@DateTimeFormat, convert string to Date (java)

Question

I'm currently with this problem. I have a Date.toString() . On one side, I want to send this to some other side as a Date . How to do this?

Here is my code:

public void createEmployee(Employee emp) throws HelicarrierException {
    log.debug(LOG_PREFIX + "[SERVICE]-[CREATE-LOG-GOAL] - [GOAL] - [{}]", emp);
    HashMap<String, String> map = new HashMap<>();
    map.put("nameEmployee", emp.getName());
    map.put("admissionalDate", emp.getAdmissionDate().toString());

    RestTemplate rt = new RestTemplate();

    String url = "http://" + properties.getSktServerEndpoint()
            + ":" + properties.getSktServerPort()
            + properties.getModelEmployee()
            + properties.getCreateEmployee();

    log.debug(LOG_PREFIX + "-[URL]-[{}]", url);
    log.debug(LOG_PREFIX + "-[PARAMETERS]-[{}]", map);

    try {
        rt.postForObject(url, emp, Employee.class, map);
    }

Note that emp.getAdmissionDate().toString() = Mon Oct 15 00:00:00 BRT 2018

And I'm trying to map this parameter on the other side like this:

@RequestMapping(method = RequestMethod.POST, path = "/create", produces = "application/json")
public ResponseEntity<GenericResponse> create(@RequestParam(value = "nameEmployee") String nameEmployee, @RequestParam(name = "admissionalDate") @DateTimeFormat(pattern="dow mon dd hh:mm:ss zzz yyyy)) Date admissionalDate) 

But I always get, Bad Request error. I think the Date mapping is wrong, but I don't know how to do it right. Anyone know, how to map properly, this string to date?

Answer 1

To fix this Issue you have a couple of options:

1 Use Locale or a DateTime-Formatter

Use a DateTime-Formatter to send the String-Representation of the date and parse it APPROPRIATE on the other side to a date.

A very common Format for Timestamps is as already mentioned ISO-8601

2 Send another data-Type

you could send directly Date(s) or DateTimes

---

In your case it seems like the @DateTimeFormat(pattern="dow mon dd hh:mm:ss zzz yyyy) is incorrect.

Your output string is formatted as Mon Oct 15 00:00:00 BRT 2018 . The appropriate format for this String on the other side would be EEE MMM dd hh:mm:ss zzz yyyy .

For more information take a look inside the DateTimeFormatter-Docs .

Or take a look at another posts .