001/* 002 * (C) Copyright 2014 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 * <a href="mailto:grenard@nuxeo.com">Guillaume</a> 018 */ 019package org.nuxeo.ecm.collections.core.listener; 020 021import org.apache.commons.logging.Log; 022import org.apache.commons.logging.LogFactory; 023import org.nuxeo.ecm.collections.api.CollectionManager; 024import org.nuxeo.ecm.core.api.DocumentModel; 025import org.nuxeo.ecm.core.event.Event; 026import org.nuxeo.ecm.core.event.EventContext; 027import org.nuxeo.ecm.core.event.EventListener; 028import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 029import org.nuxeo.runtime.api.Framework; 030 031/** 032 * Synchronous event handler to update Collection of a removed CollectiomMember and CollectionMember of a Collection by 033 * scheduling an asynchronous work. 034 * 035 * @since 5.9.3 036 */ 037public class RemovedCollectionListener implements EventListener { 038 039 private static final Log log = LogFactory.getLog(RemovedCollectionListener.class); 040 041 @Override 042 public void handleEvent(Event event) { 043 044 final EventContext ctx = event.getContext(); 045 if (!(ctx instanceof DocumentEventContext)) { 046 return; 047 } 048 049 final DocumentModel doc = ((DocumentEventContext) ctx).getSourceDocument(); 050 051 final CollectionManager collectionManager = Framework.getService(CollectionManager.class); 052 053 final boolean isCollectionRemoved = collectionManager.isCollection(doc); 054 final boolean isCollectionMemberRemoved = collectionManager.isCollected(doc); 055 056 if (isCollectionRemoved) { 057 log.trace(String.format("Collection %s removed", doc.getId())); 058 collectionManager.processRemovedCollection(doc); 059 } else if (isCollectionMemberRemoved) { 060 log.trace(String.format("CollectionMember %s removed", doc.getId())); 061 collectionManager.processRemovedCollectionMember(doc); 062 } 063 } 064 065}