cleanupclass.java

JAVA平台下优秀的CHART开源代码,可以实现类似EXCEL中的二维或三维的饼图/椎图功能.

/**
 * Copyright (C) 2003  Manfred Andres
 * 
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package freecs.core;

import java.util.Iterator;
import freecs.*;

public class CleanupClass extends Thread {

   public CleanupClass () {
   }

   public void run () {
		Server.log ("CleanupClass starting to clean up", Server.MSG_STATE, Server.LVL_MAJOR);
		Server.srv.startShutdown ();
		MessageParser mpr = new MessageParser ();
		mpr.setMessageTemplate ("message.server.shutdown");
		Server.log ("CleanupClass sending shutdownmessages...", Server.MSG_STATE, Server.LVL_MAJOR);
		Server.log ("Logout users...", Server.MSG_STATE, Server.LVL_MAJOR);
		for (Iterator i = UserManager.mgr.users (); i.hasNext (); ) try {
			User u = (User) i.next ();
			u.sendMessage (mpr);
		} catch (Exception e) {
			Server.debug ("CleanupClass caused Exception while removing user: ", e, Server.MSG_STATE, Server.LVL_MAJOR);
		}
		Server.log ("Users logged out.", Server.MSG_STATE, Server.LVL_MAJOR);
		Server.log ("Closing all connections...", Server.MSG_STATE, Server.LVL_MAJOR);

		// 30000 millis before the CentralSelector will be forced to stop
		long killTime = System.currentTimeMillis() + 30000;
		while (!CentralSelector.stopped) try {
			if (killTime < System.currentTimeMillis()) {
				Server.log ("CentralSelector didn't shutdown within 30000 millis", Server.MSG_STATE, Server.LVL_VERBOSE);
				break;
			}
			System.out.print (".");
			Thread.sleep (100);
		} catch (InterruptedException ie) {}

		for (Iterator i = UserManager.mgr.users (); i.hasNext (); ) try {
			User u = (User) i.next ();
			i.remove();
		} catch (Exception e) {
			Server.debug ("CleanupClass caused Exception while removing user: ", e, Server.MSG_STATE, Server.LVL_MAJOR);
		}

		Server.log ("Shutting down authentication", Server.MSG_STATE, Server.LVL_MAJOR);
		try {
			Server.srv.auth.shutdown ();
		} catch (Exception e) {
			Server.debug ("CleanupClass caused Exception while shutting down authentication: ", e, Server.MSG_STATE, Server.LVL_MAJOR);
		}
      	Server.log ("Final cleanup done. Exiting JVM.", Server.MSG_STATE, Server.LVL_MAJOR);
	}
}