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Java > Open Source Codes > com > sun > el > parser > AstNot


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the "License"). You may not use this file except
5  * in compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * glassfish/bootstrap/legal/CDDLv1.0.txt or
9  * https://glassfish.dev.java.net/public/CDDLv1.0.html.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * HEADER in each file and include the License file at
15  * glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
16  * add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your
18  * own identifying information: Portions Copyright [yyyy]
19  * [name of copyright owner]
20  *
21  * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
22  *//* Generated By:JJTree: Do not edit this line. AstNot.java */
23
24 package com.sun.el.parser;
25
26 import javax.el.ELException;
27
28 import com.sun.el.lang.EvaluationContext;
29
30 /**
31  * @author Jacob Hookom [jacob@hookom.net]
32  * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: kchung $
33  */
34 public final class AstNot extends SimpleNode {
35     public AstNot(int id) {
36         super(id);
37     }
38
39     public Class JavaDoc getType(EvaluationContext ctx)
40             throws ELException {
41         return Boolean JavaDoc.class;
42     }
43
44     public Object JavaDoc getValue(EvaluationContext ctx)
45             throws ELException {
46         Object JavaDoc obj = this.children[0].getValue(ctx);
47         Boolean JavaDoc b = coerceToBoolean(obj);
48         return Boolean.valueOf(!b.booleanValue());
49     }
50 }
51
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