https://github.com/cepr0/sb-rest-template-interceptor-demo

Example of Spring RestTemplate interceptor with BufferingClientHttpResponseWrapper
https://github.com/cepr0/sb-rest-template-interceptor-demo

interceptor rest-template spring spring-boot

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Example of Spring RestTemplate interceptor with BufferingClientHttpResponseWrapper

• Host: GitHub
• URL: https://github.com/cepr0/sb-rest-template-interceptor-demo
• Owner: Cepr0
• Created: 2019-08-19T11:29:16.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2019-08-19T16:07:30.000Z (almost 7 years ago)
• Last Synced: 2025-08-05T06:05:12.510Z (11 months ago)
• Topics: interceptor, rest-template, spring, spring-boot
• Language: Java
• Size: 4.88 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md

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README

          
Example of Spring RestTemplate interceptor with `BufferingClientHttpResponseWrapper` 

that reads the response's body into memory, thus allowing for multiple invocations of `getBody()`

```java

@Bean

public RestTemplate restTemplate(RestTemplateBuilder templateBuilder) {

   ClientHttpRequestFactory requestFactory = new BufferingClientHttpRequestFactory(new SimpleClientHttpRequestFactory());

   return templateBuilder

      .interceptors((request, bytes, execution) -> {

         log.info("[i] Interceptor: invoked {} {}", request.getMethod(), request.getURI());

         ClientHttpRequest delegate = requestFactory.createRequest(request.getURI(), request.getMethod());

         request.getHeaders().forEach((key, values) -> values.forEach(value -> delegate.getHeaders().add(key, value)));

         ClientHttpResponse response = delegate.execute();

         String body = StreamUtils.copyToString(response.getBody(), Charset.defaultCharset());

         log.info("[i] Interceptor: response body is '{}'", body);

         return response;

      })

      .rootUri("http://localhost:8080")

      .build();

}

```