4.0
*/
@Parameter(defaultValue = "false")
public boolean includeSystemScope;
/**
* Layer configuration with options to disable layer creation, exclude layer tools
* jar, and provide a custom layers configuration file.
* @since 2.3.0
*/
@Parameter
private Layers layers;
/**
* Return the type of archive that should be packaged by this MOJO.
* @return {@code null}, indicating a layout type will be chosen based on the original
* archive type
*/
protected LayoutType getLayout() {
return null;
}
/**
* Return the layout factory that will be used to determine the {@link LayoutType} if
* no explicit layout is set.
* @return {@code null}, indicating a default layout factory will be chosen
*/
protected LayoutFactory getLayoutFactory() {
return null;
}
/**
* Return a {@link Packager} configured for this MOJO.
* @param the packager type
* @param supplier a packager supplier
* @return a configured packager
*/
protected
P getConfiguredPackager(Supplier
supplier) {
P packager = supplier.get();
packager.setLayoutFactory(getLayoutFactory());
packager.addMainClassTimeoutWarningListener(new LoggingMainClassTimeoutWarningListener(this::getLog));
packager.setMainClass(this.mainClass);
LayoutType layout = getLayout();
if (layout != null) {
getLog().info("Layout: " + layout);
packager.setLayout(layout.layout());
}
if (this.layers == null) {
packager.setLayers(IMPLICIT_LAYERS);
}
else if (this.layers.isEnabled()) {
packager.setLayers((this.layers.getConfiguration() != null)
? getCustomLayers(this.layers.getConfiguration()) : IMPLICIT_LAYERS);
packager.setIncludeRelevantJarModeJars(this.layers.isIncludeLayerTools());
}
return packager;
}
private CustomLayers getCustomLayers(File configuration) {
try {
Document document = getDocumentIfAvailable(configuration);
return new CustomLayersProvider().getLayers(document);
}
catch (Exception ex) {
throw new IllegalStateException(
"Failed to process custom layers configuration " + configuration.getAbsolutePath(), ex);
}
}
private Document getDocumentIfAvailable(File xmlFile) throws Exception {
InputSource inputSource = new InputSource(new FileInputStream(xmlFile));
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
return builder.parse(inputSource);
}
/**
* Return {@link Libraries} that the packager can use.
* @param unpacks any libraries that require unpack
* @return the libraries to use
* @throws MojoExecutionException on execution error
*/
protected final Libraries getLibraries(Collection unpacks) throws MojoExecutionException {
Set artifacts = this.project.getArtifacts();
Set includedArtifacts = filterDependencies(artifacts, getAdditionalFilters());
return new ArtifactsLibraries(artifacts, includedArtifacts, this.session.getProjects(), unpacks, getLog());
}
private ArtifactsFilter[] getAdditionalFilters() {
List filters = new ArrayList<>();
if (this.excludeDevtools) {
Exclude exclude = new Exclude();
exclude.setGroupId("org.springframework.boot");
exclude.setArtifactId("spring-boot-devtools");
ExcludeFilter filter = new ExcludeFilter(exclude);
filters.add(filter);
}
if (!this.includeSystemScope) {
filters.add(new ScopeFilter(null, Artifact.SCOPE_SYSTEM));
}
return filters.toArray(new ArtifactsFilter[0]);
}
/**
* Return the source {@link Artifact} to repackage. If a classifier is specified and
* an artifact with that classifier exists, it is used. Otherwise, the main artifact
* is used.
* @param classifier the artifact classifier
* @return the source artifact to repackage
*/
protected Artifact getSourceArtifact(String classifier) {
Artifact sourceArtifact = getArtifact(classifier);
return (sourceArtifact != null) ? sourceArtifact : this.project.getArtifact();
}
private Artifact getArtifact(String classifier) {
if (classifier != null) {
for (Artifact attachedArtifact : this.project.getAttachedArtifacts()) {
if (classifier.equals(attachedArtifact.getClassifier()) && attachedArtifact.getFile() != null
&& attachedArtifact.getFile().isFile()) {
return attachedArtifact;
}
}
}
return null;
}
protected File getTargetFile(String finalName, String classifier, File targetDirectory) {
String classifierSuffix = (classifier != null) ? classifier.trim() : "";
if (!classifierSuffix.isEmpty() && !classifierSuffix.startsWith("-")) {
classifierSuffix = "-" + classifierSuffix;
}
if (!targetDirectory.exists()) {
targetDirectory.mkdirs();
}
return new File(targetDirectory,
finalName + classifierSuffix + "." + this.project.getArtifact().getArtifactHandler().getExtension());
}
/**
* Archive layout types.
*/
public enum LayoutType {
/**
* Jar Layout.
*/
JAR(new Jar()),
/**
* War Layout.
*/
WAR(new War()),
/**
* Zip Layout.
*/
ZIP(new Expanded()),
/**
* Directory Layout.
*/
DIR(new Expanded()),
/**
* No Layout.
*/
NONE(new None());
private final Layout layout;
LayoutType(Layout layout) {
this.layout = layout;
}
public Layout layout() {
return this.layout;
}
}
}