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 org.slf4j.LoggerFactory
23 import reactor.core.publisher.Mono
24 import reactor.core.publisher.toMono
25 import reactor.ipc.netty.http.client.HttpClient
26 import java.nio.charset.Charset
29 * @author Jakub Dudycz <jakub.dudycz@nokia.com>
32 open class HttpAdapter(private val httpClient: HttpClient) {
34 private val logger = LoggerFactory.getLogger(HttpAdapter::class.java)
36 open fun get(url: String, queryParams: Map<String, Any> = emptyMap()): Mono<String> = httpClient
37 .get(url + createQueryString(queryParams))
39 logger.error("Failed to get resource on path: $url (${it.localizedMessage})")
40 logger.debug("Nested exception:", it)
42 .flatMap { it.receiveContent().toMono() }
43 .map { it.content().toString(Charset.defaultCharset()) }
46 private fun createQueryString(params: Map<String, Any>): String {
50 val builder = StringBuilder("?")
51 params.forEach { (key, value) ->
60 return builder.removeSuffix("&").toString()