Rlarroque :
I'm currently using an OAuth2RestOperations that extends the Spring RestTemplate and I would like to specify the content type header.
The only thing I've managed to do was to explicitly set my header during the request:
public String getResult() {
String result = myRestTemplate.exchange(uri, HttpMethod.GET, generateJsonHeader(), String.class).getBody();
}
private HttpEntity<String> generateJsonHeader() {
HttpHeaders headers = new HttpHeaders();
headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
return new HttpEntity<>("parameters", headers);
}
But it would actually be great to be able to set that once and for all during the bean initialization, and directly use the getforObject method instead of exchange.
diginoise :
First you have to create request interceptor:
public class JsonMimeInterceptor implements ClientHttpRequestInterceptor {
@Override
public ClientHttpResponse intercept(HttpRequest request, byte[] body,
ClientHttpRequestExecution execution) throws IOException {
HttpHeaders headers = request.getHeaders();
headers.add("Accept", MediaType.APPLICATION_JSON);
return execution.execute(request, body);
}
}
... and then you have rest template creation code which uses above interceptor:
@Configuration
public class MyAppConfig {
@Bean
public RestTemplate restTemplate() {
RestTemplate restTemplate = new RestTemplate(clientHttpRequestFactory());
restTemplate.setInterceptors(Collections.singletonList(new JsonMimeInterceptor()));
return restTemplate;
}
}
You could subclass RestTemplate if you were to have some other specialised or universal REST templates in your application.
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