http (feature): Add interface for Scala Native (#3724)

airframe-http/.native/src/main/scala/wvlet/airframe/http/Compat.scala

@@ -0,0 +1,32 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package wvlet.airframe.http
+
+import wvlet.airframe.http.client.HttpClientBackend
+
+import scala.concurrent.ExecutionContext
+
+/**
+  * Scala Native specific implementation
+  */
+private object Compat extends CompatApi {
+  override def urlEncode(s: String): String                = ???
+  override def defaultHttpClientBackend: HttpClientBackend = ???
+
+  override def defaultExecutionContext: ExecutionContext                      = ???
+  override def defaultHttpClientLoggerFactory: HttpLoggerConfig => HttpLogger = ???
+  override def currentRPCContext: RPCContext                                  = ???
+  override def attachRPCContext(context: RPCContext): RPCContext              = ???
+  override def detachRPCContext(previous: RPCContext): Unit                   = ???
+}

airframe-http/src/main/scala/wvlet/airframe/http/CompatApi.scala

@@ -23,7 +23,7 @@ import scala.concurrent.ExecutionContext
 private[http] trait CompatApi {
   def urlEncode(s: String): String
 
-  def hostServerAddress: ServerAddress
+  def hostServerAddress: ServerAddress = ServerAddress.empty
   def defaultHttpClientBackend: HttpClientBackend
   def defaultExecutionContext: ExecutionContext
   def defaultHttpClientLoggerFactory: HttpLoggerConfig => HttpLogger

airframe-http/src/test/scala/wvlet/airframe/http/client/HttpClientFilterTest.scala

@@ -24,6 +24,10 @@ import scala.concurrent.TimeoutException
 
 object HttpClientFilterTest extends AirSpec {
 
+  if (isScalaNative) {
+    pending(s"Http client is not supported in Scala Native yet")
+  }
+
   private def newDummyClient(config: HttpClientConfig, f: PartialFunction[Request, Response]): AsyncClient =
     new AsyncClientImpl(new DummyHttpChannel(f), config)
 

build.sbt

@@ -280,7 +280,8 @@ lazy val nativeProjects: Seq[ProjectReference] = Seq(
   ulid.native,
   rx.native,
   control.native,
-  codec.native
+  codec.native,
+  http.native
 )
 
 // Integration test projects
@@ -767,7 +768,7 @@ lazy val rx =
     .dependsOn(log)
 
 lazy val http =
-  crossProject(JVMPlatform, JSPlatform)
+  crossProject(JVMPlatform, JSPlatform, NativePlatform)
     .crossType(CrossType.Pure)
     .enablePlugins(BuildInfoPlugin)
     .in(file("airframe-http"))
@@ -797,6 +798,9 @@ lazy val http =
         "org.scala-js" %%% "scalajs-dom" % SCALAJS_DOM_VERSION
       )
     )
+    .nativeSettings(
+      nativeBuildSettings
+    )
     .dependsOn(rx, control, surface, json, codec, di)
 
 lazy val httpCodeGen =