LocaleResolver


1   /**
2    * Licensed under the Artistic License; you may not use this file
3    * except in compliance with the License.
4    * You may obtain a copy of the License at
5    *
6    *      http://displaytag.sourceforge.net/license.html
7    *
8    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
9    * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
10   * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
11   */
12  package org.displaytag.localization;
13  
14  import java.util.Locale  ;
15  
16  import javax.servlet.http.HttpServletRequest  ;
17  
18  
19  /**
20   * Handle the selection of the user locale. By default <code>request.getLocale()</code> is used, but specific
21   * implementations can use different way to determine the locale, for example looking at session variables or cookies.
22   * @author Fabrizio Giustina
23   * @version $Revision: 720 $ ($Author: fgiust $)
24   */
25  public interface LocaleResolver
26  {
27  
28      /**
29       * Returns the Locale choosen for the given request.
30       * @param request HttpServletRequest
31       * @return a valid Locale (<code>null</code> should never be returned)
32       */
33      Locale   resolveLocale(HttpServletRequest   request);
34  }
35

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