com.nimbusds.jose.util

Class ByteUtils

java.lang.Object

com.nimbusds.jose.util.ByteUtils

public class ByteUtils
extends Object

Byte utilities.

Version:

2015-05-12

Author:

Vladimir Dzhuvinov

Constructor Summary

Constructors

Constructor and Description
ByteUtils()

Method Summary

Modifier and Type	Method and Description
static int	bitLength(byte[] byteArray) Returns the byte length of the specified byte array.
static int	bitLength(int byteLength) Returns the bit length of the specified byte length.
static int	byteLength(int bitLength) Returns the byte length of the specified bit length.
static byte[]	concat(byte[]... byteArrays) Concatenates the specified byte arrays.
static byte[]	subArray(byte[] byteArray, int beginIndex, int length) Returns a portion of the specified byte array.

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

concat

public static byte[] concat(byte[]... byteArrays)

Concatenates the specified byte arrays.

Parameters:

byteArrays - The byte arrays to concatenate, may be null.

Returns:

The resulting byte array.

subArray

public static byte[] subArray(byte[] byteArray,
                              int beginIndex,
                              int length)

Returns a portion of the specified byte array.

Parameters:

byteArray - The byte array. Must not be null.

beginIndex - The beginning index, inclusive. Must be zero or positive.

length - The length. Must be zero or positive.

Returns:

The byte array portion.

bitLength

public static int bitLength(int byteLength)

Returns the bit length of the specified byte length.

Parameters:

byteLength - The byte length.

Returns:

The bit length.

bitLength

public static int bitLength(byte[] byteArray)

Returns the byte length of the specified byte array.

Parameters:

byteArray - The byte array. May be null.

Returns:

The bite length, zero if the array is null.

byteLength

public static int byteLength(int bitLength)

Returns the byte length of the specified bit length.

Parameters:

bitLength - The bit length.

Returns:

The byte byte length.