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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  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,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.lifecycle;
20  
21  import javax.faces.context.FacesContext;
22  import javax.faces.event.PhaseId;
23  import org.apache.myfaces.view.facelets.ViewPoolProcessor;
24  
25  /**
26   * Implements the apply request values phase (JSF Spec 2.2.2)
27   * 
28   * @author Nikolay Petrov (latest modification by $Author$)
29   * @version $Revision$ $Date$
30   */
31  class ApplyRequestValuesExecutor extends PhaseExecutor
32  {
33      private ViewPoolProcessor viewPoolProcessor;
34      private boolean initialized = false;
35  
36      public boolean execute(FacesContext facesContext)
37      {
38          if (facesContext.getViewRoot() == null)
39          {
40              throw new ViewNotFoundException("A view is required to execute "+facesContext.getCurrentPhaseId());
41          }
42          facesContext.getViewRoot().processDecodes(facesContext);
43          
44          ViewPoolProcessor processor = getViewPoolProcessor(facesContext);
45          if (processor != null)
46          {
47              processor.processDeferredNavigation(facesContext);
48          }
49          return false;
50      }
51  
52      public PhaseId getPhase()
53      {
54          return PhaseId.APPLY_REQUEST_VALUES;
55      }
56      
57      private ViewPoolProcessor getViewPoolProcessor(FacesContext context)
58      {
59          if (!initialized)
60          {
61              viewPoolProcessor = ViewPoolProcessor.getInstance(context);
62              initialized = true;
63          }
64          return viewPoolProcessor;
65      }
66  }