JSONObject.Null (Grails 2.2.4)

Overview

Package

Class

Deprecated

Index

Help

Groovy Documentation

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

org.codehaus.groovy.grails.web.json
[Java] Class JSONObject.Null

java.lang.Object
  org.codehaus.groovy.grails.web.json.JSONObject.Null

public static final class JSONObject.Null

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

Method Summary
`boolean`	`asBoolean()` Null in JSON should evaluate to false
`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.
`java.lang.String`	`toString()` Get the "null" string value.

Methods inherited from class java.lang.Object
java.lang.Object#wait(), java.lang.Object#wait(long), java.lang.Object#wait(long, int), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll()

Method Detail

public boolean asBoolean()

Null in JSON should evaluate to false

@Override
protected final java.lang.Object clone()

There is only intended to be a single instance of the NULL object, so the clone method returns itself.

@Override
public boolean equals(java.lang.Object object)

A Null object is equal to the null value and to itself.

Returns:: true if the object parameter is the JSONObject.NULL object or null.

@Override
public java.lang.String toString()

Get the "null" string value.

Groovy Documentation