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From hus...@apache.org
Subject cvs commit: jakarta-struts/src/share/org/apache/struts/actions LocaleAction.java
Date Thu, 01 Jan 2004 13:45:49 GMT
husted      2004/01/01 05:45:49

  Added:       src/share/org/apache/struts/actions LocaleAction.java
  Log:
  Move LocaleAction from Validator example webapp to standard Actions package, so that it
can be used in other examples and tests.
  
  Revision  Changes    Path
  1.1                  jakarta-struts/src/share/org/apache/struts/actions/LocaleAction.java
  
  Index: LocaleAction.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-struts/src/share/org/apache/struts/actions/LocaleAction.java,v
1.1 2004/01/01 13:45:49 husted Exp $
   * $Revision: 1.1 $
   * $Date: 2004/01/01 13:45:49 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2003 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions 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.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowledgement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Struts", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  
  package org.apache.struts.actions;
  
  import java.util.Locale;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpSession;
  
  import org.apache.commons.beanutils.PropertyUtils;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.apache.struts.Globals;
  import org.apache.struts.action.Action;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  
  
  /**
   * Implementation of <strong>Action</strong> that changes the user's
   * @link(java.util.Locale and forwards to a page, based on request level
   * parameters that are set  (language, country, &amp; page).
   *
   * @author David Wintefeldt
  */
  public final class LocaleAction extends Action {
  
      /**
       * Commons Logging instance.
      */
      private Log log = LogFactory.getFactory().getInstance(this.getClass().getName());
  
      /**
       * <p>
       * Change the user's @link(java.util.Locale) based on @link(ActionForm)
       * properties.
       * </p>
       * <p>
       * This <code>Action</code> looks for <code>language</code>
and
       * <code>country</code> properties on the given form, constructs an
       * appropriate Locale object, and sets it as the Struts Locale for this
       * user's session.
       * Any <code>ActionForm, including a @link(DynaActionForm), may be used.
       * </p>
       * <p>
       * If a <code>page</code> property is also provided, then after
       * setting the Locale, control is forwarded to that URI path.
       * Otherwise, control is forwarded to "success".
       * </p>
       *
       * @param mapping The ActionMapping used to select this instance
       * @param form The optional ActionForm bean for this request (if any)
       * @param request The HTTP request we are processing
       * @param response The HTTP response we are creating
       *
       * @return Action to forward to
       * @exception java.lang.Exception if an input/output error or servlet exception occurs
       */
      public ActionForward execute(ActionMapping mapping,
                   ActionForm form,
                   HttpServletRequest request,
                   HttpServletResponse response)
      throws Exception {
  
      // Extract attributes we will need
      HttpSession session = request.getSession();
      Locale locale = getLocale(request);
  
      String language = null;
      String country = null;
      String page = null;
  
      try {
              language = (String)
                PropertyUtils.getSimpleProperty(form, "language");
              country = (String)
                PropertyUtils.getSimpleProperty(form, "country");
              page = (String)
                PropertyUtils.getSimpleProperty(form, "page");
          } catch (Exception e) {
             log.error(e.getMessage(), e);
          }
  
          if ((language != null && language.length() > 0) &&
              (country != null && country.length() > 0)) {
             locale = new java.util.Locale(language, country);
          } else if (language != null && language.length() > 0) {
             locale = new java.util.Locale(language, "");
      }
  
          session.setAttribute(Globals.LOCALE_KEY, locale);
  
          if (null==page) return mapping.findForward("success");
          else return new ActionForward(page);
  
      }
  
  }
  
  
  

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