D-Net

			case "E55_Type":

				json = getJsonForType(resource, resCatName);

				break;

	protected String getJsonForType(final Resource res, final String resNameForCatalogue) throws IOException {

		JsonFactory jsonFactory = new JsonFactory();

		final ByteArrayOutputStream out = new ByteArrayOutputStream();

		BufferedOutputStream bos = new BufferedOutputStream(out);

		JsonGenerator jg = jsonFactory.createGenerator(bos, JsonEncoding.UTF8);

		jg.writeStartObject();

		writeCommonFields(jg, res, resNameForCatalogue);

		jg.writeArrayFieldStart("extras");

		addExtra(jg, "system:type", E55_Type.getLocalName());

		//specific class

		addExtra(jg, "instance of", resourceReader.findSpecificType(res, E55_Type).getLocalName());

		if (res.getURI().startsWith(PARTHENOS_BASE_URL)) {

			addExtra(jg, "Parthenos URL", res.getURI());

		}

        //TODO: add additional metadata for Type, if any

		jg.writeEndArray();

		jg.writeEndObject();

		jg.close();

		return out.toString("UTF-8");

	}