KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > commons > jexl > parser > ASTReferenceExpression


1 /*
2  * Copyright 2002-2006 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.jexl.parser;
17
18 import org.apache.commons.jexl.JexlContext;
19
20 /**
21  * variable; A reference by itself.
22  */
23 public class ASTReferenceExpression extends SimpleNode {
24     /**
25      * Create the node given an id.
26      *
27      * @param id node id.
28      */
29     public ASTReferenceExpression(int id) {
30         super(id);
31     }
32
33     /**
34      * Create a node with the given parser and id.
35      *
36      * @param p a parser.
37      * @param id node id.
38      */
39     public ASTReferenceExpression(Parser p, int id) {
40         super(p, id);
41     }
42
43     /** {@inheritDoc} */
44     public Object JavaDoc jjtAccept(ParserVisitor visitor, Object JavaDoc data) {
45         return visitor.visit(this, data);
46     }
47
48     /** {@inheritDoc} */
49     public Object JavaDoc value(JexlContext context) throws Exception JavaDoc {
50         return ((SimpleNode) jjtGetChild(0)).value(context);
51     }
52 }
53
Popular Tags