Package org.knowm.xchange.utils

Class Assert

java.lang.Object

org.knowm.xchange.utils.Assert

public abstract class Assert
extends Object

Abstract class to provide the following to framework:

• Provision of useful assertions to trap programmer errors early

Constructor Summary

Constructors

Constructor	Description
Assert()

Method Summary

Modifier and Type	Method	Description
static void	hasLength(String input, int length, String message)	Asserts that a String is not null and of a certain length
static void	hasSize(Collection<?> input, int length, String message)	Asserts that a Collection is not null and of a certain size
static void	isTrue(boolean condition, String message)	Asserts that a condition is true
static void	notNull(Object object, String message)	Asserts that an object is not null

Methods inherited from class java.lang.Object

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

Constructor Details

Assert

public Assert()

Method Details

isTrue

public static void isTrue(boolean condition,
 String message)

Asserts that a condition is true

Parameters:

condition - The condition under test

message - The message for any exception

notNull

public static void notNull(Object object,
 String message)

Asserts that an object is not null

Parameters:

object - The object under test

message - The message for any exception

hasLength

public static void hasLength(String input,
 int length,
 String message)

Asserts that a String is not null and of a certain length

Parameters:

input - The input under test

message - The message for any exception

hasSize

public static void hasSize(Collection<?> input,
 int length,
 String message)

Asserts that a Collection is not null and of a certain size

Parameters:

input - The input under test

message - The message for any exception