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();
}
}
}
}