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Added Validator folder in the MVCPractice section of a small course on Java EE

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Lines changed: 30 additions & 0 deletions

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	`1`	`+package AirportSimulator.Validator;`
	`2`	`+`
	`3`	`+import AirportSimulator.DTO.CreateUserDto;`
	`4`	`+import AirportSimulator.Entity.EntityEnum.Gender;`
	`5`	`+import AirportSimulator.Util.LocalDateFormatter;`
	`6`	`+import lombok.AccessLevel;`
	`7`	`+import lombok.NoArgsConstructor;`
	`8`	`+`
	`9`	`+@NoArgsConstructor(access = AccessLevel.PRIVATE)`
	`10`	`+public class CreateUserValidator implements Validator<CreateUserDto>{`
	`11`	`+`
	`12`	`+ private static final CreateUserValidator INSTANCE = new CreateUserValidator();`
	`13`	`+`
	`14`	`+ public static CreateUserValidator getInstance() {`
	`15`	`+ return INSTANCE;`
	`16`	`+ }`
	`17`	`+ /* Проверяем на валидность - правильность введенную дату и пол */`
	`18`	`+ @Override`
	`19`	`+ public ValidationResult isValid(CreateUserDto object) {`
	`20`	`+ ValidationResult validationResult = new ValidationResult();`
	`21`	`+ if (!LocalDateFormatter.isValid(object.getBirthday())){`
	`22`	`+ validationResult.addErrors(Error.of("invalid.birthday","Birthday is invalid"));`
	`23`	`+ }`
	`24`	`+ if (object.getGender() == null \|\| Gender.valueOf(object.getGender()) == null) {`
	`25`	`+ validationResult.addErrors(Error.of("invalid.gender","Gender is invalid"));`
	`26`	`+ }`
	`27`	`+`
	`28`	`+ return validationResult;`
	`29`	`+ }`
	`30`	`+}`

Lines changed: 9 additions & 0 deletions

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	`1`	`+package AirportSimulator.Validator;`
	`2`	`+/* Класс описывающий ошибки при валидации */`
	`3`	`+import lombok.Value;`
	`4`	`+`
	`5`	`+@Value(staticConstructor = "of")`
	`6`	`+public class Error {`
	`7`	`+ private String code;`
	`8`	`+ private String message;`
	`9`	`+}`

Lines changed: 19 additions & 0 deletions

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	`1`	`+package AirportSimulator.Validator;`
	`2`	`+`
	`3`	`+import lombok.Getter;`
	`4`	`+`
	`5`	`+import java.util.ArrayList;`
	`6`	`+import java.util.List;`
	`7`	`+`
	`8`	`+public class ValidationResult {`
	`9`	`+ @Getter`
	`10`	`+ private List<Error> errors = new ArrayList<>();`
	`11`	`+`
	`12`	`+ public void addErrors(Error find_error) {`
	`13`	`+ this.errors.add(find_error);`
	`14`	`+ }`
	`15`	`+`
	`16`	`+ public boolean isValid(){`
	`17`	`+ return errors.isEmpty();`
	`18`	`+ }`
	`19`	`+}`

Lines changed: 5 additions & 0 deletions

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	`1`	`+package AirportSimulator.Validator;`
	`2`	`+`
	`3`	`+public interface Validator <T>{`
	`4`	`+ ValidationResult isValid(T object);`
	`5`	`+}`

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