cz.muni.fi.dndtroopsweb.validation.TroopCreateDTOValidator.java Source code

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Here is the source code for cz.muni.fi.dndtroopsweb.validation.TroopCreateDTOValidator.java

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package cz.muni.fi.dndtroopsweb.validation;

import cz.muni.fi.dndtroopsapi.dto.TroopCreateDTO;
import java.math.BigDecimal;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

/**
 *
 * @author Karel Auf
 */
public class TroopCreateDTOValidator implements Validator {

    @Override
    public boolean supports(Class<?> clazz) {
        return TroopCreateDTO.class.isAssignableFrom(clazz);
    }

    /**
     * Validates data for about to be created troop
     */
    @Override
    public void validate(Object target, Errors errors) {
        TroopCreateDTO troopCreateDTO = (TroopCreateDTO) target;
        if (troopCreateDTO.getName() == null || troopCreateDTO.getName().length() < 3) {
            errors.rejectValue("name", "TroopCreateDTOValidator.bad.name");
        }
        try {
            if (troopCreateDTO.getMoney() == null
                    || (troopCreateDTO.getMoney().compareTo(new BigDecimal("0"))) == -1) {
                errors.rejectValue("money", "TroopCreateDTOValidator.bad.money");
            }
        } catch (Exception e) {
            errors.rejectValue("money", "TroopCreateDTOValidator.bad.money");
        }

        if (troopCreateDTO.getMission() == null || troopCreateDTO.getMission().length() < 3) {
            errors.rejectValue("mission", "TroopCreateDTOValidator.bad.mission");
        }
    }

}