| 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.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.apache.maven.RepositoryUtils; |
| import org.apache.maven.artifact.Artifact; |
| import org.apache.maven.model.Plugin; |
| import org.apache.maven.project.MavenProject; |
| import org.codehaus.plexus.classworlds.realm.ClassRealm; |
| import org.codehaus.plexus.classworlds.realm.NoSuchRealmException; |
| import org.codehaus.plexus.personality.plexus.lifecycle.phase.Disposable; |
| import org.eclipse.aether.RepositorySystemSession; |
| import org.eclipse.aether.graph.DependencyFilter; |
| import org.eclipse.aether.repository.LocalRepository; |
| import org.eclipse.aether.repository.RemoteRepository; |
| import org.eclipse.aether.repository.WorkspaceRepository; |
| |
| /** |
| * Default PluginCache implementation. Assumes cached data does not change. |
| */ |
| @Named |
| @Singleton |
| public class DefaultPluginRealmCache |
| implements PluginRealmCache, Disposable |
| { |
| /** |
| * CacheKey |
| */ |
| protected static class CacheKey |
| implements Key |
| { |
| |
| private final Plugin plugin; |
| |
| private final WorkspaceRepository workspace; |
| |
| private final LocalRepository localRepo; |
| |
| private final List<RemoteRepository> repositories; |
| |
| private final ClassLoader parentRealm; |
| |
| private final Map<String, ClassLoader> foreignImports; |
| |
| private final DependencyFilter filter; |
| |
| private final int hashCode; |
| |
| public CacheKey( Plugin plugin, ClassLoader parentRealm, Map<String, ClassLoader> foreignImports, |
| DependencyFilter dependencyFilter, List<RemoteRepository> repositories, |
| RepositorySystemSession session ) |
| { |
| this.plugin = plugin.clone(); |
| this.workspace = RepositoryUtils.getWorkspace( session ); |
| this.localRepo = session.getLocalRepository(); |
| this.repositories = new ArrayList<>( repositories.size() ); |
| for ( RemoteRepository repository : repositories ) |
| { |
| if ( repository.isRepositoryManager() ) |
| { |
| this.repositories.addAll( repository.getMirroredRepositories() ); |
| } |
| else |
| { |
| this.repositories.add( repository ); |
| } |
| } |
| this.parentRealm = parentRealm; |
| this.foreignImports = |
| ( foreignImports != null ) ? foreignImports : Collections.emptyMap(); |
| this.filter = dependencyFilter; |
| |
| int hash = 17; |
| hash = hash * 31 + CacheUtils.pluginHashCode( plugin ); |
| hash = hash * 31 + Objects.hashCode( workspace ); |
| hash = hash * 31 + Objects.hashCode( localRepo ); |
| hash = hash * 31 + RepositoryUtils.repositoriesHashCode( repositories ); |
| hash = hash * 31 + Objects.hashCode( parentRealm ); |
| hash = hash * 31 + this.foreignImports.hashCode(); |
| hash = hash * 31 + Objects.hashCode( dependencyFilter ); |
| this.hashCode = hash; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return plugin.getId(); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return hashCode; |
| } |
| |
| @Override |
| public boolean equals( Object o ) |
| { |
| if ( o == this ) |
| { |
| return true; |
| } |
| |
| if ( !( o instanceof CacheKey ) ) |
| { |
| return false; |
| } |
| |
| CacheKey that = (CacheKey) o; |
| |
| return parentRealm == that.parentRealm |
| && CacheUtils.pluginEquals( plugin, that.plugin ) |
| && Objects.equals( workspace, that.workspace ) |
| && Objects.equals( localRepo, that.localRepo ) |
| && RepositoryUtils.repositoriesEquals( this.repositories, that.repositories ) |
| && Objects.equals( filter, that.filter ) |
| && Objects.equals( foreignImports, that.foreignImports ); |
| } |
| } |
| |
| protected final Map<Key, CacheRecord> cache = new ConcurrentHashMap<>(); |
| |
| public Key createKey( Plugin plugin, ClassLoader parentRealm, Map<String, ClassLoader> foreignImports, |
| DependencyFilter dependencyFilter, List<RemoteRepository> repositories, |
| RepositorySystemSession session ) |
| { |
| return new CacheKey( plugin, parentRealm, foreignImports, dependencyFilter, repositories, session ); |
| } |
| |
| public CacheRecord get( Key key ) |
| { |
| return cache.get( key ); |
| } |
| |
| public CacheRecord put( Key key, ClassRealm pluginRealm, List<Artifact> pluginArtifacts ) |
| { |
| Objects.requireNonNull( pluginRealm, "pluginRealm cannot be null" ); |
| Objects.requireNonNull( pluginArtifacts, "pluginArtifacts cannot be null" ); |
| |
| if ( cache.containsKey( key ) ) |
| { |
| throw new IllegalStateException( "Duplicate plugin realm for plugin " + key ); |
| } |
| |
| CacheRecord record = new CacheRecord( pluginRealm, pluginArtifacts ); |
| |
| cache.put( key, record ); |
| |
| return record; |
| } |
| |
| public void flush() |
| { |
| for ( CacheRecord record : cache.values() ) |
| { |
| ClassRealm realm = record.getRealm(); |
| try |
| { |
| realm.getWorld().disposeRealm( realm.getId() ); |
| } |
| catch ( NoSuchRealmException e ) |
| { |
| // ignore |
| } |
| } |
| cache.clear(); |
| } |
| |
| protected static int pluginHashCode( Plugin plugin ) |
| { |
| return CacheUtils.pluginHashCode( plugin ); |
| } |
| |
| protected static boolean pluginEquals( Plugin a, Plugin b ) |
| { |
| return CacheUtils.pluginEquals( a, b ); |
| } |
| |
| public void register( MavenProject project, Key key, CacheRecord record ) |
| { |
| // default cache does not track plugin usage |
| } |
| |
| public void dispose() |
| { |
| flush(); |
| } |
| |
| } |