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


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.coerce.ValueConverter;
18 import org.apache.tapestry.services.ExpressionEvaluator;
19 import org.apache.tapestry.util.xml.BaseRule;
20 import org.apache.tapestry.util.xml.RuleDirectedParser;
21 import org.xml.sax.Attributes JavaDoc;
22
23 /**
24  * Rule for <script> element. Creates a {@link org.apache.tapestry.script.ParsedScript}.
25  *
26  * @author Howard Lewis Ship
27  * @since 3.0
28  */
29 public class ScriptRule extends BaseRule
30 {
31     /** @since 4.0 */
32     private ExpressionEvaluator _evaluator;
33
34     /** @since 4.0 */
35     private ValueConverter _valueConverter;
36
37     public ScriptRule(ExpressionEvaluator evaluator, ValueConverter valueConverter)
38     {
39         _evaluator = evaluator;
40         _valueConverter = valueConverter;
41     }
42
43     public void endElement(RuleDirectedParser parser)
44     {
45         parser.pop();
46     }
47
48     public void startElement(RuleDirectedParser parser, Attributes JavaDoc attributes)
49     {
50         ParsedScript script = new ParsedScript(_evaluator, _valueConverter, parser.getLocation());
51
52         parser.push(script);
53     }
54
55 }
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