diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingHelper.java')
-rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingHelper.java | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingHelper.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingHelper.java new file mode 100644 index 00000000..aea8fdbe --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingHelper.java @@ -0,0 +1,295 @@ +package org.apache.maven.project; + +/* + * 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.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.HashMap; +import java.util.HashSet; +import java.util.LinkedHashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import org.apache.maven.RepositoryUtils; +import org.apache.maven.artifact.Artifact; +import org.apache.maven.artifact.InvalidRepositoryException; +import org.apache.maven.artifact.repository.ArtifactRepository; +import org.apache.maven.classrealm.ClassRealmManager; +import org.apache.maven.model.Build; +import org.apache.maven.model.Extension; +import org.apache.maven.model.Model; +import org.apache.maven.model.Plugin; +import org.apache.maven.model.Repository; +import org.apache.maven.plugin.ExtensionRealmCache; +import org.apache.maven.plugin.MavenPluginManager; +import org.apache.maven.plugin.PluginManagerException; +import org.apache.maven.plugin.PluginResolutionException; +import org.apache.maven.plugin.version.PluginVersionResolutionException; +import org.apache.maven.repository.RepositorySystem; +import org.codehaus.plexus.PlexusContainer; +import org.codehaus.plexus.classworlds.realm.ClassRealm; +import org.codehaus.plexus.component.annotations.Component; +import org.codehaus.plexus.component.annotations.Requirement; +import org.codehaus.plexus.logging.Logger; +import org.eclipse.aether.graph.DependencyFilter; +import org.eclipse.aether.util.filter.ExclusionsDependencyFilter; + +/** + * Assists the project builder. <strong>Warning:</strong> This is an internal utility class that is only public for + * technical reasons, it is not part of the public API. In particular, this class can be changed or deleted without + * prior notice. + * + * @author Benjamin Bentmann + */ +@Component( role = ProjectBuildingHelper.class ) +public class DefaultProjectBuildingHelper + implements ProjectBuildingHelper +{ + + @Requirement + private Logger logger; + + @Requirement + private PlexusContainer container; + + @Requirement + private ClassRealmManager classRealmManager; + + @Requirement + private ProjectRealmCache projectRealmCache; + + @Requirement + private RepositorySystem repositorySystem; + + @Requirement + private MavenPluginManager pluginManager; + + public List<ArtifactRepository> createArtifactRepositories( List<Repository> pomRepositories, + List<ArtifactRepository> externalRepositories, + ProjectBuildingRequest request ) + throws InvalidRepositoryException + { + List<ArtifactRepository> internalRepositories = new ArrayList<ArtifactRepository>(); + + for ( Repository repository : pomRepositories ) + { + internalRepositories.add( repositorySystem.buildArtifactRepository( repository ) ); + } + + repositorySystem.injectMirror( request.getRepositorySession(), internalRepositories ); + + repositorySystem.injectProxy( request.getRepositorySession(), internalRepositories ); + + repositorySystem.injectAuthentication( request.getRepositorySession(), internalRepositories ); + + List<ArtifactRepository> dominantRepositories; + List<ArtifactRepository> recessiveRepositories; + + if ( ProjectBuildingRequest.RepositoryMerging.REQUEST_DOMINANT.equals( request.getRepositoryMerging() ) ) + { + dominantRepositories = externalRepositories; + recessiveRepositories = internalRepositories; + } + else + { + dominantRepositories = internalRepositories; + recessiveRepositories = externalRepositories; + } + + List<ArtifactRepository> artifactRepositories = new ArrayList<ArtifactRepository>(); + Collection<String> repoIds = new HashSet<String>(); + + if ( dominantRepositories != null ) + { + for ( ArtifactRepository repository : dominantRepositories ) + { + repoIds.add( repository.getId() ); + artifactRepositories.add( repository ); + } + } + + if ( recessiveRepositories != null ) + { + for ( ArtifactRepository repository : recessiveRepositories ) + { + if ( repoIds.add( repository.getId() ) ) + { + artifactRepositories.add( repository ); + } + } + } + + artifactRepositories = repositorySystem.getEffectiveRepositories( artifactRepositories ); + + return artifactRepositories; + } + + public synchronized ProjectRealmCache.CacheRecord