public static HTTPResponse createResponse(
final StatusLine line, final Headers responseHeaders, final Optional<InputStream> stream) {
Optional<String> contentLengthHeader =
responseHeaders.getFirstHeaderValue(HeaderConstants.CONTENT_LENGTH);
MIMEType type = responseHeaders.getContentType().orElse(MIMEType.APPLICATION_OCTET_STREAM);
Optional<Long> length = responseHeaders.getContentLength();
Optional<Payload> payload =
stream
.filter(is -> line.getStatus().isBodyContentAllowed())
.map(is -> new InputStreamPayload(is, type, length.orElse(-1L)));
return new HTTPResponse(payload, line, responseHeaders);
}
