| /* |
| * 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. |
| */ |
| package org.apache.maven.plugin; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| 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 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); |
| } |
| |
| @Override |
| public CacheRecord get(Key key, PluginRealmSupplier supplier) |
| throws PluginResolutionException, PluginContainerException { |
| try { |
| return cache.computeIfAbsent(key, k -> { |
| try { |
| return supplier.load(); |
| } catch (PluginResolutionException | PluginContainerException e) { |
| throw new RuntimeException(e); |
| } |
| }); |
| } catch (RuntimeException e) { |
| if (e.getCause() instanceof PluginResolutionException) { |
| throw (PluginResolutionException) e.getCause(); |
| } |
| if (e.getCause() instanceof PluginContainerException) { |
| throw (PluginContainerException) e.getCause(); |
| } |
| throw e; |
| } |
| } |
| |
| 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(); |
| } |
| } |