org.ow2.petals.registry.api.util
Class Assert

java.lang.Object
  org.ow2.petals.registry.api.util.Assert

public abstract class Assert
extends java.lang.Object

Author:

Christophe HAMERLING - eBM WebSourcing

Constructor Summary

Assert()

Method Summary

static void	isNull(java.lang.Object object) Assert that an object is null .
static void	isNull(java.lang.Object object, java.lang.String message) Assert that an object is null .
static void	isTrue(boolean expression) Assert a boolean expression, throwing IllegalArgumentException if the test result is false.
static void	isTrue(boolean expression, java.lang.String message) Assert a boolean expression, throwing IllegalArgumentException if the test result is false.
static void	notNull(java.lang.Object object) Assert that an object is not null .
static void	notNull(java.lang.Object object, java.lang.String message) Assert 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 Detail

Assert

public Assert()

Method Detail

isTrue

public static void isTrue(boolean expression,
                          java.lang.String message)

Assert a boolean expression, throwing IllegalArgumentException if the test result is false.

 Assert.isTrue(i > 0, "The value must be greater than zero");
 

Parameters:

expression - a boolean expression

message - the exception message to use if the assertion fails

Throws:

java.lang.IllegalArgumentException - if expression is false

isTrue

public static void isTrue(boolean expression)

Assert a boolean expression, throwing IllegalArgumentException if the test result is false.

 Assert.isTrue(i > 0);
 

Parameters:

expression - a boolean expression

Throws:

java.lang.IllegalArgumentException - if expression is false

isNull

public static void isNull(java.lang.Object object,
                          java.lang.String message)

Assert that an object is null .

 Assert.isNull(value, "The value must be null");
 

Parameters:

object - the object to check

message - the exception message to use if the assertion fails

Throws:

java.lang.IllegalArgumentException - if the object is not null

isNull

public static void isNull(java.lang.Object object)

Assert that an object is null .

 Assert.isNull(value);
 

Parameters:

object - the object to check

Throws:

java.lang.IllegalArgumentException - if the object is not null

notNull

public static void notNull(java.lang.Object object,
                           java.lang.String message)

Assert that an object is not null .

 Assert.notNull(clazz, "The class must not be null");
 

Parameters:

object - the object to check

message - the exception message to use if the assertion fails

Throws:

java.lang.IllegalArgumentException - if the object is null

notNull

public static void notNull(java.lang.Object object)

Assert that an object is not null .

 Assert.notNull(clazz);
 

Parameters:

object - the object to check

Throws:

java.lang.IllegalArgumentException - if the object is null