001/* 002 * (C) Copyright 2010 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * Contributors: 014 * Nuxeo - initial API and implementation 015 */ 016package org.nuxeo.ecm.platform.rendition.publisher; 017 018import static org.nuxeo.ecm.platform.rendition.Constants.RENDITION_SOURCE_VERSIONABLE_ID_PROPERTY; 019 020import java.io.Serializable; 021import java.util.ArrayList; 022import java.util.HashMap; 023import java.util.List; 024import java.util.Map; 025 026import org.nuxeo.ecm.core.api.CoreSession; 027import org.nuxeo.ecm.core.api.DocumentModel; 028import org.nuxeo.ecm.core.api.IdRef; 029import org.nuxeo.ecm.core.api.UnrestrictedSessionRunner; 030import org.nuxeo.ecm.core.api.event.CoreEventConstants; 031import org.nuxeo.ecm.core.api.event.DocumentEventCategories; 032import org.nuxeo.ecm.core.event.Event; 033import org.nuxeo.ecm.core.event.EventService; 034import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 035import org.nuxeo.runtime.api.Framework; 036 037/** 038 * Remove proxy to the same stored rendition with a different version. 039 * 040 * @author <a href="mailto:tdelprat@nuxeo.com">Tiry</a> 041 */ 042public class RenditionsRemover extends UnrestrictedSessionRunner { 043 044 public static final String RENDITION_PROXY_PUBLISHED = "renditionProxyPublished"; 045 046 protected final DocumentModel proxy; 047 048 protected RenditionsRemover(DocumentModel source) { 049 super(source.getCoreSession()); 050 this.proxy = source; 051 } 052 053 @Override 054 public void run() { 055 056 String targetUUID = (String) proxy.getPropertyValue(RENDITION_SOURCE_VERSIONABLE_ID_PROPERTY); 057 058 String query = "select * from Document where "; 059 query = query + RENDITION_SOURCE_VERSIONABLE_ID_PROPERTY + "='" + targetUUID + "' "; 060 061 query = query + " AND ecm:parentId='" + proxy.getParentRef().toString() + "'"; 062 063 List<String> removedProxyIds = new ArrayList<String>(); 064 List<DocumentModel> docs = session.query(query); 065 066 // Get removed proxy ids 067 for (DocumentModel doc : docs) { 068 if (!doc.getId().equals(proxy.getId())) { 069 removedProxyIds.add(doc.getId()); 070 } 071 } 072 073 // Notify rendition published for copy of relations from removed proxies 074 // to new proxy 075 notifyRenditionPublished(removedProxyIds); 076 077 // Perform remove 078 for (String docId : removedProxyIds) { 079 session.removeDocument(new IdRef(docId)); 080 } 081 } 082 083 protected void notifyRenditionPublished(List<String> removedProxyIds) { 084 Map<String, Serializable> options = new HashMap<String, Serializable>(); 085 options.put(CoreEventConstants.REPLACED_PROXY_IDS, (Serializable) removedProxyIds); 086 notifyEvent(RENDITION_PROXY_PUBLISHED, proxy, options); 087 } 088 089 protected void notifyEvent(String eventId, DocumentModel doc, Map<String, Serializable> options) 090 { 091 CoreSession session = doc.getCoreSession(); 092 DocumentEventContext ctx = new DocumentEventContext(session, session.getPrincipal(), doc); 093 if (options != null) { 094 ctx.setProperties(options); 095 } 096 ctx.setProperty("category", DocumentEventCategories.EVENT_DOCUMENT_CATEGORY); 097 Event event = ctx.newEvent(eventId); 098 getEventService().fireEvent(event); 099 } 100 101 protected EventService getEventService() { 102 return Framework.getLocalService(EventService.class); 103 } 104 105}