/*
 *  eXist Open Source Native XML Database
 *  Copyright (C) 2011 The eXist Project
 *  http://exist-db.org
 *
 *  This program 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
 *  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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *  $Id$
 */
package org.exist.security;

import java.util.HashMap;
import java.util.Map;

import org.exist.EXistException;
import org.exist.storage.BrokerPool;

/**
 * @author <a href="mailto:shabanovd@gmail.com">Dmitriy Shabanov</a>
 *
 */
public class Session {
	
	private String id;
	private Subject subject;
	
	private long lastUse;
	
	public Session(Subject subject) {
		this.id = UUIDGenerator.getUUID();
		this.subject = subject;
		used();

		try {
			BrokerPool.getInstance().getSecurityManager().registerSession(this);
		} catch (final EXistException e) {
			//should not happen
		}
	}
	
	private void used() {
		lastUse = System.currentTimeMillis();
	}
	
	public String getId() {
		used();
		return id;
	}
	
	private Map<String, Object> properties = new HashMap<String, Object>();
	
	public void setProperty(String name, Object value) {
		used();
		properties.put(name, value);
	}

	public Object getProperty(String name) {
		used();
		return properties.get(name);
	}

	public void removeProperty(String name) {
		properties.remove(name);
	}

	public Subject getSubject() {
		used();
		return subject;
	}

	public boolean isValid() {
		return (System.currentTimeMillis() - lastUse <= 30*1000); //30 seconds
	}
}