/*
 * File: FileFun.java -- Demonstration of Recursion and returning an array
 * Vers: 1.0.0 dgg -- original coding
 *
 */

import java.io.File;

/**
 *
 * @author David Green <dgreen@uab.edu>
 */
public class FileFun {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        int [] total = new int[2];

        File startingDirectory = new File( ".");

        total = countFiles( startingDirectory );

        System.out.println( "The Directory " + startingDirectory.getName() +
                " has " + total[0] + " directories and " + total[1] + " files.");

    }

    public static int[] countFiles( File directory ) {
        
        File aFile;

        int [] localTotal = new int[] { 0, 0};

        File [] files = directory.listFiles();

        for ( int i = 0; i < files.length; i++) {
            aFile = files[i];
            System.out.println("Now processing " + aFile.getName());
            if ( aFile.isDirectory() ) {
                localTotal[0] += 1;
                int [] subTotal = countFiles(aFile);
                localTotal[0] += subTotal[0];
                localTotal[1] += subTotal[1];
            }
            else
                localTotal[1] += 1;
        }

        return localTotal;
    }

}