Util.java

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package uff.org.br.eo.util;

import java.io.File;

/**
 *
 * @author Gleiph
 */
public class Util {

    public static boolean deleteDir(File dir) {

        if (dir.isDirectory()) {
            String[] children = dir.list();
            for (int i = 0; i < children.length; i++) {
                boolean success = deleteDir(new File(dir, children[i]));
                if (!success) {
                    return false;
                }
            }
        }

        // The directory is now empty so delete it
        return dir.delete();
    }
}