- return client.get() //
- .uri(uri) //
- .retrieve() //
- .onStatus(HttpStatus::isError,
- response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
- .bodyToMono(String.class);
- }
-
- public Mono<Void> delete(String uri) {
- return client.delete() //
- .uri(uri) //
- .retrieve() //
- .onStatus(HttpStatus::isError,
- response -> Mono.error(new AsyncRestClientException(response.statusCode().toString()))) //
- .bodyToMono(Void.class);
+ return getForEntity(uri) //
+ .flatMap(this::toBody);
+ }
+
+ public Mono<ResponseEntity<String>> deleteForEntity(String uri) {
+ Object traceTag = createTraceTag();
+ logger.debug("{} DELETE uri = '{}{}''", traceTag, baseUrl, uri);
+ return getWebClient() //
+ .flatMap(client -> {
+ RequestHeadersSpec<?> request = client.delete().uri(uri);
+ return retrieve(traceTag, request);
+ });
+ }
+
+ public Mono<String> delete(String uri) {
+ return deleteForEntity(uri) //
+ .flatMap(this::toBody);
+ }
+
+ private Mono<ResponseEntity<String>> retrieve(Object traceTag, RequestHeadersSpec<?> request) {
+ return request.retrieve() //
+ .toEntity(String.class) //
+ .doOnNext(entity -> logger.trace("{} Received: {}", traceTag, entity.getBody()))
+ .doOnError(throwable -> onHttpError(traceTag, throwable));
+ }
+
+ private static Object createTraceTag() {
+ return sequenceNumber.incrementAndGet();
+ }
+
+ private void onHttpError(Object traceTag, Throwable t) {
+ if (t instanceof WebClientResponseException) {
+ WebClientResponseException exception = (WebClientResponseException) t;
+ logger.debug("{} HTTP error status = '{}', body '{}'", traceTag, exception.getStatusCode(),
+ exception.getResponseBodyAsString());
+ } else {
+ logger.debug("{} HTTP error: {}", traceTag, t.getMessage());
+ }
+ }
+
+ private Mono<String> toBody(ResponseEntity<String> entity) {
+ if (entity.getBody() == null) {
+ return Mono.just("");
+ } else {
+ return Mono.just(entity.getBody());
+ }
+ }
+
+ private static SslContext createSslContext() throws SSLException {
+ return SslContextBuilder.forClient() //
+ .trustManager(InsecureTrustManagerFactory.INSTANCE) //
+ .build();
+ }
+
+ private static WebClient createWebClient(String baseUrl, SslContext sslContext) {
+ TcpClient tcpClient = TcpClient.create() //
+ .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10_000) //
+ .secure(c -> c.sslContext(sslContext)) //
+ .doOnConnected(connection -> {
+ connection.addHandlerLast(new ReadTimeoutHandler(30));
+ connection.addHandlerLast(new WriteTimeoutHandler(30));
+ });
+ HttpClient httpClient = HttpClient.from(tcpClient);
+ ReactorClientHttpConnector connector = new ReactorClientHttpConnector(httpClient);
+
+ return WebClient.builder() //
+ .clientConnector(connector) //
+ .baseUrl(baseUrl) //
+ .build();