2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.onap.dcae.collectors.veshv.impl.adapters
22 import io.netty.handler.codec.http.HttpStatusClass
23 import org.onap.dcae.collectors.veshv.utils.logging.Logger
24 import org.onap.dcae.collectors.veshv.utils.logging.OnapMdc
25 import reactor.core.publisher.Mono
26 import reactor.netty.http.client.HttpClient
30 * @author Jakub Dudycz <jakub.dudycz@nokia.com>
33 open class HttpAdapter(private val httpClient: HttpClient) {
35 open fun get(url: String, invocationId: UUID, queryParams: Map<String, Any> = emptyMap()): Mono<String> =
37 .headers { it[INVOCATION_ID_HEADER] = invocationId.toString() }
39 .uri(url + createQueryString(queryParams))
40 .responseSingle { response, content ->
41 if (response.status().codeClass() == HttpStatusClass.SUCCESS)
44 val errorMessage = "$url ${response.status().code()} ${response.status().reasonPhrase()}"
45 Mono.error(IllegalStateException(errorMessage))
49 logger.error { "Failed to get resource on path: $url (${it.localizedMessage})" }
50 logger.withDebug { log("Nested exception:", it) }
53 private fun createQueryString(params: Map<String, Any>): String {
57 val builder = StringBuilder("?")
58 params.forEach { (key, value) ->
67 return builder.removeSuffix("&").toString()
71 private val logger = Logger(HttpAdapter::class)
72 const val INVOCATION_ID_HEADER = "X-${OnapMdc.INVOCATION_ID}"