createProjectRealm( MavenProject project, Model model, + ProjectBuildingRequest request ) + throws PluginResolutionException, PluginVersionResolutionException, PluginManagerException + { + ClassRealm projectRealm; + + List<Plugin> extensionPlugins = new ArrayList<Plugin>(); + + Build build = model.getBuild(); + + if ( build != null ) + { + for ( Extension extension : build.getExtensions() ) + { + Plugin plugin = new Plugin(); + plugin.setGroupId( extension.getGroupId() ); + plugin.setArtifactId( extension.getArtifactId() ); + plugin.setVersion( extension.getVersion() ); + extensionPlugins.add( plugin ); + } + + for ( Plugin plugin : build.getPlugins() ) + { + if ( plugin.isExtensions() ) + { + extensionPlugins.add( plugin ); + } + } + } + + if ( extensionPlugins.isEmpty() ) + { + if ( logger.isDebugEnabled() ) + { + logger.debug( "Extension realms for project " + model.getId() + ": (none)" ); + } + + return new ProjectRealmCache.CacheRecord( null, null ); + } + + List<ClassRealm> extensionRealms = new ArrayList<ClassRealm>(); + + Map<ClassRealm, List<String>> exportedPackages = new HashMap<ClassRealm, List<String>>(); + + Map<ClassRealm, List<String>> exportedArtifacts = new HashMap<ClassRealm, List<String>>(); + + List<Artifact> publicArtifacts = new ArrayList<Artifact>(); + + for ( Plugin plugin : extensionPlugins ) + { + ExtensionRealmCache.CacheRecord recordRealm = + pluginManager.setupExtensionsRealm( project, plugin, request.getRepositorySession() ); + + final ClassRealm extensionRealm = recordRealm.realm; + final ExtensionDescriptor extensionDescriptor = recordRealm.desciptor; + final List<Artifact> artifacts = recordRealm.artifacts; + + extensionRealms.add( extensionRealm ); + if ( extensionDescriptor != null ) + { + exportedPackages.put( extensionRealm, extensionDescriptor.getExportedPackages() ); + exportedArtifacts.put( extensionRealm, extensionDescriptor.getExportedArtifacts() ); + } + + if ( !plugin.isExtensions() && artifacts.size() == 2 && artifacts.get( 0 ).getFile() != null + && "plexus-utils".equals( artifacts.get( 1 ).getArtifactId() ) ) + { + /* + * This is purely for backward-compat with 2.x where <extensions> consisting of a single artifact where + * loaded into the core and hence available to plugins, in contrast to bigger extensions that were + * loaded into a dedicated realm which is invisible to plugins (MNG-2749). + */ + publicArtifacts.add( artifacts.get( 0 ) ); + } + } + + if ( logger.isDebugEnabled() ) + { + logger.debug( "Extension realms for project " + model.getId() + ": " + extensionRealms ); + } + + ProjectRealmCache.Key projectRealmKey = projectRealmCache.createKey( extensionRealms ); + + ProjectRealmCache.CacheRecord record = projectRealmCache.get( projectRealmKey ); + + if ( record == null ) + { + projectRealm = classRealmManager.createProjectRealm( model, toAetherArtifacts( publicArtifacts ) ); + + Set<String> exclusions = new LinkedHashSet<String>(); + + for ( ClassRealm extensionRealm : extensionRealms ) + { + List<String> excludes = exportedArtifacts.get( extensionRealm ); + + if ( excludes != null ) + { + exclusions.addAll( excludes ); + } + + List<String> exports = exportedPackages.get( extensionRealm ); + + if ( exports == null || exports.isEmpty() ) + { + /* + * Most existing extensions don't define exported packages, i.e. no classes are to be exposed to + * plugins, yet the components provided by the extension (e.g. artifact handlers) must be + * accessible, i.e. we still must import the extension realm into the project realm. + */ + exports = Arrays.asList( extensionRealm.getId() ); + } + + for ( String export : exports ) + { + projectRealm.importFrom( extensionRealm, export ); + } + } + + DependencyFilter extensionArtifactFilter = null; + if ( !exclusions.isEmpty() ) + { + extensionArtifactFilter = new ExclusionsDependencyFilter( exclusions ); + } + + record = projectRealmCache.put( projectRealmKey, projectRealm, extensionArtifactFilter ); + } + + projectRealmCache.register( project, projectRealmKey, record ); + + return record; + } + + public void selectProjectRealm( MavenProject project ) + { + ClassLoader projectRealm = project.getClassRealm(); + + if ( projectRealm == null ) + { + projectRealm = classRealmManager.getCoreRealm(); + } + + Thread.currentThread().setContextClassLoader( projectRealm ); + } + + private List<org.eclipse.aether.artifact.Artifact> toAetherArtifacts( final List<Artifact> pluginArtifacts ) + { + return new ArrayList<org.eclipse.aether.artifact.Artifact>( RepositoryUtils.toArtifacts( pluginArtifacts ) ); + } + +} |