jabberclient.java

使用socket编写客户方和服务器方之间的通讯的程序

import java.net.*;
import java.io.*;
public class JabberClient {
public static void main(String[] args) throws IOException {
	// Passing null to getByName() produces the
	// special "Local Loopback" IP address, for
	// testing on one machine w/o a network:
	InetAddress addr =InetAddress.getByName(null);
	// Alternatively, you can use
	// the address or name:
	// InetAddress addr =
	// InetAddress.getByName("127.0.0.1");
	// InetAddress addr =
	// InetAddress.getByName("localhost");
	System.out.println("addr = " + addr);
	Socket socket =new Socket(addr, JabberServer.PORT);
	// Guard everything in a try-finally to make
	// sure that the socket is closed:
	try {
		System.out.println("socket = " + socket);
		BufferedReader in =new BufferedReader(new InputStreamReader(socket.getInputStream()));
		// Output is automatically flushed
		// by PrintWriter:
		PrintWriter out =new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true);
		for(int i = 0; i < 10; i ++) {
			out.println("howdy " + i);
			String str = in.readLine();
			System.out.println(str);
		}
		out.println("END");
	} finally {
		System.out.println("closing...");
		socket.close();
	}
	}
} ///:~