@POST public void convert( InputStream inputStream, @Suspended AsyncResponse asyncResponse, @HeaderParam(HttpHeaders.CONTENT_TYPE) String inputType, @HeaderParam(HttpHeaders.ACCEPT) String responseType, @DefaultValue("" + IConverter.JOB_PRIORITY_NORMAL) @HeaderParam(ConverterNetworkProtocol.HEADER_JOB_PRIORITY) int priority) { DocumentType targetType = new DocumentType(responseType); // The received input stream does not need to be closed since the underlying channel is automatically closed with responding. // If the stream was closed manually, this would in contrast lead to a NullPointerException since the channel was already detached. webConverterConfiguration.getConverter() .convert(inputStream, false).as(new DocumentType(inputType)) .to(AsynchronousConversionResponse.to(asyncResponse, targetType, webConverterConfiguration.getTimeout())).as(targetType) .prioritizeWith(priority) .schedule(); } }