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.slf4j.LoggerFactory
24 import reactor.core.publisher.Mono
25 import reactor.netty.http.client.HttpClient
28 * @author Jakub Dudycz <jakub.dudycz@nokia.com>
31 open class HttpAdapter(private val httpClient: HttpClient) {
33 private val logger = LoggerFactory.getLogger(HttpAdapter::class.java)
35 open fun get(url: String, queryParams: Map<String, Any> = emptyMap()): Mono<String> = httpClient
37 .uri(url + createQueryString(queryParams))
38 .responseSingle { response, content ->
39 if (response.status().codeClass() == HttpStatusClass.SUCCESS)
42 val errorMessage = "$url ${response.status().code()} ${response.status().reasonPhrase()}"
43 Mono.error(IllegalStateException(errorMessage))
47 logger.error("Failed to get resource on path: $url (${it.localizedMessage})")
48 logger.debug("Nested exception:", it)
51 private fun createQueryString(params: Map<String, Any>): String {
55 val builder = StringBuilder("?")
56 params.forEach { (key, value) ->
65 return builder.removeSuffix("&").toString()