import java.io.File;
import java.io.FileOutputStream;
import java.io.ObjectOutputStream;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class CreateMap
{
    public static void main(String[] args) throws Exception
    {
	Map<String, URL> map = new HashMap<String, URL>();
	Scanner URLinput = new Scanner(new File("cities.txt"));
	while (URLinput.hasNext())
	{
	    String[] line = URLinput.nextLine().trim().split("  ");
	    URL cityURL = new URL("http://weather.gc.ca" + line[0]);
	    String cityName = line[1];
	    map.put(cityName, cityURL);
	}
	URLinput.close();

	ObjectOutputStream objectOutput = new ObjectOutputStream(new FileOutputStream("cities.ser"));
	objectOutput.writeObject(map);
	objectOutput.close();
    }
}