com.vk.sdk.util

Class VKJsonHelper

java.lang.Object

com.vk.sdk.util.VKJsonHelper

public class VKJsonHelper
extends java.lang.Object

Provide common functions for json processing

Constructor Summary

Constructors

Constructor and Description
VKJsonHelper()

Method Summary

Modifier and Type	Method and Description
static java.util.Map<java.lang.String,java.lang.Object>	getMap(org.json.JSONObject object, java.lang.String key) Converts field in key to map
static boolean	isEmptyObject(org.json.JSONObject object) Check if json object is empty
static java.lang.Object	toArray(org.json.JSONArray array, java.lang.Class arrayClass)
static java.lang.Object	toJSON(java.lang.Object object) Converts object to JSON object, if possible
static java.util.List	toList(org.json.JSONArray array) Converts json-array to list
static java.util.Map<java.lang.String,java.lang.Object>	toMap(org.json.JSONObject object) Converts selected json-object to map

Methods inherited from class java.lang.Object

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

Constructor Detail

VKJsonHelper

public VKJsonHelper()

Method Detail

toJSON

public static java.lang.Object toJSON(java.lang.Object object)
                               throws org.json.JSONException

Converts object to JSON object, if possible

Parameters:

object - object to serialize to json

Returns:

Completed json object

Throws:

org.json.JSONException

isEmptyObject

public static boolean isEmptyObject(org.json.JSONObject object)

Check if json object is empty

Parameters:

object - object to check

Returns:

true if object is empty

getMap

public static java.util.Map<java.lang.String,java.lang.Object> getMap(org.json.JSONObject object,
                                                                      java.lang.String key)
                                                               throws org.json.JSONException

Converts field in key to map

Parameters:

object - target object

key - target key

Returns:

Map of field by passed key

Throws:

org.json.JSONException

toMap

public static java.util.Map<java.lang.String,java.lang.Object> toMap(org.json.JSONObject object)
                                                              throws org.json.JSONException

Converts selected json-object to map

Parameters:

object - object to convert

Returns:

Filled map

Throws:

org.json.JSONException

toList

public static java.util.List toList(org.json.JSONArray array)
                             throws org.json.JSONException

Converts json-array to list

Parameters:

array - json-array to convert

Returns:

converted array

Throws:

org.json.JSONException

toArray

public static java.lang.Object toArray(org.json.JSONArray array,
                                       java.lang.Class arrayClass)