How to get the original requested URI from JAX-RS javax.ws.rs.core.Response

Question

I am trying to write a custom ExceptionMapper class for JAX-RS. I would like to read somehow the original requested URI from the JAX-RS javax.ws.rs.core.Response object.

When I check the response object with IntelliJ IDEA in debug mode then I can see this info under the following path: response > context > resolvedUri where
type of the context is org.glassfish.jersy.client.ClientResponse . This class has a resolvedUri variable which holds the info I need.

Can I get this info somehow? How I can write my getRequestUri(response) method?

public class MyExceptionMapper implements ExceptionMapper<WebApplicationException> {

    @Override
    public Response toResponse(WebApplicationException error) {

        Response response = error.getResponse();
        ErrorResponse errorResponse = ErrorResponseBuilder
                .builder()
                .httpStatus(getDefaultStatusCodeIfNull(response))
                .errorMessage(getCustomErrorMessage(response))
                .requestedUri(getRequestedUri(response)) <--------- HOW TO READ IT?
                .build();

        return Response
                .status(errorResponse.getHttpStatus())
                .type(ExtendedMediaType.APPLICATION_JSON)
                .entity(errorResponse)
                .build();
    }
}

Answer 1

Use

@Context private HttpServletRequest servletRequest;

And use HttpServletRequest.getRequestURI()

public class MyExceptionMapper implements 
     ExceptionMapper<WebApplicationException> {

    @Context
    private HttpServletRequest servletRequest;

    @Override
    public Response toResponse(WebApplicationException error) {

        Response response = error.getResponse();
        ErrorResponse errorResponse = ErrorResponseBuilder
                .builder()
                .httpStatus(getDefaultStatusCodeIfNull(response))
                .errorMessage(getCustomErrorMessage(response))
                .requestedUri(servletRequest.getRequestURI())
                .build();

        return Response
               .status(errorResponse.getHttpStatus())
               .type(ExtendedMediaType.APPLICATION_JSON)
               .entity(errorResponse)
               .build();
    }
}