Class JsonUtil_v0_3

java.lang.Object

org.a2aproject.sdk.compat03.json.JsonUtil_v0_3

public class JsonUtil_v0_3
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final com.google.gson.Gson	OBJECT_MAPPER	Pre-configured Gson instance for JSON operations.

Constructor Summary

Constructors

Constructor	Description
JsonUtil_v0_3()

Method Summary

Modifier and Type	Method	Description
static <T> T	fromJson(String json, Class<T> classOfT)
static <T> T	fromJson(String json, Type type)
static String	toJson(Object data)	Serializes an object to a JSON string using Gson.
static void	writeJsonRpcId(com.google.gson.stream.JsonWriter out, @Nullable Object id)	Writes a JSON-RPC id field.

Methods inherited from class Object

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

Field Details

OBJECT_MAPPER

public static final com.google.gson.Gson OBJECT_MAPPER

Pre-configured Gson instance for JSON operations.

This mapper is configured with strict parsing mode and all necessary custom TypeAdapters for A2A Protocol types including polymorphic types, enums, and date/time types.

Used throughout the SDK for consistent JSON serialization and deserialization.

Constructor Details

JsonUtil_v0_3

public JsonUtil_v0_3()

Method Details

fromJson

public static <T> T fromJson(String json,
 Class<T> classOfT)
                      throws JsonProcessingException_v0_3

Throws:

JsonProcessingException_v0_3

fromJson

public static <T> T fromJson(String json,
 Type type)
                      throws JsonProcessingException_v0_3

Throws:

JsonProcessingException_v0_3

toJson

public static String toJson(Object data)
                     throws JsonProcessingException_v0_3

Serializes an object to a JSON string using Gson.

This method uses the pre-configured OBJECT_MAPPER to produce JSON representation of the provided object.

Parameters:

data - the object to serialize

Returns:

JSON string representation of the object

Throws:

JsonProcessingException_v0_3

writeJsonRpcId

public static void writeJsonRpcId(com.google.gson.stream.JsonWriter out,
 @Nullable Object id)
                           throws IOException

Writes a JSON-RPC id field. Handles null, String, and Number values, preserving fractional precision for non-integer numeric IDs.

Throws:

IOException