Package org.apache.tiles

Class CompareUtil

  • public final class CompareUtil
extends java.lang.Object
    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) $

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean nullSafeEquals​(java.lang.Object obj1, java.lang.Object obj2)
      Checks if two objects (eventually null) are the same.
      static int nullSafeHashCode​(java.lang.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​(java.lang.Object obj1,
                                     java.lang.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​(java.lang.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