Examples with MessageCommandResponse org.eclipse.ditto.messages.model.signals.commands.MessageCommandResponse used on opensource projects

Example 1 with MessageCommandResponse

use of org.eclipse.ditto.messages.model.signals.commands.MessageCommandResponse in project ditto by eclipse.

the class AbstractHttpRequestActor method handleMessageResponseMessage.

private HttpResponse handleMessageResponseMessage(final MessageCommandResponse<?, ?> messageCommandResponse) {
    HttpResponse httpResponse;
    final Message<?> message = messageCommandResponse.getMessage();
    final Optional<?> optionalPayload = message.getPayload();
    final Optional<ByteBuffer> optionalRawPayload = message.getRawPayload();
    final var responseStatus = Optional.of(messageCommandResponse.getHttpStatus()).filter(httpStatus -> StatusCodes.lookup(httpStatus.getCode()).isPresent()).filter(httpStatus -> !HttpStatus.BAD_GATEWAY.equals(httpStatus));
    // if statusCode is != NO_CONTENT
    if (responseStatus.map(status -> !HttpStatus.NO_CONTENT.equals(status)).orElse(true)) {
        // this is on purpose not .map(ContentTypes:parse) as this would throw an exception:
        final Optional<akka.http.scaladsl.model.ContentType> optionalContentType = message.getContentType().map(ContentType$.MODULE$::parse).filter(Either::isRight).map(Either::toOption).map(Option::get);
        final boolean isBinary = optionalContentType.map(akka.http.scaladsl.model.ContentType::value).map(ContentType::of).filter(ContentType::isBinary).isPresent();
        httpResponse = createHttpResponse(responseStatus.orElse(HttpStatus.OK));
        if (optionalPayload.isPresent() && optionalContentType.isPresent() && !isBinary) {
            final akka.http.scaladsl.model.ContentType contentType = optionalContentType.get();
            final Object payload = optionalPayload.get();
            final ByteString responsePayload = ByteString.fromString(payload.toString());
            httpResponse = httpResponse.withEntity(HttpEntities.create(contentType, responsePayload));
        } else if (optionalRawPayload.isPresent() && optionalContentType.isPresent() && isBinary) {
            final akka.http.scaladsl.model.ContentType contentType = optionalContentType.get();
            final ByteBuffer rawPayload = optionalRawPayload.get();
            httpResponse = httpResponse.withEntity(HttpEntities.create(contentType, rawPayload.array()));
        } else if (optionalRawPayload.isPresent()) {
            final ByteBuffer rawPayload = optionalRawPayload.get();
            httpResponse = httpResponse.withEntity(HttpEntities.create(rawPayload.array()));
        }
    } else {
        // if payload was missing OR HTTP status was NO_CONTENT:
        optionalRawPayload.ifPresent(byteBuffer -> logger.withCorrelationId(messageCommandResponse).info("Response payload was set but response status code was also set to <{}>." + " Ignoring the response payload. Command=<{}>", responseStatus, messageCommandResponse));
        httpResponse = createHttpResponse(HttpStatus.NO_CONTENT);
    }
    return enhanceResponseWithExternalDittoHeaders(httpResponse, messageCommandResponse.getDittoHeaders());
}