/* * StopMessenger.java *  * Created on Mar 26, 2004 * */package gov.nist.applet.phone.ua;import java.util.Iterator;import javax.sip.ListeningPoint;import javax.sip.ObjectInUseException;import javax.sip.SipProvider;import javax.sip.SipStack;/** * @author Jean Deruelle <jean.deruelle@nist.gov> * * <a href="{@docRoot}/uncopyright.html">This code is in the public domain.</a> */public class StopMessenger implements Runnable {	private Thread stopThread=null;	private MessageListener messageListener=null;	/**	 * 	 */	public StopMessenger(MessageListener messageListener) {		this.messageListener=messageListener;		if(stopThread==null){			stopThread=new Thread(this);			stopThread.setName("Stop Messenger Thread");		}					stopThread.start();	}	/* (non-Javadoc)	 * @see java.lang.Runnable#run()	 */	public void run() {		SipStack sipStack=messageListener.sipStack;				if (sipStack==null) return;                        							Iterator listeningPoints=sipStack.getListeningPoints();		if (listeningPoints!=null) {			while( listeningPoints.hasNext()) {				ListeningPoint lp=(ListeningPoint)listeningPoints.next();											try{					sipStack.deleteListeningPoint(lp);					lp=null;					System.out.println("One listening point removed!");					}				catch(ObjectInUseException oiue){					oiue.printStackTrace();									}								listeningPoints=sipStack.getListeningPoints();							}		}		else {			System.out.println("WARNING, STOP, The NIST Messenger" +				" has no listening points to remove!");		} 		try{			Thread.currentThread().sleep(1000);		}		catch(InterruptedException ie){			ie.printStackTrace();		}		Iterator sipProviders=sipStack.getSipProviders();		if (sipProviders!=null) {			while( sipProviders.hasNext()) {				SipProvider sp=(SipProvider)sipProviders.next();                    				sp.removeSipListener(messageListener);				try{					sipStack.deleteSipProvider(sp);					sp=null;					System.out.println("One sip Provider removed!");				}				catch(ObjectInUseException oiue){					System.out.println("Waiting for the sip providers to " +						"release their references");					try{						stopThread.sleep(2000);					}					catch(InterruptedException ie){						ie.printStackTrace();					}				}				sipProviders=sipStack.getSipProviders();							}		}		else {			System.out.println("WARNING, STOP, NIST messenger" +				" has no sip Provider to remove!");		}		sipStack=null;		System.gc();      								}}