public ResponseEntity query()

in src/main/java/com/lambdajavablockchain/controller/ApiController.java [68:98]
27 lines of code
5 McCabe index (conditional complexity)

    public ResponseEntity<?> query(@RequestParam String chaincodeName,
                                   @RequestParam String functionName,
                                   @RequestParam(required = false) String args) {
        try {
            if (args == null)
                args = "";

            log.debug("Querying chaincode - chaincodeName:" + chaincodeName +
                                            "functionName:" + functionName +
                                            "args:" + args);

            service.setupClient();
            // First retrieve LambdaUser's credentials and set user context
            service.setUser(AMBConfig.LAMBDAUSER);
            service.initChannel();

            String res = service.queryChaincode(service.getClient(), service.getChannel(), chaincodeName, functionName, args);
            return new ResponseEntity<>(res, HttpStatus.OK);
        } catch (EnrollmentNotFoundException | AppException e){
            log.error("Error while querying chaincode - " + e.getMessage());
            return new ResponseEntity<>("Error while querying chaincode - " + e.getMessage(), HttpStatus.BAD_REQUEST);
        } catch (ManagedBlockchainServiceException e) {
            log.error("Error while querying chaincode, " + e.getMessage());
            return new ResponseEntity<>("Error while querying chaincode, ManagedBlockchainService startup failed - "
                    + e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
        } catch (Exception e) {
            log.error("Error while querying - function:" + functionName + " chaincode:" + chaincodeName);
            e.printStackTrace();
            return new ResponseEntity<>("Error while querying chaincode", HttpStatus.INTERNAL_SERVER_ERROR);
        }
    }