com.amazon.ask.dispatcher.exception

Interface ExceptionMapper

All Known Implementing Classes:

DefaultExceptionMapper

public interface ExceptionMapper

Used by the DefaultRequestDispatcher to act on unhandled exceptions encountered during request processing. The exception mapper contains one or more exception handlers. Handlers are accessed through the mapper to attempt to find a handler that is compatible with the current exception.

Method Summary

Modifier and Type	Method and Description
Optional<ExceptionHandler>	getHandler(HandlerInput input, Throwable throwable) Returns a suitable exception handler to dispatch the specified exception, if one exists.

Method Detail

getHandler

Optional<ExceptionHandler> getHandler(HandlerInput input,
                                      Throwable throwable)

Returns a suitable exception handler to dispatch the specified exception, if one exists.

Parameters:

input - handler input containing the RequestEnvelope, AttributesManager, ServiceClientFactory, ResponseBuilder, and other utilities.

throwable - the exception that was originally thrown

Returns:

optional exception handler if found, else an empty result