/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.myfaces.mc.test.core;
  
  import javax.faces.FacesException;
  import javax.faces.view.ViewDeclarationLanguage;
  import javax.faces.view.ViewDeclarationLanguageFactory;
  
  import org.apache.myfaces.view.ViewDeclarationLanguageStrategy;
  
  public class MockMyFacesViewDeclarationLanguageFactory extends ViewDeclarationLanguageFactory
  {
  
      private boolean _initialized;
      private ViewDeclarationLanguageStrategy[] _supportedLanguages;
      
      public MockMyFacesViewDeclarationLanguageFactory()
      {
          _initialized = false;
      }
  
      @Override
      public ViewDeclarationLanguage getViewDeclarationLanguage(String viewId)
      {
          initialize();
          
          for (ViewDeclarationLanguageStrategy strategy : _supportedLanguages)
          {
              if (strategy.handles(viewId))
              {
                  return strategy.getViewDeclarationLanguage();
              }
          }
          
          throw new FacesException("Cannot find a valid PDL for view id " + viewId);
      }
  
      private synchronized void initialize()
      {
          if (!_initialized)
          {
              _supportedLanguages = new ViewDeclarationLanguageStrategy[2];
              _supportedLanguages[0] = new MockMyFacesFaceletViewDeclarationLanguageStrategy();
              _supportedLanguages[1] = new MockDefaultViewDeclarationLanguageStrategy(); 
          }
      }
  
  }