Module org.cruk.clarity.api

Package org.cruk.clarity.api.http

Class ClarityFailureResponseErrorHandler

java.lang.Object

org.springframework.web.client.DefaultResponseErrorHandler

org.cruk.clarity.api.http.ClarityFailureResponseErrorHandler

All Implemented Interfaces:

ResponseErrorHandler

public class ClarityFailureResponseErrorHandler
extends DefaultResponseErrorHandler

REST client error handler that looks at the response body when there is a failure code (an HTTP 400 or 500 code) and sees if the body contains a Clarity exception message. If it does, that is thrown instead.

This handler relies on the exception conversion aspect around the JAXB2 unmarshaller.

See Also:

• JaxbUnmarshallingAspect

Constructor Summary

Constructors

Constructor	Description
ClarityFailureResponseErrorHandler()	Empty constructor.

Method Summary

Modifier and Type	Method	Description
void	handleError(ClientHttpResponse response)	See if the response indicates an error and, if the body of the response is a Clarity error reply, create a throwable ClarityException from it and throw that.
protected boolean	hasError(HttpStatus statusCode)	Refinement of the default implementation, as we want anything that's not a successful error code (in the 200 series) to be classed as a failure.
void	setMarshaller(Jaxb2Marshaller marshaller)	Set the marshaller used to create the XML.

Methods inherited from class org.springframework.web.client.DefaultResponseErrorHandler

getCharset, getHttpStatusCode, getResponseBody, handleError, hasError, hasError

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.springframework.web.client.ResponseErrorHandler

handleError

Constructor Details

ClarityFailureResponseErrorHandler

public ClarityFailureResponseErrorHandler()

Empty constructor.

Method Details

setMarshaller

@Autowired
@Qualifier("clarityJaxbMarshaller")
public void setMarshaller(Jaxb2Marshaller marshaller)

Set the marshaller used to create the XML.

Parameters:

marshaller - The Jaxb2Marshaller.

hasError

protected boolean hasError(HttpStatus statusCode)

Refinement of the default implementation, as we want anything that's not a successful error code (in the 200 series) to be classed as a failure.

Overrides:

hasError in class DefaultResponseErrorHandler

Parameters:

statusCode - The HTTP status code

Returns:

true if the response is not in the 200 series of HTTP codes.

handleError

public void handleError(ClientHttpResponse response)
                 throws IOException

See if the response indicates an error and, if the body of the response is a Clarity error reply, create a throwable ClarityException from it and throw that.

Normally this test should be redundant, as the ClarityExceptionAspect should automatically take care of creating throwable ClarityExceptions from the response.

Specified by:

handleError in interface ResponseErrorHandler

Overrides:

handleError in class DefaultResponseErrorHandler

Parameters:

response - The HTTP response.

Throws:

IOException - if there is a problem reading from the response.

ClarityException - if the response is found to be a Clarity exception.

See Also:

• JaxbUnmarshallingAspect