package dancinggooglers;

import java.io.File;
import java.util.Scanner;

public class DanceScoreCalculator {


    public static void main(String[] args) {
        if(args.length <= 0 || args[0] == null) {
            System.out.println("You must enter a file to read");
            System.out.println("Usage: blah <filename>");
            System.exit(0);
        }

        File argFile = new File(args[0]);
        try {
            Scanner googleSpeakScanner = new Scanner(argFile);
            String firstLine = googleSpeakScanner.nextLine();
            Integer linesToScan = new Integer(firstLine);
            for(int i = 1; i <= linesToScan; i++) {
                String googleDancerLine = googleSpeakScanner.nextLine();
                DanceScoreCase danceCase = new DanceScoreCase(googleDancerLine);
                System.out.println(String.format("Case #%d: %d", i, danceCase.maxDancersThatCouldPass()));
            }
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
}

package fixjava;

/**
 * Convenience class for declaring a method inside a method, so as to avoid code duplication without having to declare a new method
 * in the class. This also keeps functions closer to where they are applied. It's butt-ugly but it's about the best you can do in
 * Java.
 * 
 * <code>
			final HashSet<String> allNames = new HashSet<String>();
			Lambda<Set<String>, Void> addAllIfNotNull = new Lambda<Set<String>, Void>() {
				public Void apply(Set<String> newNames) {
					if (allNames != null)
						allNames.addAll(newNames);
					return null;
				}
			};
			allNames.add(cell.getName());
			addAllIfNotNull.apply(cell.getValues("Main_name"));
			addAllIfNotNull.apply(cell.getValues("Other_name"));
			addAllIfNotNull.apply(cell.getValues("Tree_node"));
			addAllIfNotNull.apply(cell.getValues("Lineage_name"));
 * </code>
 */

public interface Lambda<P, V> {
	public V apply(P param);
}
