it.f2informatica.core.validator.ConsultantExperienceValidator.java Source code

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Here is the source code for it.f2informatica.core.validator.ConsultantExperienceValidator.java

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/*
 * =============================================================================
 *
 *   Copyright (c) 2014, Fernando Aspiazu
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 * =============================================================================
 */
package it.f2informatica.core.validator;

import it.f2informatica.core.model.ExperienceModel;
import org.joda.time.DateTime;
import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;

@Component
public class ConsultantExperienceValidator extends AbstractValidator {

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

    @Override
    public void validate(Object target, Errors errors) {
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "companyName", FIELD_MANDATORY);
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "position", FIELD_MANDATORY);
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "locality", FIELD_MANDATORY);
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "monthFrom", FIELD_MANDATORY);
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "yearFrom", FIELD_MANDATORY);
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "description", FIELD_MANDATORY);
        doFurtherValidations(target, errors);
    }

    private void doFurtherValidations(Object target, Errors errors) {
        if (errors.hasErrors()) {
            return;
        }

        ExperienceModel experience = (ExperienceModel) target;
        if (!experience.isCurrent()) {
            ValidationUtils.rejectIfEmptyOrWhitespace(errors, "monthTo", FIELD_MANDATORY);
            ValidationUtils.rejectIfEmptyOrWhitespace(errors, "yearTo", FIELD_MANDATORY);
            checkPeriodCorrectness(experience, errors);
        }
    }

    private void checkPeriodCorrectness(ExperienceModel experience, Errors errors) {
        DateTime periodFrom = new DateTime().withMonthOfYear(getMonth(experience.getMonthFrom()))
                .withYear(getYear(experience.getYearFrom()));
        DateTime periodTo = new DateTime().withMonthOfYear(getMonth(experience.getMonthTo()))
                .withYear(getYear(experience.getYearTo()));
        if (periodTo.isBefore(periodFrom)) {
            errors.rejectValue("monthTo", "experience.err.invalidperiods");
            errors.rejectValue("yearTo", "experience.err.invalidperiods");
        }
    }

    private int getMonth(String month) {
        return Integer.parseInt(month) + 1;
    }

    private int getYear(String year) {
        return Integer.parseInt(year);
    }

}