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Java > Open Source Codes > org > apache > batik > css > engine > sac > CSSOneOfAttributeCondition


1 /*
2
3    Copyright 2002 The Apache Software Foundation
4
5    Licensed under the Apache License, Version 2.0 (the "License");
6    you may not use this file except in compliance with the License.
7    You may obtain a copy of the License at
8
9        http://www.apache.org/licenses/LICENSE-2.0
10
11    Unless required by applicable law or agreed to in writing, software
12    distributed under the License is distributed on an "AS IS" BASIS,
13    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14    See the License for the specific language governing permissions and
15    limitations under the License.
16
17  */
18 package org.apache.batik.css.engine.sac;
19
20 import org.w3c.dom.Element JavaDoc;
21
22 /**
23  * This class provides an implementation of the
24  * {@link org.w3c.css.sac.AttributeCondition} interface.
25  *
26  * @author <a HREF="mailto:stephane@hillion.org">Stephane Hillion</a>
27  * @version $Id: CSSOneOfAttributeCondition.java,v 1.3 2004/08/18 07:12:51 vhardy Exp $
28  */
29 public class CSSOneOfAttributeCondition extends CSSAttributeCondition {
30     /**
31      * Creates a new CSSAttributeCondition object.
32      */
33     public CSSOneOfAttributeCondition(String JavaDoc localName,
34                                       String JavaDoc namespaceURI,
35                                       boolean specified,
36                                       String JavaDoc value) {
37     super(localName, namespaceURI, specified, value);
38     }
39
40     /**
41      * <b>SAC</b>: Implements {@link
42      * org.w3c.css.sac.Condition#getConditionType()}.
43      */
44     public short getConditionType() {
45     return SAC_ONE_OF_ATTRIBUTE_CONDITION;
46     }
47     
48     /**
49      * Tests whether this condition matches the given element.
50      */
51     public boolean match(Element JavaDoc e, String JavaDoc pseudoE) {
52     String JavaDoc attr = e.getAttribute(getLocalName());
53     String JavaDoc val = getValue();
54     int i = attr.indexOf(val);
55     if (i == -1) {
56         return false;
57     }
58     if (i != 0 && !Character.isSpaceChar(attr.charAt(i - 1))) {
59         return false;
60     }
61     int j = i + val.length();
62     return (j == attr.length() ||
63         (j < attr.length() && Character.isSpaceChar(attr.charAt(j))));
64     }
65
66     /**
67      * Returns a text representation of this object.
68      */
69     public String JavaDoc toString() {
70     return "[" + getLocalName() + "~=\"" + getValue() + "\"]";
71     }
72 }
73
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