001/*
002 * (C) Copyright 2015 Nuxeo SA (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-2.1.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 *
014 * Contributors:
015 *     <a href="mailto:grenard@nuxeo.com">Guillaume</a>
016 */
017package org.nuxeo.ecm.collections.core.listener;
018
019import org.apache.commons.logging.Log;
020import org.apache.commons.logging.LogFactory;
021import org.nuxeo.ecm.collections.api.CollectionManager;
022import org.nuxeo.ecm.core.api.DocumentModel;
023import org.nuxeo.ecm.core.api.IdRef;
024import org.nuxeo.ecm.core.api.event.DocumentEventTypes;
025import org.nuxeo.ecm.core.api.facet.VersioningDocument;
026import org.nuxeo.ecm.core.event.Event;
027import org.nuxeo.ecm.core.event.EventContext;
028import org.nuxeo.ecm.core.event.EventListener;
029import org.nuxeo.ecm.core.event.impl.DocumentEventContext;
030import org.nuxeo.runtime.api.Framework;
031
032/**
033 * Event handler to restored the collection members of a restored version of a collection.
034 *
035 * @since 7.3
036 */
037public class RestoredCollectionListener implements EventListener {
038
039    private static final Log log = LogFactory.getLog(RestoredCollectionListener.class);
040
041    @Override
042    public void handleEvent(Event event) {
043        EventContext ctx = event.getContext();
044        if (!(ctx instanceof DocumentEventContext)) {
045            return;
046        }
047
048        final String eventId = event.getName();
049
050        final DocumentEventContext docCxt = (DocumentEventContext) event.getContext();
051        final CollectionManager collectionManager = Framework.getLocalService(CollectionManager.class);
052
053        DocumentModel doc = null;
054        DocumentModel version = null;
055        if (eventId.equals(DocumentEventTypes.BEFORE_DOC_RESTORE)) {
056            doc = docCxt.getSourceDocument();
057            final String versionRefId = (String) docCxt.getProperties().get(
058                    VersioningDocument.RESTORED_VERSION_UUID_KEY);
059            version = docCxt.getCoreSession().getDocument(new IdRef(versionRefId));
060            if (!collectionManager.isCollection(doc)) {
061                return;
062            }
063        } else {
064            return;
065        }
066
067        log.trace(String.format("Collection %s restored", doc.getId()));
068
069        collectionManager.processRestoredCollection(doc, version);
070
071    }
072
073}