JSONNull (GWT Javadoc)

java.lang.Object

com.google.gwt.json.client.JSONValue

com.google.gwt.json.client.JSONNull

public class JSONNull extends JSONValue

Represents the JSON null value.

Method Summary

Modifier and Type

Method

Description

static JSONNull

getInstance()

Returns the singleton null-valued JSON object.

(package private) JavaScriptObject

getUnwrapper()

Internal.

JSONNull

isNull()

Returns this, as this is a JSONNull.

String

toString()

Returns "null" to allow for formatting null values.

Methods inherited from class com.google.gwt.json.client.JSONValue
isArray, isBoolean, isNumber, isObject, isString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Details
- getInstance
  
  public static JSONNull getInstance()
  
  Returns the singleton null-valued JSON object.
- isNull
  
  public JSONNull isNull()
  
  Returns this, as this is a JSONNull.
  
  Overrides:
  
  isNull in class JSONValue
  
  Returns:
  
  a reference to a JSONNull if this JSONValue is a JSONNull or null otherwise.
- toString
  
  public String toString()
  
  Returns "null" to allow for formatting null values.
  
  Specified by:
  
  toString in class JSONValue
- getUnwrapper
  
  JavaScriptObject getUnwrapper()
  
  Description copied from class: JSONValue
  
  Internal. Returns a JS func that can unwrap this value. Used from native code.
  
  Specified by:
  
  getUnwrapper in class JSONValue