001
014
015 package com.liferay.portlet.wiki.engines.jspwiki;
016
017 import com.ecyrd.jspwiki.QueryItem;
018 import com.ecyrd.jspwiki.WikiEngine;
019 import com.ecyrd.jspwiki.WikiPage;
020 import com.ecyrd.jspwiki.attachment.Attachment;
021 import com.ecyrd.jspwiki.providers.ProviderException;
022 import com.ecyrd.jspwiki.providers.WikiAttachmentProvider;
023
024 import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayInputStream;
025 import com.liferay.portal.kernel.repository.model.FileEntry;
026 import com.liferay.portal.kernel.util.GetterUtil;
027 import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
028
029 import java.io.InputStream;
030
031 import java.util.ArrayList;
032 import java.util.Collection;
033 import java.util.Collections;
034 import java.util.Date;
035 import java.util.List;
036 import java.util.Properties;
037
038
041 public class LiferayAttachmentProvider implements WikiAttachmentProvider {
042
043 @Override
044 public void deleteAttachment(Attachment attachment) {
045 }
046
047 @Override
048 public void deleteVersion(Attachment attachment) {
049 }
050
051 @Override
052 public Collection<Attachment> findAttachments(QueryItem[] query) {
053 return Collections.emptyList();
054 }
055
056 @Override
057 public InputStream getAttachmentData(Attachment attachment) {
058 return _EMPTY_STREAM;
059 }
060
061 @Override
062 public Attachment getAttachmentInfo(WikiPage page, String name, int version)
063 throws ProviderException {
064
065 com.liferay.portlet.wiki.model.WikiPage wikiPage = null;
066
067 try {
068 wikiPage = WikiPageLocalServiceUtil.getPage(
069 _nodeId, page.getName());
070
071 for (FileEntry fileEntry : wikiPage.getAttachmentsFileEntries()) {
072 String title = fileEntry.getTitle();
073
074 if (title.equals(name)) {
075 return new Attachment(_engine, page.getName(), name);
076 }
077 }
078
079 return null;
080 }
081 catch (Exception e) {
082 throw new ProviderException(e.toString());
083 }
084 }
085
086 @Override
087 public String getProviderInfo() {
088 return LiferayAttachmentProvider.class.getName();
089 }
090
091 @Override
092 public List<Attachment> getVersionHistory(Attachment attachment) {
093 List<Attachment> history = new ArrayList<Attachment>();
094
095 history.add(attachment);
096
097 return history;
098 }
099
100 @Override
101 public void initialize(WikiEngine engine, Properties props) {
102 _engine = engine;
103 _nodeId = GetterUtil.getLong(props.getProperty("nodeId"));
104 }
105
106 @Override
107 public List<Attachment> listAllChanged(Date timestamp) {
108 return Collections.emptyList();
109 }
110
111 @Override
112 public Collection<Attachment> listAttachments(WikiPage page) {
113 return Collections.emptyList();
114 }
115
116 @Override
117 public void moveAttachmentsForPage(String oldParent, String newParent) {
118 }
119
120 @Override
121 public void putAttachmentData(Attachment attachment, InputStream data) {
122 }
123
124 private static final InputStream _EMPTY_STREAM =
125 new UnsyncByteArrayInputStream(new byte[0]);
126
127 private WikiEngine _engine;
128 private long _nodeId;
129
130 }