/*

  * FCKeditor - The text editor for Internet - http://www.fckeditor.net

  * Copyright (C) 2004-2010 Frederico Caldeira Knabben

  * 

  * == BEGIN LICENSE ==

  * 

  * Licensed under the terms of any of the following licenses at your

  * choice:

  * 

  *  - GNU General Public License Version 2 or later (the "GPL")

  *    http://www.gnu.org/licenses/gpl.html

  * 

  *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")

  *    http://www.gnu.org/licenses/lgpl.html

  * 

  *  - Mozilla Public License Version 1.1 or later (the "MPL")

  *    http://www.mozilla.org/MPL/MPL-1.1.html

  * 

  * == END LICENSE ==

  */

 package net.fckeditor.localization.impl;

 import java.util.Locale;

 import javax.servlet.ServletRequest;

 import javax.servlet.http.HttpServletRequest;

 import net.fckeditor.localization.LocaleResolver;

 import net.fckeditor.tool.Utils;

 /**

  * HTTP header implementation of the locale resolver. It resolves the current

  * user locale by calling {@link ServletRequest#getLocale()} if and only if the

  * <code>Accept-Language</code> header is not empty.

  * 

  * @version $Id: AcceptLanguageHeaderResolver.java 4785 2009-12-21 20:10:28Z mosipov $

  */

 public class AcceptLanguageHeaderResolver implements LocaleResolver {

         public Locale resolveLocale(final HttpServletRequest request) {

                 if (Utils.isNotEmpty(request.getHeader("Accept-Language")))

                         return request.getLocale();

                 else

                         return null;

         }

 }