/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.ajax.gwt.helper;
import org.slf4j.Logger;
import org.springframework.beans.factory.InitializingBean;
import org.apache.tika.io.IOUtils;
import org.jahia.ajax.gwt.client.service.GWTJahiaServiceException;
import org.jahia.ajax.gwt.content.server.GWTFileManagerUploadServlet;
import org.jahia.services.cache.CacheService;
import org.jahia.services.content.JCRNodeWrapper;
import org.jahia.services.content.JCRSessionWrapper;
import org.jahia.services.content.JCRVersionService;
import org.jahia.services.content.files.FileCacheManager;
import javax.jcr.RepositoryException;
import javax.jcr.version.VersionIterator;
import javax.jcr.version.VersionManager;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;
/**
* User: toto
* Date: Feb 2, 2009
* Time: 7:03:31 PM
*
*/
public class VersioningHelper implements InitializingBean {
private static Logger logger = org.slf4j.LoggerFactory.getLogger(VersioningHelper.class);
private CacheService cacheService;
private JCRVersionService versionService;
private FileCacheManager cacheManager;
public void setCacheService(CacheService cacheService) {
this.cacheService = cacheService;
}
public void setVersionService(JCRVersionService versionService) {
this.versionService = versionService;
}
/**
* Activate versionning
*
* @param pathes
* @param currentUserSession
*/
public void activateVersioning(List<String> pathes, JCRSessionWrapper currentUserSession) {
for (String path : pathes) {
try {
JCRNodeWrapper node = currentUserSession.getNode(path);
if (!node.isVersioned()) {
node.versionFile();
currentUserSession.save();
}
} catch (Throwable e) {
logger.error(e.getMessage(), e);
}
}
}
/**
* Activate versioning if nested and add a new version
*
* @param node
* @param tmpName
* @throws org.jahia.ajax.gwt.client.service.GWTJahiaServiceException
*
*/
public void addNewVersionFile(JCRNodeWrapper node, String tmpName) throws GWTJahiaServiceException {
try {
if (node != null) {
JCRSessionWrapper session = node.getSession();
VersionManager versionManager = session.getWorkspace().getVersionManager();
if (!node.isVersioned()) {
node.versionFile();
session.save();
}
VersionIterator allVersions = versionManager.getVersionHistory(node.getPath()).getAllVersions();
if(allVersions.getSize()==1) {
// First version ever apart root version
versionManager.checkpoint(node.getPath());
String label = "uploaded_at_"+ new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss").format(node.getProperty("jcr:created").getDate().getTime());
versionService.addVersionLabel(node,label);
}
versionManager.checkout(node.getPath());
GWTFileManagerUploadServlet.Item item = GWTFileManagerUploadServlet.getItem(tmpName);
InputStream is = null;
try {
is = item.getStream();
node.getFileContent().uploadFile(is, item.getContentType());
} catch (FileNotFoundException e) {
throw new GWTJahiaServiceException(e.getMessage());
} finally {
IOUtils.closeQuietly(is);
item.dispose();
}
session.save();
versionManager.checkpoint(node.getPath());
String label = "uploaded_at_"+ new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss").format(GregorianCalendar.getInstance().getTime());
versionService.addVersionLabel(node,label);
cacheManager.invalidate(session.getWorkspace().getName(), node.getPath());
if (logger.isDebugEnabled()) {
logger.debug("Number of version: " + node.getVersions().size());
}
} else {
logger.error("Could not add version to a null file.");
}
} catch (RepositoryException e) {
logger.error(e.getMessage(), e);
}
}
public void restoreVersionLabel(String nodeUuid, Date versionDate, String versionLabel, boolean allSubTree,
JCRSessionWrapper currentUserSession) {
try {
JCRNodeWrapper node = currentUserSession.getNodeByUUID(nodeUuid);
versionService.restoreVersionLabel(node, versionDate, versionLabel, allSubTree);
currentUserSession.save();
String label = "restored_at_"+ new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss").format(GregorianCalendar.getInstance().getTime());
versionService.addVersionLabel(node,label);
// fluch caches: Todo: flush only the nested cache
cacheService.flushAllCaches();
} catch (RepositoryException e) {
logger.error(e.getMessage(), e);
}
}
public void afterPropertiesSet() throws Exception {
cacheManager = FileCacheManager.getInstance();
}
}