com.jgoodies.binding

Class BindingUtils


public final class BindingUtils
extends java.lang.Object

Consists exclusively of static methods that provide convenience behavior used by the Binding classes.
Version:
$Revision: 1.4 $
Author:
Karsten Lentzsch

Method Summary

static boolean
equals(Object o1, Object o2)
Checks and answers if the two objects are both null or equal.
static boolean
isBlank(String str)
Checks and answers if the given string is whitespace, empty ("") or null.
static boolean
isEmpty(String str)
Checks and answers if the given string is empty ("") or null.

Method Details

equals

public static boolean equals(Object o1,
                             Object o2)
Checks and answers if the two objects are both null or equal.
 #equals(null, null)  == true
 #equals("Hi", "Hi")  == true
 #equals("Hi", null)  == false
 #equals(null, "Hi")  == false
 #equals("Hi", "Ho")  == false
 
Parameters:
o1 - the first object to compare
o2 - the second object to compare
Returns:
boolean true if and only if both objects are null or equal

isBlank

public static boolean isBlank(String str)
Checks and answers if the given string is whitespace, empty ("") or null.
 #isBlank(null)  == true
 #isBlank("")    == true
 #isBlank(" ")   == true
 #isBlank("Hi ") == false
 
Parameters:
str - the string to check, may be null
Returns:
true if the string is whitespace, empty or null

isEmpty

public static boolean isEmpty(String str)
Checks and answers if the given string is empty ("") or null.

 #isEmpty(null)  == true
 #isEmpty("")    == true
 #isEmpty(" ")   == false
 #isEmpty("Hi ") == false
 
Parameters:
str - the string to check, may be null
Returns:
true if the string is empty or null

Copyright © 2002-2007 JGoodies Karsten Lentzsch. All Rights Reserved.