package org.opentrafficsim.imb.observers;
   
   import java.rmi.RemoteException;
   
   import org.opentrafficsim.core.gtu.GTU;
   
   import nl.tudelft.simulation.event.EventInterface;
   import nl.tudelft.simulation.event.EventListenerInterface;
   import nl.tudelft.simulation.language.d3.DirectedPoint;
  
  /**
   * <p>
   * Copyright (c) 2013-2016 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
   * initial version Aug 28, 2016 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
   */
  public class IMBTransmitter implements EventListenerInterface
  {
      /** Observer for gtu move events. */
      private Observer observer = null;
  
      /** */
      public IMBTransmitter()
      {
          try
          {
              this.observer = new IMBObserver("localhost" /* "app-usimb01.westeurope.cloudapp.azure.com" */
              /* "vps17642.public.cloudvps.com" */ /* "localhost" */, 4000, "GTUObserver", 1, "OTS_RT");
              System.out.println("Observer is " + this.observer);
          }
          catch (Exception exception1)
          {
              System.out.println("Observer creation failed; GTU movements will not be sent to observer");
          }
      }
  
      /** {@inheritDoc} */
      @Override
      public void notify(final EventInterface event) throws RemoteException
      {
          if (this.observer == null)
          {
              return;
          }
  
          if (event.getType().equals(GTU.MOVE_EVENT))
          {
              Object[] moveInfo = (Object[]) event.getContent();
              DirectedPoint location = (DirectedPoint) moveInfo[1];
              try
              {
                  this.observer.postMessage("GTU", Observer.CHANGE,
                          new Object[] { moveInfo[0].toString(), location.x, location.y, location.z, location.getRotZ() });
              }
              catch (Exception exception)
              {
                  exception.printStackTrace();
              }
          }
          else if (event.getType().equals(GTU.DESTROY_EVENT))
          {
              Object[] destroyInfo = (Object[]) event.getContent();
              DirectedPoint location = (DirectedPoint) destroyInfo[1];
              try
              {
                  this.observer.postMessage("GTU", Observer.DELETE,
                          new Object[] { destroyInfo[0].toString(), location.x, location.y, location.z, location.getRotZ() });
              }
              catch (Exception exception)
              {
                  exception.printStackTrace();
              }
          }
      }
  }