uk.ac.ed.ph.snuggletex.internal.util

Class ConstraintUtilities

java.lang.Object

uk.ac.ed.ph.snuggletex.internal.util.ConstraintUtilities

public final class ConstraintUtilities
extends Object

Simple utility methods for enforcing various types of data constraints.

Some of the functionality here is reproduced in Spring (and in other 3rd party JARs), but we need this to work at the client-side too and may opt not to such 3rd party products there. Regardless, this is trivial anyway! (This is copied from ph-commons-util.)

Version:

$Revision$

Author:

David McKain

Constructor Summary

Constructors

Constructor and Description
ConstraintUtilities()

Method Summary

Modifier and Type	Method and Description
static void	ensureNotNull(Object value)
static void	ensureNotNull(Object value, String objectName) Checks that the given object is non-null, throwing an IllegalArgumentException if the check fails.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstraintUtilities

public ConstraintUtilities()

Method Detail

ensureNotNull

public static void ensureNotNull(Object value)

ensureNotNull

public static void ensureNotNull(Object value,
                                 String objectName)

Checks that the given object is non-null, throwing an IllegalArgumentException if the check fails. If the check succeeds then nothing happens.

Parameters:

value - object to test

objectName - name to give to supplied Object when constructing Exception message.

Throws:

IllegalArgumentException - if an error occurs.