import java.io.BufferedReader;
import java.io.InputStreamReader;

public class GreeterTest1 
{
    public static void main(String[] args) 
    {
        String language = null;
        BufferedReader br = 
                new BufferedReader(
                    new InputStreamReader(System.in));
        
        System.out.println("Running GreeterTest1");
        
        do {
            try {
                System.out.print("\nLanguage? ");
                language = br.readLine().trim();
                
                if (language.length() > 0) {
                    // Code to the interface 
                    // and use a factory!
                    Greeter greeter = GreeterFactory1.make(language);
                    System.out.println(greeter.greet());
                }
            }
            catch (Exception ex) {
                System.out.println("Sorry, I don't speak " + 
                                   language + ".");
            }
        } while (language.length() > 0);
    }
}