org.codeqinvest.web.project.ProjectValidator.java Source code

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Here is the source code for org.codeqinvest.web.project.ProjectValidator.java

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/*
 * Copyright 2013 - 2014 Felix Mller
 *
 * This file is part of CodeQ Invest.
 *
 * CodeQ Invest is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * CodeQ Invest is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with CodeQ Invest.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.codeqinvest.web.project;

import com.google.common.base.Strings;
import org.codeqinvest.quality.Project;
import org.codeqinvest.quality.repository.ProjectRepository;
import org.codeqinvest.quality.repository.QualityProfileRepository;
import org.codeqinvest.web.validation.ValidationHelper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.support.CronTrigger;
import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * This validator implementation can be used to validate
 * a binded {@link org.codeqinvest.quality.Project} instance.
 *
 * @author fmueller
 */
@Component
class ProjectValidator implements Validator {

    private final ProjectRepository projectRepository;
    private final QualityProfileRepository profileRepository;
    private final SonarConnectionSettingsValidator sonarConnectionSettingsValidator;
    private final ScmConnectionSettingsValidator scmConnectionSettingsValidator;
    private final CodeChangeSettingsValidator codeChangeSettingsValidator;

    @Autowired
    ProjectValidator(ProjectRepository projectRepository, QualityProfileRepository profileRepository,
            SonarConnectionSettingsValidator sonarConnectionSettingsValidator,
            ScmConnectionSettingsValidator scmConnectionSettingsValidator,
            CodeChangeSettingsValidator codeChangeSettingsValidator) {
        this.projectRepository = projectRepository;
        this.profileRepository = profileRepository;
        this.sonarConnectionSettingsValidator = sonarConnectionSettingsValidator;
        this.scmConnectionSettingsValidator = scmConnectionSettingsValidator;
        this.codeChangeSettingsValidator = codeChangeSettingsValidator;
    }

    /**
     * This validator only supports {@link org.codeqinvest.quality.Project} type.
     */
    @Override
    public boolean supports(Class<?> clazz) {
        return Project.class.equals(clazz);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void validate(Object target, Errors errors) {
        ValidationHelper.rejectIfEmptyOrWhitespace(errors, "name");
        ValidationHelper.rejectIfEmptyOrWhitespace(errors, "cronExpression");
        ValidationHelper.rejectIfEmpty(errors, "profile");
        ValidationHelper.rejectIfEmpty(errors, "sonarConnectionSettings");
        ValidationHelper.rejectIfEmpty(errors, "scmSettings");
        ValidationHelper.rejectIfEmpty(errors, "codeChangeSettings");

        Project project = (Project) target;
        validateUniqueName(project, errors);
        validateCronExpression(project, errors);
        validateThatQualityProfileExists(project, errors);
        validateSonarConnectionSettings(project, errors);
        validateScmSettings(project, errors);
        validateCodeChangeSettings(project, errors);
    }

    private void validateUniqueName(Project project, Errors errors) {
        if (!Strings.isNullOrEmpty(project.getName())
                && projectRepository.findOneByLowercaseName(project.getLowercaseName()) != null) {
            errors.rejectValue("name", "not.unique");
        }
    }

    private void validateCronExpression(Project project, Errors errors) {
        if (!Strings.isNullOrEmpty(project.getCronExpression())) {
            try {
                new CronTrigger(project.getCronExpression());
            } catch (IllegalArgumentException e) {
                errors.rejectValue("cronExpression", "non.valid.cron");
            }
        }
    }

    private void validateThatQualityProfileExists(Project project, Errors errors) {
        if (project.getProfile() != null && project.getProfile().getId() != null
                && !profileRepository.exists(project.getProfile().getId())) {
            errors.rejectValue("profile", "quality.profile.not.exists");
        }
    }

    private void validateSonarConnectionSettings(Project project, Errors errors) {
        if (project.getSonarConnectionSettings() != null) {
            try {
                errors.pushNestedPath("sonarConnectionSettings");
                ValidationUtils.invokeValidator(sonarConnectionSettingsValidator,
                        project.getSonarConnectionSettings(), errors);
            } finally {
                errors.popNestedPath();
            }
        }
    }

    private void validateScmSettings(Project project, Errors errors) {
        if (project.getScmSettings() != null) {
            try {
                errors.pushNestedPath("scmSettings");
                ValidationUtils.invokeValidator(scmConnectionSettingsValidator, project.getScmSettings(), errors);
            } finally {
                errors.popNestedPath();
            }
        }
    }

    private void validateCodeChangeSettings(Project project, Errors errors) {
        if (project.getCodeChangeSettings() != null) {
            try {
                errors.pushNestedPath("codeChangeSettings");
                ValidationUtils.invokeValidator(codeChangeSettingsValidator, project.getCodeChangeSettings(),
                        errors);
            } finally {
                errors.popNestedPath();
            }
        }
    }
}