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Java > Open Source Codes > org > apache > tapestry > script > UniqueRule


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.script;
16
17 import org.apache.tapestry.util.xml.RuleDirectedParser;
18 import org.xml.sax.Attributes JavaDoc;
19
20 /**
21  * Constructs a {@link org.apache.tapestry.script.UniqueToken}
22  * from an <unique> element, which contains full content.
23  *
24  * @author Howard Lewis Ship
25  * @since 3.0
26  */
27
28 public class UniqueRule extends AbstractTokenRule
29 {
30
31     public void endElement(RuleDirectedParser parser)
32     {
33         parser.pop();
34     }
35
36     public void startElement(RuleDirectedParser parser, Attributes JavaDoc attributes)
37     {
38         IScriptToken token = new UniqueToken(parser.getLocation());
39
40         addToParent(parser, token);
41         parser.push(token);
42     }
43
44 }
45
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