--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhstate/TkhExporter.java	Tue Mar 13 09:55:53 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhstate/TkhExporter.java	Tue Mar 13 18:49:33 2018 +0100
@@ -8,17 +8,10 @@
 
 package org.dive4elements.river.artifacts.sinfo.tkhstate;
 
-import java.text.DateFormat;
-import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Date;
-import java.util.Locale;
 
-import org.apache.commons.lang.math.DoubleRange;
 import org.apache.log4j.Logger;
-import org.dive4elements.river.FLYS;
-import org.dive4elements.river.artifacts.resources.Resources;
 import org.dive4elements.river.artifacts.sinfo.SInfoI18NStrings;
 import org.dive4elements.river.artifacts.sinfo.common.AbstractSInfoExporter;
 import org.dive4elements.river.artifacts.sinfo.util.MetaAndTableJRDataSource;
@@ -64,31 +57,7 @@
     protected void writeCSVGlobalMetadata(final CSVWriter writer, final TkhCalculationResults results) {
         log.info("TkhExporter.writeCSVMeta");
 
-        final String calcModeLabel = results.getCalcModeLabel();
-        final RiverInfo river = results.getRiver();
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_HEADER_RESULT, msg(SInfoI18NStrings.CSV_META_HEADER_RESULT_LABEL), river.getName(), calcModeLabel);
-
-        // "# FLYS-Version: "
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_VERSION, msg(SInfoI18NStrings.CSV_META_VERSION_LABEL), FLYS.VERSION);
-
-        // "# Bearbeiter: "
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_USER, msg(SInfoI18NStrings.CSV_META_USER_LABEL), results.getUser());
-
-        // "# Datum der Erstellung: "
-        final Locale locale = Resources.getLocale(this.context.getMeta());
-        final DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_CREATION, msg(SInfoI18NStrings.CSV_META_CREATION_LABEL), df.format(new Date()));
-
-        // "# Gewässer: "
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_RIVER, msg(SInfoI18NStrings.CSV_META_RIVER_LABEL), river.getName());
-
-        // "# Höhensystem des Flusses: "
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_HEIGHT_UNIT_RIVER, river.getWstUnit());
-
-        // "# Ort/Bereich (km): "
-        final DoubleRange calcRange = results.getCalcRange();
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_RANGE, msg(SInfoI18NStrings.CSV_META_RANGE_LABEL),
-                getKmFormatter().format(calcRange.getMinimumDouble()), getKmFormatter().format(calcRange.getMaximumDouble()));
+        super.writeCSVGlobalMetadataDefaults(writer, results);
 
         // "# Berechnungsgrundlage: Gleichung nach GILL (1971)"
         writeCSVMetaEntry(writer, CSV_META_CALCULATION_FORMULA);
@@ -128,17 +97,12 @@
     // FIXME: rename
     protected void writeCSVResultMetadata(final CSVWriter writer, final TkhCalculationResults results, final TkhCalculationResult result) {
 
-        /* first some specific metadata */
         final WstInfo wst = result.getWst();
+        super.writeCSVWaterlevelMetadata(writer, wst);
 
-        // "##METADATEN WASSERSPIEGELLAGE"
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_HEADER_WATERLEVEL);
-        // "# Bezeichnung der Wasserspiegellage: "
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_HEADER_WATERLEVEL_NAME, wst.getLabel());
-        // "# Bezugspegel: "
-        writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_HEADER_WATERLEVEL_GAUGE, wst.getGauge());
-        // // "# Jahr/Zeitraum der Wasserspiegellage: "
-        // writeCSVMetaEntry(writer, SInfoI18NStrings.CSV_META_HEADER_WATERLEVEL_YEAR, Integer.toString(wst.getYear()));
+        // TODO:
+        // "# W/Pegel [cm]: " (nur bei Eingabe des Wasserstands am Pegel)
+        // "# Q (m³/s): " (nur bei Eingabe des Durchflusses)
     }
 
     @Override
@@ -199,33 +163,8 @@
     @Override
     protected final void addJRMetaData(final MetaAndTableJRDataSource source, final TkhCalculationResults results) {
 
-        final RiverInfo river = results.getRiver();
-        final String wstUnitName = river.getWstUnit();
-
         /* general metadata */
-        source.addMetaData("header", msg(SInfoI18NStrings.CSV_META_HEADER_RESULT_LABEL));
-        source.addMetaData("calcMode", results.getCalcModeLabel());
-
-        source.addMetaData("version_label", msg(SInfoI18NStrings.CSV_META_VERSION_LABEL));
-        source.addMetaData("version", FLYS.VERSION);
-
-        source.addMetaData("user_label", msg(SInfoI18NStrings.CSV_META_USER_LABEL));
-        source.addMetaData("user", results.getUser());
-
-        final Locale locale = Resources.getLocale(this.context.getMeta());
-        final DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
-        source.addMetaData("date_label", msg(SInfoI18NStrings.CSV_META_CREATION_LABEL));
-        source.addMetaData("date", df.format(new Date()));
-
-        source.addMetaData("river_label", msg(SInfoI18NStrings.CSV_META_RIVER_LABEL));
-        source.addMetaData("river", river.getName());
-        source.addMetaData("river_unit", wstUnitName);
-
-        final DoubleRange calcRange = results.getCalcRange();
-        final NumberFormat kmFormatter = getKmFormatter();
-        final String rangeValue = String.format("%s - %s", kmFormatter.format(calcRange.getMinimumDouble()), kmFormatter.format(calcRange.getMaximumDouble()));
-        source.addMetaData("range_label", msg(SInfoI18NStrings.CSV_META_RANGE_LABEL));
-        source.addMetaData("range", rangeValue);
+        super.addJRMetaDataDefaults(source, results);
 
         /* column headings */
         source.addMetaData("station_header", msg(SInfoI18NStrings.CSV_KM_HEADER));