package net.sourceforge.solexatools.validation;

import net.sourceforge.seqware.common.business.StudyService;
import net.sourceforge.seqware.common.model.Study;

import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * <p>
 * StudyValidator class.
 * </p>
 * 
 * @author boconnor
 * @version $Id: $Id
 */
public class StudyValidator implements Validator {
    private StudyService studyService;

    /**
     * <p>
     * Constructor for StudyValidator.
     * </p>
     */
    public StudyValidator() {
        super();
    }

    /**
     * {@inheritDoc}
     * 
     * @param clazz
     * @return
     */
    @SuppressWarnings("rawtypes")
    @Override
    public boolean supports(Class clazz) {
        return Study.class.equals(clazz);
    }

    /**
     * {@inheritDoc}
     * 
     * Validates the specified Object.
     * 
     * @param obj
     * @param errors
     */
    @Override
    public void validate(Object obj, Errors errors) {
        Study study = (Study) obj;
        ValidationUtils.rejectIfEmpty(errors, "title", "study.required.title");
        this.validateTitle(study, errors);

        ValidationUtils.rejectIfEmpty(errors, "existingTypeInt", "study.required.existingTypeInt");
        ValidationUtils.rejectIfEmpty(errors, "centerName", "study.required.centerName");
        ValidationUtils.rejectIfEmpty(errors, "centerProjectName", "study.required.centerProjectName");
    }

    /**
     * Determines if the experiment's email address and confirm email address match.
     * 
     * @param errors
     *            Errors object for validation errors
     * @param study
     *            a {@link net.sourceforge.seqware.common.model.Study} object.
     */
    public void validateTitle(Study study, Errors errors) {
        if (errors.getFieldError("title") == null) {
            /* The individual fields have passed validation. */
            if (this.getStudyService().findByTitle(study.getTitle()) != null) {
                errors.reject("error.match.title");
            }
        }
    }

    /**
     * <p>
     * Getter for the field <code>studyService</code>.
     * </p>
     * 
     * @return a {@link net.sourceforge.seqware.common.business.StudyService} object.
     */
    public StudyService getStudyService() {
        return studyService;
    }

    /**
     * <p>
     * Setter for the field <code>studyService</code>.
     * </p>
     * 
     * @param studyService
     *            a {@link net.sourceforge.seqware.common.business.StudyService} object.
     */
    public void setStudyService(StudyService studyService) {
        this.studyService = studyService;
    }
}

// ex:sw=4:ts=4: