diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/DefaultPluginDescriptorCache.java')
| -rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/DefaultPluginDescriptorCache.java | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/DefaultPluginDescriptorCache.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/DefaultPluginDescriptorCache.java new file mode 100644 index 00000000..4927726b --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/DefaultPluginDescriptorCache.java @@ -0,0 +1,219 @@ +package org.apache.maven.plugin; + +/* + * 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.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.maven.artifact.ArtifactUtils; +import org.apache.maven.model.Plugin; +import org.apache.maven.plugin.descriptor.MojoDescriptor; +import org.apache.maven.plugin.descriptor.PluginDescriptor; +import org.codehaus.plexus.component.annotations.Component; +import org.codehaus.plexus.component.repository.ComponentDescriptor; +import org.eclipse.aether.RepositorySystemSession; +import org.eclipse.aether.repository.LocalRepository; +import org.eclipse.aether.repository.RemoteRepository; +import org.eclipse.aether.repository.WorkspaceRepository; + +/** + * Caches raw plugin descriptors. A raw plugin descriptor is a descriptor that has just been extracted from the plugin + * artifact and does not contain any runtime specific data. The cache must not be used for descriptors that hold runtime + * data like the plugin realm. <strong>Warning:</strong> This is an internal utility interface that is only public for + * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without + * prior notice. + * + * @since 3.0 + * @author Benjamin Bentmann + */ +@Component( role = PluginDescriptorCache.class ) +public class DefaultPluginDescriptorCache + implements PluginDescriptorCache +{ + + private Map<Key, PluginDescriptor> descriptors = new HashMap<Key, PluginDescriptor>( 128 ); + + public void flush() + { + descriptors.clear(); + } + + public Key createKey( Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session ) + { + return new CacheKey( plugin, repositories, session ); + } + + public PluginDescriptor get( Key cacheKey ) + { + return clone( descriptors.get( cacheKey ) ); + } + + public void put( Key cacheKey, PluginDescriptor pluginDescriptor ) + { + descriptors.put( cacheKey, clone( pluginDescriptor ) ); + } + + protected static PluginDescriptor clone( PluginDescriptor original ) + { + PluginDescriptor clone = null; + + if ( original != null ) + { + clone = new PluginDescriptor(); + + clone.setGroupId( original.getGroupId() ); + clone.setArtifactId( original.getArtifactId() ); + clone.setVersion( original.getVersion() ); + clone.setGoalPrefix( original.getGoalPrefix() ); + clone.setInheritedByDefault( original.isInheritedByDefault() ); + + clone.setName( original.getName() ); + clone.setDescription( original.getDescription() ); + clone.setRequiredMavenVersion( original.getRequiredMavenVersion() ); + + clone.setPluginArtifact( ArtifactUtils.copyArtifactSafe( original.getPluginArtifact() ) ); + + clone.setComponents( clone( original.getMojos(), clone ) ); + clone.setId( original.getId() ); + clone.setIsolatedRealm( original.isIsolatedRealm() ); + clone.setSource( original.getSource() ); + + clone.setDependencies( original.getDependencies() ); + } + + return clone; + } + + private static List<ComponentDescriptor<?>> clone( List<MojoDescriptor> mojos, PluginDescriptor pluginDescriptor ) + { + List<ComponentDescriptor<?>> clones = null; + + if ( mojos != null ) + { + clones = new ArrayList<ComponentDescriptor<?>>( mojos.size() ); + + for ( MojoDescriptor mojo : mojos ) + { + MojoDescriptor clone = mojo.clone(); + clone.setPluginDescriptor( pluginDescriptor ); + clones.add( clone ); + } + } + + return clones; + } + + private static final class CacheKey + implements Key + { + + private final String groupId; + + private final String artifactId; + + private final String version; + + private final WorkspaceRepository workspace; + + private final LocalRepository localRepo; + + private final List<RemoteRepository> repositories; + + private final int hashCode; + + public CacheKey( Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session ) + { + groupId = plugin.getGroupId(); + artifactId = plugin.getArtifactId(); + version = plugin.getVersion(); + + workspace = CacheUtils.getWorkspace( session ); + localRepo = session.getLocalRepository(); + this.repositories = new ArrayList<RemoteRepository>( repositories.size() ); + for ( RemoteRepository repository : repositories ) + { + if ( repository.isRepositoryManager() ) + { + this.repositories.addAll( repository.getMirroredRepositories() ); + } + else + { + this.repositories.add( repository ); + } + } + + int hash = 17; + hash = hash * 31 + groupId.hashCode(); + hash = hash * 31 + artifactId.hashCode(); + hash = hash * 31 + version.hashCode(); + hash = hash * 31 + hash( workspace ); + hash = hash * 31 + localRepo.hashCode(); + hash = hash * 31 + CacheUtils.repositoriesHashCode( repositories ); + this.hashCode = hash; + } + + @Override + public int hashCode() + { + return hashCode; + } + + @Override + public boolean equals( Object obj ) + { + if ( this == obj ) + { + return true; + } + + if ( !( obj instanceof CacheKey ) ) + { + return false; + } + + CacheKey that = (CacheKey) obj; + + return eq( this.artifactId, that.artifactId ) && eq( this.groupId, that.groupId ) + && eq( this.version, that.version ) && eq( this.localRepo, that.localRepo ) + && eq( this.workspace, that.workspace ) + && CacheUtils.repositoriesEquals( this.repositories, that.repositories ); + } + + @Override + public String toString() + { + return groupId + ':' + artifactId + ':' + version; + } + + private static int hash( Object obj ) + { + return obj != null ? obj.hashCode() : 0; + } + + private static <T> boolean eq( T s1, T s2 ) + { + return s1 != null ? s1.equals( s2 ) : s2 == null; + } + + } + +} |