2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 Nordix Foundation
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.oransc.policyagent.clients;
22 import java.lang.invoke.MethodHandles;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
26 import org.springframework.http.HttpStatus;
27 import org.springframework.http.MediaType;
28 import org.springframework.web.reactive.function.client.WebClient;
29 import reactor.core.publisher.Mono;
31 public class AsyncRestClient {
32 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
33 private final WebClient client;
35 private static class AsyncRestClientException extends Exception {
37 private static final long serialVersionUID = 1L;
39 public AsyncRestClientException(String message) {
44 public AsyncRestClient(String baseUrl) {
45 this.client = WebClient.create(baseUrl);
48 public Mono<String> post(String uri, String body) {
49 return client.post() //
51 .contentType(MediaType.APPLICATION_JSON) //
54 .onStatus(HttpStatus::isError,
55 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
56 .bodyToMono(String.class);
59 public Mono<String> put(String uri, String body) {
60 logger.debug("PUT uri = '{}''", uri);
61 return client.put() //
63 .contentType(MediaType.APPLICATION_JSON) //
66 .onStatus(HttpStatus::isError,
67 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
68 .bodyToMono(String.class);
71 public Mono<String> get(String uri) {
72 logger.debug("GET uri = '{}''", uri);
73 return client.get() //
76 .onStatus(HttpStatus::isError,
77 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
78 .bodyToMono(String.class);
81 public Mono<String> delete(String uri) {
82 logger.debug("DELETE uri = '{}''", uri);
83 return client.delete() //
86 .onStatus(HttpStatus::isError,
87 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
88 .bodyToMono(String.class);