com.xatkit.core.server

Class JsonRestHandler.JsonHelper

java.lang.Object

com.xatkit.core.server.JsonRestHandler.JsonHelper

Enclosing class:

JsonRestHandler

public static class JsonRestHandler.JsonHelper
extends Object

A static class containing utility methods to manipulate Json contents.

Constructor Summary

Constructors

Constructor and Description
JsonHelper()

Method Summary

Modifier and Type	Method and Description
static com.google.gson.JsonElement	getJsonElementFromJsonObject(com.google.gson.JsonObject object, String key) Returns the JsonElement associated to the given key in the provided object.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonHelper

public JsonHelper()

Method Detail

getJsonElementFromJsonObject

public static com.google.gson.JsonElement getJsonElementFromJsonObject(com.google.gson.JsonObject object,
                                                                       String key)

Returns the JsonElement associated to the given key in the provided object.

This method throws a XatkitException if the key field of the provided JsonObject is null. The thrown exception can be globally caught to avoid multiple null checks when manipulating JsonObjects.

Parameters:

object - the JsonObject to retrieve the field of

key - the identifier of the field in the provided object to retrieve

Returns:

the JsonElement associated to the given key in the provided object

Throws:

XatkitException - if the key field is null