001package org.apache.maven.artifact.handler.manager;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.util.Map;
023import java.util.Set;
024import java.util.concurrent.ConcurrentHashMap;
025
026import org.apache.maven.artifact.handler.ArtifactHandler;
027import org.apache.maven.artifact.handler.DefaultArtifactHandler;
028import org.codehaus.plexus.component.annotations.Component;
029import org.codehaus.plexus.component.annotations.Requirement;
030
031/**
032 * @author Jason van Zyl
033 */
034@Component( role = ArtifactHandlerManager.class )
035public class DefaultArtifactHandlerManager
036    implements ArtifactHandlerManager
037{
038
039    @Requirement( role = ArtifactHandler.class )
040    private Map<String, ArtifactHandler> artifactHandlers;
041
042    private Map<String, ArtifactHandler> unmanagedHandlers = new ConcurrentHashMap<String, ArtifactHandler>();
043
044    public ArtifactHandler getArtifactHandler( String type )
045    {
046        ArtifactHandler handler = unmanagedHandlers.get( type );
047
048        if ( handler == null )
049        {
050            handler = artifactHandlers.get( type );
051
052            if ( handler == null )
053            {
054                handler = new DefaultArtifactHandler( type );
055            }
056        }
057
058        return handler;
059    }
060
061    public void addHandlers( Map<String, ArtifactHandler> handlers )
062    {
063        // legacy support for maven-gpg-plugin:1.0
064        unmanagedHandlers.putAll( handlers );
065    }
066
067    @Deprecated
068    public Set<String> getHandlerTypes()
069    {
070        return artifactHandlers.keySet();
071    }
072
073}