com.jgoodies.binding
Class BindingUtils

java.lang.Object
  com.jgoodies.binding.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: 1.5 $

Author:

Karsten Lentzsch

Method Summary

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

Methods inherited from class java.lang.Object

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

Method Detail

equals

public static boolean equals(java.lang.Object o1,
                             java.lang.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(java.lang.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

See Also:

isEmpty(String)

isEmpty

public static boolean isEmpty(java.lang.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

See Also:

isBlank(String)