DegreesForExecutionYear.java

/**
 * Copyright © 2002 Instituto Superior Técnico
 *
 * This file is part of FenixEdu Academic.
 *
 * FenixEdu Academic is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FenixEdu Academic 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with FenixEdu Academic.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.fenixedu.academic.ui.renderers.providers.lists;

import java.util.SortedSet;
import java.util.TreeSet;

import org.fenixedu.academic.domain.Degree;
import org.fenixedu.academic.domain.ExecutionDegree;
import org.fenixedu.academic.domain.ExecutionYear;
import org.fenixedu.academic.domain.degree.DegreeType;
import org.fenixedu.academic.dto.academicAdministration.DegreeByExecutionYearBean;

import pt.ist.fenixWebFramework.rendererExtensions.converters.DomainObjectKeyConverter;
import pt.ist.fenixWebFramework.renderers.DataProvider;
import pt.ist.fenixWebFramework.renderers.components.converters.Converter;

public class DegreesForExecutionYear implements DataProvider {

    @Override
    public Object provide(Object source, Object currentValue) {

        final SortedSet<Degree> result = new TreeSet<Degree>(Degree.COMPARATOR_BY_DEGREE_TYPE_AND_NAME_AND_ID);
        final DegreeByExecutionYearBean chooseDegreeBean = (DegreeByExecutionYearBean) source;

        for (final Degree degree : chooseDegreeBean.getAdministratedDegrees()) {
            if (matchesExecutionYear(degree, chooseDegreeBean.getExecutionYear())
                    && matchesDegreeType(degree, chooseDegreeBean.getDegreeType())) {
                result.add(degree);
            }
        }

        return result;

    }

    private boolean matchesDegreeType(Degree degree, DegreeType degreeType) {
        return degreeType == null || degree.getDegreeType() == degreeType;
    }

    private boolean matchesExecutionYear(Degree degree, ExecutionYear executionYear) {
        if (executionYear == null) {
            return true;
        }

        for (final ExecutionDegree executionDegree : executionYear.getExecutionDegreesSet()) {
            if (executionDegree.getDegree() == degree) {
                return true;
            }
        }

        return false;
    }

    @Override
    public Converter getConverter() {
        return new DomainObjectKeyConverter();
    }

}