edu.northwestern.bioinformatics.studycalendar.xml.writers.ActivityReferenceXmlSerializer.java Source code

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Here is the source code for edu.northwestern.bioinformatics.studycalendar.xml.writers.ActivityReferenceXmlSerializer.java

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/*L
 * Copyright Northwestern University.
 *
 * Distributed under the OSI-approved BSD 3-Clause License.
 * See http://ncip.github.io/psc/LICENSE.txt for details.
 */

package edu.northwestern.bioinformatics.studycalendar.xml.writers;

import edu.northwestern.bioinformatics.studycalendar.StudyCalendarValidationException;
import edu.northwestern.bioinformatics.studycalendar.domain.Activity;
import edu.northwestern.bioinformatics.studycalendar.domain.Source;
import edu.northwestern.bioinformatics.studycalendar.xml.AbstractStudyCalendarXmlSerializer;
import edu.northwestern.bioinformatics.studycalendar.xml.XsdAttribute;
import edu.northwestern.bioinformatics.studycalendar.xml.XsdElement;
import org.apache.commons.lang.StringUtils;
import org.dom4j.Element;

import static org.apache.commons.lang.StringUtils.isBlank;

public class ActivityReferenceXmlSerializer extends AbstractStudyCalendarXmlSerializer<Activity> {
    @Override
    public Element createElement(Activity a) {
        if (a.getCode() == null) {
            throw new StudyCalendarValidationException("Activity code is required for serialization");
        }
        if (a.getSource() == null) {
            throw new StudyCalendarValidationException("Activity source is required for serialization");
        }

        Element aElt = XsdElement.ACTIVITY_REFERENCE.create();
        XsdAttribute.ACTIVITY_CODE.addTo(aElt, a.getCode());
        XsdAttribute.ACTIVITY_SOURCE.addTo(aElt, a.getSource().getNaturalKey());
        return aElt;
    }

    @Override
    public Activity readElement(Element element) {
        Activity activity = new Activity();

        String code = XsdAttribute.ACTIVITY_CODE.from(element);
        if (isBlank(code)) {
            throw new StudyCalendarValidationException("Activity code is required for %s",
                    XsdElement.ACTIVITY_REFERENCE.xmlName());
        } else {
            activity.setCode(code);
        }

        String sourceName = XsdAttribute.ACTIVITY_SOURCE.from(element);
        if (isBlank(sourceName)) {
            throw new StudyCalendarValidationException("Source is required for %s",
                    XsdElement.ACTIVITY_REFERENCE.xmlName());
        } else {
            Source source = new Source();
            source.setName(sourceName);
            activity.setSource(source);
        }

        return activity;
    }

    public boolean validateElement(Activity activity, Element element) {
        boolean valid = true;
        if (element == null && activity == null) {
            return true;
        } else if ((element != null && activity == null) || (activity != null && element == null)) {
            return false;
        } else if (!StringUtils.equals(activity.getCode(), XsdAttribute.ACTIVITY_CODE.from(element))) {
            valid = false;
        }

        if ((activity.getSource() == null && XsdAttribute.ACTIVITY_SOURCE.from(element) != null)
                || (activity.getSource() != null && XsdAttribute.ACTIVITY_SOURCE.from(element) == null)
                || (!StringUtils.equals(activity.getSource().getName(),
                        XsdAttribute.ACTIVITY_SOURCE.from(element)))) {
            valid = false;
        }

        return valid;
    }
}