Java Code Examples for org.springframework.web.client.RestTemplate#getInterceptors()

/** {@inheritDoc} */
@Override
public Object postProcessAfterInitialization(Object bean, String beanName) {
	// RestTemplate et getInterceptors() existent depuis spring-web 3.1.0.RELEASE
	if (REST_TEMPLATE_INTERCEPTOR_AVAILABLE && bean instanceof RestTemplate) {
		final RestTemplate restTemplate = (RestTemplate) bean;
		final List<ClientHttpRequestInterceptor> interceptors = new ArrayList<ClientHttpRequestInterceptor>(
				restTemplate.getInterceptors());
		for (final ClientHttpRequestInterceptor interceptor : interceptors) {
			if (interceptor instanceof SpringRestTemplateInterceptor) {
				return bean;
			}
		}
		interceptors.add(SpringRestTemplateInterceptor.SINGLETON);
		restTemplate.setInterceptors(interceptors);
		LOG.debug("rest template interceptor initialized");
	}

	return bean;
}
 

@Bean
public SmartInitializingSingleton loadBalancedRestTemplateInitializer2(
        final ObjectProvider<List<RestTemplateCustomizer>> restTemplateCustomizers) {
    return () -> {
        logger.info("RestTemplateResilienceAutoConfiguration init2");
        for (RestTemplate restTemplate : RestTemplateCircuitBreakerAutoConfiguration.this.restTemplates) {
            List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
            logger.info("RestTemplate init2 start,interceptor size:" + interceptors.size());
            //for (ClientHttpRequestInterceptor interceptor : interceptors) {
            //logger.info("RestTemplate init2 interceptor ing:"+interceptor.getClass().getCanonicalName());
            //}
            //logger.info("RestTemplate init2 Customizer end");
            ClientHttpRequestInterceptor interceptor1 = new RestTemplateCircuitBreakerInterceptor
                    (circuitBreakerCore);
            interceptors.add(0, interceptor1);
            restTemplate.setInterceptors(interceptors);
            logger.info("RestTemplate init2 end,add CircuitBreaker interceptor");
        }
    };
}
 

@Override
public void afterPropertiesSet() throws Exception {
    if (null != restTemplateList) {
        for (RestTemplate restTemplate : restTemplateList) {
            List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
            if (interceptors == null) {
                restTemplate.setInterceptors(Arrays.asList(grayClientHttpRequestInterceptor));
            } else {
                List<ClientHttpRequestInterceptor> newInterceptors = new ArrayList<>();
                newInterceptors.addAll(interceptors);
                newInterceptors.add(grayClientHttpRequestInterceptor);
                restTemplate.setInterceptors(newInterceptors);
            }
        }
    }
}
 

/**
 * Inject the access token into the downstream service calls.
 * 
 * @return  The {@code RestTemplate} for sending HTTP requests.
 */
@Primary
@Bean
public RestTemplate getCustomRestTemplate() {
	RestTemplate template = new RestTemplate();
	List<ClientHttpRequestInterceptor> interceptors = template.getInterceptors();
	if (interceptors == null) {
		template.setInterceptors(Collections.singletonList(new UserContextInterceptor()));  // UserContextInterceptor will inject Authentication header in every REST call
	} else {
		interceptors.add(new UserContextInterceptor());
		template.setInterceptors(interceptors);
	}
	return template;
}
 

private List<ClientHttpRequestInterceptor> assertInterceptorsNotEmpty(
		RestTemplate restTemplate) {
	then(restTemplate).isNotNull();
	List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
	then(interceptors).isNotEmpty();
	return interceptors;
}
 

private boolean hasTraceInterceptor(RestTemplate restTemplate) {
	for (ClientHttpRequestInterceptor interceptor : restTemplate.getInterceptors()) {
		if (interceptor instanceof TracingClientHttpRequestInterceptor
				|| interceptor instanceof LazyTracingClientHttpRequestInterceptor) {
			return true;
		}
	}
	return false;
}
 

void inject(RestTemplate restTemplate) {
	if (hasTraceInterceptor(restTemplate)) {
		return;
	}
	List<ClientHttpRequestInterceptor> interceptors = new ArrayList<ClientHttpRequestInterceptor>(
			restTemplate.getInterceptors());
	interceptors.add(0, this.interceptor);
	restTemplate.setInterceptors(interceptors);
}
 

@Override
public void customize(RestTemplate restTemplate) {
    List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();

    for (ClientHttpRequestInterceptor interceptor : interceptors) {
        if (interceptor instanceof TracingRestTemplateInterceptor) {
            return;
        }
    }

    interceptors = new ArrayList<>(interceptors);
    interceptors.add(new TracingRestTemplateInterceptor(tracer, spanDecorators));
    restTemplate.setInterceptors(interceptors);
}
 

