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Configure Filters for the Spring WebClient

Pragya Keshap answered on February 24, 2023 Popularity 1/10 Helpfulness 1/10

answer Configure Filters for the Spring WebClient

Configure Filters for the Spring WebClient

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If we have business logic or a configuration setup that applies to every HTTP request and response made with the WebClient, we can configure and chain multiple filters.

@Component
public class SimpleWebClientConfiguration {

  private static final String BASE_URL = "https://jsonplaceholder.typicode.com";
  private static final Logger logger = LoggerFactory.getLogger(SimpleApiClient.class);

  @Bean
  public WebClient webClientFromScratch() {

    // HttpClient configuration

    return WebClient.builder()
      .baseUrl(BASE_URL)
      .clientConnector(new ReactorClientHttpConnector(httpClient))
      .filter(ExchangeFilterFunctions.basicAuthentication("rieckpil", UUID.randomUUID().toString()))
      .filter(logRequest())
      .filter(logResponse())
      .build();
  }

  private ExchangeFilterFunction logRequest() {
    return (clientRequest, next) -> {
      logger.info("Request: {} {}", clientRequest.method(), clientRequest.url());
      logger.info("--- Http Headers: ---");
      clientRequest.headers().forEach(this::logHeader);
      logger.info("--- Http Cookies: ---");
      clientRequest.cookies().forEach(this::logHeader);
      return next.exchange(clientRequest);
    };
  }

  private ExchangeFilterFunction logResponse() {
    return ExchangeFilterFunction.ofResponseProcessor(clientResponse -> {
      logger.info("Response: {}", clientResponse.statusCode());
      clientResponse.headers().asHttpHeaders()
        .forEach((name, values) -> values.forEach(value -> logger.info("{}={}", name, value)));
      return Mono.just(clientResponse);
    });
  }

  private void logHeader(String name, List<String> values) {
    values.forEach(value -> logger.info("{}={}", name, value));
  }
}

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: configure java

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Contributed on Feb 24 2023

Pragya Keshap

0 Answers Avg Quality 2/10

Configure Filters for the Spring WebClient

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