Java ByteBuffer to Int readUnsignedInt(ByteBuffer buf)

Description

Unmarshall the next four bytes which hold an unsigned int into a long.

License

Open Source License

Declaration

public static long readUnsignedInt(ByteBuffer buf) 

Method Source Code

//package com.java2s;
/*-//w  w  w .ja  v a2 s  .c o m
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 2002-2010 Oracle.  All rights reserved.
 *
 */

import java.nio.ByteBuffer;

public class Main {
    /**
     * Unmarshall the next four bytes which hold an unsigned int into a long.
     */
    public static long readUnsignedInt(ByteBuffer buf) {
        long ret = (buf.get() & 0xFFL) << 0;
        ret += (buf.get() & 0xFFL) << 8;
        ret += (buf.get() & 0xFFL) << 16;
        ret += (buf.get() & 0xFFL) << 24;
        return ret;
    }
}

Related

1. readIntoBuffer(SocketChannel channel, ByteBuffer buf, int sleepMsecs)
2. readInts(final ByteBuffer bb, final int length)
3. readInts4(final ByteBuffer buffer, final int[] array, final int count)
4. readUnsigned(ByteBuffer in, int size)
5. readUnsignedByte(ByteBuffer buffer)
6. readUnsignedInt(ByteBuffer buffer)
7. readUnsignedInt(ByteBuffer buffer, int index)
8. readUnsignedInt(ByteBuffer byteBuf)
9. readUnsignedMedium(ByteBuffer buf)