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.wiki.engines.jspwiki;
24  
25  import com.ecyrd.jspwiki.QueryItem;
26  import com.ecyrd.jspwiki.WikiEngine;
27  import com.ecyrd.jspwiki.WikiPage;
28  import com.ecyrd.jspwiki.attachment.Attachment;
29  import com.ecyrd.jspwiki.providers.ProviderException;
30  import com.ecyrd.jspwiki.providers.WikiAttachmentProvider;
31  
32  import com.liferay.portal.kernel.util.FileUtil;
33  import com.liferay.portal.kernel.util.GetterUtil;
34  import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
35  
36  import java.io.ByteArrayInputStream;
37  import java.io.InputStream;
38  
39  import java.util.ArrayList;
40  import java.util.Collection;
41  import java.util.Collections;
42  import java.util.Date;
43  import java.util.List;
44  import java.util.Properties;
45  
46  /**
47   * <a href="LiferayAttachmentProvider.java.html"><b><i>View Source</i></b></a>
48   *
49   * @author Jorge Ferrer
50   *
51   */
52  public class LiferayAttachmentProvider implements WikiAttachmentProvider {
53  
54      public void deleteAttachment(Attachment attachment) {
55      }
56  
57      public void deleteVersion(Attachment attachment) {
58      }
59  
60      public Collection<Attachment> findAttachments(QueryItem[] query) {
61          return Collections.emptyList();
62      }
63  
64      public InputStream getAttachmentData(Attachment attachment) {
65          return _EMPTY_STREAM;
66      }
67  
68      public Attachment getAttachmentInfo(WikiPage page, String name, int version)
69          throws ProviderException {
70  
71          com.liferay.portlet.wiki.model.WikiPage wikiPage = null;
72  
73          try {
74              wikiPage = WikiPageLocalServiceUtil.getPage(
75                  _nodeId, page.getName());
76  
77              String[] attachments = wikiPage.getAttachmentsFiles();
78  
79              for (int i = 0; i < attachments.length; i++) {
80                  String fileName = FileUtil.getShortFileName(attachments[i]);
81  
82                  if (fileName.equals(name)) {
83                      return new Attachment(_engine, page.getName(), name);
84                  }
85              }
86  
87              return null;
88          }
89          catch (Exception e) {
90              throw new ProviderException(e.toString());
91          }
92      }
93  
94      public String getProviderInfo() {
95          return LiferayAttachmentProvider.class.getName();
96      }
97  
98      public List<Attachment> getVersionHistory(Attachment attachment) {
99          List<Attachment> history = new ArrayList<Attachment>();
100 
101         history.add(attachment);
102 
103         return history;
104     }
105 
106     public void initialize(WikiEngine engine, Properties props) {
107         _engine = engine;
108         _nodeId = GetterUtil.getLong(props.getProperty("nodeId"));
109     }
110 
111     public List<Attachment> listAllChanged(Date timestamp) {
112         return Collections.emptyList();
113     }
114 
115     public Collection<Attachment> listAttachments(WikiPage page) {
116         return Collections.emptyList();
117     }
118 
119     public void moveAttachmentsForPage(String oldParent, String newParent) {
120     }
121 
122     public void putAttachmentData(Attachment attachment, InputStream data) {
123     }
124 
125     private static final InputStream _EMPTY_STREAM =
126         new ByteArrayInputStream(new byte[0]);
127 
128     private WikiEngine _engine;
129     private long _nodeId;
130 
131 }