| 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 org.apache.maven.model.Plugin; |
| import org.apache.maven.plugin.descriptor.PluginDescriptor; |
| import org.codehaus.plexus.component.discovery.ComponentDiscoveryEvent; |
| import org.codehaus.plexus.component.discovery.ComponentDiscoveryListener; |
| import org.codehaus.plexus.component.repository.ComponentSetDescriptor; |
| import org.codehaus.plexus.logging.AbstractLogEnabled; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class MavenPluginCollector |
| extends AbstractLogEnabled |
| implements ComponentDiscoveryListener |
| { |
| |
| private Set pluginsInProcess = new HashSet(); |
| |
| private Map pluginDescriptors = new HashMap(); |
| |
| private Map pluginIdsByPrefix = new HashMap(); |
| |
| // ---------------------------------------------------------------------- |
| // Mojo discovery |
| // ---------------------------------------------------------------------- |
| public void componentDiscovered( ComponentDiscoveryEvent event ) |
| { |
| ComponentSetDescriptor componentSetDescriptor = event.getComponentSetDescriptor(); |
| |
| if ( componentSetDescriptor instanceof PluginDescriptor ) |
| { |
| PluginDescriptor pluginDescriptor = (PluginDescriptor) componentSetDescriptor; |
| |
| String key = PluginUtils.constructVersionedKey( pluginDescriptor ); |
| |
| if ( !pluginsInProcess.contains( key ) ) |
| { |
| pluginsInProcess.add( key ); |
| |
| pluginDescriptors.put( key, pluginDescriptor ); |
| |
| // TODO: throw an (not runtime) exception if there is a prefix overlap - means doing so elsewhere |
| // we also need to deal with multiple versions somehow - currently, first wins |
| if ( !pluginIdsByPrefix.containsKey( pluginDescriptor.getGoalPrefix() ) ) |
| { |
| pluginIdsByPrefix.put( pluginDescriptor.getGoalPrefix(), pluginDescriptor ); |
| } |
| } |
| } |
| } |
| |
| public PluginDescriptor getPluginDescriptor( Plugin plugin ) |
| { |
| String key = PluginUtils.constructVersionedKey( plugin ); |
| return (PluginDescriptor) pluginDescriptors.get( key ); |
| } |
| |
| public boolean isPluginInstalled( Plugin plugin ) |
| { |
| String key = PluginUtils.constructVersionedKey( plugin ); |
| return pluginDescriptors.containsKey( key ); |
| } |
| |
| public PluginDescriptor getPluginDescriptorForPrefix( String prefix ) |
| { |
| return (PluginDescriptor) pluginIdsByPrefix.get( prefix ); |
| } |
| |
| public void flushPluginDescriptor( Plugin plugin ) |
| { |
| String key = PluginUtils.constructVersionedKey( plugin ); |
| pluginsInProcess.remove( key ); |
| pluginDescriptors.remove( key ); |
| |
| for ( Iterator it = pluginIdsByPrefix.entrySet().iterator(); it.hasNext(); ) |
| { |
| Map.Entry entry = (Map.Entry) it.next(); |
| |
| if ( key.equals( PluginUtils.constructVersionedKey( (PluginDescriptor) entry.getValue() ) ) ) |
| { |
| it.remove(); |
| } |
| } |
| } |
| |
| } |