63 lines
2.3 KiB
Java
63 lines
2.3 KiB
Java
package eu.eudat.controllers.controllerhandler;
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import eu.eudat.models.errormodels.ValidationErrorContext;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.MessageSource;
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import org.springframework.context.i18n.LocaleContextHolder;
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import org.springframework.http.HttpStatus;
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import org.springframework.validation.BindingResult;
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import org.springframework.validation.FieldError;
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import org.springframework.web.bind.MethodArgumentNotValidException;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.bind.annotation.ResponseStatus;
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import java.util.List;
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import java.util.Locale;
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@ControllerAdvice
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public class ControllerErrorHandler {
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private MessageSource messageSource;
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@Autowired
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public ControllerErrorHandler(MessageSource messageSource) {
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this.messageSource = messageSource;
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}
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@ExceptionHandler(MethodArgumentNotValidException.class)
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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@ResponseBody
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public ValidationErrorContext processValidationError(MethodArgumentNotValidException ex) {
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BindingResult result = ex.getBindingResult();
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List<FieldError> fieldErrors = result.getFieldErrors();
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return processFieldErrors(fieldErrors);
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}
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private ValidationErrorContext processFieldErrors(List<FieldError> fieldErrors) {
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ValidationErrorContext dto = new ValidationErrorContext();
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for (FieldError fieldError : fieldErrors) {
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String localizedErrorMessage = resolveLocalizedErrorMessage(fieldError);
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dto.addFieldError(fieldError.getField(), localizedErrorMessage);
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}
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return dto;
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}
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private String resolveLocalizedErrorMessage(FieldError fieldError) {
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Locale currentLocale = LocaleContextHolder.getLocale();
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String localizedErrorMessage = messageSource.getMessage(fieldError, currentLocale);
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if (localizedErrorMessage.equals(fieldError.getDefaultMessage())) {
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String[] fieldErrorCodes = fieldError.getCodes();
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localizedErrorMessage = fieldErrorCodes[0];
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}
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return localizedErrorMessage;
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}
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}
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