java socket收发http协议内容

来自：https://www.oschina.net/code/snippet_2009881_48232

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.net.ConnectException;

import java.net.InetAddress;

import java.net.InetSocketAddress;

import java.net.ServerSocket;

import java.net.Socket;

import java.net.SocketAddress;

import java.net.SocketException;

import java.net.SocketTimeoutException;

 

/**

 * 用socket来收发http协议报文

 * @author luoguansong lgsstart89@163.com

 */

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 = "www.oschina.net";

            int port = 80;

            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(8079);

            System.out.println("正在等待8079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());

        }

    }

}