1 /**
2 * This file Copyright (c) 2003-2017 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.i18n;
35
36 import info.magnolia.cms.core.AggregationState;
37 import info.magnolia.cms.filters.AbstractMgnlFilter;
38 import info.magnolia.context.MgnlContext;
39 import info.magnolia.objectfactory.Components;
40
41 import java.io.IOException;
42 import java.util.Locale;
43
44 import javax.inject.Inject;
45 import javax.servlet.FilterChain;
46 import javax.servlet.ServletException;
47 import javax.servlet.http.HttpServletRequest;
48 import javax.servlet.http.HttpServletResponse;
49 import javax.servlet.jsp.jstl.core.Config;
50
51 /**
52 * Rewrites the i18n uris and sets the current locale.
53 */
54 public class I18nContentSupportFilter extends AbstractMgnlFilter {
55
56 private final I18nContentSupport i18nContentSupport;
57
58 /**
59 * @deprecated since 5.5.4, use {@link I18nContentSupport(I18nContentSupport)} instead.
60 */
61 @Deprecated
62 public I18nContentSupportFilter() {
63 this(Components.getComponent(I18nContentSupport.class));
64 }
65
66 @Inject
67 public I18nContentSupportFilter(I18nContentSupport i18nContentSupport) {
68 this.i18nContentSupport = i18nContentSupport;
69 }
70 @Override
71 public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException {
72 if (i18nContentSupport != null) {
73
74 final Locale locale = i18nContentSupport.determineLocale();
75 i18nContentSupport.setLocale(locale);
76
77 AggregationState aggregationState = MgnlContext.getAggregationState();
78 String currentUri = aggregationState.getCurrentURI();
79 String newUri = i18nContentSupport.toRawURI(currentUri);
80 // MAGNOLIA-2064 ... do not set current uri if it hasn't changed to prevent double removal of context path.
81 if (!currentUri.equals(newUri)) {
82 aggregationState.setCurrentURI(newUri);
83 }
84
85 // make the locale available to jstl
86 Config.set(request, Config.FMT_LOCALE, locale);
87 }
88
89 chain.doFilter(request, response);
90 }
91 }