Package org.eclipse.keyple.core.util.json

Class JsonUtil

java.lang.Object

org.eclipse.keyple.core.util.json.JsonUtil

public final class JsonUtil
extends Object

Json utilities based on Gson (com.google.gson).

Since:

2.0.0

Method Summary

Modifier and Type	Method	Description
static com.google.gson.Gson	getParser()	Gets the singleton instance of the parser.
static void	registerTypeAdapter(Class<?> matchingClass, Object adapter, boolean withSubclasses)	Registers a new type adapter.
static String	toJson(Object obj)	Formats the provided object as a json string.

Methods inherited from class java.lang.Object

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

Method Details

getParser

public static com.google.gson.Gson getParser()

Gets the singleton instance of the parser.

If not created yet, a default instance is created.

Caution: to use the Gson object in return, the invoker must also import the Gson library from Google (see the manifest of the NOTICE document for the version to be used).

Returns:

a not null instance.

Since:

2.0.0

registerTypeAdapter

public static void registerTypeAdapter(Class<?> matchingClass,
 Object adapter,
 boolean withSubclasses)

Registers a new type adapter.

Parameters:

matchingClass - The type to be registered.

adapter - The type adapter to be registered (should implement JsonSerializer and/or JsonDeserializer).

withSubclasses - Apply this adapter to subclasses of matchingClass also.

Since:

2.0.0

toJson

public static String toJson(Object obj)

Formats the provided object as a json string.

Parameters:

obj - The object to format.

Returns:

A not empty String.

Since:

2.0.0