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.el;
20
21 import javax.el.ELException;
22 import javax.faces.context.FacesContext;
23 import javax.faces.el.EvaluationException;
24 import javax.faces.el.VariableResolver;
25
26 import org.apache.myfaces.shared.util.Assert;
27
28 /**
29 * This class is used to delegate {@link #resolveVariable(FacesContext, String)} to the el resolver of the application.
30 *
31 * @author Mathias Broekelmann (latest modification by $Author$)
32 * @version $Revision$ $Date$
33 */
34 @SuppressWarnings("deprecation")
35 public class VariableResolverToApplicationELResolverAdapter extends VariableResolver
36 {
37 @Override
38 public Object resolveVariable(FacesContext facesContext, String name) throws EvaluationException
39 {
40 Assert.notNull(facesContext, "facesContext");
41 Assert.notNull(name, "name");
42
43 try
44 {
45 return facesContext.getApplication().getELResolver().getValue(facesContext.getELContext(), null, name);
46 }
47 catch (ELException e)
48 {
49 throw new EvaluationException(e);
50 }
51 }
52
53 }