ETagProvider

Built‑in strategies for generating io.ktor.http.HttpHeaders.ETag for static content.

Note: for this functionality to work, you need to install the ConditionalHeaders plugin.

Usage:

install(ConditionalHeaders)

routing {
  staticFiles("/assets", File("assets")) {
    etag(ETagProvider.StrongSha256)
  }
}

Types

abstract fun provide(resource: Any): EntityTagVersion?

Provides an EntityTagVersion for the given resource or null if it cannot be provided.