com.mucommander.io
Class ByteUtils

java.lang.Object
  com.mucommander.io.ByteUtils

public class ByteUtils
extends java.lang.Object

This class provides convenience static methods that operate on bits and bytes.

Author:

Maxence Bernard

Constructor Summary

ByteUtils()

Method Summary

static int	setBit(int i, int bit, boolean enabled) Sets/unsets a bit in the given integer.
static java.lang.String	toHexString(byte[] bytes) Returns an hexadecimal string representation of the given byte array, where each byte is represented by two hexadecimal characters and padded with a zero if its value is comprised between 0 and 15 (inclusive).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ByteUtils

public ByteUtils()

Method Detail

setBit

public static int setBit(int i,
                         int bit,
                         boolean enabled)

Sets/unsets a bit in the given integer.

Parameters:

i - the permission int

bit - the bit to set

enabled - true to enable the bit, false to disable it

Returns:

the modified permission int

toHexString

public static java.lang.String toHexString(byte[] bytes)

Returns an hexadecimal string representation of the given byte array, where each byte is represented by two hexadecimal characters and padded with a zero if its value is comprised between 0 and 15 (inclusive). As an example, this method will return "6d75636f0a" when called with the byte array {109, 117, 99, 111, 10}.

Parameters:

bytes - the array of bytes for which to get an hexadecimal string representation

Returns:

an hexadecimal string representation of the given byte array