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


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 an {@link org.apache.tapestry.script.InsertToken}
22  * from an <insert> element, which contains full content.
23  * <insert> is a throwback to the 1.0 and 1.1 DTDs.
24  *
25  * @author Howard Lewis Ship
26  * @since 3.0
27  */
28 class InsertRule 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         // property-path is really an OGNL expression.
39 String JavaDoc expression = getAttribute(attributes, "property-path");
40
41         // Was called key in the 1.0 DTD
42 if (expression == null)
43             expression = getAttribute(attributes, "key");
44
45         IScriptToken token = new InsertToken(expression, parser.getLocation());
46
47         addToParent(parser, token);
48
49         parser.push(token);
50     }
51
52 }
53
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