@ExceptionHandler(MethodArgumentNotValidException.class)
@ResponseBody
public ResponseEntity<ErrorMessage> handleValidationException(MethodArgumentNotValidException e) {
List<ObjectError> errors = e.getBindingResult().getAllErrors();
List<String> messages = new ArrayList<String>();
// WebServiceError webServiceError =
// WebServiceError.build(WebServiceError.Type.VALIDATION_ERROR, errors.get(0).getObjectName() +
// " " + errors.get(0).getDefaultMessage());
for (ObjectError error : errors) {
if (error instanceof FieldError) {
FieldError fieldError = (FieldError) error;
messages.add(
fieldError.getField()
+ " "
+ fieldError.getRejectedValue()
+ " "
+ error.getDefaultMessage());
} else {
messages.add(error.toString());
}
}
return new ResponseEntity<ErrorMessage>(new ErrorMessage(messages), HttpStatus.BAD_REQUEST);
}
@RequestMapping(value = "/register", method = RequestMethod.POST)
public @ResponseBody UserJsonResponse handleRegistration(
@Valid @RequestBody User user,
BindingResult result,
Locale locale,
Model model,
HttpServletRequest request) {
logger.info(user.toString());
UserJsonResponse userJsonResponse = new UserJsonResponse();
if (request.getSession().getAttribute("loggedIn") != null) {
userJsonResponse.setStatus("SUCCESS");
return userJsonResponse;
}
if (result.hasErrors()) {
Map<String, String> errors = new HashMap<String, String>();
List<FieldError> fieldErrors = result.getFieldErrors();
for (FieldError fieldError : fieldErrors) {
String[] resolveMessageCodes = result.resolveMessageCodes(fieldError.getCode());
String string = resolveMessageCodes[0];
// System.out.println("resolveMessageCodes : "+string);
String message =
messageSource.getMessage(
string + "." + fieldError.getField(),
new Object[] {fieldError.getRejectedValue()},
locale);
// System.out.println("Meassage : "+message);
errors.put(fieldError.getField(), message);
}
userJsonResponse.setStatus("ERROR");
userJsonResponse.setErrorsMap(errors);
return userJsonResponse;
}
UserDAO userDao = (UserDAO) context.getBean("userDao");
if (userDao.get(user.getUsername()) != null) {
return handleError(userJsonResponse, "username", locale);
} else if (userDao.getUserBySerialNumber(user.getSerialNumber()) != null) {
return handleError(userJsonResponse, "serialNumber", locale);
} else {
String hash = DaoHelper.getInstance().getPasswordHashing().getHashAndSalt(user.getPassword());
user.setHash(hash);
user.setRole("Student");
Student student = new Student(user);
student.setSubscriptionDate(new Date());
logger.info(student.toString());
userDao.create(student);
userJsonResponse.setStatus("SUCCESS");
return userJsonResponse;
}
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!super.equals(other)) {
return false;
}
FieldError otherError = (FieldError) other;
return (getField().equals(otherError.getField())
&& ObjectUtils.nullSafeEquals(getRejectedValue(), otherError.getRejectedValue())
&& isBindingFailure() == otherError.isBindingFailure());
}
private void handleFieldErrors(Exception e) {
if (e.getCause() instanceof BindException) {
BindException be = (BindException) e.getCause();
for (FieldError error : be.getFieldErrors()) {
logger.error(
String.format(
"the value '%s' is not allowed for property '%s'",
error.getRejectedValue(), error.getField()));
}
} else {
e.printStackTrace();
}
System.exit(1);
}
/**
* Builds an error message from the web parameters binding result if there're errors.
*
* @param bindingResult
* @return
*/
protected final String errorFromBindingResult(BindingResult bindingResult) {
StringBuilder sb = new StringBuilder();
for (FieldError fe : bindingResult.getFieldErrors()) {
Object rejectedVal = fe.getRejectedValue();
if (rejectedVal instanceof Object[]) {
if (((Object[]) rejectedVal).length > 0) {
rejectedVal = Arrays.toString((Object[]) rejectedVal);
} else {
rejectedVal = "empty array";
}
}
sb.append(fe.getField() + " was '" + rejectedVal + "'; " + fe.getDefaultMessage() + ". ");
}
return sb.toString();
}
/**
* Binds the given source object to the given target object performing type conversion if
* necessary
*
* @param domain The GrailsDomainClass instance
* @param object The object to bind to
* @param source The source object
* @param include The list of properties to include
* @param exclude The list of properties to exclude
* @param filter The prefix to filter by
* @see grails.core.GrailsDomainClass
* @return A BindingResult or null if it wasn't successful
*/
@SuppressWarnings("unchecked")
public static BindingResult bindObjectToDomainInstance(
GrailsDomainClass domain,
Object object,
Object source,
List include,
List exclude,
String filter) {
BindingResult bindingResult = null;
GrailsApplication grailsApplication = null;
if (domain != null) {
grailsApplication = domain.getApplication();
}
if (grailsApplication == null) {
grailsApplication = Holders.findApplication();
}
try {
final DataBindingSource bindingSource =
createDataBindingSource(grailsApplication, object.getClass(), source);
final DataBinder grailsWebDataBinder = getGrailsWebDataBinder(grailsApplication);
grailsWebDataBinder.bind(object, bindingSource, filter, include, exclude);
} catch (InvalidRequestBodyException e) {
String messageCode = "invalidRequestBody";
Class objectType = object.getClass();
String defaultMessage = "An error occurred parsing the body of the request";
String[] codes = getMessageCodes(messageCode, objectType);
bindingResult = new BeanPropertyBindingResult(object, objectType.getName());
bindingResult.addError(
new ObjectError(bindingResult.getObjectName(), codes, null, defaultMessage));
} catch (Exception e) {
bindingResult = new BeanPropertyBindingResult(object, object.getClass().getName());
bindingResult.addError(new ObjectError(bindingResult.getObjectName(), e.getMessage()));
}
if (domain != null && bindingResult != null) {
BindingResult newResult = new ValidationErrors(object);
for (Object error : bindingResult.getAllErrors()) {
if (error instanceof FieldError) {
FieldError fieldError = (FieldError) error;
final boolean isBlank = BLANK.equals(fieldError.getRejectedValue());
if (!isBlank) {
newResult.addError(fieldError);
} else if (domain.hasPersistentProperty(fieldError.getField())) {
final boolean isOptional = domain.getPropertyByName(fieldError.getField()).isOptional();
if (!isOptional) {
newResult.addError(fieldError);
}
} else {
newResult.addError(fieldError);
}
} else {
newResult.addError((ObjectError) error);
}
}
bindingResult = newResult;
}
MetaClass mc = GroovySystem.getMetaClassRegistry().getMetaClass(object.getClass());
if (mc.hasProperty(object, "errors") != null && bindingResult != null) {
ValidationErrors errors = new ValidationErrors(object);
errors.addAllErrors(bindingResult);
mc.setProperty(object, "errors", errors);
}
return bindingResult;
}
