DSC v4.0.0 - Contract Negotiation

The API responses have been modified in order to simplify automated interactions. The connector supports contract negotiation according to the IDS message sequence.

In CHANGELOG.md:

Added

• Add public endpoint for self-description without resource catalog and public key.
• Add example controller class for example endpoints.
• Add exception classes.
• Create UUIDUtils for uuid handling.
• Add Controller endpoints for contract negotiation.
• Contract method in request controller.
• Add http tracing and improved logging.
• Add class for example resources.
• Add custom profiles.
• Add negotiation service.

Changed

• Remove attribute system from BackendSource and add attribute name to ResourceRepresentation.
• Move attribute sourceType from ResourceRepresentation as type to BackendSource.
• Remove requested resource list from description response.
• Rename broker communication endpoints.
• Improve exception handling.
• Migrate ResourceRepresentation to map.
• Change object handling and model classes.
• Improve message handler and sending request messages: de.fraunhofer.isst.dataspaceconnector.services.messages.
• Change package structure.
• Add abstract class to resource service implementations.
• Adapt policy handler.
• Improve pom.xml and dependencies.

Fixed

• Update connector of configuration container before sending a broker message.
• Enforce access counter usage by moving it to an isolated method.