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Java > Open Source Codes > org > apache > tapestry > util > xml > BaseRule


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.util.xml;
16
17 import org.apache.hivemind.HiveMind;
18 import org.xml.sax.Attributes JavaDoc;
19
20 /**
21  * Base implementation of {@link org.apache.tapestry.util.xml.IRule}that does nothing.
22  *
23  * @author Howard Lewis Ship
24  * @since 3.0
25  */
26 public class BaseRule implements IRule
27 {
28     protected String JavaDoc getAttribute(Attributes JavaDoc attributes, String JavaDoc name)
29     {
30         int count = attributes.getLength();
31
32         for (int i = 0; i < count; i++)
33         {
34             String JavaDoc attributeName = attributes.getLocalName(i);
35
36             if (HiveMind.isBlank(attributeName))
37                 attributeName = attributes.getQName(i);
38
39             if (attributeName.equals(name))
40                 return attributes.getValue(i);
41         }
42
43         return null;
44     }
45
46     public void startElement(RuleDirectedParser parser, Attributes JavaDoc attributes)
47     {
48
49     }
50
51     public void endElement(RuleDirectedParser parser)
52     {
53
54     }
55
56     public void content(RuleDirectedParser parser, String JavaDoc content)
57     {
58
59     }
60
61 }
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