@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.
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 RestClientExceptions.
HttpMessageConverterExtractor<T>	Response extractor that uses the given entity converters to convert the response into a type T.
RestTemplate	Synchronous client to perform HTTP requests, exposing a simple, template method API over underlying HTTP client libraries such as the JDK HttpURLConnection, Apache HttpComponents, and others.

Exception Summary

Exception	Description
HttpClientErrorException	Exception thrown when an HTTP 4xx is received.
HttpClientErrorException.BadRequest	HttpClientErrorException for status HTTP 400 Bad Request.
HttpClientErrorException.Conflict	HttpClientErrorException for status HTTP 409 Conflict.
HttpClientErrorException.Forbidden	HttpClientErrorException for status HTTP 403 Forbidden.
HttpClientErrorException.Gone	HttpClientErrorException for status HTTP 410 Gone.
HttpClientErrorException.MethodNotAllowed	HttpClientErrorException for status HTTP 405 Method Not Allowed.
HttpClientErrorException.NotAcceptable	HttpClientErrorException for status HTTP 406 Not Acceptable.
HttpClientErrorException.NotFound	HttpClientErrorException for status HTTP 404 Not Found.
HttpClientErrorException.TooManyRequests	HttpClientErrorException for status HTTP 429 Too Many Requests.
HttpClientErrorException.Unauthorized	HttpClientErrorException for status HTTP 401 Unauthorized.
HttpClientErrorException.UnprocessableEntity	HttpClientErrorException for status HTTP 422 Unprocessable Entity.
HttpClientErrorException.UnsupportedMediaType	HttpClientErrorException for status HTTP 415 Unsupported Media Type.
HttpServerErrorException	Exception thrown when an HTTP 5xx is received.
HttpServerErrorException.BadGateway	HttpServerErrorException for status HTTP HTTP 502 Bad Gateway.
HttpServerErrorException.GatewayTimeout	HttpServerErrorException for status HTTP 504 Gateway Timeout.
HttpServerErrorException.InternalServerError	HttpServerErrorException for status HTTP 500 Internal Server Error.
HttpServerErrorException.NotImplemented	HttpServerErrorException for status HTTP 501 Not Implemented.
HttpServerErrorException.ServiceUnavailable	HttpServerErrorException for status HTTP 503 Service Unavailable.
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 in case a request fails because of a server error response, as determined via ResponseErrorHandler.hasError(ClientHttpResponse), failure to decode the response, or a low level I/O error.
RestClientResponseException	Common base class for exceptions that contain actual HTTP response data.
UnknownContentTypeException	Raised when no suitable HttpMessageConverter could be found to extract the response.
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.