1 /**
2 * This file Copyright (c) 2003-2010 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.filters;
35
36 import info.magnolia.cms.beans.config.URI2RepositoryManager;
37 import info.magnolia.cms.beans.config.URI2RepositoryMapping;
38 import info.magnolia.cms.core.AggregationState;
39 import info.magnolia.context.MgnlContext;
40
41 import java.io.IOException;
42
43 import javax.servlet.FilterChain;
44 import javax.servlet.ServletException;
45 import javax.servlet.http.HttpServletRequest;
46 import javax.servlet.http.HttpServletResponse;
47
48 import org.apache.commons.lang.StringUtils;
49 import org.slf4j.Logger;
50 import org.slf4j.LoggerFactory;
51
52 /**
53 * Maps a URI to content stored in the repository. Determine the workspace name
54 * and content path.
55 *
56 * @see URI2RepositoryMapping, {@link URI2RepositoryManager}
57 * @author philipp
58 */
59 public class RepositoryMappingFilter extends AbstractMgnlFilter {
60 private static final Logger log = LoggerFactory.getLogger(RepositoryMappingFilter.class);
61
62 public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException {
63 String uri = MgnlContext.getAggregationState().getCurrentURI();
64 int firstDotPos = StringUtils.indexOf(uri, '.', StringUtils.lastIndexOf(uri, '/'));
65 String handle;
66 // TODO Warning - this might change in the future - see MAGNOLIA-2343 for details.
67 String selector;
68 if (firstDotPos > -1) {
69 int lastDotPos = StringUtils.lastIndexOf(uri, '.');
70 handle = StringUtils.substring(uri, 0, firstDotPos);
71 selector = StringUtils.substring(uri, firstDotPos + 1, lastDotPos);
72 }
73 else {
74 // no dots (and no extension)
75 handle = uri;
76 selector = "";
77 }
78
79 URI2RepositoryMapping mapping = URI2RepositoryManager.getInstance().getMapping(uri);
80
81 // remove prefix if any
82 handle = mapping.getHandle(handle);
83
84 final AggregationState aggregationState = MgnlContext.getAggregationState();
85 aggregationState.setRepository(mapping.getRepository());
86 aggregationState.setHandle(handle);
87
88 // selector could potentially be set from some other place, but we have no better idea for now :)
89 aggregationState.setSelector(selector);
90
91 chain.doFilter(request, response);
92 }
93 }