ntfs83Java

/** Stuff to make ntfs 8.3 dirs by Jorge Chayan **/

public static String toNTFS83(File dir)
{
    StringBuilder wholedir = new StringBuilder(dir.getAbsolutePath());
    if (wholedir.length() <= 8) return wholedir.toString();
    else {
        String disk = "";
        for (char i = 'A'; i <= 'Z'; i++) {
            if (wholedir.toString().contains(i + ":\\")) {
                disk = wholedir.substring(0, 3);
                System.out.println(disk);
                wholedir.delete(0, 3);
                System.out.println(wholedir.toString());
                break;
            }
        }
        int end = wholedir.indexOf("\\");
        StringBuilder dirs = new StringBuilder("");
        int point = dir.getName().indexOf(".");
        String xtens = "";
        if (point != -1) xtens = dir.getName().substring(point, dir.getName().length());
            while (true) {
            String aux;
            if (end == -1) {
                if (point != -1) aux = dir.getName().substring(0, point);
                else aux = dir.getName();
            }
            else aux = wholedir.substring(0, end);
            System.out.println(aux);
            wholedir.delete(0, end + 1);
            System.out.println(wholedir.toString());
            if (aux.length() >= 8) {
                if (aux.contains("" + ((char) 91))) aux.replace((char) 91, '_');
                if (aux.contains("" + ((char) 47))) aux.replace((char) 47, '_');
                for (char j = 0; j < 32; j++) {
                    if (aux.contains("" + j)) aux.replace(j, '_');
                }
                for (char j = 33; j < 46; j++) {
                    if (aux.contains("" + j)) aux.replace(j, '_');
                }
                if (end != -1 && aux.contains("" + ((char) 46))) aux.replace((char) 46, '_');
                for (char j = 58; j < 65; j++) {
                    if (aux.contains("" + j)) aux.replace(j, '_');
                }
                for (char j = 93; j < 97; j++) {
                    if (aux.contains("" + j)) aux.replace(j, '_');
                }
                for (char j = 123; j < 128; j++) {
                    if (aux.contains("" + j)) aux.replace(j, '_');
                }

                int limit = 6;
                for (int k = 0; k < limit; k++) {
                    if (aux.charAt(k) != ' ') {
                        dirs.append(aux.charAt(k));
                    }
                    else limit++;
                }
                dirs.append("~1");
                if (end != -1) dirs.append("\\");
            }
            else dirs.append(aux + "\\");
            if (end == -1) break;
            end = wholedir.indexOf("\\");
        }
        return disk.toUpperCase() + dirs.toString().toUpperCase() + xtens.toUpperCase();
    }
}