ice.util
Class ByteUtil

java.lang.Object
  ice.util.ByteUtil

public class ByteUtil

extends Object

A utility class containing common byte related functionalities.

Version:

1.0

Author:

Jack van Ooststroom

Constructor Summary

ByteUtil()

Method Summary

static byte[]	padOrTruncate(byte[] bytes, int length) Pads or truncates the specified bytes to the specified length.
static String	toHexadecimalString(byte[] bytes) Converts the specified bytes to a hexadecimal string.

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteUtil

public ByteUtil()

Method Detail

padOrTruncate

public static byte[] padOrTruncate(byte[] bytes,
                                   int length)
                            throws IllegalArgumentException

Pads or truncates the specified bytes to the specified length.

Padding or truncating the bytes is dependent on bytes.length:

• if lesser than length padding is used;
• if greater than length trancating is used;
• if equal to length it remains unchanged.

Parameters:

bytes - the bytes that need to be either padded or truncated.

length - the required length of the bytes being returned.

Returns:

the padded or truncated bytes.

Throws:

IllegalArgumentException - if the specified length is lesser than 0.

toHexadecimalString

public static String toHexadecimalString(byte[] bytes)

Converts the specified bytes to a hexadecimal string.

Parameters:

bytes - the bytes to be converted.

Returns:

the hexadecimal string representation of the specified bytes.