eu.printingin3d.javascad.utils

Class AssertValue

java.lang.Object

eu.printingin3d.javascad.utils.AssertValue

public final class AssertValue
extends Object

Helper class with convenience method to check assertions.

Author:

ivivan

Method Summary

Modifier and Type	Method and Description
static void	isFalse(boolean value, String message) Checks if the value is false - if it isn't, throws an IllegalValueException with the given message.
static <T> void	isNotEmpty(Collection<T> value, String message) Checks if the value is null and not empty - if it is, throws an IllegalValueException with the given message.
static void	isNotNegative(double value, String message) Checks if the value is not negative - if it is, throws an IllegalValueException with the given message.
static void	isNotNegative(int value, String message) Checks if the value is not negative - if it is, throws an IllegalValueException with the given message.
static void	isNotNull(Object value, String message) Checks if the value is null - if it is, throws an IllegalValueException with the given message.
static void	isTrue(boolean value, String message) Checks if the value is true - if it isn't, throws an IllegalValueException with the given message.

Methods inherited from class java.lang.Object

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

Method Detail

isNotNull

public static void isNotNull(Object value,
                             String message)
                      throws IllegalValueException

Checks if the value is null - if it is, throws an IllegalValueException with the given message.

Parameters:

value - the object to be checked

message - the message used in the exception

Throws:

IllegalValueException - if the value parameter is null

isNotEmpty

public static <T> void isNotEmpty(Collection<T> value,
                                  String message)
                           throws IllegalValueException

Checks if the value is null and not empty - if it is, throws an IllegalValueException with the given message.

Type Parameters:

T - the type of the collection

Parameters:

value - the object to be checked

message - the message used in the exception

Throws:

IllegalValueException - if the value parameter is null or an empty list

isFalse

public static void isFalse(boolean value,
                           String message)
                    throws IllegalValueException

Checks if the value is false - if it isn't, throws an IllegalValueException with the given message.

Parameters:

value - the value to be checked

message - the message used in the exception

Throws:

IllegalValueException - if the value parameter is null

isTrue

public static void isTrue(boolean value,
                          String message)
                   throws IllegalValueException

Checks if the value is true - if it isn't, throws an IllegalValueException with the given message.

Parameters:

value - the value to be checked

message - the message used in the exception

Throws:

IllegalValueException - if the value parameter is null

isNotNegative

public static void isNotNegative(double value,
                                 String message)
                          throws IllegalValueException

Checks if the value is not negative - if it is, throws an IllegalValueException with the given message.

Parameters:

value - the value to be checked

message - the message used in the exception

Throws:

IllegalValueException - if the value parameter is null

isNotNegative

public static void isNotNegative(int value,
                                 String message)
                          throws IllegalValueException

Checks if the value is not negative - if it is, throws an IllegalValueException with the given message.

Parameters:

value - the value to be checked

message - the message used in the exception

Throws:

IllegalValueException - if the value parameter is null