001/*
002 *  Copyright 2013 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.web.synchronization;
017
018import java.util.Map;
019
020import javax.jcr.ItemNotFoundException;
021import javax.jcr.Node;
022import javax.jcr.RepositoryException;
023import javax.jcr.Session;
024
025import org.apache.avalon.framework.service.ServiceException;
026import org.apache.avalon.framework.service.ServiceManager;
027
028import org.ametys.cms.repository.Content;
029import org.ametys.core.observation.Event;
030import org.ametys.core.observation.Observer;
031import org.ametys.plugins.repository.AmetysObjectResolver;
032import org.ametys.plugins.repository.RepositoryConstants;
033import org.ametys.plugins.repository.jcr.JCRAmetysObject;
034import org.ametys.web.ObservationConstants;
035
036/**
037 * {@link Observer} monitoring changes on content privacy in order to synchronize live workspace.
038 */
039public class SynchronizeContentPrivacyChangeObserver extends AbstractSynchronizeObserver
040{
041    
042    private static final String _PRIVACY_PROPERTY = RepositoryConstants.NAMESPACE_PREFIX + ":privacy";
043    private static final String _UNVERSIONED_NODE = RepositoryConstants.NAMESPACE_PREFIX_INTERNAL + ":unversioned";
044    
045    /** Ametys object resolver. */
046    protected AmetysObjectResolver _resolver;
047    
048    @Override
049    public void service(ServiceManager manager) throws ServiceException
050    {
051        super.service(manager);
052        _resolver = (AmetysObjectResolver) manager.lookup(AmetysObjectResolver.ROLE);
053    }
054    
055    @Override
056    public boolean supports(Event event)
057    {
058        return event.getId().equals(ObservationConstants.EVENT_CONTENT_PRIVACY_CHANGED);
059    }
060    
061    @Override
062    protected void _internalObserve(Event event, Session liveSession) throws RepositoryException
063    {
064        Map<String, Object> arguments = event.getArguments();
065        Content content = (Content) arguments.get(org.ametys.cms.ObservationConstants.ARGS_CONTENT);
066        
067        if (!(content instanceof JCRAmetysObject jcrContent))
068        {
069            return;
070        }
071        
072        Node node = jcrContent.getNode();
073        Node unversionedNode = node.getNode(_UNVERSIONED_NODE);
074        
075        try
076        {
077            Node clonedNode = liveSession.getNodeByIdentifier(node.getIdentifier());
078            Node clonedUnversionedNode = clonedNode.getNode(_UNVERSIONED_NODE);
079            
080            if (unversionedNode.hasProperty(_PRIVACY_PROPERTY))
081            {
082                clonedUnversionedNode.setProperty(_PRIVACY_PROPERTY, unversionedNode.getProperty(_PRIVACY_PROPERTY).getValue());
083            }
084        }
085        catch (ItemNotFoundException e)
086        {
087            // The content does not exist in the live workspace.
088        }
089        
090        if (liveSession.hasPendingChanges())
091        {
092            liveSession.save();
093        }
094    }
095    
096}