/*

 * This file is part of libbluray

 * Copyright (C) 2010  William Hahne

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 */

package org.videolan;

import java.text.DecimalFormat;

public class BDJUtil {

    /**

     * Make a five digit zero padded string based on an integer

     * Ex. integer 1 -> string "00001"

     *

     * @param id

     * @return

     */

    public static String makeFiveDigitStr(int id) {

        if (id < 0 || id > 99999) {

            System.err.println("Invalid ID: " + id);

            throw new IllegalArgumentException("Invalid ID " + id);

        }

        String s = "" + id;

        while (s.length() < 5) {

            s = "0" + s;

        }

        return s;

        /*

        DecimalFormat fmt = new DecimalFormat();

        fmt.setMaximumIntegerDigits(5);

        fmt.setMinimumIntegerDigits(5);

        fmt.setGroupingUsed(false);

        return fmt.format(id);

        */

    }

    /**

     * Make a path based on the disc root to an absolute path based on the filesystem of the computer

     * Ex. /BDMV/JAR/00000.jar -> /bluray/disc/mount/point/BDMV/JAR/00000.jar

     * @param path

     * @return

     */

    public static String discRootToFilesystem(String path) {

        String vfsRoot = System.getProperty("bluray.vfs.root");

        if (vfsRoot == null) {

            System.err.println("discRootToFilesystem(): disc root not set !");

            return path;

        }

        return vfsRoot + path;

    }

}