Package com.google.gwt.json.client

Class JSONValue

java.lang.Object

com.google.gwt.json.client.JSONValue

Direct Known Subclasses:

JSONArray, JSONBoolean, JSONNull, JSONNumber, JSONObject, JSONString

public abstract class JSONValue
extends Object

The superclass of all JSON value types.

See Also:

• JSONArray
• JSONBoolean
• JSONNumber
• JSONObject
• JSONString

Constructor Summary

Constructors

Constructor	Description
JSONValue()	Not subclassable outside this package.

Method Summary

Modifier and Type	Method	Description
(package private) abstract JavaScriptObject	getUnwrapper()	Internal.
JSONArray	isArray()	Returns a non-null reference if this JSONValue is really a JSONArray.
JSONBoolean	isBoolean()	Returns a non-null reference if this JSONValue is really a JSONBoolean.
JSONNull	isNull()	Returns a non-null reference if this JSONValue is really a JSONNull.
JSONNumber	isNumber()	Returns a non-null reference if this JSONValue is really a JSONNumber.
JSONObject	isObject()	Returns non-null if this JSONValue is really a JSONObject.
JSONString	isString()	Returns a non-null reference if this JSONValue is really a JSONString.
abstract String	toString()	Returns a JSON-encoded string for this entity.

Methods inherited from class java.lang.Object

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

Constructor Details

JSONValue

JSONValue()

Not subclassable outside this package.

Method Details

isArray

public JSONArray isArray()

Returns a non-null reference if this JSONValue is really a JSONArray.

Returns:

a reference to a JSONArray if this JSONValue is a JSONArray or null otherwise.

isBoolean

public JSONBoolean isBoolean()

Returns a non-null reference if this JSONValue is really a JSONBoolean.

Returns:

a reference to a JSONBoolean if this JSONValue is a JSONBoolean or null otherwise.

isNull

public JSONNull isNull()

Returns a non-null reference if this JSONValue is really a JSONNull.

Returns:

a reference to a JSONNull if this JSONValue is a JSONNull or null otherwise.

isNumber

public JSONNumber isNumber()

Returns a non-null reference if this JSONValue is really a JSONNumber.

Returns:

a reference to a JSONNumber if this JSONValue is a JSONNumber or null otherwise.

isObject

public JSONObject isObject()

Returns non-null if this JSONValue is really a JSONObject.

Returns:

a reference to a JSONObject if this JSONValue is a JSONObject or null otherwise.

isString

public JSONString isString()

Returns a non-null reference if this JSONValue is really a JSONString.

Returns:

a reference to a JSONString if this JSONValue is a JSONString or null otherwise.

toString

public abstract String toString()

Returns a JSON-encoded string for this entity. Use this method to create JSON strings that can be sent from the client to a server.

Overrides:

toString in class Object

getUnwrapper

abstract JavaScriptObject getUnwrapper()

Internal. Returns a JS func that can unwrap this value. Used from native code.