Question

I am trying to read html site using below code,System hanging any hints please:

package com.test;

import java.io.BufferedWriter;   
import java.io.FileWriter;   
import java.net.Socket;  
import javax.net.SocketFactory;  
import java.net.InetAddress;

public class writingFile {

    public static void main(String a[]) throws Exception {

        SocketFactory factory=SocketFactory.getDefault();
        Socket socket=new Socket(InetAddress.getByName("java.sun.com"), 80);
        BufferedWriter out=new BufferedWriter(new FileWriter("C://test.html"));
        int data;

        while((data=socket.getInputStream().read()) != -1) {
            out.write((char)data);
            out.flush();
        }
    }
}

Regards,
Raj

Answer 1

This is HTTP. You can’t just open a socket and start reading something. You have to be polite to the server and send a request first:

socket.getOutputStream().write("GET /index.html HTTP/1.0\n\n".getBytes());
socket.getOutputStream().flush();

Then read a HTTP response, parse it, and get your html page back.

EDIT I wrote what to do with sockets only because it was the immediate problem of the OP. Using URLConnection is the correct way, as answered by @Mike Deck.