View Javadoc

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   */
20  
21  package org.apache.myfaces.orchestra.viewController;
22  
23  import javax.faces.context.FacesContext;
24  
25  /***
26   * <p>Various utilities used by the viewController framework</p>
27   * <p>Notice: this class is not meant to be used outside of this library</p>
28   */
29  public final class _ViewControllerUtils
30  {
31  	private final static ViewControllerManager DEFAULT_VCM = new DefaultViewControllerManager();
32  
33  	private _ViewControllerUtils()
34  	{
35  	}
36  
37  	public static ViewControllerManager getViewControllerManager(FacesContext context)
38  	{
39  		ViewControllerManager manager = (ViewControllerManager) context.getApplication().getVariableResolver().resolveVariable(context, ViewControllerManager.VIEW_CONTROLLER_MANAGER_NAME);
40  		if (manager != null)
41  		{
42  			return manager;
43  		}
44  
45  		return DEFAULT_VCM;
46  	}
47  }