001/*
002 * (C) Copyright 2016 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 *     Nicolas Chapurlat
018 */
019package org.nuxeo.ecm.core.storage.sql.listeners;
020
021import java.util.Random;
022
023import org.nuxeo.ecm.core.api.DocumentModel;
024import org.nuxeo.ecm.core.api.event.DocumentEventTypes;
025import org.nuxeo.ecm.core.event.Event;
026import org.nuxeo.ecm.core.event.EventListener;
027import org.nuxeo.ecm.core.event.impl.DocumentEventContext;
028
029public class DummyUpdateBeforeModificationListener implements EventListener {
030
031    protected static final Random RANDOM = new Random(); // NOSONAR (doesn't need cryptographic strength)
032
033    public static final String PERDORM_UPDATE_FLAG = DummyUpdateBeforeModificationListener.class.getName()
034            + "-force-update";
035
036    @Override
037    public void handleEvent(Event event) {
038        if (DocumentEventTypes.BEFORE_DOC_UPDATE.equals(event.getName())) {
039            DocumentEventContext context = (DocumentEventContext) event.getContext();
040            DocumentModel doc = context.getSourceDocument();
041            if (Boolean.TRUE.equals(doc.getContextData(PERDORM_UPDATE_FLAG))) {
042                doc.setPropertyValue("dc:description", "auto" + RANDOM.nextDouble());
043            }
044        }
045    }
046
047}