1 /*
2 * $Id$
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "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 java.util.Locale;
24
25 import jakarta.servlet.http.HttpSession;
26
27 import org.apache.struts.Globals;
28 import org.apache.struts.chain.commands.AbstractSelectLocale;
29 import org.apache.struts.chain.contexts.ActionContext;
30 import org.apache.struts.chain.contexts.ServletActionContext;
31
32 /**
33 * <p>Select the <code>Locale</code> to be used for this request.</p>
34 *
35 * @version $Rev$ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005)
36 * $
37 */
38 public class SelectLocale extends AbstractSelectLocale {
39
40 // ------------------------------------------------------- Protected Methods
41
42 /**
43 * <p>Return the <code>Locale</code> to be used for this request.</p>
44 *
45 * @param context The <code>Context</code> for this request
46 */
47 protected Locale getLocale(ActionContext context) {
48 ServletActionContext saContext = (ServletActionContext) context;
49
50 // Has a Locale already been selected?
51 HttpSession session = saContext.getRequest().getSession();
52 Locale locale = (Locale) session.getAttribute(Globals.LOCALE_KEY);
53
54 if (locale != null) {
55 return (locale);
56 }
57
58 // Select and cache the Locale to be used
59 locale = saContext.getRequest().getLocale();
60
61 if (locale == null) {
62 locale = Locale.getDefault();
63 }
64
65 session.setAttribute(Globals.LOCALE_KEY, locale);
66
67 return (locale);
68 }
69 }