1 /* 2 * $Id: SelectLocale.java 471754 2006-11-06 14:55:09Z husted $ 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 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.getLog(SelectLocale.class); 42 43 // ------------------------------------------------------- Protected Methods 44 45 /** 46 * <p>Return the <code>Locale</code> to be used for this request.</p> 47 * 48 * @param context The <code>Context</code> for this request 49 */ 50 protected Locale getLocale(ActionContext context) { 51 ServletActionContext saContext = (ServletActionContext) context; 52 53 // Has a Locale already been selected? 54 HttpSession session = saContext.getRequest().getSession(); 55 Locale locale = (Locale) session.getAttribute(Globals.LOCALE_KEY); 56 57 if (locale != null) { 58 return (locale); 59 } 60 61 // Select and cache the Locale to be used 62 locale = saContext.getRequest().getLocale(); 63 64 if (locale == null) { 65 locale = Locale.getDefault(); 66 } 67 68 session.setAttribute(Globals.LOCALE_KEY, locale); 69 70 return (locale); 71 } 72 }