/* Copyright 2004 Sun Microsystems, Inc. All rights reserved.  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:  - Redistributions of source code must retain the above copyright   notice, this list of conditions and the following disclaimer.  - Redistribution in binary form must reproduce the above copyright   notice, this list of conditions and the following disclaimer in   the documentation and/or other materials provided with the   distribution.  Neither the name of Sun Microsystems, Inc. or the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission.  This software is provided "AS IS," without a warranty of any kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.  You acknowledge that Software is not designed, licensed or intended for use in the design, construction, operation or maintenance of any nuclear facility. $Id: ChangeLocaleHTMLAction.java,v 1.1 2004/04/15 03:44:10 yutayoshida Exp $ */package com.sun.j2ee.blueprints.waf.controller.web.impl;import java.util.*;import java.io.*;import javax.servlet.*;import javax.servlet.http.*;// waf importsimport com.sun.j2ee.blueprints.waf.util.I18nUtil;import com.sun.j2ee.blueprints.waf.controller.*;import com.sun.j2ee.blueprints.waf.controller.impl.ChangeLocaleEvent;import com.sun.j2ee.blueprints.waf.controller.web.html.*;/** * Implementation of HTMLAction that processes a * user change in language. * */public final class ChangeLocaleHTMLAction extends HTMLActionSupport {    public static final String LOCALE = "com.sun.j2ee.blueprints.waf.LOCALE";        public Event perform(HttpServletRequest request)  throws HTMLActionException {  // Extract attributes we will need        String localeString = request.getParameter("locale");  Locale locale = I18nUtil.getLocaleFromString(localeString);     if (locale != null) {            request.getSession().setAttribute(LOCALE,locale);            return new ChangeLocaleEvent(locale);        } else {            System.out.println("Can't Change the locale becasue the locale is null!!!" + localeString);            throw new HTMLActionException("ChangeLocaleAction: Unable to change language to " + localeString);        }    }}