io.udash.rest.openapi.OpenApiServlet.scala Maven / Gradle / Ivy
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package io.udash
package rest.openapi
import com.avsystem.commons.OptArg
import com.avsystem.commons.annotation.explicitGenerics
import com.avsystem.commons.serialization.json.JsonStringOutput
import javax.servlet.http.{HttpServlet, HttpServletRequest, HttpServletResponse}
object OpenApiServlet {
@explicitGenerics def apply[RestApi: OpenApiMetadata](
info: Info,
components: Components = Components(),
servers: List[Server] = Nil,
security: List[SecurityRequirement] = Nil,
tags: List[Tag] = Nil,
externalDocs: OptArg[ExternalDocumentation] = OptArg.Empty
): OpenApiServlet = new OpenApiServlet {
protected def render(request: HttpServletRequest): OpenApi =
implicitly[OpenApiMetadata[RestApi]].openapi(info, components, servers, security, tags, externalDocs)
}
}
abstract class OpenApiServlet extends HttpServlet {
protected def render(request: HttpServletRequest): OpenApi
override def doGet(req: HttpServletRequest, resp: HttpServletResponse): Unit = {
resp.setContentType("application/json;charset=utf-8")
resp.getWriter.write(JsonStringOutput.writePretty(render(req)))
}
}