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| org.apache.commons.jexl.parser.ASTDivNode |
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| 1 | /* |
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| 2 | * Copyright 2003,2004 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.util.Coercion; |
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| 19 | import org.apache.commons.jexl.JexlContext; |
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| 20 | ||
| 21 | /** |
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| 22 | * / |
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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: ASTDivNode.java,v 1.4 2004/02/28 13:45:20 yoavs Exp $ |
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| 26 | */ |
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| 27 | public class ASTDivNode extends SimpleNode |
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| 28 | { |
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| 29 | public ASTDivNode(int id) |
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| 30 | { |
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| 31 | 0 | super(id); |
| 32 | 0 | } |
| 33 | ||
| 34 | public ASTDivNode(Parser p, int id) |
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| 35 | { |
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| 36 | 60 | super(p, id); |
| 37 | 60 | } |
| 38 | ||
| 39 | ||
| 40 | /** Accept the visitor. **/ |
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| 41 | public Object jjtAccept(ParserVisitor visitor, Object data) |
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| 42 | { |
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| 43 | 0 | return visitor.visit(this, data); |
| 44 | } |
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| 45 | ||
| 46 | public Object value(JexlContext jc) |
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| 47 | throws Exception |
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| 48 | { |
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| 49 | 60 | Object left = ((SimpleNode) jjtGetChild(0)).value(jc); |
| 50 | 60 | Object right = ((SimpleNode) jjtGetChild(1)).value(jc); |
| 51 | ||
| 52 | /* |
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| 53 | * the spec says 'and', I think 'or' |
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| 54 | */ |
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| 55 | 60 | if (left == null && right == class="keyword">null) |
| 56 | 0 | return new Integer(0); |
| 57 | ||
| 58 | 60 | Double l = Coercion.coerceDouble(left); |
| 59 | 60 | Double r = Coercion.coerceDouble(right); |
| 60 | ||
| 61 | /* |
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| 62 | * catch div/0 |
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| 63 | */ |
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| 64 | 60 | if (r.doubleValue() == 0.0) |
| 65 | 15 | return new Double(0.0); |
| 66 | ||
| 67 | 45 | return new Double(l.doubleValue() / r.doubleValue()); |
| 68 | ||
| 69 | } |
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| 70 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |