Package com.wavefront.agent

Class Utils

java.lang.Object

com.wavefront.agent.Utils

public abstract class Utils
extends Object

A placeholder class for miscellaneous utility methods.

Author:

[email protected]

Constructor Summary

Constructors

Constructor	Description
Utils()

Method Summary

Modifier and Type	Method	Description
static String	addHyphensToUuid(String uuid)	Requires an input uuid string Encoded as 32 hex characters.
static String	convertToUuidString(String id)	Method converts a string Id to UUID.
static <T> Supplier<T>	lazySupplier(Supplier<T> supplier)	A lazy initialization wrapper for Supplier

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

lazySupplier

public static <T> Supplier<T> lazySupplier(Supplier<T> supplier)

A lazy initialization wrapper for Supplier

Parameters:

supplier - Supplier to lazy-initialize

Returns:

lazy wrapped supplier

addHyphensToUuid

public static String addHyphensToUuid(String uuid)

Requires an input uuid string Encoded as 32 hex characters. For example cced093a76eea418ffdc9bb9a6453df3

Parameters:

uuid - string encoded as 32 hex characters.

Returns:

uuid string encoded in 8-4-4-4-12 (rfc4122) format.

convertToUuidString

@Nullable
public static String convertToUuidString(@Nullable
                                         String id)

Method converts a string Id to UUID. This Method specifically converts id's with less than 32 digit hex characters into UUID format (See RFC 4122: A Universally Unique IDentifier (UUID) URN Namespace) by left padding id with Zeroes and adding hyphens. It assumes that if the input id contains hyphens it is already an UUID. Please don't use this method to validate/guarantee your id as an UUID.

Parameters:

id - a string encoded in hex characters.

Returns:

a UUID string.