xitrum.routing.SerializableRoute.scala Maven / Gradle / Ivy

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package xitrum.routing

import java.io.Serializable
import io.netty.handler.codec.http.HttpMethod
import xitrum.Action

class SerializableRoute(
  // In
  val httpMethod: String, val compiledPattern: Seq[RouteToken],

  // Out
  val actionClass: String, var cacheSecs: Int
) extends Serializable
{
  /** @return A new route with the prefix */
  def addPrefix(prefix: String): SerializableRoute = {
    val prefixTokens = RouteCompiler.compile(prefix)
    val firstToken   = compiledPattern.head

    // Replace "" with prefix, but for DotRouteToken, ".:foo" is OK
    // (its first NonDotRouteToken is empty)
    val newCompiledPattern =
      firstToken match {
        case nonDotRouteToken: NonDotRouteToken =>
          if (nonDotRouteToken.value.isEmpty)
            prefixTokens
          else
            prefixTokens ++ compiledPattern

        case _ =>
          prefixTokens ++ compiledPattern
      }

    new SerializableRoute(httpMethod, newCompiledPattern, actionClass, cacheSecs)
  }

  def toRoute: Route = {
    val cl = Thread.currentThread.getContextClassLoader
    new Route(
      new HttpMethod(httpMethod), compiledPattern,
      cl.loadClass(actionClass).asInstanceOf[Class[Action]], cacheSecs
    )
  }

  override def toString =
    if (cacheSecs == 0)
      s"$httpMethod $compiledPattern -> $actionClass"
    else
      s"$httpMethod $compiledPattern -> $actionClass (${cacheSecs}s)"
}