org.opencms.json
Class JSONObject.Null

java.lang.Object
  extended by org.opencms.json.JSONObject.Null
Enclosing class:
JSONObject

protected static final class JSONObject.Null
extends java.lang.Object

JSONObject.NULL is equivalent to the value that JavaScript calls null, whilst Java's null is equivalent to the value that JavaScript calls undefined.


Constructor Summary
protected JSONObject.Null()
           
 
Method Summary
protected  java.lang.Object clone()
          There is only intended to be a single instance of the NULL object, so the clone method returns itself.
 boolean equals(java.lang.Object object)
          A Null object is equal to the null value and to itself.
 int hashCode()
           
 java.lang.String toString()
          Get the "null" string value.
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

JSONObject.Null

protected JSONObject.Null()
Method Detail

equals

public boolean equals(java.lang.Object object)
A Null object is equal to the null value and to itself.

Overrides:
equals in class java.lang.Object
Parameters:
object - an object to test for nullness
Returns:
true if the object parameter is the JSONObject.NULL object or null

hashCode

public int hashCode()
Overrides:
hashCode in class java.lang.Object
See Also:
Object.hashCode()

toString

public java.lang.String toString()
Get the "null" string value.

Overrides:
toString in class java.lang.Object
Returns:
the string "null".

clone

protected java.lang.Object clone()
There is only intended to be a single instance of the NULL object, so the clone method returns itself.

Overrides:
clone in class java.lang.Object
Returns:
NULL.