package net.sourceforge.fenixedu.presentationTier.renderers.providers;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import net.sourceforge.fenixedu.domain.time.calendarStructure.AcademicInterval;
import net.sourceforge.fenixedu.domain.time.calendarStructure.AcademicPeriod;
import net.sourceforge.fenixedu.presentationTier.renderers.converters.AcademicIntervalConverter;
import pt.ist.fenixWebFramework.renderers.DataProvider;
import pt.ist.fenixWebFramework.renderers.components.converters.Converter;

public class FutureAndCurrentAcademicIntervalYears implements DataProvider {
    @Override
    public Converter getConverter() {
        return new AcademicIntervalConverter();
    }

    @Override
    public Object provide(Object source, Object current) {
        List<AcademicInterval> result = new ArrayList<AcademicInterval>();

        for (AcademicInterval year = AcademicInterval.readDefaultAcademicInterval(AcademicPeriod.YEAR); year != null; year =
                year.getNextAcademicInterval()) {
            result.add(year);
        }
        Collections.sort(result, AcademicInterval.COMPARATOR_BY_BEGIN_DATE);
        return result;
    }
}