View Javadoc
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   */
34  @Component( role = ArtifactHandlerManager.class )
35  public class DefaultArtifactHandlerManager
36      implements ArtifactHandlerManager
37  {
38  
39      @Requirement( role = ArtifactHandler.class )
40      private Map<String, ArtifactHandler> artifactHandlers;
41  
42      private Map<String, ArtifactHandler> unmanagedHandlers = new ConcurrentHashMap<String, ArtifactHandler>();
43  
44      public ArtifactHandler getArtifactHandler( String type )
45      {
46          ArtifactHandler handler = unmanagedHandlers.get( type );
47  
48          if ( handler == null )
49          {
50              handler = artifactHandlers.get( type );
51  
52              if ( handler == null )
53              {
54                  handler = new DefaultArtifactHandler( type );
55              }
56          }
57  
58          return handler;
59      }
60  
61      public void addHandlers( Map<String, ArtifactHandler> handlers )
62      {
63          // legacy support for maven-gpg-plugin:1.0
64          unmanagedHandlers.putAll( handlers );
65      }
66  
67      @Deprecated
68      public Set<String> getHandlerTypes()
69      {
70          return artifactHandlers.keySet();
71      }
72  
73  }