Package org.springframework.web.client
Interface RequestCallback
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface RequestCallback
Callback interface for code that operates on aClientHttpRequest
. Allows manipulating the request headers, and write to the request body.Used internally by the
RestTemplate
, but also useful for application code. There several available factory methods:
Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
doWithRequest(ClientHttpRequest request)
Method Detail
doWithRequest
void doWithRequest(ClientHttpRequest request) throws IOException
Gets called byRestTemplate.execute(java.lang.String, org.springframework.http.HttpMethod, org.springframework.web.client.RequestCallback, org.springframework.web.client.ResponseExtractor<T>, java.lang.Object...)
with an openedClientHttpRequest
. Does not need to care about closing the request or about handling errors: this will all be handled by theRestTemplate
.- Parameters:
request
- the active HTTP request- Throws:
IOException
- in case of I/O errors