Package org.springframework.web.client

Interface RestClient.ResponseSpec

Enclosing interface:

RestClient

public static interface RestClient.ResponseSpec

Contract for specifying response operations following the exchange.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	RestClient.ResponseSpec.ErrorHandler	Used in onStatus(Predicate, ErrorHandler).

Method Summary

Modifier and Type	Method	Description
<T> T	body(Class<T> bodyType)	Extract the body as an object of the given type.
<T> T	body(ParameterizedTypeReference<T> bodyType)	Extract the body as an object of the given type.
RestClient.ResponseSpec	onStatus(Predicate<HttpStatusCode> statusPredicate, RestClient.ResponseSpec.ErrorHandler errorHandler)	Provide a function to map specific error status codes to an error handler.
RestClient.ResponseSpec	onStatus(ResponseErrorHandler errorHandler)	Provide a function to map specific error status codes to an error handler.
ResponseEntity<Void>	toBodilessEntity()	Return a ResponseEntity without a body.
<T> ResponseEntity<T>	toEntity(Class<T> bodyType)	Return a ResponseEntity with the body decoded to an Object of the given type.
<T> ResponseEntity<T>	toEntity(ParameterizedTypeReference<T> bodyType)	Return a ResponseEntity with the body decoded to an Object of the given type.

Method Details

onStatus

RestClient.ResponseSpec onStatus(Predicate<HttpStatusCode> statusPredicate,
 RestClient.ResponseSpec.ErrorHandler errorHandler)

Provide a function to map specific error status codes to an error handler.

By default, if there are no matching status handlers, responses with status codes >= 400 wil throw a RestClientResponseException.

Note that IOExceptions, UncheckedIOExceptions, and HttpMessageNotReadableExceptions thrown from errorHandler will be wrapped in a RestClientException.

Parameters:

statusPredicate - to match responses with

errorHandler - handler that typically, though not necessarily, throws an exception

Returns:

this builder

onStatus

RestClient.ResponseSpec onStatus(ResponseErrorHandler errorHandler)

Provide a function to map specific error status codes to an error handler.

By default, if there are no matching status handlers, responses with status codes >= 400 wil throw a RestClientResponseException.

Note that IOExceptions, UncheckedIOExceptions, and HttpMessageNotReadableExceptions thrown from errorHandler will be wrapped in a RestClientException.

Parameters:

errorHandler - the error handler

Returns:

this builder

body

@Nullable
<T> T body(Class<T> bodyType)

Extract the body as an object of the given type.

Type Parameters:

T - the body type

Parameters:

bodyType - the type of return value

Returns:

the body, or null if no response body was available

Throws:

RestClientResponseException - by default when receiving a response with a status code of 4xx or 5xx. Use onStatus(Predicate, ErrorHandler) to customize error response handling.

body

@Nullable
<T> T body(ParameterizedTypeReference<T> bodyType)

Extract the body as an object of the given type.

Type Parameters:

T - the body type

Parameters:

bodyType - the type of return value

Returns:

the body, or null if no response body was available

Throws:

RestClientResponseException - by default when receiving a response with a status code of 4xx or 5xx. Use onStatus(Predicate, ErrorHandler) to customize error response handling.

toEntity

<T> ResponseEntity<T> toEntity(Class<T> bodyType)

Return a ResponseEntity with the body decoded to an Object of the given type.

Type Parameters:

T - response body type

Parameters:

bodyType - the expected response body type

Returns:

the ResponseEntity with the decoded body

Throws:

RestClientResponseException - by default when receiving a response with a status code of 4xx or 5xx. Use onStatus(Predicate, ErrorHandler) to customize error response handling.

toEntity

<T> ResponseEntity<T> toEntity(ParameterizedTypeReference<T> bodyType)

Return a ResponseEntity with the body decoded to an Object of the given type.

Type Parameters:

T - response body type

Parameters:

bodyType - the expected response body type

Returns:

the ResponseEntity with the decoded body

Throws:

RestClientResponseException - by default when receiving a response with a status code of 4xx or 5xx. Use onStatus(Predicate, ErrorHandler) to customize error response handling.

toBodilessEntity

ResponseEntity<Void> toBodilessEntity()

Return a ResponseEntity without a body.

Returns:

the ResponseEntity

Throws:

RestClientResponseException - by default when receiving a response with a status code of 4xx or 5xx. Use onStatus(Predicate, ErrorHandler) to customize error response handling.