PentahoSessionFactory.java

/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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 Lesser General Public License for more details.
 *
 * Copyright 2005 - 2009 Pentaho Corporation.  All rights reserved.
 *
 *
 * @created Jul 24, 2005 
 * @author James Dixon
 * 
 */

package org.pentaho.platform.web.http.session;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.pentaho.platform.api.engine.IPentahoSession;
import org.pentaho.platform.api.util.ITempFileDeleter;
import org.pentaho.platform.engine.core.system.PentahoSystem;

public class PentahoSessionFactory {

  public static final String PENTAHO_SESSION_KEY = "pentaho_session"; //$NON-NLS-1$

  public static IPentahoSession getSession(final String userName, final HttpSession session, final HttpServletRequest request) {

    IPentahoSession userSession = (IPentahoSession) session.getAttribute(PentahoSessionFactory.PENTAHO_SESSION_KEY);
    if (userSession != null) {
      return userSession;
    }
    userSession = new PentahoHttpSession(userName, session, request.getLocale(), userSession);
    ITempFileDeleter deleter = PentahoSystem.get(ITempFileDeleter.class, userSession);
    if (deleter != null) {
      userSession.setAttribute(ITempFileDeleter.DELETER_SESSION_VARIABLE, deleter);
    }
    return userSession;

  }

}