core library

Classes

AceCredentials: Credentials used for the AceSecurityScheme.
AceSecurityScheme: Experimental ACE Security Scheme.
Action: Class representing an Action Affordance in a Thing Description.
AdditionalExpectedResponse: Communication metadata describing the expected response message for the primary response.
ApiKeyCredentials: Credentials used for the ApiKeySecurityScheme.
ApiKeySecurityScheme: API key authentication security configuration identified by the Vocabulary Term apikey.
ArrayValue: A DataSchemaValue object wrapping multiple other DataSchemaValues.
AugmentedForm: A Form augmented with information from its associated _thingDescription and _interactionAffordance.
AuthServerRequestCreationHint: This is sent by an RS as a response to an Unauthorized Resource Request Message to help the sender of the Unauthorized Resource Request Message acquire a valid access token.
AutoSecurityScheme: An automatic security configuration identified by the vocabulary term auto.
BasicCredentials: Credentials used for the BasicSecurityScheme.
BasicSecurityScheme: Basic Authentication security configuration identified by the Vocabulary Term basic.
BearerCredentials: Credentials used for the BearerSecurityScheme.
BearerSecurityScheme: Bearer Token security configuration identified by the Vocabulary Term bearer.
BooleanValue: A DataSchemaValue object that wraps a bool.
ComboSecurityScheme: A combination of other security schemes identified by the Vocabulary Term combo (i.e., "scheme": "combo").
ConsumedThing: Represents a client API to operate a Thing. Belongs to the WoT Consumer conformance class.
Content: This class contains binary input or output data and indicates the media type this data is encoded in.
ContentCodec: Interface for providing a codec for a specific media type.
ContentSerdes: Class providing serializing and deserializing capabilities.
Context: Represents the JSON-LD @context of a Thing Description or Thing Model.
ContextEntry: Base class for @context entries.
CoreLinkFormatConfiguration: Configures discovery using the CoRE link format (RFC 6690).
CoreResourceDirectoryConfiguration: A configuration for performing discovery using a CoRE Resource Directory (RFC 9176).
Credentials: Base class used for defining credentials for Thing Interactions.
DataSchema: Metadata that describes the data format used. It can be used for validation.
DataSchemaValue<T>: Value corresponding to a WoT DataSchema as specified in section 7.1 of the WoT Scripting API specification.
DataSchemaValueInput: InteractionInput variant that wraps a DataSchemaValue.
DigestCredentials: Credentials used for the DigestSecurityScheme.
DigestSecurityScheme: Digest Access Authentication security configuration identified by the Vocabulary Term digest.
DirectConfiguration: A configuration used for direct discovery, i.e. the direct retrieval of a Thing Description from a uri.
DiscoveryConfiguration: A configuration that is used by the WoT.discover() method when registered with the underlying Servient.
DiscoveryContent: Content specific for discovery.
DnsSdDConfiguration: A DiscoveryConfiguration for performing DNS-based Service Discovery (RFC 6763) to obtain Thing Descriptions.
Event: Class representing an Event Affordance in a Thing Description.
ExpectedResponse: Communication metadata describing the expected response message for the primary response.
ExploreDirectoryConfiguration: A configuration that is used for retrieving Thing Descriptions from a Thing Description Directory (TDD).
ExposedThing: The ExposedThing interface is the server API to operate the Thing that allows defining request handlers, Property, Action, and Event interactions.
Form: Contains the information needed for performing interactions with a Thing.
IntegerValue: A DataSchemaValue object that wraps an int.
InteractionAffordance: Base class for Interaction Affordances (Properties, Actions, and Events).
InteractionInput: The (optional) input for an interaction.
InteractionOutput: Exposes the data obtained by Thing interactions.
Link: Represents an element of the links array in a Thing Description.
MapContextEntry: Super class of @context entries that are key-value pairs.
MqttDiscoveryConfiguration: Experimental DiscoveryConfiguration that is used to perform discovery with the MQTT protocol.
NoSecurityScheme: A security configuration corresponding to identified by the Vocabulary Term nosec.
NullValue: A DataSchemaValue object that wraps a null value.
NumberValue: A DataSchemaValue object that wraps a num.
OAuth2Credentials: Credentials used for the OAuth2SecurityScheme.
OAuth2SecurityScheme: OAuth 2.0 authentication security configuration for systems conformant with RFC 6749, RFC 8252 and (for the device flow) RFC 8628, identified by the Vocabulary Term oauth2.
ObjectValue: A DataSchemaValue object wrapping a map of DataSchemaValues.
Property: Class representing a Property Affordance in a Thing Description.
ProtocolClient: Base class for a Protocol Client.
ProtocolClientFactory: Base class for a factory that produces ProtocolClients.
ProtocolServer: Base class for a Protocol Server.
ProtocolSubscription: Base class for implementations of the Subscription interface.
PskCredentials: Credentials used for the PskSecurityScheme.
PskSecurityScheme: Pre-shared key authentication security configuration identified by the Vocabulary Term psk.
SecurityScheme: Class that contains metadata describing the configuration of a security mechanism.
Servient: A software stack that implements the WoT building blocks.
SingleContextEntry: Represents a @context entry that contains a uri as its value and has no key defined.
StreamInput: InteractionInput variant that wraps a byteStream.
StringMapContextEntry: Key-value @context entry that contains a non-URI string as its value.
StringValue: A DataSchemaValue object that wraps a String.
Subscription: Represents a subscription to Property change and Event interactions.
ThingDescription: Represents a WoT Thing Description.
ThingDiscovery: Provides the properties and methods controlling the discovery process.
ThingDiscoveryProcess: Provides the properties and methods controlling the discovery process, and returning the results.
ThingFilter: Contains the constraints for discovering Things as key-value pairs.
ThingModel: Class representing a WoT Thing Model.
TwoStepConfiguration: Base class for configuring discovery mechanisms that involve a two-step approach.
UriMapContextEntry: Key-value @context entry that contains a uri as its value.
WoT: Interface for a WoT runtime.

