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.unified.resolver.implicitobject;
20
21 import java.beans.FeatureDescriptor;
22
23 import javax.el.ELContext;
24 import javax.faces.component.UIComponent;
25
26 /**
27 * Encapsulates information needed by the ImplicitObjectResolver
28 *
29 * @author Leonardo Uribe (latest modification by $Author$)
30 * @version $Revision$ $Date$
31 */
32 public class ComponentImplicitObject extends ImplicitObject
33 {
34
35 private static final String NAME = "component";
36
37 /** Creates a new instance of ComponentImplicitObject */
38 public ComponentImplicitObject()
39 {
40 }
41
42 @Override
43 public Object getValue(ELContext context)
44 {
45 return UIComponent.getCurrentComponent(facesContext(context));
46 }
47
48 @Override
49 public String getName()
50 {
51 return NAME;
52 }
53
54 @Override
55 public Class<?> getType()
56 {
57 return null;
58 }
59
60 @Override
61 public FeatureDescriptor getDescriptor()
62 {
63 return makeDescriptor(NAME, "Represents the component most recently pushed using UIComponent.pushComponentToEL",
64 UIComponent.class);
65 }
66 }