1 files changed, 101 insertions, 0 deletions
diff --git a/sources/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/impl/adapters/DcaeAppApiServer.kt b/sources/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/impl/adapters/DcaeAppApiServer.kt
new file mode 100644
index 00000000..1eca9317
--- /dev/null
+++ b/sources/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/impl/adapters/DcaeAppApiServer.kt
@@ -0,0 +1,101 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 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.simulators.dcaeapp.impl.adapters
+
+import arrow.effects.IO
+import org.onap.dcae.collectors.veshv.simulators.dcaeapp.impl.DcaeAppSimulator
+import org.onap.dcae.collectors.veshv.utils.http.HttpConstants
+import org.onap.dcae.collectors.veshv.utils.http.HttpStatus
+import org.onap.dcae.collectors.veshv.utils.http.Responses
+import org.onap.dcae.collectors.veshv.utils.http.sendAndHandleErrors
+import org.onap.dcae.collectors.veshv.utils.http.sendOrError
+import ratpack.handling.Chain
+import ratpack.server.RatpackServer
+import ratpack.server.ServerConfig
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since May 2018
+ */
+class DcaeAppApiServer(private val simulator: DcaeAppSimulator) {
+    private val responseValid by lazy {
+        Responses.statusResponse(
+                name = "valid",
+                message = "validation succeeded"
+        )
+    }
+
+    private val responseInvalid by lazy {
+        Responses.statusResponse(
+                name = "invalid",
+                message = "validation failed",
+                httpStatus = HttpStatus.BAD_REQUEST
+        )
+    }
+
+
+    fun start(port: Int, kafkaTopics: Set<String>): IO<RatpackServer> =
+            simulator.listenToTopics(kafkaTopics).map {
+                RatpackServer.start { server ->
+                    server.serverConfig(ServerConfig.embedded().port(port))
+                            .handlers(::setupHandlers)
+                }
+            }
+
+    private fun setupHandlers(chain: Chain) {
+        chain
+                .put("configuration/topics") { ctx ->
+                    ctx.request.body.then { body ->
+                        val operation = simulator.listenToTopics(body.text)
+                        ctx.response.sendOrError(operation)
+                    }
+
+                }
+                .delete("messages") { ctx ->
+                    ctx.response.contentType(CONTENT_TEXT)
+                    ctx.response.sendOrError(simulator.resetState())
+                }
+                .get("messages/all/count") { ctx ->
+                    simulator.state().fold(
+                            { ctx.response.status(HttpConstants.STATUS_NOT_FOUND) },
+                            {
+                                ctx.response
+                                        .contentType(CONTENT_TEXT)
+                                        .send(it.messagesCount.toString())
+                            })
+                }
+                .post("messages/all/validate") { ctx ->
+                    ctx.request.body.then { body ->
+                        val response = simulator.validate(body.inputStream)
+                                .map { isValid ->
+                                    if (isValid) responseValid else responseInvalid
+                                }
+                        ctx.response.sendAndHandleErrors(response)
+                    }
+                }
+                .get("healthcheck") { ctx ->
+                    ctx.response.status(HttpConstants.STATUS_OK).send()
+                }
+    }
+
+    companion object {
+        private const val CONTENT_TEXT = "text/plain"
+    }
+}