io.a2a_preview.client

Class A2AClient

java.lang.Object

io.a2a_preview.client.A2AClient

public class A2AClient
extends Object

A2A protocol client implementation

Constructor Summary

Constructors

Constructor and Description
A2AClient(String baseUrl) Create a new A2A client

Method Summary

Modifier and Type	Method and Description
JSONRPCResponse	cancelTask(TaskIDParams params) Cancel a task
AgentCard	getAgentCard() Get agent card information
JSONRPCResponse	getTask(TaskQueryParams params) Get the status of a task
JSONRPCResponse	sendTask(TaskSendParams params) Send a task message to the agent
CompletableFuture<Void>	sendTaskStreaming(TaskSendParams params, StreamingEventListener listener) Send a task with streaming response

Methods inherited from class java.lang.Object

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

Constructor Detail

A2AClient

public A2AClient(String baseUrl)

Create a new A2A client

Parameters:

baseUrl - the base URL of the A2A server

Method Detail

sendTask

public JSONRPCResponse sendTask(TaskSendParams params)
                         throws Exception

Send a task message to the agent

Parameters:

params - task send parameters

Returns:

JSON-RPC response containing the task

Throws:

Exception

getTask

public JSONRPCResponse getTask(TaskQueryParams params)
                        throws Exception

Get the status of a task

Parameters:

params - task query parameters

Returns:

JSON-RPC response containing the task

Throws:

Exception

cancelTask

public JSONRPCResponse cancelTask(TaskIDParams params)
                           throws Exception

Cancel a task

Parameters:

params - task ID parameters

Returns:

JSON-RPC response containing the task

Throws:

Exception

sendTaskStreaming

public CompletableFuture<Void> sendTaskStreaming(TaskSendParams params,
                                                 StreamingEventListener listener)

Send a task with streaming response

Parameters:

params - task send parameters

listener - event listener for streaming updates

Returns:

CompletableFuture that completes when streaming ends

getAgentCard

public AgentCard getAgentCard()

Get agent card information

Returns:

the agent card