Package org.apache.tiles
Class CompareUtil
java.lang.Object
org.apache.tiles.CompareUtil
Utilities to work with comparation between objects.
- Since:
- 2.2.0
- Version:
- $Rev: 787720 $ $Date: 2009-06-24 01:39:21 +1000 (Wed, 24 Jun 2009) $
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Method Summary
Modifier and TypeMethodDescriptionstatic boolean
nullSafeEquals
(Object obj1, Object obj2) Checks if two objects (eventually null) are the same.static int
nullSafeHashCode
(Object obj) Returns0
if the object is null, the hash code of the object otherwise.
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Method Details
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nullSafeEquals
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
Returns0
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
-