import java.net.*;
import java.io.*;
import java.util.regex.*;
import java.util.*;
public class Veebilugeja5{
//  static String aadress="http://www.hk.tlu.ee/index.php";
  static String algaadress="http://minitorn.tlu.ee/~jaagup/kool/";
  static String aadress;
  static List<String> uuritud=new LinkedList<String>();
  static List<String> ootel=new LinkedList<String>();
  static List<String> vigased=new LinkedList<String>();
  static Pattern muster=Pattern.compile("href=[\\\"']([^\\\"']+)");
  
  public static void uuriRida(String rida){
	 Matcher m=muster.matcher(rida);
	 while(m.find()){
	  try{
	   String viide=m.group(1);
	   if(!viide.startsWith("http://")){
	      viide=new URL(new URL(aadress), viide).toString();
	   }
	   if(viide.startsWith("http://")){
 	    try{
  	     new URL(viide).openStream();
		 if(ootel.contains(viide) || uuritud.contains(viide)){
	      System.out.println("Juba olemas "+viide);
	     } else if(new URL(algaadress).getHost().equals(new URL(viide).getHost())){
	      ootel.add(viide);
		  System.out.println("Ootele "+viide);
	     }  else {
	      System.out.println("Kaugviide "+viide);
	     }
	    } catch(Exception e){
	      System.out.println("Ei saa avada: "+viide);
		  vigased.add(viide);
	    }
	   } else {
	     System.out.println("Pole veebiviide: "+viide);
	   }
	  }catch(MalformedURLException ex){
	     System.out.println("Vigane aadress: "+ex.getMessage());
	  }
	 }
  }
  public static void main(String argumendid[]) throws IOException{
   ootel.add(algaadress);
   while(ootel.size()>0){
    aadress=ootel.remove(0);
	System.out.println("Uurib: "+aadress);
    BufferedReader sisse=new BufferedReader(
      new InputStreamReader(new URL(aadress).openStream())
    );
    String rida=sisse.readLine();
    while(rida!=null){
	  uuriRida(rida);
      rida=sisse.readLine();
    }
   }
   System.out.println("Vigased: "+vigased);
  }
}