Java Byte Array to Double byteArrayToDoubleBE(byte[] data)

Description

byte Array To Double BE

License

Open Source License

Declaration

public static double byteArrayToDoubleBE(byte[] data) 

Method Source Code

//package com.java2s;
/*//ww  w  .ja v a  2s  .  co  m
 * This file is part of JGrasstools (http://www.jgrasstools.org)
 * (C) HydroloGIS - www.hydrologis.com 
 * 
 * JGrasstools is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    public static double byteArrayToDoubleBE(byte[] data) {
        if (data == null || data.length != 8)
            return 0x0;
        // ---------- simple:
        return Double.longBitsToDouble(byteArrayToLongBE(data));
    }

    /**
     * Convert a byte array to an integer (big endian).
     * 
     * @param data the byte array to convert.
     * @return the integer.
     */
    public static long byteArrayToLongBE(byte[] data) {
        if (data == null)
            return 0x0;
        long accum = 0;
        int shiftBy = 8 * data.length - 8;
        for (byte b : data) {
            accum |= (long) (0xff & b) << shiftBy;
            shiftBy -= 8;
        }
        return accum;
    }
}

Related

1. byteArrayToDouble(byte[] b)
2. byteArrayToDouble(byte[] byteArray)
3. byteArrayToDouble(byte[] byteArray)
4. byteArrayToDouble(byte[] bytes)
5. byteArrayToDoubleArray(final byte[] raw, final boolean bigEndian, final int length)
6. bytes2double(byte[] b)
7. bytes2double(byte[] bytes)
8. bytesToDouble(byte[] buffer)
9. bytesToDouble(byte[] bytes)