1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   *
13   */
14  
15  package com.liferay.portlet.wiki.engines.jspwiki;
16  
17  import com.ecyrd.jspwiki.QueryItem;
18  import com.ecyrd.jspwiki.WikiEngine;
19  import com.ecyrd.jspwiki.WikiPage;
20  import com.ecyrd.jspwiki.attachment.Attachment;
21  import com.ecyrd.jspwiki.providers.ProviderException;
22  import com.ecyrd.jspwiki.providers.WikiAttachmentProvider;
23  
24  import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayInputStream;
25  import com.liferay.portal.kernel.util.FileUtil;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
28  
29  import java.io.InputStream;
30  
31  import java.util.ArrayList;
32  import java.util.Collection;
33  import java.util.Collections;
34  import java.util.Date;
35  import java.util.List;
36  import java.util.Properties;
37  
38  /**
39   * <a href="LiferayAttachmentProvider.java.html"><b><i>View Source</i></b></a>
40   *
41   * @author Jorge Ferrer
42   */
43  public class LiferayAttachmentProvider implements WikiAttachmentProvider {
44  
45      public void deleteAttachment(Attachment attachment) {
46      }
47  
48      public void deleteVersion(Attachment attachment) {
49      }
50  
51      public Collection<Attachment> findAttachments(QueryItem[] query) {
52          return Collections.emptyList();
53      }
54  
55      public InputStream getAttachmentData(Attachment attachment) {
56          return _EMPTY_STREAM;
57      }
58  
59      public Attachment getAttachmentInfo(WikiPage page, String name, int version)
60          throws ProviderException {
61  
62          com.liferay.portlet.wiki.model.WikiPage wikiPage = null;
63  
64          try {
65              wikiPage = WikiPageLocalServiceUtil.getPage(
66                  _nodeId, page.getName());
67  
68              String[] attachments = wikiPage.getAttachmentsFiles();
69  
70              for (int i = 0; i < attachments.length; i++) {
71                  String fileName = FileUtil.getShortFileName(attachments[i]);
72  
73                  if (fileName.equals(name)) {
74                      return new Attachment(_engine, page.getName(), name);
75                  }
76              }
77  
78              return null;
79          }
80          catch (Exception e) {
81              throw new ProviderException(e.toString());
82          }
83      }
84  
85      public String getProviderInfo() {
86          return LiferayAttachmentProvider.class.getName();
87      }
88  
89      public List<Attachment> getVersionHistory(Attachment attachment) {
90          List<Attachment> history = new ArrayList<Attachment>();
91  
92          history.add(attachment);
93  
94          return history;
95      }
96  
97      public void initialize(WikiEngine engine, Properties props) {
98          _engine = engine;
99          _nodeId = GetterUtil.getLong(props.getProperty("nodeId"));
100     }
101 
102     public List<Attachment> listAllChanged(Date timestamp) {
103         return Collections.emptyList();
104     }
105 
106     public Collection<Attachment> listAttachments(WikiPage page) {
107         return Collections.emptyList();
108     }
109 
110     public void moveAttachmentsForPage(String oldParent, String newParent) {
111     }
112 
113     public void putAttachmentData(Attachment attachment, InputStream data) {
114     }
115 
116     private static final InputStream _EMPTY_STREAM =
117         new UnsyncByteArrayInputStream(new byte[0]);
118 
119     private WikiEngine _engine;
120     private long _nodeId;
121 
122 }