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 public void deleteAttachment(Attachment attachment) {
044 }
045
046 public void deleteVersion(Attachment attachment) {
047 }
048
049 public Collection<Attachment> findAttachments(QueryItem[] query) {
050 return Collections.emptyList();
051 }
052
053 public InputStream getAttachmentData(Attachment attachment) {
054 return _EMPTY_STREAM;
055 }
056
057 public Attachment getAttachmentInfo(WikiPage page, String name, int version)
058 throws ProviderException {
059
060 com.liferay.portlet.wiki.model.WikiPage wikiPage = null;
061
062 try {
063 wikiPage = WikiPageLocalServiceUtil.getPage(
064 _nodeId, page.getName());
065
066 for (FileEntry fileEntry : wikiPage.getAttachmentsFileEntries()) {
067 String title = fileEntry.getTitle();
068
069 if (title.equals(name)) {
070 return new Attachment(_engine, page.getName(), name);
071 }
072 }
073
074 return null;
075 }
076 catch (Exception e) {
077 throw new ProviderException(e.toString());
078 }
079 }
080
081 public String getProviderInfo() {
082 return LiferayAttachmentProvider.class.getName();
083 }
084
085 public List<Attachment> getVersionHistory(Attachment attachment) {
086 List<Attachment> history = new ArrayList<Attachment>();
087
088 history.add(attachment);
089
090 return history;
091 }
092
093 public void initialize(WikiEngine engine, Properties props) {
094 _engine = engine;
095 _nodeId = GetterUtil.getLong(props.getProperty("nodeId"));
096 }
097
098 public List<Attachment> listAllChanged(Date timestamp) {
099 return Collections.emptyList();
100 }
101
102 public Collection<Attachment> listAttachments(WikiPage page) {
103 return Collections.emptyList();
104 }
105
106 public void moveAttachmentsForPage(String oldParent, String newParent) {
107 }
108
109 public void putAttachmentData(Attachment attachment, InputStream data) {
110 }
111
112 private static final InputStream _EMPTY_STREAM =
113 new UnsyncByteArrayInputStream(new byte[0]);
114
115 private WikiEngine _engine;
116 private long _nodeId;
117
118 }