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.web.attachments;
017
018import org.apache.avalon.framework.service.ServiceException;
019import org.apache.avalon.framework.service.ServiceManager;
020
021import org.ametys.cms.indexing.explorer.AbstractSolrIndexResourceObserver;
022import org.ametys.plugins.explorer.resources.Resource;
023import org.ametys.plugins.explorer.resources.ResourceCollection;
024import org.ametys.plugins.repository.AmetysObject;
025import org.ametys.plugins.repository.RepositoryConstants;
026import org.ametys.web.WebConstants;
027import org.ametys.web.indexing.solr.SolrPageIndexer;
028import org.ametys.web.repository.page.Page;
029
030/**
031 * Listener on page attachments events
032 */
033public class PageAttachmentsSolrObserver extends AbstractSolrIndexResourceObserver
034{
035    /** The Solr page indexer */
036    protected SolrPageIndexer _solrPageIndexer;
037    
038    private Page _page;
039
040    @Override
041    public void service(ServiceManager serviceManager) throws ServiceException
042    {
043        super.service(serviceManager);
044        _solrPageIndexer = (SolrPageIndexer) serviceManager.lookup(SolrPageIndexer.ROLE);
045    }
046    
047    @Override
048    protected String[] getWorkspacesToIndex()
049    {
050        return new String[] {RepositoryConstants.DEFAULT_WORKSPACE, WebConstants.LIVE_WORKSPACE};
051    }
052    
053    @Override
054    protected boolean isHandledResource(AmetysObject object)
055    {
056        AmetysObject parent = object.getParent();
057        while (parent != null)
058        {
059            if (parent instanceof Page)
060            {
061                _page = (Page) parent;
062                return true;
063            }
064            parent = parent.getParent();
065        }
066        
067        return false;
068    }
069    
070    @Override
071    protected void onResourceCreated(Resource resource, String workspaceName) throws Exception
072    {
073        if (_page != null)
074        {
075            // _page must be != null because #isHandledResource is called just before
076            _solrPageIndexer.indexPageAttachment(resource, _page);
077            _page = null;
078        }
079    }
080    
081    @Override
082    protected void onResourceUpdated(Resource resource, String workspaceName) throws Exception
083    {
084        if (_page != null)
085        {
086            // _page must be != null because #isHandledResource is called just before
087            _solrPageIndexer.indexPageAttachment(resource, _page);
088            _page = null;
089        }
090    }
091    
092    @Override
093    protected void onCollectionRenamedOrMoved(ResourceCollection resourceCollection, String workspaceName) throws Exception
094    {
095        if (_page != null)
096        {
097            // _page must be != null because #isHandledResource is called just before
098            _solrPageIndexer.indexPageAttachments(resourceCollection, _page);
099            _page = null;
100        }
101    }
102}