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1   package org.codehaus.plexus.personality.plexus.lifecycle.phase;
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.classworlds.realm.ClassRealm;
20  import org.codehaus.plexus.component.manager.ComponentManager;
21  import org.codehaus.plexus.context.Context;
22  import org.codehaus.plexus.context.ContextException;
23  import org.codehaus.plexus.lifecycle.phase.AbstractPhase;
24  
25  public class ContextualizePhase
26      extends AbstractPhase
27  {
28      public void execute( Object object, ComponentManager manager, ClassRealm lookupRealm )
29          throws PhaseExecutionException
30      {
31          if ( object instanceof Contextualizable )
32          {
33              Context context = manager.getContainer().getContext();
34  
35              ClassRealm origRealm = manager.getContainer().setLookupRealm( lookupRealm );
36  
37              try
38              {
39                  ( (Contextualizable) object ).contextualize( context );
40              }
41              catch ( ContextException e )
42              {
43                  throw new PhaseExecutionException( "Unable to contextualize component", e );
44              }
45              finally
46              {
47                  manager.getContainer().setLookupRealm( origRealm );
48              }
49          }
50      }
51  }