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| org.apache.commons.jexl.parser.ASTNotNode |
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| 1 | /* |
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| 2 | * Copyright 2002,2004 The Apache Software Foundation. |
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| 3 | * |
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 5 | * you may not use this file except in compliance with the License. |
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| 6 | * You may obtain a copy of the License at |
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| 7 | * |
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 9 | * |
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| 10 | * Unless required by applicable law or agreed to in writing, software |
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 13 | * See the License for the specific language governing permissions and |
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| 14 | * limitations under the License. |
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| 15 | */ |
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| 16 | package org.apache.commons.jexl.parser; |
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| 17 | ||
| 18 | import org.apache.commons.jexl.JexlContext; |
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| 19 | import org.apache.commons.jexl.util.Coercion; |
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| 20 | ||
| 21 | /** |
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| 22 | * Not : 'not' or '!' |
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| 23 | * |
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| 24 | * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a> |
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| 25 | * @version $Id: ASTNotNode.java,v 1.3 2004/02/28 13:45:20 yoavs Exp $ |
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| 26 | */ |
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| 27 | ||
| 28 | public class ASTNotNode extends SimpleNode |
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| 29 | { |
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| 30 | public ASTNotNode(int id) |
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| 31 | { |
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| 32 | 0 | super(id); |
| 33 | 0 | } |
| 34 | ||
| 35 | public ASTNotNode(Parser p, int id) |
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| 36 | { |
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| 37 | 177 | super(p, id); |
| 38 | 177 | } |
| 39 | ||
| 40 | ||
| 41 | /** Accept the visitor. **/ |
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| 42 | public Object jjtAccept(ParserVisitor visitor, Object data) |
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| 43 | { |
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| 44 | 0 | return visitor.visit(this, data); |
| 45 | } |
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| 46 | ||
| 47 | public Object value(JexlContext jc) |
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| 48 | throws Exception |
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| 49 | { |
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| 50 | 177 | Object val = ((SimpleNode) jjtGetChild(0)).value(jc); |
| 51 | ||
| 52 | /* |
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| 53 | * coercion rules |
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| 54 | */ |
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| 55 | ||
| 56 | 177 | Boolean b = Coercion.coerceBoolean(val); |
| 57 | ||
| 58 | 177 | if (b != null) |
| 59 | 177 | return b.booleanValue() ? Boolean.FALSE : Boolean.TRUE; |
| 60 | ||
| 61 | 0 | throw new Exception("expression not boolean valued"); |
| 62 | } |
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| 63 | ||
| 64 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |