private static Map<ConversionPath, IExternalConverter> resolve(IExternalConverter externalConverter) { boolean viableConversionPresent = externalConverter.getClass().isAnnotationPresent(ViableConversion.class); boolean viableConversionsPresent = externalConverter.getClass().isAnnotationPresent(ViableConversions.class); checkState(viableConversionPresent ^ viableConversionsPresent, externalConverter + " must be annotated with " + "exactly one of @ViableConversion or @ViableConversions"); ViableConversion[] viableConversions = viableConversionPresent ? new ViableConversion[]{externalConverter.getClass().getAnnotation(ViableConversion.class)} : externalConverter.getClass().getAnnotation(ViableConversions.class).value(); Map<ConversionPath, IExternalConverter> conversionMapping = new HashMap<ConversionPath, IExternalConverter>(); for (ViableConversion viableConversion : viableConversions) { for (String sourceFormat : viableConversion.from()) { for (String targetFormat : viableConversion.to()) { conversionMapping.put(new ConversionPath(new DocumentType(sourceFormat), new DocumentType(targetFormat)), externalConverter); } } } return conversionMapping; }
@Override public DocumentType unmarshal(AdaptedDocumentType adapted) throws Exception { return new DocumentType(adapted.getType(), adapted.getSubtype()); }
@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(); } }