skinny.micro.context.SkinnyContext.scala Maven / Gradle / Ivy

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package skinny.micro.context

import javax.servlet.ServletContext
import javax.servlet.http.{ HttpServletRequest, HttpServletResponse }

import skinny.micro.UnstableAccessValidation
import skinny.micro.implicits.{ CookiesImplicits, ServletApiImplicits, SessionImplicits }
import skinny.micro.request.StableHttpServletRequest

/**
 * SkinnyMicro's context for each request.
 */
trait SkinnyContext
    extends ServletApiImplicits
    with SessionImplicits
    with CookiesImplicits {

  val request: HttpServletRequest

  val response: HttpServletResponse

  val servletContext: ServletContext

  val unstableAccessValidation: UnstableAccessValidation

  def surelyStable(validation: UnstableAccessValidation): SkinnyContext = {
    SkinnyContext.surelyStable(this, validation)
  }

}

object SkinnyContext {

  private class StableSkinnyContext(
      implicit
      val request: HttpServletRequest,
      val response: HttpServletResponse,
      val servletContext: ServletContext,
      val unstableAccessValidation: UnstableAccessValidation
  ) extends SkinnyContext {
  }

  def surelyStable(ctx: SkinnyContext, validation: UnstableAccessValidation): SkinnyContext = {
    new StableSkinnyContext()(StableHttpServletRequest(ctx.request, validation), ctx.response, ctx.servletContext, validation)
  }

  def build(ctx: ServletContext, req: HttpServletRequest, resp: HttpServletResponse, validation: UnstableAccessValidation): SkinnyContext = {
    new StableSkinnyContext()(StableHttpServletRequest(req, validation), resp, ctx, validation)
  }

  def buildWithRequest(req: HttpServletRequest, validation: UnstableAccessValidation): SkinnyContext = {
    new StableSkinnyContext()(StableHttpServletRequest(req, validation), null, null, validation)
  }

  def buildWithoutResponse(req: HttpServletRequest, ctx: ServletContext, validation: UnstableAccessValidation): SkinnyContext = {
    new StableSkinnyContext()(StableHttpServletRequest(req, validation), null, ctx, validation)
  }

}