Use Netty HttpServer in XnfApiServer

Change-Id: I86e06bd540c961098ee11af99735a5b35ce760fd
Issue-ID: DCAEGEN2-1325
Signed-off-by: Izabela Zawadzka <izabela.zawadzka@nokia.com>

3 files changed, 8 insertions, 74 deletions

diff --git a/sources/hv-collector-utils/pom.xml b/sources/hv-collector-utils/pom.xml
index feba8123..e85b8ee4 100644
--- a/sources/hv-collector-utils/pom.xml
+++ b/sources/hv-collector-utils/pom.xml
@@ -3,7 +3,7 @@
   ~ ============LICENSE_START=======================================================
   ~ dcaegen2-collectors-veshv
   ~ ================================================================================
-  ~ Copyright (C) 2018 NOKIA
+  ~ Copyright (C) 2018-2019 NOKIA
   ~ ================================================================================
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.
@@ -85,11 +85,6 @@
             <artifactId>kotlinx-coroutines-core</artifactId>
         </dependency>
         <dependency>
-            <groupId>io.ratpack</groupId>
-            <artifactId>ratpack-core</artifactId>
-            <optional>true</optional>
-        </dependency>
-        <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
             <optional>true</optional>
diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/http/netty.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/http/netty.kt
index 33e65e4d..cf338a70 100644
--- a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/http/netty.kt
+++ b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/http/netty.kt
@@ -19,6 +19,7 @@
  */
 package org.onap.dcae.collectors.veshv.utils.http
 
+import arrow.core.Either
 import arrow.effects.IO
 import org.onap.dcae.collectors.veshv.utils.logging.Logger
 import reactor.core.publisher.Mono
@@ -52,6 +53,12 @@ fun HttpServerResponse.sendAndHandleErrors(response: IO<Response>): NettyOutboun
                 }
         )
 
+fun <A> HttpServerResponse.sendEitherErrorOrResponse(response: Either<A, Response>): NettyOutbound =
+        when (response) {
+            is Either.Left -> sendResponse(errorResponse(response.a.toString()))
+            is Either.Right -> sendAndHandleErrors(IO.just(response.b))
+        }
+
 private fun HttpServerResponse.sendResponse(response: Response): NettyOutbound {
     val respWithStatus = status(response.status.number)
     val responseContent = response.content
diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/http/ratpack.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/http/ratpack.kt
deleted file mode 100644
index 529804a3..00000000
--- a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/http/ratpack.kt
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * dcaegen2-collectors-veshv
- * ================================================================================
- * Copyright (C) 2018-2019 NOKIA
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-package org.onap.dcae.collectors.veshv.utils.http
-
-import arrow.core.Either
-import arrow.effects.IO
-import org.onap.dcae.collectors.veshv.utils.logging.Logger
-import javax.json.Json
-
-/**
- * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
- * @since August 2018
- */
-
-private val logger = Logger("org.onap.dcae.collectors.veshv.utils.arrow.ratpack")
-
-
-fun <A> ratpack.http.Response.sendEitherErrorOrResponse(response: Either<A, Response>) {
-    when (response) {
-        is Either.Left -> send(errorResponse(response.a.toString()))
-        is Either.Right -> sendAndHandleErrors(IO.just(response.b))
-    }
-}
-
-fun ratpack.http.Response.sendAndHandleErrors(response: IO<Response>) {
-    response.attempt().unsafeRunSync().fold(
-            { err ->
-                logger.withWarn { log("Error occurred. Sending .", err) }
-                val message = err.message
-                send(errorResponse(message))
-            },
-            ::send
-    )
-}
-
-private fun errorResponse(message: String?): Response {
-    return Response(
-            HttpStatus.INTERNAL_SERVER_ERROR,
-            Content(
-                    ContentType.JSON,
-                    Json.createObjectBuilder().add("error", message).build()))
-}
-
-fun ratpack.http.Response.send(response: Response) {
-    val respWithStatus = status(response.status.number)
-    response.content.apply {
-        respWithStatus.send(
-                type.value,
-                serializer.run { value.show() })
-    }
-}