org.apache.tiles

Class CompareUtil

java.lang.Object

org.apache.tiles.CompareUtil

public final class CompareUtil
extends Object

Utilities to work with comparation between objects.

Since:

2.2.0

Version:

$Rev: 787720 $ $Date: 2009-06-23 17:39:21 +0200 (mar, 23 giu 2009) $

Method Summary

Modifier and Type	Method and Description
static boolean	nullSafeEquals(Object obj1, Object obj2) Checks if two objects (eventually null) are the same.
static int	nullSafeHashCode(Object obj) Returns 0 if the object is null, the hash code of the object otherwise.

Methods inherited from class java.lang.Object

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

Method Detail

nullSafeEquals

public static boolean nullSafeEquals(Object obj1,
                                     Object obj2)

Checks if two objects (eventually null) are the same. They are considered the same even if they are both null.

Parameters:

obj1 - The first object to check.

obj2 - The second object to check.

Returns:

true if the objects are the same.

Since:

2.2.0

nullSafeHashCode

public static int nullSafeHashCode(Object obj)

Returns 0 if the object is null, the hash code of the object otherwise.

Parameters:

obj - The object from which the hash code must be calculated..

Returns:

The hash code.

Since:

2.2.0