sendimage.java

运用HTTPCONNECTION做一个简单的聊天程序

package datagram003packet;
import javax.microedition.io.*;
//import java.io.*;
public class SendImage extends Thread implements Runnable {

	private DatagramConnection dc;
	private byte[]imag=null;
	private String address;
	//public  static int count=0;
	public SendImage(DatagramConnection dc)
	{
		this.dc=dc;
		this.start();
	}
	public synchronized void sendImage(byte[]imag,String address)
	{
		this.imag=imag;
        this.address=address;
        try
        {
        	this.notify();
	    }
        catch(Exception e)
        {
        	e.printStackTrace();
        }
	}
	public synchronized void stopSend()
	{
		this.imag=null;
		try
		{
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}
	public synchronized void run()
	{
		while(true)
		{
			if(this.imag==null)
			{
				try
				{
					this.wait();
				}
				catch(Exception e)
				{
					e.printStackTrace();
				}
									
			}
			if(this.imag==null)
			{
				break;
			}
			try
			{
				System.out.println("即将发送成功");
				Datagram dg=dc.newDatagram(imag,imag.length,address);
				dc.send(dg);
				System.out.println("发送已成功");
				//count++;
				imag=null;
			}
			catch(Exception e)
			{
				e.printStackTrace();
			}
		}
	}
}