Socket get http request

package wuyubao.firstsample;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;


public class FirstProc {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
            System.out.println("Hello world!!!");
            
            try {
                Socket socket=new Socket("baidu.com",80);
                boolean autoflush=true;
                PrintWriter out=new PrintWriter(socket.getOutputStream(),autoflush);
                BufferedReader in=new BufferedReader(new InputStreamReader(socket.getInputStream()));
                
                out.println("GET /index.html HTTP/1.1");
                out.println("Host:baidu.com:80");
                out.println("Connection:Close");
                out.println();
                
                boolean loop=true;
                StringBuffer sb=new StringBuffer(8046);
                
                while(loop){
                    if(in.ready()){
                        int i=0;
                        while(i!=-1){
                            i=in.read();
                            sb.append((char)i);
                            
                        }
                        loop=false;
                        
                    }
                    Thread.currentThread().sleep(50);
                    
                }
                System.out.println(sb.toString());
                socket.close();
            } catch (UnknownHostException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
    }

}