1 /*
2 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
3 * Copyright (C) 2004-2009 Frederico Caldeira Knabben
4 *
5 * == BEGIN LICENSE ==
6 *
7 * Licensed under the terms of any of the following licenses at your
8 * choice:
9 *
10 * - GNU General Public License Version 2 or later (the "GPL")
11 * http://www.gnu.org/licenses/gpl.html
12 *
13 * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
14 * http://www.gnu.org/licenses/lgpl.html
15 *
16 * - Mozilla Public License Version 1.1 or later (the "MPL")
17 * http://www.mozilla.org/MPL/MPL-1.1.html
18 *
19 * == END LICENSE ==
20 */
21 package net.fckeditor.localization.impl;
22
23 import java.util.Locale;
24
25 import javax.servlet.ServletRequest;
26 import javax.servlet.http.HttpServletRequest;
27
28 import net.fckeditor.localization.LocaleResolver;
29 import net.fckeditor.tool.Utils;
30
31 /**
32 * HTTP header implementation of the locale resolver. It resolves the current
33 * user locale by calling {@link ServletRequest#getLocale()} if and only if the
34 * <code>Accept-Language</code> header is not empty.
35 *
36 * @version $Id: AcceptLanguageHeaderResolver.java 3759 2009-06-22 20:02:26Z mosipov $
37 */
38 public class AcceptLanguageHeaderResolver implements LocaleResolver {
39
40 public Locale resolveLocale(final HttpServletRequest request) {
41
42 if (Utils.isNotEmpty(request.getHeader("Accept-Language")))
43 return request.getLocale();
44 else
45 return null;
46 }
47
48 }