Java ByteBuffer Endian convertLittleEndianLong(ByteBuffer buff, int size)

Description

convert Little Endian Long

License

Apache License

Declaration

public static long convertLittleEndianLong(ByteBuffer buff, int size) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.nio.ByteBuffer;
import java.nio.ByteOrder;

public class Main {
    private static final int LONG_SIZE = 8;

    public static long convertLittleEndianLong(ByteBuffer buff, int size) {
        if (size <= 0 || size > LONG_SIZE) {
            throw new IllegalArgumentException("size MUST be less 8.");
        }/*from ww w .j av a  2s. c  o m*/
        byte[] array = new byte[size];
        buff.get(array);
        ByteBuffer bbf = ByteBuffer.allocate(LONG_SIZE);
        bbf.put(array);
        bbf.order(ByteOrder.LITTLE_ENDIAN);
        if (size < LONG_SIZE) {
            bbf.position(LONG_SIZE);
        }
        bbf.flip();
        return bbf.getLong();
    }
}

Related

1. assertByteOrderLittleEndian(ByteBuffer buffer)
2. decodeLittleEndianFixedWidthLong(ByteBuffer buffer)
3. decodeLittleEndianVarInt(ByteBuffer buffer)
4. extractInt(ByteBuffer header_buf, boolean bigEndian)
5. extractShort(ByteBuffer buffer, boolean bigEndian)