blob: 3dc5c228dd13014b3599a7d6b36e76c03f2ae77a [file] [log] [blame]
/**
* 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.mercury.repository.metadata;
import java.util.Iterator;
import java.util.List;
import org.codehaus.plexus.lang.DefaultLanguage;
import org.codehaus.plexus.lang.Language;
/**
* removes a Plugin from Metadata
*
* @author Oleg Gusakov
* @version $Id$
*/
public class RemovePluginOperation
implements MetadataOperation
{
private static final Language lang = new DefaultLanguage( RemovePluginOperation.class );
private Plugin plugin;
/**
* @throws MetadataException
*/
public RemovePluginOperation( PluginOperand data )
throws MetadataException
{
setOperand( data );
}
public void setOperand( Object data )
throws MetadataException
{
if ( data == null || !( data instanceof PluginOperand ) )
throw new MetadataException( lang.getMessage( "bad.operand", "PluginOperand", data == null ? "null" : data
.getClass().getName() ) );
plugin = ( (PluginOperand) data ).getOperand();
}
/**
* remove version to the in-memory metadata instance
*
* @param metadata
* @param version
* @return
*/
public boolean perform( Metadata metadata )
throws MetadataException
{
if ( metadata == null )
return false;
List<Plugin> plugins = metadata.getPlugins();
if ( plugins != null && plugins.size() > 0 )
{
for ( Iterator<Plugin> pi = plugins.iterator(); pi.hasNext(); )
{
Plugin p = pi.next();
if ( p.getArtifactId().equals( plugin.getArtifactId() ) )
{
pi.remove();
return true;
}
}
}
return false;
}
}