byte Array Big Endian Int - Android File Input Output

Android examples for File Input Output:Byte Array

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Description

byte Array Big Endian Int

Demo Code


//package com.book2s;

public class Main {
    public static final int BYTE_MASK = 0xff;

    public static int byteArrayBigEndian2Int(byte[] bs) {
        return byteArray2Int(bs);
    }//from  www .  j av  a  2 s  .  c  om

    public static int byteArray2Int(byte[] bs) {
        if (bs.length != 4)
            throw new IllegalArgumentException();
        int res = 0;
        res |= (bs[0] & BYTE_MASK) << 24;
        res |= (bs[1] & BYTE_MASK) << 16;
        res |= (bs[2] & BYTE_MASK) << 8;
        res |= (bs[3] & BYTE_MASK);
        return res;
    }
}

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