%line | %branch | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
org.apache.commons.jexl.parser.ASTLTNode |
|
|
1 | /* |
|
2 | * Copyright 2002,2004 The Apache Software Foundation. |
|
3 | * |
|
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
|
5 | * you may not use this file except in compliance with the License. |
|
6 | * You may obtain a copy of the License at |
|
7 | * |
|
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
|
9 | * |
|
10 | * Unless required by applicable law or agreed to in writing, software |
|
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
|
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
13 | * See the License for the specific language governing permissions and |
|
14 | * limitations under the License. |
|
15 | */ |
|
16 | ||
17 | package org.apache.commons.jexl.parser; |
|
18 | ||
19 | import org.apache.commons.jexl.JexlContext; |
|
20 | import org.apache.commons.jexl.util.Coercion; |
|
21 | ||
22 | /** |
|
23 | * LT : a < b |
|
24 | * |
|
25 | * Follows A.3.6.1 of the JSTL 1.0 specification |
|
26 | * |
|
27 | * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a> |
|
28 | * @author <a href="mailto:proyal@apache.org">Peter Royal</a> |
|
29 | * @version $Id: ASTLTNode.java,v 1.5 2004/02/28 13:45:20 yoavs Exp $ |
|
30 | */ |
|
31 | public class ASTLTNode extends SimpleNode |
|
32 | { |
|
33 | public ASTLTNode(int id) |
|
34 | { |
|
35 | 0 | super(id); |
36 | 0 | } |
37 | ||
38 | public ASTLTNode(Parser p, int id) |
|
39 | { |
|
40 | 36 | super(p, id); |
41 | 36 | } |
42 | ||
43 | /** Accept the visitor. **/ |
|
44 | public Object jjtAccept(ParserVisitor visitor, Object data) |
|
45 | { |
|
46 | 0 | return visitor.visit(this, data); |
47 | } |
|
48 | ||
49 | public Object value(JexlContext jc) |
|
50 | throws Exception |
|
51 | { |
|
52 | /* |
|
53 | * now get the values |
|
54 | */ |
|
55 | ||
56 | 36 | Object left = ( (SimpleNode) jjtGetChild(0)).value(jc); |
57 | 36 | Object right = ( (SimpleNode) jjtGetChild(1)).value(jc); |
58 | ||
59 | 36 | if( ( left == right ) || ( left == null ) || ( right == class="keyword">null ) ) |
60 | { |
|
61 | 0 | return Boolean.FALSE; |
62 | } |
|
63 | 36 | else if( Coercion.isFloatingPoint( left ) || Coercion.isFloatingPoint( right ) ) |
64 | { |
|
65 | 0 | double leftDouble = Coercion.coerceDouble( left ).class="keyword">doubleValue(); |
66 | 0 | double rightDouble = Coercion.coerceDouble( right ).class="keyword">doubleValue(); |
67 | ||
68 | 0 | return leftDouble < rightDouble |
69 | ? Boolean.TRUE |
|
70 | : Boolean.FALSE; |
|
71 | } |
|
72 | 36 | else if( Coercion.isNumberable( left ) || Coercion.isNumberable( right ) ) |
73 | { |
|
74 | 36 | long leftLong = Coercion.coerceLong( left ).class="keyword">longValue(); |
75 | 36 | long rightLong = Coercion.coerceLong( right ).class="keyword">longValue(); |
76 | ||
77 | 36 | return leftLong < rightLong |
78 | ? Boolean.TRUE |
|
79 | : Boolean.FALSE; |
|
80 | } |
|
81 | 0 | else if( left instanceof String || right instanceof String ) |
82 | { |
|
83 | 0 | String leftString = left.toString(); |
84 | 0 | String rightString = right.toString(); |
85 | ||
86 | 0 | return leftString.compareTo( rightString ) < 0 |
87 | ? Boolean.TRUE |
|
88 | : Boolean.FALSE; |
|
89 | } |
|
90 | 0 | else if( left instanceof Comparable ) |
91 | { |
|
92 | 0 | return ( (Comparable)left ).compareTo( right ) < 0 |
93 | ? Boolean.TRUE |
|
94 | : Boolean.FALSE; |
|
95 | } |
|
96 | 0 | else if( right instanceof Comparable ) |
97 | { |
|
98 | 0 | return ( (Comparable)right ).compareTo( left ) > 0 |
99 | ? Boolean.TRUE |
|
100 | : Boolean.FALSE; |
|
101 | } |
|
102 | ||
103 | 0 | throw new Exception("Invalid comparison : LT "); |
104 | } |
|
105 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |