import org.springframework.http.ResponseEntity;
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
import org.springframework.lang.Nullable;
+import org.springframework.web.reactive.function.client.ExchangeFilterFunction;
import org.springframework.web.reactive.function.client.ExchangeStrategies;
import org.springframework.web.reactive.function.client.WebClient;
import org.springframework.web.reactive.function.client.WebClient.RequestHeadersSpec;
-import org.springframework.web.reactive.function.client.WebClientResponseException;
import reactor.core.publisher.Mono;
import reactor.netty.http.client.HttpClient;
private static final AtomicInteger sequenceNumber = new AtomicInteger();
private final SslContext sslContext;
private final HttpProxyConfig httpProxyConfig;
+ private final SecurityContext securityContext;
- public AsyncRestClient(String baseUrl, @Nullable SslContext sslContext, @Nullable HttpProxyConfig httpProxyConfig) {
+ public AsyncRestClient(String baseUrl, @Nullable SslContext sslContext, @Nullable HttpProxyConfig httpProxyConfig,
+ SecurityContext securityContext) {
this.baseUrl = baseUrl;
this.sslContext = sslContext;
this.httpProxyConfig = httpProxyConfig;
+ this.securityContext = securityContext;
}
public Mono<ResponseEntity<String>> postForEntity(String uri, @Nullable String body) {
- Object traceTag = createTraceTag();
- logger.debug("{} POST uri = '{}{}''", traceTag, baseUrl, uri);
- logger.trace("{} POST body: {}", traceTag, body);
Mono<String> bodyProducer = body != null ? Mono.just(body) : Mono.empty();
RequestHeadersSpec<?> request = getWebClient() //
.uri(uri) //
.contentType(MediaType.APPLICATION_JSON) //
.body(bodyProducer, String.class);
- return retrieve(traceTag, request);
+ return retrieve(request);
}
public Mono<String> post(String uri, @Nullable String body) {
}
public Mono<String> postWithAuthHeader(String uri, String body, String username, String password) {
- Object traceTag = createTraceTag();
- logger.debug("{} POST (auth) uri = '{}{}''", traceTag, baseUrl, uri);
- logger.trace("{} POST body: {}", traceTag, body);
-
RequestHeadersSpec<?> request = getWebClient() //
.post() //
.uri(uri) //
.headers(headers -> headers.setBasicAuth(username, password)) //
.contentType(MediaType.APPLICATION_JSON) //
.bodyValue(body);
- return retrieve(traceTag, request) //
+ return retrieve(request) //
.map(this::toBody);
}
public Mono<ResponseEntity<String>> putForEntity(String uri, String body) {
- Object traceTag = createTraceTag();
- logger.debug("{} PUT uri = '{}{}''", traceTag, baseUrl, uri);
- logger.trace("{} PUT body: {}", traceTag, body);
-
RequestHeadersSpec<?> request = getWebClient() //
.put() //
.uri(uri) //
.contentType(MediaType.APPLICATION_JSON) //
.bodyValue(body);
- return retrieve(traceTag, request);
+ return retrieve(request);
}
public Mono<ResponseEntity<String>> putForEntity(String uri) {
- Object traceTag = createTraceTag();
- logger.debug("{} PUT uri = '{}{}''", traceTag, baseUrl, uri);
- logger.trace("{} PUT body: <empty>", traceTag);
RequestHeadersSpec<?> request = getWebClient() //
.put() //
.uri(uri);
- return retrieve(traceTag, request);
+ return retrieve(request);
}
public Mono<String> put(String uri, String body) {
}
public Mono<ResponseEntity<String>> getForEntity(String uri) {
- Object traceTag = createTraceTag();
- logger.debug("{} GET uri = '{}{}''", traceTag, baseUrl, uri);
RequestHeadersSpec<?> request = getWebClient().get().uri(uri);
- return retrieve(traceTag, request);
+ return retrieve(request);
}
public Mono<String> get(String uri) {
}
public Mono<ResponseEntity<String>> deleteForEntity(String uri) {
- Object traceTag = createTraceTag();
- logger.debug("{} DELETE uri = '{}{}''", traceTag, baseUrl, uri);
RequestHeadersSpec<?> request = getWebClient().delete().uri(uri);
- return retrieve(traceTag, request);
+ return retrieve(request);
}
public Mono<String> delete(String uri) {
.map(this::toBody);
}
- private Mono<ResponseEntity<String>> retrieve(Object traceTag, RequestHeadersSpec<?> request) {
- final Class<String> clazz = String.class;
+ private Mono<ResponseEntity<String>> retrieve(RequestHeadersSpec<?> request) {
+ if (securityContext.isConfigured()) {
+ request.headers(h -> h.setBearerAuth(securityContext.getBearerAuthToken()));
+ }
return request.retrieve() //
- .toEntity(clazz) //
- .doOnNext(entity -> logReceivedData(traceTag, entity)) //
- .doOnError(throwable -> onHttpError(traceTag, throwable));
- }
-
- private void logReceivedData(Object traceTag, ResponseEntity<String> entity) {
- logger.trace("{} Received: {} {}", traceTag, entity.getBody(), entity.getHeaders().getContentType());
+ .toEntity(String.class);
}
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 String toBody(ResponseEntity<String> entity) {
if (entity.getBody() == null) {
return "";
return httpClient;
}
- private WebClient buildWebClient(String baseUrl) {
+ public WebClient buildWebClient(String baseUrl) {
+ Object traceTag = createTraceTag();
+
final HttpClient httpClient = buildHttpClient();
ExchangeStrategies exchangeStrategies = ExchangeStrategies.builder() //
.codecs(configurer -> configurer.defaultCodecs().maxInMemorySize(-1)) //
.build();
+
+ ExchangeFilterFunction reqLogger = ExchangeFilterFunction.ofRequestProcessor(req -> {
+ logger.debug("{} {} uri = '{}''", traceTag, req.method(), req.url());
+ return Mono.just(req);
+ });
+
+ ExchangeFilterFunction respLogger = ExchangeFilterFunction.ofResponseProcessor(resp -> {
+ logger.debug("{} resp: {}", traceTag, resp.statusCode());
+ return Mono.just(resp);
+ });
+
return WebClient.builder() //
.clientConnector(new ReactorClientHttpConnector(httpClient)) //
.baseUrl(baseUrl) //
.exchangeStrategies(exchangeStrategies) //
+ .filter(reqLogger) //
+ .filter(respLogger) //
.build();
}