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1   package org.apache.maven.artifact.handler.manager;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.Map;
23  import java.util.Set;
24  import java.util.concurrent.ConcurrentHashMap;
25  
26  import org.apache.maven.artifact.handler.ArtifactHandler;
27  import org.apache.maven.artifact.handler.DefaultArtifactHandler;
28  import org.codehaus.plexus.component.annotations.Component;
29  import org.codehaus.plexus.component.annotations.Requirement;
30  
31  /**
32   * @author Jason van Zyl
33   * @version $Id: DefaultArtifactHandlerManager.java 990345 2010-08-28 11:29:44Z bentmann $
34   */
35  @Component( role = ArtifactHandlerManager.class )
36  public class DefaultArtifactHandlerManager
37      implements ArtifactHandlerManager
38  {
39  
40      @Requirement( role = ArtifactHandler.class )
41      private Map<String, ArtifactHandler> artifactHandlers;
42  
43      private Map<String, ArtifactHandler> unmanagedHandlers = new ConcurrentHashMap<String, ArtifactHandler>();
44  
45      public ArtifactHandler getArtifactHandler( String type )
46      {
47          ArtifactHandler handler = unmanagedHandlers.get( type );
48  
49          if ( handler == null )
50          {
51              handler = artifactHandlers.get( type );
52  
53              if ( handler == null )
54              {
55                  handler = new DefaultArtifactHandler( type );
56              }
57          }
58  
59          return handler;
60      }
61  
62      public void addHandlers( Map<String, ArtifactHandler> handlers )
63      {
64          // legacy support for maven-gpg-plugin:1.0
65          unmanagedHandlers.putAll( handlers );
66      }
67  
68      @Deprecated
69      public Set<String> getHandlerTypes()
70      {
71          return artifactHandlers.keySet();
72      }
73  
74  }