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 be.mokarea.gcj.common;

import java.io.PrintWriter;

public abstract class Transformation<T extends TestCase> {
	private TestCaseReader<T> caseReader;
	private final PrintWriter outputWriter;

	public Transformation(TestCaseReader<T> caseReader, PrintWriter outputWriter) {
		this.caseReader = caseReader;
		this.outputWriter = outputWriter;
	}

	public void transformAll() throws Exception {
		T testCase = caseReader.nextCase();
		while (testCase != null) {
			outputWriter.println(transform(testCase));
			testCase = caseReader.nextCase();
		};

	}
	
	protected abstract String transform(T testCase);
}
