자바 웹크롤러 - 웹페이지 긁어오기

package crawler;

import java.io.*;
import java.net.*;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
import java.util.*;

 

 

public class test {

 public static void main(String[] args) {
  // TODO Auto-generated method stub

  URL url;

  try {
   url = new URL("http://www.naver.com");

   BufferedReader br;
   BufferedWriter bw;
   String l;
 
   br = new BufferedReader(new InputStreamReader(url.openStream(),"utf-8"));
   bw = new BufferedWriter(new FileWriter("text11.txt"));

   while ((l = br.readLine()) != null) {
    Pattern p = Pattern.compile("<img[^>]*src=[\"']?([^>\"']+)[\"']?[^>]*>");
    Matcher mc = p.matcher(l);
 
    while(mc.find()){
     bw.write(mc.group(1));
    }
    
    
   }
   br.close();
   bw.close();
 
   
  
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }

 

 }

}