Enums

DirectoryPayloadFormat: Enumeration for specifying the value of the format query parameter when using the exploreDirectory discovery method.
DiscoveryType: Used to indicate whether the discovery mechanism will be used to discover Thing Descriptions of Things or Thing Description Directories.
OperationType: Enumeration for the possible WoT operation types.
ProtocolType: The protocol type that is used for DNS-based service discovery.
SubscriptionType: Indicates the type of the subscription.

Mixins

CoreLinkFormatDiscoverer: Interfaces for clients that support discovery via the CoRE Link Format.
DirectDiscoverer: Interface for a client that is able to discoverDirectly, i.e. to retrieve a Thing Description from a given Uri via unicast.
MqttDiscoverer: Interface for performing experimental discovery using the MQTT protocol.
MulticastDiscoverer: Interface for a client that is able to discoverViaMulticast, i.e. to retrieve a Stream of Thing Descriptions from a given Uri via multicast.

Extensions

ArrayInteractionInputExtension on List<Object?>: Extension for simplifying the creation of DataSchemaValueInputs from array values.
BooleanInteractionInputExtension on bool: Extension for simplifying the creation of DataSchemaValueInputs from boolean values.
IntegerInteractionInputExtension on int: Extension for simplifying the creation of DataSchemaValueInputs from int values.
InternetAddressMethodExtension on Uri: Extension that makes it easier to handle Uris which potentially contain InternetAddresses.
NullInteractionInputExtension on Null: Extension for simplifying the creation of DataSchemaValueInputs from null values.
NumberInteractionInputExtension on num: Extension for simplifying the creation of DataSchemaValueInputs from num values.
ObjectInteractionInputExtension on Map<String, Object?>: Extension for simplifying the creation of DataSchemaValueInputs from object values.
StringInteractionInputExtension on String: Extension for simplifying the creation of DataSchemaValueInputs from String values.
ToThingDescription on Map<String, dynamic>: Extension for generating ThingDescriptions from Maps more easily.

