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org.apache.commons.jexl.parser.ASTNENode |
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1 | /* |
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2 | * Copyright 2002-2006 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 equal to. Use '!=' or 'ne', do not use <>. |
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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: ASTNENode.java 398270 2006-04-30 03:02:58Z dion $ |
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26 | */ |
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27 | public class ASTNENode extends SimpleNode { |
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28 | /** |
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29 | * Create the node given an id. |
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30 | * |
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31 | * @param id node id. |
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32 | */ |
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33 | public ASTNENode(int id) { |
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34 | 0 | super(id); |
35 | 0 | } |
36 | ||
37 | /** |
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38 | * Create a node with the given parser and id. |
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39 | * |
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40 | * @param p a parser. |
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41 | * @param id node id. |
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42 | */ |
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43 | public ASTNENode(Parser p, int id) { |
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44 | 23 | super(p, id); |
45 | 23 | } |
46 | ||
47 | /** {@inheritDoc} */ |
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48 | public Object jjtAccept(ParserVisitor visitor, Object data) { |
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49 | 0 | return visitor.visit(this, data); |
50 | } |
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51 | ||
52 | /** {@inheritDoc} */ |
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53 | public Object value(JexlContext pc) throws Exception { |
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54 | 19 | Object left = ((SimpleNode) jjtGetChild(0)).value(pc); |
55 | 19 | Object right = ((SimpleNode) jjtGetChild(1)).value(pc); |
56 | ||
57 | 19 | if (left == null && right == class="keyword">null) { |
58 | /* |
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59 | * first, the possibility that both *are* null |
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60 | */ |
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61 | ||
62 | 1 | return Boolean.FALSE; |
63 | 18 | } else if (left == null || right == class="keyword">null) { |
64 | /* |
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65 | * otherwise, both aren't, so it's clear L != R |
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66 | */ |
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67 | 7 | return Boolean.TRUE; |
68 | 11 | } else if (left.getClass().equals(right.getClass())) { |
69 | 5 | return (left.equals(right)) ? Boolean.FALSE : Boolean.TRUE; |
70 | 6 | } else if (left instanceof Float |
71 | || left instanceof Double |
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72 | || right instanceof Float |
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73 | || right instanceof Double) { |
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74 | 2 | return (Coercion.coerceDouble(left).equals(Coercion.coerceDouble(right))) ? Boolean.FALSE : Boolean.TRUE; |
75 | 4 | } else if (left instanceof Number || right instanceof Number || left instanceof Character |
76 | || right instanceof Character) { |
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77 | 1 | return (Coercion.coerceLong(left).equals(Coercion.coerceLong(right))) ? Boolean.FALSE : Boolean.TRUE; |
78 | 3 | } else if (left instanceof Boolean || right instanceof Boolean) { |
79 | 1 | return (Coercion.coerceBoolean(left).equals(Coercion.coerceBoolean(right))) ? Boolean.FALSE : Boolean.TRUE; |
80 | 2 | } else if (left instanceof java.lang.String || right instanceof String) { |
81 | 1 | return (left.toString().equals(right.toString())) ? Boolean.FALSE : Boolean.TRUE; |
82 | } |
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83 | ||
84 | 1 | return (left.equals(right)) ? Boolean.FALSE : Boolean.TRUE; |
85 | } |
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86 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |