io.servicetalk.opentracing.internal

Class HexUtils

Object

HexUtils

public final class HexUtils
extends Object

Utilities for hex strings.

Method Summary

Modifier and Type	Method and Description
static String	hexBytesOfLong(long v) Builds an hex String that represents the provided long value.
static long	longOfHexBytes(String str, int offset) Retrieves the long value represented by the provided hex String.
static <T extends CharSequence> T	validateHexBytes(T str) Checks that the provided CharSequence is a valid hex CharSequence, throwing an IllegalArgumentException if it is not.

Methods inherited from class Object

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

Method Detail

validateHexBytes

public static <T extends CharSequence> T validateHexBytes(T str)

Checks that the provided CharSequence is a valid hex CharSequence, throwing an IllegalArgumentException if it is not.

Type Parameters:

T - The type of CharSequence to validate.

Parameters:

str - the CharSequence to check.

Returns:

the provided CharSequence unchanged.

longOfHexBytes

public static long longOfHexBytes(String str,
                                  int offset)

Retrieves the long value represented by the provided hex String. Throws StringIndexOutOfBoundsException if offset is invalid.

Parameters:

str - an hex String.

offset - The index to start within str to start the conversion.

Returns:

the long value.

hexBytesOfLong

public static String hexBytesOfLong(long v)

Builds an hex String that represents the provided long value.

Parameters:

v - the long value.

Returns:

an hex String.