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Java > Open Source Codes > org > apache > el > parser > AstNot


1 /* Generated By:JJTree: Do not edit this line. AstNot.java */
2
3 package org.apache.el.parser;
4
5 import javax.el.ELException;
6
7 import org.apache.el.lang.EvaluationContext;
8
9
10 /**
11  * @author Jacob Hookom [jacob@hookom.net]
12  * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: markt $
13  */
14 public final class AstNot extends SimpleNode {
15     public AstNot(int id) {
16         super(id);
17     }
18
19     public Class JavaDoc getType(EvaluationContext ctx)
20             throws ELException {
21         return Boolean JavaDoc.class;
22     }
23
24     public Object JavaDoc getValue(EvaluationContext ctx)
25             throws ELException {
26         Object JavaDoc obj = this.children[0].getValue(ctx);
27         Boolean JavaDoc b = coerceToBoolean(obj);
28         return Boolean.valueOf(!b.booleanValue());
29     }
30 }
31
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