org.eclipse.emf.ecp.common.spi.asserts
Class Assert<T>

java.lang.Object
  org.eclipse.emf.ecp.common.spi.asserts.Assert<T>

Type Parameters:

T - the type of the object the Assert class verifies.

public final class Assert<T>
extends Object

Class for checking the validity of a provided object.

Since:

1.6

Author:

Alexandra Buzila

Method Summary

T	check() Usage example: Assert.create(Object object).notNull().ofClass(Class clazz).check().
static <T> Assert<T>	create(T object)
Assert<T>	notNull() Checks if the object is null, in which case an IllegalArgumentException is thrown.
Assert<?>	ofClass(Class<?> clazz) Checks if the object has a different type than the Class provided as parameter, in which case an IllegalArgumentException is thrown.

Methods inherited from class java.lang.Object

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

Method Detail

create

public static <T> Assert<T> create(T object)

Type Parameters:

T - the type of the object the Assert class verifies.

Parameters:

object - the object that will be checked

Returns:

a new instance of the Assert class.

notNull

public Assert<T> notNull()

Checks if the object is null, in which case an IllegalArgumentException is thrown.

Returns:

the Assert instance, when no exception is thrown.

ofClass

public Assert<?> ofClass(Class<?> clazz)

Checks if the object has a different type than the Class provided as parameter, in which case an IllegalArgumentException is thrown.

Parameters:

clazz - the Class against which the type of the object is checked.

Returns:

the Assert instance, when no exception is thrown.

check

public T check()

Usage example:
Assert.create(Object object).notNull().ofClass(Class clazz).check().

Returns:

the object for which the Assert is created.