java socket 自己充当tomcat

package test.com.ict.testcountry;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.ConnectException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketTimeoutException;

/**
 * 用socket来收发http协议报文
 * @author luoguansong [email protected]
 */
public class SocketHttp {
    public static void main(String[] args) {
        Thread threadReceive=new Thread(new TestReceiveHttp());
        threadReceive.start();
//      Thread threadSend=new Thread(new TestSendHttp());
//      threadSend.start();
    }
}

class TestSendHttp implements Runnable{
    @Override
    public void run() {
        try {
            String path = "/";
            String host = "localhost";
            int port = 50000;
            Socket socket = new Socket();
            InetSocketAddress address=new InetSocketAddress(host, port);
            socket.connect(address,3000);
            OutputStreamWriter osw = new OutputStreamWriter(socket.getOutputStream(),"utf-8");
            osw.write("GET " + path + " HTTP/1.1\r\n");
            osw.write("Host: " + host + " \r\n");
            //http协议必须在报文头后面再加一个换行，通知服务器发送完成，不然服务器会一直等待
            osw.write("\r\n");
            osw.flush();
            socket.shutdownOutput();

            BufferedReader bufferedReader = new BufferedReader(
                    new InputStreamReader(socket.getInputStream(), "utf-8"));
            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
                System.out.println(line);
            }
            osw.close();
            bufferedReader.close();
            socket.close();
        }catch (ConnectException e) {
            System.out.println("连接失败");
        }catch (SocketTimeoutException e) {
            System.out.println("连接超时");
        }catch (Exception e) {
            System.out.println(e.getMessage());
        }
    }
}

class TestReceiveHttp implements Runnable{
    @Override
    public void run() {
        ServerSocket server;
        Socket socket;
        try{
            server=new ServerSocket(50000);
            System.out.println("正在等待50000端口的请求");
            while(true){
                socket=server.accept();
                if(socket!=null){
                    new Thread(new TestReveiveThread(socket)).start();
                }
            }
        }catch (Exception e) {
            System.out.println("异常");
        }
    }
}

class TestReveiveThread implements Runnable{
    Socket socket;
    public TestReveiveThread(Socket s) {
        socket=s;
    }
    public void run() {
        try{
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream(), "utf-8"));
            OutputStreamWriter osw = new OutputStreamWriter(socket.getOutputStream(),"utf-8");
            String line=null;
            while((line=bufferedReader.readLine())!=null){
                System.out.println(line);
                if(line.equals("")){
                    break;
                }
            }
            //模拟http请求到网站，然后把内容转发给当前的http请求
//          String path = "/";
//          String host = "www.oschina.net";
//          int port = 80;
//          Socket socket2 = new Socket(host, port);
//          OutputStreamWriter osw2 = new OutputStreamWriter(socket2.getOutputStream(),"utf-8");
//          osw2.write("GET " + path + " HTTP/1.1\r\n");
//          osw2.write("Host: " + host + " \r\n");
//          osw2.write("\r\n");
//          osw2.flush();
//          BufferedReader bufferedReader2 = new BufferedReader(new InputStreamReader(socket2.getInputStream(), "utf-8"));
//          String line2 = null;
//          while ((line2 = bufferedReader2.readLine()) != null) {
//              osw.write(line2+"\r\n");
//          }
//          bufferedReader2.close();
//          osw2.close();
//          socket2.close();
            osw.write("HTTP/1.1 200 OK\r\n");
            osw.write("Server: Apache-Coyote/1.1\r\n");
            osw.write("Set-Cookie: JSESSIONID=03493794995CE31A0F131787B6C6CBB2; Path=/; HttpOnly\r\n");
            osw.write("Content-Type: text/html;charset=UTF-8\r\n");
            osw.write("Transfer-Encoding: chunked\r\n");
            osw.write("Date: Tue, 19 May 2015 02:48:27 GMT\r\n");
            osw.write("\r\n");
            osw.write("c9\r\n");
            osw.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\r\n");
            osw.write("<HTML>\r\n");
            osw.write("  <HEAD><TITLE>A Servlet</TITLE></HEAD>\r\n");
            osw.write("  <BODY>\r\n");
            osw.write("    This is class com.serv.myServ, using the GET method\r\n");
            osw.write("  </BODY>\r\n");
            osw.write("</HTML>\r\n");
            osw.write("\r\n");
            osw.write("0");
            osw.write("\r\n");
            osw.write("\r\n");
            osw.flush();
            bufferedReader.close();
            osw.close();
            socket.close();
        }catch (Exception e) {
            System.out.println("客户端接受异常"+e.getMessage());
        }
    }
}

在浏览器中输入 localhost:50000