Package org.a2aproject.sdk.spec

@NullMarked package org.a2aproject.sdk.spec

JSON processing exceptions for the A2A Java SDK.

This package provides custom exceptions that replace Jackson's JSON processing exceptions, allowing the SDK to be independent of any specific JSON library implementation.

Related Packages

Package	Description
org.a2aproject.sdk

Class	Description
A2AClientError	Base exception for A2A client-specific error conditions.
A2AClientException	Exception indicating a client-side failure in A2A Protocol operations.
A2AClientHTTPError	Client exception indicating an HTTP transport error with a specific status code.
A2AClientInvalidArgsError	Client exception indicating invalid arguments provided to a client operation.
A2AClientInvalidStateError	Client exception indicating an invalid state for the requested operation.
A2AClientJSONError	Client exception indicating a JSON serialization or deserialization error.
A2AError	Marker interface for A2A Protocol error events.
A2AErrorCodes	All the error codes for A2A errors.
A2AException	Base exception for A2A Protocol-related failures.
A2AMethods	Constants defining the A2A protocol method names.
A2AProtocolError	Represents a protocol-level error in the A2A Protocol.
A2AServerException	Exception indicating a server-side failure in A2A Protocol operations.
AgentCapabilities	Defines optional capabilities supported by an agent in the A2A Protocol.
AgentCapabilities.Builder	Builder for constructing immutable AgentCapabilities instances.
AgentCard	The AgentCard is a self-describing manifest for an agent in the A2A Protocol.
AgentCard.Builder	Builder for constructing immutable AgentCard instances.
AgentCardSignature	Represents a digital signature for an AgentCard using JSON Web Signature (JWS) format.
AgentCardSignature.Builder	Builder for constructing immutable AgentCardSignature instances.
AgentExtension	Represents a protocol extension supported by an agent.
AgentExtension.Builder	Builder for constructing immutable AgentExtension instances.
AgentInterface	Declares a combination of a target URL and protocol binding for accessing an agent.
AgentProvider	Represents information about the organization or entity providing an agent.
AgentSkill	Represents a distinct skill or capability that an agent can perform in the A2A Protocol.
AgentSkill.Builder	Builder for constructing immutable AgentSkill instances.
APIKeySecurityScheme	API key security scheme for agent authentication.
APIKeySecurityScheme.Builder	Builder for constructing immutable APIKeySecurityScheme instances.
APIKeySecurityScheme.Location	Represents the location of the API key.
Artifact	Represents a file, data structure, or other resource generated by an agent during task execution.
Artifact.Builder	Builder for constructing immutable Artifact instances.
AuthenticationInfo	Authentication information for agent authentication and push notification endpoints.
AuthorizationCodeOAuthFlow	Configuration for the OAuth 2.0 Authorization Code flow.
CancelTaskParams	Parameters for cancelling a task.
CancelTaskParams.Builder	Builder for constructing instances.
ClientCredentialsOAuthFlow	Configuration for the OAuth 2.0 Client Credentials flow.
Compat03Fields
ContentTypeNotSupportedError	A2A Protocol error indicating incompatibility between requested content types and agent capabilities.
DataPart	Represents a structured data content part within a Message or Artifact.
DeleteTaskPushNotificationConfigParams	Parameters for deleting a push notification configuration from a task.
DeleteTaskPushNotificationConfigParams.Builder	Builder for constructing DeleteTaskPushNotificationConfigParams instances.
DeviceCodeOAuthFlow	Configuration details for the OAuth 2.0 Device Code flow (RFC 8628).
Event	Marker interface for all event types in the A2A Protocol.
EventKind	Interface for events that can be returned from non-streaming A2A Protocol operations.
ExtendedAgentCardNotConfiguredError	A2A Protocol error indicating that the agent does not have an authenticated extended card configured.
ExtensionSupportRequiredError	A2A Protocol error indicating that a client requested use of an extension marked as required but did not declare support for it.
FileContent	Sealed interface representing file content in the A2A Protocol.
FilePart	Represents a file content part within a Message or Artifact.
FileWithBytes	Represents file content embedded directly as base64-encoded bytes.
FileWithUri	Represents file content referenced by a URI location.
GetExtendedAgentCardParams	Parameters to get the extended agent card.
GetTaskPushNotificationConfigParams	Parameters for retrieving push notification configuration for a specific task.
GetTaskPushNotificationConfigParams.Builder	Builder for constructing GetTaskPushNotificationConfigParams instances.
HTTPAuthSecurityScheme	HTTP authentication security scheme for agent authentication.
HTTPAuthSecurityScheme.Builder	Builder for constructing HTTPAuthSecurityScheme instances.
