Create DaVinciInfoserverParser stub (#50)

parser/src/main/java/me/vertretungsplan/parser/BaseParser.java

@@ -138,6 +138,9 @@ public static BaseParser getInstance(SubstitutionScheduleData data, @Nullable Co
             case "davinci":
                 parser = new DaVinciParser(data, cookieProvider);
                 break;
+            case "davinci-infoserver":
+                parser = new DaVinciInfoserverParser(data, cookieProvider);
+                break;
             case "eschool":
                 parser = new ESchoolParser(data, cookieProvider);
                 break;

parser/src/main/java/me/vertretungsplan/parser/DaVinciInfoserverParser.java

@@ -0,0 +1,53 @@
+/*
+ * substitution-schedule-parser - Java library for parsing schools' substitution schedules
+ * Copyright (c) 2017 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.SubstitutionSchedule;
+import me.vertretungsplan.objects.SubstitutionScheduleData;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * Parser for substitution schedules created by the <a href="http://davinci.stueber.de/">DaVinci</a> software and
+ * hosted on their <a href="https://davinci.stueber.de/davinci-infoserver.php">InfoServer</a>.
+ * <p>
+ * This parser can be accessed using <code>"davinci-infoserver"</code> for
+ * {@link SubstitutionScheduleData#setApi(String)}.
+ *
+ * <h4>Configuration parameters</h4>
+ * These parameters can be supplied in {@link SubstitutionScheduleData#setData(JSONObject)} to configure the parser:
+ *
+ * <dl>
+ * <dt><code>url</code> (String, required)</dt>
+ * <dd>The URL of the home page of the DaVinci HTML export can be found. This can either be a schedule for a single
+ * day or an overview page with a selection of classes or days (in both calendar and list views)</dd>
+ * </dl>
+ */
+public class DaVinciInfoserverParser extends BaseParser {
+    DaVinciInfoserverParser(SubstitutionScheduleData scheduleData, CookieProvider cookieProvider) {
+        super(scheduleData, cookieProvider);
+    }
+
+    @Override public SubstitutionSchedule getSubstitutionSchedule()
+            throws IOException, JSONException, CredentialInvalidException {
+        return null;
+    }
+
+    @Override public List<String> getAllClasses() throws IOException, JSONException, CredentialInvalidException {
+        return null;
+    }
+
+    @Override public List<String> getAllTeachers() throws IOException, JSONException, CredentialInvalidException {
+        return null;
+    }
+}