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

public class StreetRouterServer {

  public static void main(String[] args) throws MalformedURLException, IOException {
    try { GetRoute2("San Francisco", "CA", "San Diego", "CA"); }
    catch (Exception e) {
      System.err.println(e);
    }
  }   

  public static void GetRoute2(String fromcity, String fromstate, String tocity, String tostate) throws MalformedURLException, IOException {
    
    URL url = new URL("http://www.mapquest.com/cgi-bin/mqtrip?OPC=-1&ADDR_ORIGIN=&CITY_ORIGIN="+fromcity.replace(' ', '+')+"&STATE_ORIGIN="+fromstate+"&DPC=-1&ADDR_DESTINATION=&CITY_DESTINATION="+tocity.replace(' ', '+')+"&STATE_DESTINATION="+tostate+"&quest_mode=trip&results_display_mode=text");
    
    URLConnection connection=url.openConnection();
    DataInputStream d = new DataInputStream(connection.getInputStream());
    String directions="Directions from "+fromcity+", "+fromstate+" to "+tocity+", "+tostate+":";
    String line = d.readLine();
    String substring = "</B><FONT SIZE=-1>";
  
    try {
      do {
        line = d.readLine();
        if (line.indexOf(substring) != -1) directions=directions+"\n"+line.substring(line.indexOf(substring)+substring.length(),line.indexOf("</F"));
      }
      while (line != null);
    }
    catch (NullPointerException e) {};
    System.out.println(directions);
  }

  public static String GetRoute(String fromcity, String fromstate, String tocity, String tostate) throws MalformedURLException, IOException {
    
    URL url = new URL("http://www.mapquest.com/cgi-bin/mqtrip?OPC=-1&ADDR_ORIGIN=&CITY_ORIGIN="+fromcity.replace(' ', '+')+"&STATE_ORIGIN="+fromstate+"&DPC=-1&ADDR_DESTINATION=&CITY_DESTINATION="+tocity.replace(' ', '+')+"&STATE_DESTINATION="+tostate+"&quest_mode=trip&results_display_mode=text");
    
    URLConnection connection=url.openConnection();
    DataInputStream d = new DataInputStream(connection.getInputStream());
    String directions="Directions from "+fromcity+", "+fromstate+" to "+tocity+", "+tostate+":";
    String line = d.readLine();
    String substring = "</B><FONT SIZE=-1>";
  
    try {
      do {
        line = d.readLine();
        if (line.indexOf(substring) != -1) directions=directions+"\n"+line.substring(line.indexOf(substring)+substring.length(),line.indexOf("</F"));
      }
      while (line != null);
    }
    catch (NullPointerException e) {};
    System.out.println(directions);
    return(directions);
  }

}