001/*
002 *  Copyright 2017 Anyware Services
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 */
016package org.ametys.plugins.odfweb.observation;
017
018import javax.jcr.ItemNotFoundException;
019import javax.jcr.Node;
020import javax.jcr.RepositoryException;
021import javax.jcr.Session;
022
023import org.apache.commons.collections.PredicateUtils;
024import org.ametys.cms.ObservationConstants;
025import org.ametys.cms.repository.Content;
026import org.ametys.core.observation.Event;
027import org.ametys.core.observation.Observer;
028import org.ametys.odf.observation.OdfObservationConstants;
029import org.ametys.plugins.repository.RepositoryConstants;
030import org.ametys.plugins.repository.jcr.JCRAmetysObject;
031import org.ametys.web.synchronization.AbstractSynchronizeObserver;
032
033
034/**
035 * {@link Observer} for observing content translation in order to synchronize live workspace.
036 */
037public class SynchronizedContentTranslatedObserver extends AbstractSynchronizeObserver
038{
039    @Override
040    public boolean supports(Event event)
041    {
042        return event.getId().equals(OdfObservationConstants.ODF_CONTENT_TRANSLATED);
043    }
044    
045    @Override
046    protected void _internalObserve(Event event, Session liveSession) throws RepositoryException
047    {
048        Content content = (Content) event.getArguments().get(ObservationConstants.ARGS_CONTENT);
049        
050        if (!(content instanceof JCRAmetysObject))
051        {
052            return;
053        }
054        
055        Node node = ((JCRAmetysObject) content).getNode();
056        
057        String translationNodeName = RepositoryConstants.NAMESPACE_PREFIX + ":translations";
058        
059        try
060        {
061            Node clonedNode = liveSession.getNodeByIdentifier(node.getIdentifier());
062            Node translationsNode = node.getNode(translationNodeName);
063            
064            Node liveTranslationsNode = null;
065            if (clonedNode.hasNode(translationNodeName))
066            {
067                liveTranslationsNode = clonedNode.getNode(translationNodeName);
068            }
069            else
070            {
071                liveTranslationsNode = clonedNode.addNode(translationNodeName, "ametys:compositeMetadata");
072            }
073            
074            _synchronizeComponent.cloneNodeAndPreserveUUID(translationsNode, liveTranslationsNode, PredicateUtils.truePredicate(), PredicateUtils.falsePredicate());
075        }
076        catch (ItemNotFoundException e)
077        {
078            // content does not exist in the live workspace
079        }
080        
081        if (liveSession.hasPendingChanges())
082        {
083            liveSession.save();
084        }
085        
086    }
087}