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.view.facelets.el;
20
21 import javax.el.ELContext;
22 import javax.el.ValueExpression;
23 import javax.el.ValueReference;
24 import javax.faces.context.FacesContext;
25 import javax.faces.view.Location;
26
27 /**
28 * ResourceLocationValueExpression for el-api 2.2
29 *
30 * @author Leonardo Uribe
31 *
32 */
33 public class ResourceLocationValueExpressionUEL extends ResourceLocationValueExpression
34 {
35
36 private static final long serialVersionUID = 1824869909994211424L;
37
38 public ResourceLocationValueExpressionUEL()
39 {
40 super();
41 }
42
43 public ResourceLocationValueExpressionUEL(Location location, ValueExpression delegate)
44 {
45 super(location, delegate);
46 }
47
48 @Override
49 public ValueReference getValueReference(ELContext context)
50 {
51 FacesContext facesContext = (FacesContext) context.getContext(FacesContext.class);
52 ResourceELUtils.saveResourceLocationForResolver(facesContext, location);
53 try
54 {
55 return delegate.getValueReference(context);
56 }
57 finally
58 {
59 ResourceELUtils.removeResourceLocationForResolver(facesContext);
60 }
61 }
62
63 }