InternalError	JSON-RPC error indicating an internal error occurred on the server.
InvalidAgentResponseError	A2A Protocol error indicating that an agent returned a response not conforming to protocol specifications.
InvalidParamsError	JSON-RPC error indicating that method parameters are invalid or missing required fields.
InvalidRequestError	JSON-RPC error indicating that the request payload is not a valid JSON-RPC Request object.
JSONParseError	JSON-RPC error indicating that the server received invalid JSON that could not be parsed.
Legacy_0_3_AgentInterface	A legacy (v0.3) representation of an agent interface, using the v0.3 field names (transport and url) for backward compatibility with older clients.
ListTaskPushNotificationConfigsParams	Parameters for listing all push notification configurations for a task.
ListTaskPushNotificationConfigsParams.Builder	Builder for constructing instances.
ListTaskPushNotificationConfigsResult	Result of listing push notification configurations for a task with pagination support.
ListTasksParams	Parameters for listing tasks with optional filtering and pagination.
ListTasksParams.Builder	Builder for constructing instances.
Message	Represents a single message in the conversation between a user and an agent in the A2A Protocol.
Message.Builder	Builder for constructing Message instances with fluent API.
Message.Role	Defines the role of the message sender in the conversation.
MessageSendConfiguration	Configuration options for message/send and message/stream requests.
MessageSendConfiguration.Builder	Builder for constructing MessageSendConfiguration instances.
MessageSendParams	Parameters for sending a message to an agent in the A2A Protocol.
MessageSendParams.Builder	Builder for constructing MessageSendParams instances.
MethodNotFoundError	JSON-RPC error indicating that the requested method does not exist or is not available.
MutualTLSSecurityScheme	Mutual TLS (mTLS) security scheme for agent authentication.
OAuth2SecurityScheme	OAuth 2.0 security scheme for agent authentication.
OAuth2SecurityScheme.Builder	Builder for constructing immutable OAuth2SecurityScheme instances.
OAuthFlows	Configuration for supported OAuth 2.0 authorization flows.
OAuthFlows.Builder	Builder for constructing OAuthFlows instances.
OpenIdConnectSecurityScheme	OpenID Connect security scheme for agent authentication.
OpenIdConnectSecurityScheme.Builder	Builder for constructing immutable OpenIdConnectSecurityScheme instances.
Part<T>	Base interface for content parts within Messages and Artifacts.
PushNotificationNotSupportedError	A2A Protocol error indicating that the agent does not support push notifications.
SecurityRequirement	Represents a security requirement in the A2A Protocol.
SecurityRequirement.Builder	Builder for constructing immutable SecurityRequirement instances.
SecurityScheme	Base interface for security schemes used to authenticate access to agent endpoints.
StreamingEventKind	Sealed interface for events that can be emitted during streaming A2A Protocol operations.
Task	Represents a single, stateful operation or conversation between a client and an agent in the A2A Protocol.
Task.Builder	Builder for constructing immutable Task instances.
TaskArtifactUpdateEvent	Event notifying that a task artifact has been created, modified, or appended to.
TaskArtifactUpdateEvent.Builder	Builder for constructing TaskArtifactUpdateEvent instances.
TaskIdParams	Parameters containing a task identifier for task-related operations.
TaskIdParams.Builder	Builder for constructing instances.
TaskNotCancelableError	A2A Protocol error indicating that a task cannot be canceled in its current state.
TaskNotFoundError	A2A Protocol error indicating that the requested task ID does not exist.
TaskPushNotificationConfig	Push notification configuration associated with a specific task.
TaskPushNotificationConfig.Builder	Builder for constructing TaskPushNotificationConfig instances.
TaskQueryParams	Defines parameters for querying a task, with an option to limit history length.
TaskQueryParams.Builder	Builder for constructing instances.
TaskState	Defines the lifecycle states of a Task in the A2A Protocol.
TaskStatus	Represents the status of a task at a specific point in time in the A2A Protocol.
TaskStatusUpdateEvent	An event sent by the agent to notify the client of a change in a task's status.
TaskStatusUpdateEvent.Builder	Builder for constructing TaskStatusUpdateEvent instances.
TextPart	Represents a plain text content part within a Message or Artifact.
TransportProtocol	Enumeration of supported transport protocols for A2A Protocol communication.
UnsupportedOperationError	A2A Protocol error indicating that the requested operation is not supported by the agent.
UpdateEvent	Sealed interface for incremental update events during task execution.
VersionNotSupportedError	A2A Protocol error indicating that the A2A protocol version specified in the request is not supported by the agent.