Java tutorial
/** * Copyright 2002 Instituto Superior Tcnico * * This file is part of FenixEdu Core. * * FenixEdu Core 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 Core 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 Core. If not, see <http://www.gnu.org/licenses/>. */ package net.sourceforge.fenixedu.domain; import java.util.Collection; import java.util.Comparator; import java.util.TreeSet; import net.sourceforge.fenixedu.domain.exceptions.DomainException; import org.apache.commons.lang.StringUtils; import org.fenixedu.bennu.core.domain.Bennu; import org.fenixedu.commons.StringNormalizer; //TODO: Refactor remaining object to use district subdivision instead of strings public class DistrictSubdivision extends DistrictSubdivision_Base { public static Comparator<DistrictSubdivision> COMPARATOR_BY_NAME = new Comparator<DistrictSubdivision>() { @Override public int compare(DistrictSubdivision leftDistrictSubdivision, DistrictSubdivision rightDistrictSubdivision) { int comparationResult = leftDistrictSubdivision.getName().compareTo(rightDistrictSubdivision.getName()); return (comparationResult == 0) ? leftDistrictSubdivision.getExternalId().compareTo(rightDistrictSubdivision.getExternalId()) : comparationResult; } }; private DistrictSubdivision() { super(); super.setRootDomainObject(Bennu.getInstance()); } public DistrictSubdivision(final String code, final String name, final District district) { this(); init(code, name, district); } private void init(final String code, final String name, final District district) { checkParameters(code, name, district); super.setCode(code); super.setName(name); super.setDistrict(district); } private void checkParameters(String code, String name, District district) { if (code == null) { throw new DomainException( "error.net.sourceforge.fenixedu.domain.DistrictSubdivision.code.cannot.be.null"); } if (name == null) { throw new DomainException( "error.net.sourceforge.fenixedu.domain.DistrictSubdivision.name.cannot.be.null"); } if (district == null) { throw new DomainException( "error.net.sourceforge.fenixedu.domain.DistrictSubdivision.district.cannot.be.null"); } } static public Collection<DistrictSubdivision> findByName(String name, int size) { String normalizedName = StringNormalizer.normalize(name); Collection<DistrictSubdivision> result = new TreeSet<DistrictSubdivision>(COMPARATOR_BY_NAME); for (DistrictSubdivision districtSubdivision : Bennu.getInstance().getDistrictSubdivisionsSet()) { if (StringNormalizer.normalize(districtSubdivision.getName()).contains(normalizedName)) { result.add(districtSubdivision); if (result.size() >= size) { break; } } } return result; } static public DistrictSubdivision readByCode(final String code) { DistrictSubdivision result = null; if (!StringUtils.isEmpty(code)) { for (final DistrictSubdivision iter : Bennu.getInstance().getDistrictSubdivisionsSet()) { if (iter.getCode().equalsIgnoreCase(code)) { result = iter; } } } return result; } }