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1   package org.codehaus.plexus.component.factory;
2   
3   /*
4    * Copyright 2001-2006 Codehaus Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import org.codehaus.plexus.PlexusConstants;
20  import org.codehaus.plexus.PlexusContainer;
21  import org.codehaus.plexus.component.factory.java.JavaComponentFactory;
22  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
23  import org.codehaus.plexus.context.Context;
24  import org.codehaus.plexus.context.ContextException;
25  import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
26  
27  /**
28   * @author Jason van Zyl
29   * @version $Id$
30   */
31  public class DefaultComponentFactoryManager
32      implements ComponentFactoryManager, Contextualizable
33  {
34      private ComponentFactory defaultComponentFactory = new JavaComponentFactory();
35  
36      private PlexusContainer container;
37  
38      public ComponentFactory findComponentFactory( String id )
39          throws UndefinedComponentFactoryException
40      {
41          if ( id == null || id.equals( "java" ) ) 
42          {
43              return defaultComponentFactory;
44          }
45  
46          try
47          {
48              return container.lookup( ComponentFactory.class, id );
49          }
50          catch ( ComponentLookupException e )
51          {
52              throw new UndefinedComponentFactoryException( "Specified component factory cannot be found: " + id );
53          }
54      }
55  
56      public void contextualize( Context context )
57          throws ContextException
58      {
59          container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
60      }
61  }