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Utils

Utility Classes​

The provenAI SDK provides several utility classes to assist with various common tasks, such as handling continuations, serialization, date conversions, and JWT operations. Below is a brief summary of the main utility classes and their functionality:

ContinuationObjectUtils​

A utility class for creating Continuation objects with various configurations:

  • createSuperContinuation(): Creates a Continuation with a wildcard super type.
  • createPlainContinuation(): Creates a plain Continuation without a type parameter.

JsonLiteralSerializer​

A custom serializer for JsonLiteral objects, used to serialize JSON literals into proper string, boolean, or numeric values. Handles exceptions for invalid formats.

KotlinToJavaUtils​

Utility class for converting between Kotlin and Java types:

  • Convert between Instant objects in Java and Kotlin's kotlinx.datetime.Instant.
  • Convert between Kotlin and Gson JSON elements (JsonElement and JsonPrimitive).

SSIJWTUtils​

A utility for extracting Verifiable Credential (VC) tokens from Verifiable Presentation (VP) JWTs. It decodes the VP JWT payload and extracts the VC JWT.

WaltIdServiceInitUtils​

This singleton enum class initializes WaltId services using the minimalInitBlocking() method. It uses a plain continuation created from ContinuationObjectUtils.