/*
* Copyright (C) 2003-2013 eXo Platform SAS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.exoplatform.ecms.upgrade.nodetype;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.Session;
import javax.jcr.query.Query;
import javax.jcr.query.QueryManager;
import org.exoplatform.commons.upgrade.UpgradeProductPlugin;
import org.exoplatform.commons.version.util.VersionComparator;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.services.jcr.RepositoryService;
import org.exoplatform.services.jcr.ext.common.SessionProvider;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
/**
* Created by The eXo Platform SAS
* Author : eXoPlatform
* tanhq@exoplatform.com
* Sep 10, 2013
*/
public class FlashNodeTypeUpgradePlugin extends UpgradeProductPlugin {
private static final Log LOG = ExoLogger.getLogger(FlashNodeTypeUpgradePlugin.class.getName());
private RepositoryService repositoryService_;
final static public String EXO_RISIZEABLE = "exo:documentSize";
final static public String FLASH_MIMETYPE = "flash";
public FlashNodeTypeUpgradePlugin(RepositoryService repoService, InitParams initParams) {
super(initParams);
this.repositoryService_ = repoService;
}
@Override
public void processUpgrade(String oldVersion, String newVersion) {
if (LOG.isInfoEnabled()) {
LOG.info("Start " + this.getClass().getName() + ".............");
}
SessionProvider sessionProvider = null;
try {
sessionProvider = SessionProvider.createSystemProvider();
String[] workspaces = repositoryService_.getCurrentRepository().getWorkspaceNames();
if(workspaces.length > 0) {
for (String workspace : workspaces) {
Session session = sessionProvider.getSession(workspace, repositoryService_.getCurrentRepository());
QueryManager queryManager = session.getWorkspace().getQueryManager();
String queryStatement = "SELECT * FROM nt:resource WHERE jcr:mimeType IS NOT NULL AND jcr:mimeType LIKE '%"+
FLASH_MIMETYPE+"%'";
Query query = queryManager.createQuery(queryStatement, Query.SQL);
NodeIterator iter = query.execute().getNodes();
while (iter.hasNext()) {
Node node = iter.nextNode();
Node flashNode = node.getParent();
if(flashNode.canAddMixin(EXO_RISIZEABLE)) {
flashNode.addMixin(EXO_RISIZEABLE);
flashNode.save();
}
}
session.save();
}
}
} catch (Exception e) {
if (LOG.isErrorEnabled()) {
LOG.error("An unexpected error occurs when migrating flash node type.", e);
}
} finally {
if (sessionProvider != null) {
sessionProvider.close();
}
}
}
@Override
public boolean shouldProceedToUpgrade(String previousVersion, String newVersion) {
// --- return true only for the first version of platform
return VersionComparator.isAfter(newVersion,previousVersion);
}
}