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1   /*
2    * $Id: ProcessLocalizationAction.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  
22  package examples.localization;
23  
24  import java.util.Locale;
25  
26  import javax.servlet.http.HttpServletRequest;
27  import javax.servlet.http.HttpServletResponse;
28  import javax.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: 471754 $ $Date: 2006-11-06 08:55:09 -0600 (Mon, 06 Nov 2006) $
40   */
41  public class ProcessLocalizationAction extends Action {
42  
43      // ------------------------------------------------------------ Constructors
44  
45      /**
46       * Constructor for ProcessOptionsAction.
47       */
48      public ProcessLocalizationAction() {
49          super();
50      }
51  
52      // ---------------------------------------------------------- Action Methods
53  
54      /**
55       * Process the request and return an <code>ActionForward</code> instance
56       * describing where and how control should be forwarded, or
57       * <code>null</code>if the response has already been completed.
58       *
59       * @param mapping The ActionMapping used to select this instance
60       * @param form The optional ActionForm bean for this request (if any)
61       * @param request The HTTP request we are processing
62       * @param response The HTTP response we are creating
63       *
64       * @exception Exception if the application logic throws an exception
65       *
66       * @return the ActionForward for the next view
67       */
68      public ActionForward execute(
69          ActionMapping mapping,
70          ActionForm form,
71          HttpServletRequest request,
72          HttpServletResponse response)
73          throws Exception {
74  
75          // Extract attributes we will need
76          HttpSession session = request.getSession();
77  
78          // Get locale from request, if any
79          Locale locale = request.getLocale();
80  
81          // If supplied, set Locale based on request parameters;
82          // country and language
83          String language = request.getParameter("language");
84          String country = request.getParameter("country");
85  
86          if ((language != null && language.length() > 0)
87              && (country != null && country.length() > 0)) {
88              locale = new java.util.Locale(language, country);
89          } else if (language != null && language.length() > 0) {
90              locale = new java.util.Locale(language, "");
91          }
92  
93          //Save locale
94          session.setAttribute(Globals.LOCALE_KEY, locale);
95  
96          // Forward to result page
97          return mapping.findForward("success");
98      }
99  
100 }