@NonNullApi @NonNullFields

Package org.springframework.web.client

Core package of the client-side web support.

See: Description

Interface Summary

Interface	Description
AsyncRequestCallback	Deprecated as of Spring 5.0, in favor of ExchangeFilterFunction
AsyncRestOperations	Deprecated as of Spring 5.0, in favor of WebClient
RequestCallback	Callback interface for code that operates on a ClientHttpRequest.
ResponseErrorHandler	Strategy interface used by the RestTemplate to determine whether a particular response has an error or not.
ResponseExtractor<T>	Generic callback interface used by RestTemplate's retrieval methods Implementations of this interface perform the actual work of extracting data from a ClientHttpResponse, but don't need to worry about exception handling or closing resources.
RestOperations	Interface specifying a basic set of RESTful operations.

Class Summary

Class	Description
AsyncRestTemplate	Deprecated as of Spring 5.0, in favor of WebClient
DefaultResponseErrorHandler	Spring's default implementation of the ResponseErrorHandler interface.
ExtractingResponseErrorHandler	Implementation of ResponseErrorHandler that uses HttpMessageConverters to convert HTTP error responses to RestClientException.
HttpMessageConverterExtractor<T>	Response extractor that uses the given entity converters to convert the response into a type T.
RestTemplate	Spring's central class for synchronous client-side HTTP access. It simplifies communication with HTTP servers, and enforces RESTful principles.

Exception Summary

Exception	Description
HttpClientErrorException	Exception thrown when an HTTP 4xx is received.
HttpServerErrorException	Exception thrown when an HTTP 5xx is received.
HttpStatusCodeException	Abstract base class for exceptions based on an HttpStatus.
ResourceAccessException	Exception thrown when an I/O error occurs.
RestClientException	Base class for exceptions thrown by RestTemplate whenever it encounters client-side HTTP errors.
RestClientResponseException	Common base class for exceptions that contain actual HTTP response data.
UnknownHttpStatusCodeException	Exception thrown when an unknown (or custom) HTTP status code is received.

Package org.springframework.web.client Description

Core package of the client-side web support. Provides a RestTemplate class and various callback interfaces.