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.service; 017 018import static org.nuxeo.ecm.platform.rendition.Constants.RENDITION_NAME_PROPERTY; 019import static org.nuxeo.ecm.platform.rendition.Constants.RENDITION_SOURCE_ID_PROPERTY; 020 021import java.util.List; 022 023import org.nuxeo.ecm.core.api.DocumentModel; 024import org.nuxeo.ecm.core.api.UnrestrictedSessionRunner; 025 026/** 027 * Retrives stored Rendition associated to a DocumentModel. 028 * <p> 029 * Can run Unrestricted or not. 030 * 031 * @author <a href="mailto:tdelprat@nuxeo.com">Tiry</a> 032 */ 033public class RenditionFinder extends UnrestrictedSessionRunner { 034 035 protected final DocumentModel source; 036 037 protected DocumentModel storedRendition; 038 039 protected final String definitionName; 040 041 protected RenditionFinder(DocumentModel source, String definitionName) { 042 super(source.getCoreSession()); 043 this.source = source; 044 this.definitionName = definitionName; 045 } 046 047 @Override 048 public void run() { 049 050 String query = "select * from Document where ecm:isProxy = 0 AND ecm:isCheckedInVersion = 1 AND "; 051 query = query + RENDITION_NAME_PROPERTY + "='" + definitionName + "' AND "; 052 String versionUUUID = source.getId(); 053 if (!source.isVersion() && !source.isCheckedOut()) { 054 DocumentModel lastVersion = session.getLastDocumentVersion(source.getRef()); 055 if (lastVersion != null) { 056 versionUUUID = lastVersion.getId(); 057 } else { 058 // no version at all 059 return; 060 } 061 } 062 query = query + RENDITION_SOURCE_ID_PROPERTY + "='" + versionUUUID + "' "; 063 064 query = query + " order by dc:modified desc "; 065 066 List<DocumentModel> docs = session.query(query); 067 if (docs.size() > 0) { 068 storedRendition = docs.get(0); 069 storedRendition.detach(true); 070 } 071 } 072 073 public DocumentModel getStoredRendition() { 074 return storedRendition; 075 } 076 077}