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.tag.jstl.core;
20
21 import javax.el.ELContext;
22 import javax.el.PropertyNotWritableException;
23 import javax.el.ValueExpression;
24
25 /**
26 * @version $Id$
27 */
28 public final class IteratedValueExpression extends ValueExpression
29 {
30
31 private static final long serialVersionUID = 1L;
32
33 private ValueExpression orig;
34
35 private Object value;
36
37 public IteratedValueExpression(ValueExpression orig, Object value)
38 {
39 this.orig = orig;
40 this.value = value;
41 }
42
43 /*
44 * (non-Javadoc)
45 *
46 * @see javax.el.ValueExpression#getValue(javax.el.ELContext)
47 */
48 public Object getValue(ELContext context)
49 {
50 return value;
51 }
52
53 /*
54 * (non-Javadoc)
55 *
56 * @see javax.el.ValueExpression#setValue(javax.el.ELContext, java.lang.Object)
57 */
58 public void setValue(ELContext context, Object value)
59 {
60 context.setPropertyResolved(false);
61 throw new PropertyNotWritableException();
62 }
63
64 /*
65 * (non-Javadoc)
66 *
67 * @see javax.el.ValueExpression#isReadOnly(javax.el.ELContext)
68 */
69 public boolean isReadOnly(ELContext context)
70 {
71 context.setPropertyResolved(false);
72 return true;
73 }
74
75 /*
76 * (non-Javadoc)
77 *
78 * @see javax.el.ValueExpression#getType(javax.el.ELContext)
79 */
80 public Class getType(ELContext context)
81 {
82 context.setPropertyResolved(false);
83 return Object.class;
84 }
85
86 /*
87 * (non-Javadoc)
88 *
89 * @see javax.el.ValueExpression#getExpectedType()
90 */
91 public Class getExpectedType()
92 {
93 return Object.class;
94 }
95
96 /*
97 * (non-Javadoc)
98 *
99 * @see javax.el.Expression#getExpressionString()
100 */
101 public String getExpressionString()
102 {
103 return this.orig.getExpressionString();
104 }
105
106 /*
107 * (non-Javadoc)
108 *
109 * @see javax.el.Expression#equals(java.lang.Object)
110 */
111 public boolean equals(Object obj)
112 {
113 return this.orig.equals(obj);
114 }
115
116 /*
117 * (non-Javadoc)
118 *
119 * @see javax.el.Expression#hashCode()
120 */
121 public int hashCode()
122 {
123 return this.orig.hashCode();
124 }
125
126 /*
127 * (non-Javadoc)
128 *
129 * @see javax.el.Expression#isLiteralText()
130 */
131 public boolean isLiteralText()
132 {
133 return false;
134 }
135
136 }