웹크롤러 소스중

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

public class asd {

 public static void main(String[] args) {
  // TODO Auto-generated method stub
  URL url = null;
  URLConnection con = null;
  try {
   url = new URL("http://www.naver.com");
   con = url.openConnection();

   BufferedReader br;
   BufferedWriter bw;
   BufferedWriter bw1;
   BufferedReader br1;
   int count = 0;
   int i = 0;
   String l;
   String[] regex = { "<img[^>]*src=[\"']([^>\"']+)[\"']?[^>]*>",
     "<a\\s+href\\s*=\\s*\"?(.*?)[\"|>]" };

   br1 = new BufferedReader(
     new InputStreamReader(con.getInputStream()));
   bw1 = new BufferedWriter(new FileWriter("text.txt"));
   //while(i != 1){
   while((l = br1.readLine()) != null) {
     //l = br1.readLine();
     
     // if(l == null) {i=1; count=1; break;}
     java.util.regex.Pattern p = java.util.regex.Pattern
       .compile(regex[0]);
     java.util.regex.Pattern p1 = java.util.regex.Pattern
       .compile(regex[1]);
     Matcher mc = p.matcher(l);
     Matcher mc1 = p1.matcher(l);
     
     while (mc.find()) {
      System.out.println(mc.group(1));
      bw1.write("IMG"+mc.group(1) + "\r\n");
      
     }
     while (mc1.find()) {
      System.out.println(mc1.group(1));
      bw1.write("URL"+mc1.group(1) + "\r\n");
      
     }
   //}
   }
   bw1.close();
   br1.close();

  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }

 }

}