1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.journal.util;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.GetterUtil;
28  import com.liferay.portal.kernel.util.HttpUtil;
29  
30  import java.io.StringReader;
31  
32  import java.util.Map;
33  
34  import javax.xml.transform.Source;
35  import javax.xml.transform.stream.StreamSource;
36  
37  /**
38   * <a href="URIResolver.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   *
42   */
43  public class URIResolver implements javax.xml.transform.URIResolver {
44  
45      public URIResolver(Map<String, String> tokens, String languageId) {
46          _tokens = tokens;
47          _languageId = languageId;
48      }
49  
50      public Source resolve(String href, String base) {
51          try {
52              String content = null;
53  
54              int templatePathIndex = href.indexOf(_GET_TEMPLATE_PATH);
55  
56              if (templatePathIndex >= 0) {
57                  int templateIdIndex =
58                      templatePathIndex + _GET_TEMPLATE_PATH.length();
59  
60                  long groupId = GetterUtil.getLong(_tokens.get("group_id"));
61                  String templateId =
62                      href.substring(templateIdIndex, href.length());
63  
64                  content = JournalUtil.getTemplateScript(
65                      groupId, templateId, _tokens, _languageId);
66              }
67              else {
68                  content = HttpUtil.URLtoString(href);
69              }
70  
71              return new StreamSource(new StringReader(content));
72          }
73          catch (Exception e) {
74              _log.error(href + " does not reference a valid template");
75  
76              return null;
77          }
78      }
79  
80      private static final String _GET_TEMPLATE_PATH =
81          "/c/journal/get_template?template_id=";
82  
83      private static Log _log = LogFactoryUtil.getLog(URIResolver.class);
84  
85      private Map<String, String> _tokens;
86      private String _languageId;
87  
88  }