Constants

aceSecuritySchemeName → const String: Indicates the scheme value for identifying AceSecuritySchemes.
apiKeySecuritySchemeName → const String: Indicates the scheme value for identifying ApiKeySecuritySchemes.
autoSecuritySchemeName → const String: Indicates the scheme value for identifying AutoSecuritySchemes.
basicSecuritySchemeName → const String: Indicates the scheme value for identifying BasicSecuritySchemes.
bearerSecuritySchemeName → const String: Indicates the scheme value for identifying BearerSecuritySchemes.
comboSecuritySchemeName → const String: Indicates the scheme value for identifying ComboSecuritySchemes.
defaultMediaType → const String: Defines application/json as the default content type.
digestSecuritySchemeName → const String: Indicates the scheme value for identifying DigestSecuritySchemes.
nosecSecuritySchemeName → const String: Indicates the scheme value for identifying NoSecuritySchemes.
oAuth2SecuritySchemeName → const String: Indicates the scheme value for identifying OAuth2SecuritySchemes.
pskSecuritySchemeName → const String: Indicates the scheme value for identifying PskSecuritySchemes.

Typedefs

AceSecurityCallback = Future<AceCredentials?> Function(Uri uri, Form? form, AuthServerRequestCreationHint? creationHint, AceCredentials? invalidAceCredentials): Function signature for an asynchronous callback for providing client AceCredentials at runtime, based on an optional creationHint given by the Resource Server. This creation hint has to be parsed by the library user.
ActionHandler = Future<void> Function(InteractionOutput params, {Object? data, int? formIndex, Map<String, Object>? uriVariables}): A function that is called when an external request for invoking an Action is received and defines what to do with such requests.
AsyncClientSecurityCallback<T extends Credentials> = Future<T?> Function(Uri uri, AugmentedForm? form, T? invalidCredentials): Function signature for an asynchronous callback for providing client Credentials at runtime.
ClientPskCallback = PskCredentials? Function(Uri uri, Form? form, String? identityHint): Function signature for a synchronous callback for providing client PskCredentials at runtime.
ErrorListener = void Function(Exception data): User provided callback that is given an argument of type Error and is used for conveying critical and non-critical errors from the Protocol Bindings to applications.
EventListenerHandler = Future<InteractionInput> Function(): A function that is called when an associated Event is triggered and provides the data to be sent with the Event to subscribers.
EventSubscriptionHandler = Future<void> Function({Object? data, int? formIndex, Map<String, Object>? uriVariables}): A function that is called when an external request for subscribing to an Event is received and defines what to do with such requests.
ExposedThingInit = Map<String, dynamic>: Dictionary used for the initialization of an exposed Thing.
InteractionListener = void Function(InteractionOutput data): User provided callback that is given an argument of type InteractionOutput and is used for observing Property changes and handling Event notifications.
PropertyReadHandler = Future<InteractionInput> Function({Object? data, int? formIndex, Map<String, Object>? uriVariables}): A function that is called when an external request for reading a Property is received and defines what to do with such requests.
PropertyReadMap = Map<String, InteractionOutput>: Maps multiple InteractionOutputs to property names.
PropertyWriteHandler = Future<void> Function(InteractionOutput value, {Object? data, int? formIndex, Map<String, Object>? uriVariables}): A function that is called when an external request for writing a Property is received and defines what to do with such requests.
PropertyWriteMap = Map<String, InteractionInput>: Maps multiple InteractionInputs to property names.
ServerSecurityCallback = Map<String, Credentials> Function(String id): Function signature for a synchronous callback retrieving server Credentials by Thing id at runtime.

Exceptions / Errors

DartWotException: Base class for custom exceptions defined in dart_wot.
DiscoveryException: Custom Exception that is thrown when the discovery process fails.
NotReadableException: Indicates that an I/O read operation failed.

Classes

Enums

Mixins

Extensions

Constants

Typedefs

Exceptions / Errors

dart_wot package

core library