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 *
014 * Contributors:
015 *     Olivier Grisel
016 */
017package org.nuxeo.ecm.platform.categorization.listener;
018
019import java.util.Arrays;
020
021import org.apache.commons.logging.Log;
022import org.apache.commons.logging.LogFactory;
023import org.nuxeo.ecm.core.api.DocumentModel;
024import org.nuxeo.ecm.core.event.Event;
025import org.nuxeo.ecm.core.event.EventContext;
026import org.nuxeo.ecm.core.event.EventListener;
027import org.nuxeo.ecm.core.event.impl.DocumentEventContext;
028import org.nuxeo.ecm.platform.categorization.service.DocumentCategorizationService;
029import org.nuxeo.runtime.api.Framework;
030
031/**
032 * Base default implementation of a synchronous event listener that runs the document categorization service.
033 *
034 * @author ogrisel@nuxeo.com
035 */
036public class DocumentCategorizationSyncListener implements EventListener {
037
038    public static final Log log = LogFactory.getLog(DocumentCategorizationSyncListener.class);
039
040    public void handleEvent(Event event) {
041        EventContext ctx = event.getContext();
042        if (!(ctx instanceof DocumentEventContext)) {
043            return;
044        }
045        DocumentEventContext docCtx = (DocumentEventContext) ctx;
046        DocumentModel doc = docCtx.getSourceDocument();
047        DocumentCategorizationService categorizationService = Framework.getService(DocumentCategorizationService.class);
048        categorizationService.updateCategories(Arrays.asList(doc));
049    }
050
051}