001/* 002 * (C) Copyright 2006-2009 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.platform.filemanager.core.listener; 023 024import java.security.Principal; 025import java.util.ArrayList; 026import java.util.List; 027 028import org.apache.commons.logging.Log; 029import org.apache.commons.logging.LogFactory; 030import org.nuxeo.ecm.core.api.CoreSession; 031import org.nuxeo.ecm.core.api.DocumentLocation; 032import org.nuxeo.ecm.core.api.DocumentModel; 033import org.nuxeo.ecm.core.api.event.DocumentEventTypes; 034import org.nuxeo.ecm.core.event.Event; 035import org.nuxeo.ecm.core.event.EventContext; 036import org.nuxeo.ecm.core.event.EventListener; 037import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 038 039public class SynchronousUnicityCheckListener extends AbstractUnicityChecker implements EventListener { 040 041 private static final Log log = LogFactory.getLog(SynchronousUnicityCheckListener.class); 042 043 public void handleEvent(Event event) { 044 if (!isUnicityCheckEnabled()) { 045 return; 046 } 047 048 List<String> uuids = new ArrayList<String>(); 049 if (DocumentEventTypes.DOCUMENT_CREATED.equals(event.getName()) 050 || DocumentEventTypes.DOCUMENT_UPDATED.equals(event.getName())) { 051 EventContext ctx = event.getContext(); 052 if (ctx instanceof DocumentEventContext) { 053 DocumentEventContext docCtx = (DocumentEventContext) ctx; 054 055 DocumentModel doc2Check = docCtx.getSourceDocument(); 056 if (doc2Check.isProxy()) { 057 // NOP 058 } 059 if (!uuids.contains(doc2Check.getId())) { 060 uuids.add(doc2Check.getId()); 061 doUnicityCheck(doc2Check, docCtx.getCoreSession(), event); 062 } 063 } 064 } 065 } 066 067 @Override 068 protected void onDuplicatedDoc(CoreSession session, Principal principal, DocumentModel newDoc, 069 List<DocumentLocation> existingDocs, Event event) { 070 // simply send a message 071 log.info("Duplicated file detected"); 072 raiseDuplicatedFileEvent(session, principal, newDoc, existingDocs); 073 } 074 075}