@Override
protected void assertLoadBalanced(RestTemplate restTemplate) {
	List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
	then(interceptors).hasSize(1);
	ClientHttpRequestInterceptor interceptor = interceptors.get(0);
	then(interceptor).isInstanceOf(RetryLoadBalancerInterceptor.class);
}
 

@PostConstruct
public void init() {
	if (this.restTemplates != null) {
		for (RestTemplate restTemplate : restTemplates) {
			List<ClientHttpRequestInterceptor> interceptors = new ArrayList<ClientHttpRequestInterceptor>(
					restTemplate.getInterceptors());
			interceptors.add(this.seataRestTemplateInterceptor);
			restTemplate.setInterceptors(interceptors);
		}
	}
}
 

@Override
protected void assertLoadBalanced(RestTemplate restTemplate) {
	List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
	then(interceptors).hasSize(1);
	ClientHttpRequestInterceptor interceptor = interceptors.get(0);
	then(interceptor).isInstanceOf(LoadBalancerInterceptor.class);
}
 

/**
 * 使用带有Ribbon 功能的Spring RestTemplate
 */
@LoadBalanced
@Bean
@SuppressWarnings("unchecked")
public RestTemplate getRestTemplate(){
    RestTemplate restTemplate = new RestTemplate();
    //加上拦截器，发出请求前加入管理id Header
    List interceptors = restTemplate.getInterceptors();
    if(interceptors==null){
        restTemplate.setInterceptors(Collections.singletonList(new UserContextInterceptor()));
    }else{
        interceptors.add(new UserContextInterceptor());
    }
    return restTemplate;
}
 

@PostConstruct
public void init() {
  LOGGER.debug("init restTemplate for dtm..");
  if (this.restTemplates != null) {
    for (RestTemplate restTemplate : restTemplates) {
      List<ClientHttpRequestInterceptor> interceptors = new ArrayList<>(
          restTemplate.getInterceptors());
      interceptors.add(dtmRestTemplateInterceptor);
      restTemplate.setInterceptors(interceptors);
    }
  }
}
 

private boolean checkRestTemplateInterceptor(RestTemplate restTemplate) {
    for (ClientHttpRequestInterceptor interceptor : restTemplate.getInterceptors()) {
        if (interceptor instanceof RestTemplateInterceptor) {
            return true;
        }
    }
    return false;
}
 

public void enhanceRestTemplateWithSofaTracer(RestTemplate restTemplate) {
    // check interceptor
    if (checkRestTemplateInterceptor(restTemplate)) {
        return;
    }
    List<ClientHttpRequestInterceptor> interceptors = new ArrayList<>(
        restTemplate.getInterceptors());
    interceptors.add(0, this.restTemplateInterceptor);
    restTemplate.setInterceptors(interceptors);
}
 

public ApiBootLoggingRestTemplateAutoConfiguration(RestTemplate restTemplate) {

        List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();

        LoggingRestTemplateInterceptor interceptor = new LoggingRestTemplateInterceptor();

        if (ObjectUtils.isEmpty(interceptors)) {
            restTemplate.setInterceptors(Arrays.asList(interceptor));
        } else {
            interceptors.add(interceptor);
        }
    }
 

@Test
public void givenLoggingInterceptorConfiguration_whenSendGetForRequestEntity_thenRequestResponseCustomLog() {

    RestTemplate restTemplate = new RestTemplate();
    List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
    if (CollectionUtils.isEmpty(interceptors)) {
        interceptors = new ArrayList<>();
    }
    interceptors.add(new LoggingInterceptor());
    restTemplate.setInterceptors(interceptors);

    final ResponseEntity<String> response = restTemplate.postForEntity(baseUrl + "/persons", "my request body", String.class);
    assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
 

@PostConstruct
public void init() {
    if (this.restTemplates != null) {
        Iterator var1 = this.restTemplates.iterator();

        while (var1.hasNext()) {
            RestTemplate restTemplate = (RestTemplate) var1.next();
            List<ClientHttpRequestInterceptor> interceptors = new ArrayList(restTemplate.getInterceptors());
            interceptors.add(this.seataRestTemplateInterceptor);
            restTemplate.setInterceptors(interceptors);
        }
    }

}
 

@Bean
public RestTemplate restTemplate(@Autowired(required = false) OmegaContext context, @Autowired Tracing tracing) {
  RestTemplate template = new RestTemplate();
  List<ClientHttpRequestInterceptor> interceptors = template.getInterceptors();
  interceptors.add(new TransactionClientHttpRequestInterceptor(context));
  // add interceptor for rest's request server By Gannalyo
  interceptors.add(TracingClientHttpRequestInterceptor.create(tracing));
  template.setInterceptors(interceptors);
  return template;
}
 

private void processing(RestTemplate restTemplate) {
    List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
    interceptors.add(new TraceClientHttpRequestInterceptor(traceContentFactory));
    restTemplate.setInterceptors(interceptors);
}