import com.ezjavabeans.ezmulticast.*;
import java.util.*;
import java.io.*;

/** This example shows how to multicast objects.*/
public class MulticastObject implements EzMulticastEventListener{
  EzMulticast ezMulticast = new EzMulticast();

  //############################################################################
  public MulticastObject (){
    try{
      //Sets the properties of EzMulticast.
      ezMulticast.setGroupAddress("230.0.0.1");
      ezMulticast.setGroupPort(4446);
      ezMulticast.setSerialKey("Sets the Serial Key to activate the full version.");
      ezMulticast.addEzMulticastEventListener(this);
      ezMulticast.setActive(true);
    }catch(EzMulticastException ex){
      System.out.println(ex.getMessage());
    }
  }//MulticastObject()----------------------------------------------------------


  //############################################################################
  /** Multicasting a Object. */
  public void sendObject(){
    try{
      //You can send any kind of object that implements Serializable.
      //In this example, we send the current date.
      Date date = new Date(System.currentTimeMillis());
      //Serialize the Date object.
      ByteArrayOutputStream bao = new ByteArrayOutputStream();
      ObjectOutputStream oos = new ObjectOutputStream(bao);
      oos.writeObject(date);
      //Multicast the object.
      ezMulticast.send(bao.toByteArray());
    }catch(IOException ex){
      System.out.println(ex.getMessage());
    }catch(EzMulticastException ex){
      System.out.println(ex.getMessage());
    }
  }//sendObject()---------------------------------------------------------------


  //############################################################################
  /** Reception of the object via EzMulticast */
  public void dataIn(EzMulticastDataInEvent e){
    try{
      ByteArrayInputStream bai = new ByteArrayInputStream(e.data);
      ObjectInputStream ois = new ObjectInputStream(bai);
      Object o = ois.readObject();
      if(o instanceof Date){
        System.out.println("Time receive : " + ((Date)o).getTime());
        //You can format the date the way you want here...
      }
    }catch(Exception ex){
      System.out.println(ex.getMessage());
    }
  }//dataIn()-------------------------------------------------------------------

}