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Java library for parsing schools' substitution schedules. Supports multiple different systems mainly used in the German-speaking countries.

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/*
 * substitution-schedule-parser - Java library for parsing schools' substitution schedules
 * Copyright (c) 2016 Johan v. Forstner
 *
 * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
 * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

package me.vertretungsplan.parser;

import me.vertretungsplan.exception.CredentialInvalidException;
import me.vertretungsplan.objects.Substitution;
import me.vertretungsplan.objects.SubstitutionSchedule;
import me.vertretungsplan.objects.SubstitutionScheduleData;
import me.vertretungsplan.objects.SubstitutionScheduleDay;
import org.apache.http.client.fluent.Request;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * Generischer Parser für Vertretungspläne im CSV-Format
 * Beispiel: http://czg.noxxi.de/vp.pl?/csv
 */
public class CSVParser extends BaseParser {

    private JSONObject data;

    public CSVParser(SubstitutionScheduleData scheduleData, CookieProvider cookieProvider) {
        super(scheduleData, cookieProvider);
        data = scheduleData.getData();
    }

    @Override
    public SubstitutionSchedule getSubstitutionSchedule() throws IOException, JSONException,
            CredentialInvalidException {
        new LoginHandler(scheduleData, credential, cookieProvider).handleLogin(executor, cookieStore);
        String url = data.getString("url");
        String response = executor.execute(Request.Get(url)).returnContent().asString();

        SubstitutionSchedule schedule = SubstitutionSchedule.fromData(scheduleData);

        String[] lines = response.split("\n");

        String separator = data.getString("separator");
        for (int i = data.optInt("skipLines", 0); i getAllClasses() throws IOException, JSONException {
        if (data.has("classesUrl")) {
            String url = data.getString("classesUrl");
            String response = executor.execute(Request.Get(url)).returnContent().asString();
            List classes = new ArrayList<>();
            for (String string:response.split("\n")) {
                classes.add(string.trim());
            }
            return classes;
        } else {
            JSONArray classesJson = data.getJSONArray("classes");
            List classes = new ArrayList<>();
            for (int i = 0; i < classesJson.length(); i++) {
                classes.add(classesJson.getString(i));
            }
            return classes;
        }
    }

    @Override
    public List getAllTeachers() {
        return null;
    }
}