protected RepositoryService repositoryService;
@RequestMapping(value="/simple-workflow", method = RequestMethod.POST, produces="application/json")
public SimpleWorkflowSuccessResponse createWorkflow(@RequestBody String json) {
// Convert json to simple workflow definition
SimpleWorkflowJsonConverter jsonConverter = new SimpleWorkflowJsonConverter();
WorkflowDefinition workflowDefinition = jsonConverter.readWorkflowDefinition(json.getBytes());
WorkflowDefinitionConversionFactory conversionFactory = new WorkflowDefinitionConversionFactory();
WorkflowDefinitionConversion conversion = conversionFactory.createWorkflowDefinitionConversion(workflowDefinition);
conversion.convert();