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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  
22  package examples.localization;
23  
24  import java.util.Locale;
25  
26  import jakarta.servlet.http.HttpServletRequest;
27  import jakarta.servlet.http.HttpServletResponse;
28  import jakarta.servlet.http.HttpSession;
29  
30  import org.apache.struts.Globals;
31  import org.apache.struts.action.Action;
32  import org.apache.struts.action.ActionForm;
33  import org.apache.struts.action.ActionForward;
34  import org.apache.struts.action.ActionMapping;
35  
36  /**
37   * Retrieve and process data from the submitted form
38   *
39   * @version $Rev$ $Date$
40   */
41  public class ProcessLocalizationAction extends Action {
42      private static final long serialVersionUID = 1840482879886795996L;
43  
44      // ------------------------------------------------------------ Constructors
45  
46      /**
47       * Constructor for ProcessOptionsAction.
48       */
49      public ProcessLocalizationAction() {
50          super();
51      }
52  
53      // ---------------------------------------------------------- Action Methods
54  
55      /**
56       * Process the request and return an <code>ActionForward</code> instance
57       * describing where and how control should be forwarded, or
58       * <code>null</code>if the response has already been completed.
59       *
60       * @param mapping The ActionMapping used to select this instance
61       * @param form The optional ActionForm bean for this request (if any)
62       * @param request The HTTP request we are processing
63       * @param response The HTTP response we are creating
64       *
65       * @exception Exception if the application logic throws an exception
66       *
67       * @return the ActionForward for the next view
68       */
69      public ActionForward execute(
70          ActionMapping mapping,
71          ActionForm form,
72          HttpServletRequest request,
73          HttpServletResponse response)
74          throws Exception {
75  
76          // Extract attributes we will need
77          HttpSession session = request.getSession();
78  
79          // Get locale from request, if any
80          Locale locale = request.getLocale();
81  
82          // If supplied, set Locale based on request parameters;
83          // country and language
84          String language = request.getParameter("language");
85          String country = request.getParameter("country");
86  
87          if ((language != null && language.length() > 0)
88              && (country != null && country.length() > 0)) {
89              locale = new Locale(language, country);
90          } else if (language != null && language.length() > 0) {
91              locale = new Locale(language);
92          }
93  
94          //Save locale
95          session.setAttribute(Globals.LOCALE_KEY, locale);
96  
97          // Forward to result page
98          return mapping.findForward("success");
99      }
100 }