org.opencms.json

Class JSONObject.Null

java.lang.Object

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

Constructors

Modifier	Constructor and Description
protected	Null()

Method Summary

Modifier and Type	Method and Description
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

Null

protected 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.