1   /**
2    * Copyright (c) 2000-2007 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.util.GetterUtil;
26  import com.liferay.util.Http;
27  
28  import java.io.StringReader;
29  
30  import java.util.Map;
31  
32  import javax.xml.transform.Source;
33  import javax.xml.transform.stream.StreamSource;
34  
35  import org.apache.commons.logging.Log;
36  import org.apache.commons.logging.LogFactory;
37  
38  /**
39   * <a href="URIResolver.java.html"><b><i>View Source</i></b></a>
40   *
41   * @author Brian Wing Shun Chan
42   *
43   */
44  public class URIResolver implements javax.xml.transform.URIResolver {
45  
46      public URIResolver(Map tokens, String languageId) {
47          _tokens = tokens;
48          _languageId = languageId;
49      }
50  
51      public Source resolve(String href, String base) {
52          try {
53              String content = null;
54  
55              int templatePathIndex = href.indexOf(_GET_TEMPLATE_PATH);
56  
57              if (templatePathIndex >= 0) {
58                  int templateIdIndex =
59                      templatePathIndex + _GET_TEMPLATE_PATH.length();
60  
61                  long groupId = GetterUtil.getLong(
62                      (String)_tokens.get("group_id"));
63                  String templateId =
64                      href.substring(templateIdIndex, href.length());
65  
66                  content = JournalUtil.getTemplateScript(
67                      groupId, templateId, _tokens, _languageId);
68              }
69              else {
70                  content = Http.URLtoString(href);
71              }
72  
73              return new StreamSource(new StringReader(content));
74          }
75          catch (Exception e) {
76              _log.error(href + " does not reference a valid template");
77  
78              return null;
79          }
80      }
81  
82      private static final String _GET_TEMPLATE_PATH =
83          "/c/journal/get_template?template_id=";
84  
85      private static Log _log = LogFactory.getLog(URIResolver.class);
86  
87      private Map _tokens;
88      private String _languageId;
89  
90  }