1   /**
2    * Copyright (c) 2000-2008 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.NoRequiredPropertyException;
26  import com.ecyrd.jspwiki.QueryItem;
27  import com.ecyrd.jspwiki.WikiEngine;
28  import com.ecyrd.jspwiki.WikiPage;
29  import com.ecyrd.jspwiki.attachment.Attachment;
30  import com.ecyrd.jspwiki.providers.ProviderException;
31  import com.ecyrd.jspwiki.providers.WikiAttachmentProvider;
32  
33  import com.liferay.portal.kernel.util.GetterUtil;
34  import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
35  import com.liferay.util.FileUtil;
36  
37  import java.io.ByteArrayInputStream;
38  import java.io.IOException;
39  import java.io.InputStream;
40  
41  import java.util.ArrayList;
42  import java.util.Collection;
43  import java.util.Collections;
44  import java.util.Date;
45  import java.util.List;
46  import java.util.Properties;
47  
48  /**
49   * <a href="LiferayAttachmentProvider.java.html"><b><i>View Source</i></b></a>
50   *
51   * @author Jorge Ferrer
52   *
53   */
54  public class LiferayAttachmentProvider implements WikiAttachmentProvider {
55  
56      public void deleteAttachment(Attachment attachment)
57          throws ProviderException {
58      }
59  
60      public void deleteVersion(Attachment attachment) throws ProviderException {
61      }
62  
63      public Collection<Attachment> findAttachments(QueryItem[] query) {
64          return Collections.emptyList();
65      }
66  
67      public InputStream getAttachmentData(Attachment attachment)
68          throws IOException, ProviderException {
69  
70          return _EMPTY_STREAM;
71      }
72  
73      public Attachment getAttachmentInfo(WikiPage page, String name, int version)
74          throws ProviderException {
75  
76          com.liferay.portlet.wiki.model.WikiPage wikiPage = null;
77  
78          try {
79              wikiPage = WikiPageLocalServiceUtil.getPage(
80                  _nodeId, page.getName());
81  
82              String[] attachments = wikiPage.getAttachmentsFiles();
83  
84              for (int i = 0; i < attachments.length; i++) {
85                  String fileName = FileUtil.getShortFileName(attachments[i]);
86  
87                  if (fileName.equals(name)) {
88                      return new Attachment(_engine, page.getName(), name);
89                  }
90              }
91  
92              return null;
93          }
94          catch (Exception e) {
95              throw new ProviderException(e.toString());
96          }
97      }
98  
99      public String getProviderInfo() {
100         return LiferayAttachmentProvider.class.getName();
101     }
102 
103     public List<Attachment> getVersionHistory(Attachment attachment) {
104         List<Attachment> history = new ArrayList<Attachment>();
105 
106         history.add(attachment);
107 
108         return history;
109     }
110 
111     public void initialize(WikiEngine engine, Properties props)
112         throws IOException, NoRequiredPropertyException {
113 
114         _engine = engine;
115         _nodeId = GetterUtil.getLong(props.getProperty("nodeId"));
116     }
117 
118     public List<Attachment> listAllChanged(Date timestamp)
119         throws ProviderException {
120 
121         return Collections.emptyList();
122     }
123 
124     public Collection<Attachment> listAttachments(WikiPage page)
125         throws ProviderException {
126 
127         return Collections.emptyList();
128     }
129 
130     public void moveAttachmentsForPage(String oldParent, String newParent)
131         throws ProviderException {
132     }
133 
134     public void putAttachmentData(Attachment attachment, InputStream data)
135         throws IOException, ProviderException {
136     }
137 
138     private static final InputStream _EMPTY_STREAM =
139         new ByteArrayInputStream(new byte[0]);
140 
141     private WikiEngine _engine;
142     private long _nodeId;
143 
144 }