    001/*****************************************************************************
    002 * Copyright by The HDF Group.                                               *
    003 * Copyright by the Board of Trustees of the University of Illinois.         *
    004 * All rights reserved.                                                      *
    005 *                                                                           *
    006 * This file is part of the HDF Java Products distribution.                  *
    007 * The full copyright notice, including terms governing use, modification,   *
    008 * and redistribution, is contained in the files COPYING and Copyright.html. *
    009 * COPYING can be found at the root of the source code distribution tree.    *
    010 * Or, see https://support.hdfgroup.org/products/licenses.html               *
    011 * If you do not have access to either file, you may request a copy from     *
    012 * help@hdfgroup.org.                                                        *
    013 ****************************************************************************/
    014
    015package hdf.object;
    016
    017public final class Utils {
    018    private Utils() {
    019        throw new IllegalStateException("Utility class");
    020    }
    021
    022    /**
    023     * Retrieves the Java Runtime Class of the given Object. B = byte array, S = short array, I = int
    024     * array, J = long array, F = float array, D = double array, L = class or interface
    025     *
    026     * @param o
    027     *            the Object to determine the Runtime Class of
    028     * @return the Java Runtime Class of the given Object.
    029     */
    030    public static char getJavaObjectRuntimeClass(Object o) {
    031        if (o == null)
    032            return ' ';
    033
    034        String cName = o.getClass().getName();
    035
    036        if (cName.equals("java.lang.String") || cName.equals("java.util.Vector")
    037                || cName.equals("java.util.Arrays$ArrayList") || cName.equals("java.util.ArrayList"))
    038            return 'L';
    039
    040        int cIndex = cName.lastIndexOf('[');
    041        if (cIndex >= 0) {
    042            return cName.charAt(cIndex + 1);
    043        }
    044
    045        return ' ';
    046    }
    047
    048}