01: /*
02: * $Id: SelectLocale.java 471754 2006-11-06 14:55:09Z husted $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21: package org.apache.struts.chain.commands.servlet;
22:
23: import org.apache.commons.logging.Log;
24: import org.apache.commons.logging.LogFactory;
25: import org.apache.struts.Globals;
26: import org.apache.struts.chain.commands.AbstractSelectLocale;
27: import org.apache.struts.chain.contexts.ActionContext;
28: import org.apache.struts.chain.contexts.ServletActionContext;
29:
30: import javax.servlet.http.HttpSession;
31:
32: import java.util.Locale;
33:
34: /**
35: * <p>Select the <code>Locale</code> to be used for this request.</p>
36: *
37: * @version $Rev: 471754 $ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005)
38: * $
39: */
40: public class SelectLocale extends AbstractSelectLocale {
41: private static final Log log = LogFactory
42: .getLog(SelectLocale.class);
43:
44: // ------------------------------------------------------- Protected Methods
45:
46: /**
47: * <p>Return the <code>Locale</code> to be used for this request.</p>
48: *
49: * @param context The <code>Context</code> for this request
50: */
51: protected Locale getLocale(ActionContext context) {
52: ServletActionContext saContext = (ServletActionContext) context;
53:
54: // Has a Locale already been selected?
55: HttpSession session = saContext.getRequest().getSession();
56: Locale locale = (Locale) session
57: .getAttribute(Globals.LOCALE_KEY);
58:
59: if (locale != null) {
60: return (locale);
61: }
62:
63: // Select and cache the Locale to be used
64: locale = saContext.getRequest().getLocale();
65:
66: if (locale == null) {
67: locale = Locale.getDefault();
68: }
69:
70: session.setAttribute(Globals.LOCALE_KEY, locale);
71:
72: return (locale);
73: }
74: }
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