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===================================
21 package org.oransc.policyagent.clients;
23 import java.lang.invoke.MethodHandles;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
27 import org.springframework.http.HttpStatus;
28 import org.springframework.http.MediaType;
29 import org.springframework.web.reactive.function.client.WebClient;
30 import reactor.core.publisher.Mono;
32 public class AsyncRestClient {
33 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
34 private final WebClient client;
35 private final String baseUrl;
37 public class AsyncRestClientException extends Exception {
39 private static final long serialVersionUID = 1L;
41 public AsyncRestClientException(String message) {
46 public AsyncRestClient(String baseUrl) {
47 this.client = WebClient.create(baseUrl);
48 this.baseUrl = baseUrl;
51 public Mono<String> post(String uri, String body) {
52 logger.debug("POST uri = '{}{}''", baseUrl, uri);
53 return client.post() //
55 .contentType(MediaType.APPLICATION_JSON) //
58 .onStatus(HttpStatus::isError,
59 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
60 .bodyToMono(String.class);
63 public Mono<String> postWithAuthHeader(String uri, String body, String username, String password) {
64 logger.debug("POST (auth) uri = '{}{}''", baseUrl, uri);
65 return client.post() //
67 .headers(headers -> headers.setBasicAuth(username, password)) //
68 .contentType(MediaType.APPLICATION_JSON) //
71 .onStatus(HttpStatus::isError,
72 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
73 .bodyToMono(String.class);
76 public Mono<String> put(String uri, String body) {
77 logger.debug("PUT uri = '{}{}''", baseUrl, uri);
78 return client.put() //
80 .contentType(MediaType.APPLICATION_JSON) //
83 .onStatus(HttpStatus::isError,
84 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
85 .bodyToMono(String.class);
88 public Mono<String> get(String uri) {
89 logger.debug("GET uri = '{}{}''", baseUrl, uri);
90 return client.get() //
93 .onStatus(HttpStatus::isError,
94 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
95 .bodyToMono(String.class);
98 public Mono<String> delete(String uri) {
99 logger.debug("DELETE uri = '{}{}''", baseUrl, uri);
100 return client.delete() //
103 .onStatus(HttpStatus::isError,
104 response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
105 .bodyToMono(String.class);