com.atlassian.user.util
Class Assert

java.lang.Object
  com.atlassian.user.util.Assert

public class Assert
extends Object

Constructor Summary

Assert()

Method Summary

static void	isInstanceOf(Class clazz, Object object) Assert that the provided object is an instance of the provided class, throwing an IllegalArgumentException if is it not.
static void	isInstanceOf(Class clazz, Object object, String message) Assert that the provided object is an instance of the provided class, throwing an IllegalArgumentException if is it not.
static void	isTrue(boolean expression, String message) Asserts that an expression is true, throwing an IllegalArgumentException if it is false.
static void	notNull(Object object, String message) Assert that an object is not null, throwing IllegalArgumentException if it is.

Methods inherited from class java.lang.Object

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

Constructor Detail

Assert

public Assert()

Method Detail

notNull

public static void notNull(Object object,
                           String message)

Assert that an object is not null, throwing IllegalArgumentException if it is.

Parameters:

object - the object to check for null

message - the exception message to use if the assertion fails

Throws:

IllegalArgumentException - if the object is null

isTrue

public static void isTrue(boolean expression,
                          String message)

Asserts that an expression is true, throwing an IllegalArgumentException if it is false.

Parameters:

expression - the expression to check

message - the exception message to use if the assertion fails

Throws:

IllegalArgumentException - if the assertion fails

isInstanceOf

public static void isInstanceOf(Class clazz,
                                Object object)

Assert that the provided object is an instance of the provided class, throwing an IllegalArgumentException if is it not.

Parameters:

clazz - the required class

object - the object to check

Throws:

IllegalArgumentException - if the object is not an instance of clazz

isInstanceOf

public static void isInstanceOf(Class clazz,
                                Object object,
                                String message)

Assert that the provided object is an instance of the provided class, throwing an IllegalArgumentException if is it not.

Parameters:

clazz - the required class

object - the object to check

message - the exception message to use if the assertion fails

Throws:

IllegalArgumentException - if the object is not an instance of clazz