Java tutorial
/** * Copyright (C) 2015 Thomas Volk * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package de.thomasvolk.genexample.model; import org.apache.commons.csv.CSVFormat; import org.apache.commons.csv.CSVRecord; import org.apache.commons.lang3.StringUtils; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import java.util.ArrayList; import java.util.Iterator; import java.util.List; public class CSVPassagierFactory extends AbstractPassagierFactory { @Override protected List<Passagier> lesePassagiere(InputStream is, int anzahl) throws IOException { List<Passagier> passagiere = new ArrayList<>(); Reader in = new InputStreamReader(is); Iterator<CSVRecord> records = CSVFormat.EXCEL.withHeader().parse(in).iterator(); int i = 0; while (records.hasNext() && i < anzahl) { CSVRecord record = records.next(); i++; int fahrtrichtung = getWertung(record.get(IN_FAHRTRICHTUNG)); int fensterplatz = getWertung(record.get(FENSTERPLATZ)); int abteil = getWertung(record.get(ABTEIL)); Wertung wertung = new Wertung(fensterplatz, abteil, fahrtrichtung); passagiere.add(new Passagier(i, wertung)); } return passagiere; } }