Server.java

package com.hao;

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;

public class Server {

	public static void main(String args[]) throws IOException {
		int port = 8080;
		ServerSocket server = new ServerSocket(port);
		while (true) {
			Socket socket = server.accept();
			Reader reader = new InputStreamReader(socket.getInputStream());
			SocketAddress sa = socket.getRemoteSocketAddress();
			System.out.println(sa.toString());
			char chars[] = new char[64];
			int len;
			StringBuilder sb = new StringBuilder();
			String temp;
			int index;
			while ((len = reader.read(chars)) != -1) {
				temp = new String(chars, 0, len);
				if ((index = temp.indexOf("eof")) != -1) {
					sb.append(temp.substring(0, index));
					break;
				}
				sb.append(temp);
			}
			System.out.println("from client: " + sb);
			Writer writer = new OutputStreamWriter(socket.getOutputStream());
			writer.write("Hello Client.");
			writer.flush();
			writer.close();
			reader.close();
			socket.close();
		}
	}
}