01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: package org.apache.cocoon.template.instruction;
18:
19: import java.util.Locale;
20: import java.util.Stack;
21:
22: import org.apache.cocoon.components.expression.ExpressionContext;
23: import org.apache.cocoon.template.environment.ParsingContext;
24: import org.apache.cocoon.template.environment.ValueHelper;
25: import org.apache.cocoon.template.expression.JXTExpression;
26: import org.apache.cocoon.template.script.event.StartElement;
27: import org.xml.sax.Attributes;
28: import org.xml.sax.SAXException;
29:
30: /**
31: * @version SVN $Id: LocaleAwareInstruction.java 449189 2006-09-23 06:52:29Z crossley $
32: */
33: public class LocaleAwareInstruction extends Instruction {
34: private JXTExpression locale;
35:
36: public LocaleAwareInstruction(ParsingContext parsingContext,
37: StartElement raw, Attributes attrs, Stack stack)
38: throws SAXException {
39: super (raw);
40: this .locale = parsingContext.getStringTemplateParser()
41: .compileExpr(attrs.getValue("locale"), null,
42: getLocation());
43: }
44:
45: protected Locale getLocale(ExpressionContext expressionContext)
46: throws Exception {
47: Object locVal = null;
48: if (this .locale != null) {
49: locVal = this .locale.getValue(expressionContext);
50: if (locVal == null)
51: locVal = this .locale.getStringValue(expressionContext);
52: }
53:
54: if (locVal != null)
55: return (locVal instanceof Locale ? (Locale) locVal
56: : ValueHelper.parseLocale(locVal.toString(), null));
57: else
58: return Locale.getDefault();
59: }
60: }
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