forked from eclipse-tycho/tycho
/
TargetPlatformMojo.java
165 lines (141 loc) · 7.72 KB
/
TargetPlatformMojo.java
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/*******************************************************************************
* Copyright (c) 2013, 2021 SAP AG and others.
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* SAP AG - initial API and implementation
* Christoph Läubrich - Issue #462 - Delay Pom considered items to the final Target Platform calculation
*******************************************************************************/
package org.eclipse.tycho.target;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.LegacySupport;
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.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.logging.Logger;
import org.eclipse.sisu.equinox.EquinoxServiceFactory;
import org.eclipse.tycho.ReactorProject;
import org.eclipse.tycho.ReactorProjectIdentities;
import org.eclipse.tycho.core.DependencyResolver;
import org.eclipse.tycho.core.osgitools.DefaultReactorProject;
import org.eclipse.tycho.core.resolver.DefaultDependencyResolverFactory;
import org.eclipse.tycho.p2.repository.GAV;
import org.eclipse.tycho.p2.repository.RepositoryLayoutHelper;
import org.eclipse.tycho.p2.target.facade.PomDependencyCollector;
import org.eclipse.tycho.repository.registry.facade.ReactorRepositoryManagerFacade;
@Mojo(name = "target-platform", threadSafe = true)
public class TargetPlatformMojo extends AbstractMojo {
private static final Object LOCK = new Object();
// TODO site doc (including steps & parameters handled in afterProjectsRead?)
@Parameter(property = "project", readonly = true)
private MavenProject project;
@Component
private EquinoxServiceFactory osgiServices;
@Component
private Logger logger;
@Component
private LegacySupport legacySupport;
@Component
private DefaultDependencyResolverFactory dependencyResolverLocator;
@Override
public void execute() throws MojoExecutionException, MojoFailureException {
synchronized (LOCK) {
ReactorRepositoryManagerFacade repositoryManager = osgiServices
.getService(ReactorRepositoryManagerFacade.class);
List<ReactorProjectIdentities> upstreamProjects = getReferencedTychoProjects();
ReactorProject reactorProject = DefaultReactorProject.adapt(project);
MavenSession session = legacySupport.getSession();
DependencyResolver dependencyResolver = dependencyResolverLocator.lookupDependencyResolver(project);
PomDependencyCollector pomDependenciesCollector = dependencyResolver.resolvePomDependencies(session,
project);
repositoryManager.computeFinalTargetPlatform(reactorProject, upstreamProjects, pomDependenciesCollector);
}
}
private List<ReactorProjectIdentities> getReferencedTychoProjects() throws MojoExecutionException {
List<ReactorProjectIdentities> result = new ArrayList<>();
HashSet<GAV> considered = new HashSet<>();
getTransitivelyReferencedTychoProjects(project.getProjectReferences().values(), considered, result);
return result;
}
private void getTransitivelyReferencedTychoProjects(Collection<MavenProject> candidateProjects,
HashSet<GAV> consideredProjects, List<ReactorProjectIdentities> result) throws MojoExecutionException {
for (MavenProject reactorProject : candidateProjects) {
if (!enterProject(reactorProject, consideredProjects)) {
continue;
}
// check for target platform relevant build results (registered by either p2-metadata-default or attach-artifacts)
File metadataXml = getAttachedArtifact(reactorProject, RepositoryLayoutHelper.CLASSIFIER_P2_METADATA);
if (metadataXml == null) {
continue;
}
File artifactXml = getAttachedArtifact(reactorProject, RepositoryLayoutHelper.CLASSIFIER_P2_ARTIFACTS);
// found a Tycho project -> include in target platform
logger.debug("Adding reactor project: " + reactorProject.toString());
ReactorProject tychoReactorProject = DefaultReactorProject.adapt(reactorProject);
verifyIndexFileLocations(tychoReactorProject, metadataXml, artifactXml);
result.add(tychoReactorProject.getIdentities());
getTransitivelyReferencedTychoProjects(reactorProject.getProjectReferences().values(), consideredProjects,
result);
}
}
private boolean enterProject(MavenProject project, HashSet<GAV> consideredProjects) {
GAV projectGav = new GAV(project.getGroupId(), project.getArtifactId(), project.getVersion());
if (consideredProjects.contains(projectGav)) {
return false;
} else {
consideredProjects.add(projectGav);
return true;
}
}
private static File getAttachedArtifact(MavenProject project, String classifier) {
for (Artifact artifact : project.getAttachedArtifacts()) {
if (classifier.equals(artifact.getClassifier())) {
return artifact.getFile();
}
}
return null;
}
private static void verifyIndexFileLocations(ReactorProject project, File metadataXml, File artifactXml)
throws MojoExecutionException {
verifyArtifactLocationInTargetFolder(project, RepositoryLayoutHelper.CLASSIFIER_P2_METADATA,
RepositoryLayoutHelper.FILE_NAME_P2_METADATA, metadataXml);
verifyArtifactLocationInTargetFolder(project, RepositoryLayoutHelper.CLASSIFIER_P2_ARTIFACTS,
RepositoryLayoutHelper.FILE_NAME_P2_ARTIFACTS, artifactXml);
verifyFilePresenceInTargetFolder(project, RepositoryLayoutHelper.FILE_NAME_LOCAL_ARTIFACTS);
}
private static void verifyArtifactLocationInTargetFolder(ReactorProject project, String artifactClassifier,
String expectedPathInTarget, File actualLocation) throws MojoExecutionException {
File expectedLocation = project.getBuildDirectory().getChild(expectedPathInTarget);
if (actualLocation == null) {
throw new MojoExecutionException("Unexpected build result of " + project + ": Artifact with classifier '"
+ artifactClassifier + "' expected at location \"" + expectedLocation + "\", but is missing");
} else if (!(expectedLocation.equals(actualLocation.getAbsoluteFile()))) {
throw new MojoExecutionException("Unexpected build result of " + project + ": Artifact with classifier '"
+ artifactClassifier + "' expected at location \"" + expectedLocation + "\", but is at \""
+ actualLocation.getAbsolutePath() + "\"");
}
}
private static void verifyFilePresenceInTargetFolder(ReactorProject project, String expectedPathInTarget)
throws MojoExecutionException {
File expectedLocation = project.getBuildDirectory().getChild(expectedPathInTarget);
if (!expectedLocation.isFile()) {
throw new MojoExecutionException(
"Unexpected build result of " + project + ": File \"" + expectedLocation + "\" is missing");
}
}
}