Map<String, String[]> values = request.getParameterMap();

		Model model = repositoryService.getModel(modelId);

		ObjectNode modelJson = (ObjectNode) objectMapper.readTree(model.getMetaInfo());

		//modelJson.put(MODEL_NAME, values.getFirst("name"));
		modelJson.put(MODEL_NAME, values.get("name")[0]);
		//modelJson.put(MODEL_DESCRIPTION, values.getFirst("description"));
		modelJson.put(MODEL_DESCRIPTION, values.get("description")[0]);
		model.setMetaInfo(modelJson.toString());
		//model.setName(values.getFirst("name"));
		model.setName(values.get("name")[0]);

		repositoryService.saveModel(model);

		//repositoryService.addModelEditorSource(model.getId(), values.getFirst("json_xml").getBytes("utf-8"));
		repositoryService.addModelEditorSource(model.getId(), new String(values.get("json_xml")[0]).getBytes("utf-8"));

		//InputStream svgStream = new ByteArrayInputStream(values.getFirst("svg_xml").getBytes("utf-8"));
		InputStream svgStream = new ByteArrayInputStream(new String(values.get("svg_xml")[0]).getBytes("utf-8"));
		TranscoderInput input = new TranscoderInput(svgStream);

		PNGTranscoder transcoder = new PNGTranscoder();
		// Setup output
		ByteArrayOutputStream outStream = new ByteArrayOutputStream();
		TranscoderOutput output = new TranscoderOutput(outStream);

		// Do the transformation
		transcoder.transcode(input, output);
		final byte[] result = outStream.toByteArray();
		repositoryService.addModelEditorSourceExtra(model.getId(), result);
		outStream.close();

	} catch (Exception e) {
		LOGGER.error("Error saving model", e);
		throw new ActivitiException("Error saving model", e);
	}
}