+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(200)
+ .setHeader("Content-Type", "text/plain")
+ .setHeader("Foo", "Bar")
+ .setBody("Hello Spring!"));
+
+ result = webClient.get()
+ .uri("/greeting?name=Spring")
+ .retrieve()
+ .onStatus(status -> status.is4xxClientError(), response -> GraphApiException.create(response))
+ .bodyToMono(String.class);
+
+ StepVerifier.create(result)
+ .expectNext("Hello Spring!")
+ .expectComplete()
+ .verify(Duration.ofSeconds(3));
+ }
+
+ public static ExchangeFilterFunction errorHandlingFilter()
+ {
+ return ExchangeFilterFunction.ofResponseProcessor(clientResponse ->
+ {
+ if (clientResponse.statusCode() != null && (clientResponse.statusCode()
+ .is5xxServerError() || clientResponse.statusCode().is4xxClientError()))
+ {
+ return clientResponse.bodyToMono(String.class)
+ .flatMap(errorBody ->
+ {
+ return Mono.error(new Exception(errorBody));
+ });
+ }
+ else
+ {
+ return Mono.just(clientResponse);
+ }
+ });