NavigationServiceHandler.java
/**
* Copyright (C) 2012 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.platform.common.navigation;
import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.services.jcr.ext.common.SessionProvider;
import org.exoplatform.services.jcr.ext.hierarchy.NodeHierarchyCreator;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.picocontainer.Startable;
import javax.jcr.Node;
import javax.jcr.Session;
/**
* @author <a href="hzekri@exoplatform.com">hzekri</a>
*/
public class NavigationServiceHandler implements Startable {
private static final Log LOG = ExoLogger.getLogger(NavigationServiceHandler.class);
NodeHierarchyCreator nodeCreator;
String path = "Application Data/logos/";
String logo_name = "logo.png";
@Override
public void start()
{
nodeCreator = (NodeHierarchyCreator) ExoContainerContext.getCurrentContainer().getComponentInstanceOfType(NodeHierarchyCreator.class);
}
public String getHomePageLogoURI() {
SessionProvider sProvider = SessionProvider.createSystemProvider();
Node rootNode = null;
Node publicApplicationNode = null;
String pathImageNode = null;
Node ImageNode = null;
Session session = null;
try {
publicApplicationNode = nodeCreator.getPublicApplicationNode(sProvider);
session = publicApplicationNode.getSession();
rootNode = session.getRootNode();
if (rootNode.hasNode(path)) {
Node logosNode = rootNode.getNode(path);
if (logosNode.hasNode(logo_name)) {
ImageNode = logosNode.getNode(logo_name);
pathImageNode = ImageNode.getPath()+"?"+System.currentTimeMillis();
}
}
} catch (Exception e) {
LOG.error("Can not get path of Logo : default LOGO will be used" + e.getMessage(), e);
return null;
}
finally {
if (session != null)
session.logout();
if (sProvider != null)
sProvider.close ();
}
return pathImageNode;
}
@Override
public void stop() {
//To change body of implemented methods use File | Settings | File Templates.
}
}