--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/utils/Formatter.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,406 @@
+package org.dive4elements.river.utils;
+
+import java.text.DateFormat;
+import java.text.NumberFormat;
+import java.text.SimpleDateFormat;
+import java.util.Locale;
+
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.artifacts.CallMeta;
+import org.dive4elements.river.artifacts.resources.Resources;
+
+
+/** Helper to access static i18n Formatters. */
+public final class Formatter {
+
+    // KMS IN ERROR REPORTS.
+    public static final int CALCULATION_REPORT_KM_MIN_DIGITS = 1;
+    public static final int CALCULATION_REPORT_KM_MAX_DIGITS = 3;
+
+    // WATERLEVEL FORMATTER CONSTANTS
+    public static final int WATERLEVEL_KM_MIN_DIGITS = 3;
+    public static final int WATERLEVEL_KM_MAX_DIGITS = 3;
+    public static final int WATERLEVEL_W_MIN_DIGITS  = 0;
+    public static final int WATERLEVEL_W_MAX_DIGITS  = 2;
+    public static final int WATERLEVEL_Q_MIN_DIGITS  = 0;
+    public static final int WATERLEVEL_Q_MAX_DIGITS  = 2;
+
+
+    // COMPUTED DISCHARGE CURVE FORMATTER CONSTANTS
+    public static final int COMPUTED_DISCHARGE_W_MIN_DIGITS  = 2;
+    public static final int COMPUTED_DISCHARGE_W_MAX_DIGITS  = 2;
+    public static final int COMPUTED_DISCHARGE_Q_MIN_DIGITS  = 0;
+    public static final int COMPUTED_DISCHARGE_Q_MAX_DIGITS  = 2;
+
+
+    // HISTORICAL DISCHARGE CURVE FORMATTER CONSTANTS
+    public static final int HISTORICAL_DISCHARGE_W_MIN_DIGITS = 0;
+    public static final int HISTORICAL_DISCHARGE_W_MAX_DIGITS = 2;
+    public static final int HISTORICAL_DISCHARGE_Q_MIN_DIGITS = 0;
+    public static final int HISTORICAL_DISCHARGE_Q_MAX_DIGITS = 2;
+
+
+    // DURATION CURVE FORMATTER CONSTANTS
+    public static final int DURATION_W_MIN_DIGITS = 0;
+    public static final int DURATION_W_MAX_DIGITS = 2;
+    public static final int DURATION_Q_MIN_DIGITS = 0;
+    public static final int DURATION_Q_MAX_DIGITS = 1;
+    public static final int DURATION_D_MIN_DIGITS = 0;
+    public static final int DURATION_D_MAX_DIGITS = 0;
+
+
+    // FLOW VELOCITY FORMATTER CONSTANTS
+    public static final int FLOW_VELOCITY_KM_MIN_DIGITS     = 3;
+    public static final int FLOW_VELOCITY_KM_MAX_DIGITS     = 3;
+    public static final int FLOW_VELOCITY_VALUES_MIN_DIGITS = 2;
+    public static final int FLOW_VELOCITY_VALUES_MAX_DIGITS = 2;
+    public static final int FLOW_VELOCITY_Q_MIN_DIGITS      = 0;
+    public static final int FLOW_VELOCITY_Q_MAX_DIGITS      = 2;
+
+
+    // MIDDLE BED HEIGHT FORMATTER CONSTANTS
+    public static final int MIDDLE_BED_HEIGHT_KM_MIN_DIGITS             = 3;
+    public static final int MIDDLE_BED_HEIGHT_KM_MAX_DIGITS             = 3;
+    public static final int MIDDLE_BED_HEIGHT_HEIGHT_MIN_DIGITS         = 3;
+    public static final int MIDDLE_BED_HEIGHT_HEIGHT_MAX_DIGITS         = 3;
+    public static final int MIDDLE_BED_HEIGHT_UNCERT_MIN_DIGITS         = 3;
+    public static final int MIDDLE_BED_HEIGHT_UNCERT_MAX_DIGITS         = 3;
+    public static final int MIDDLE_BED_HEIGHT_DATAGAP_MIN_DIGITS        = 2;
+    public static final int MIDDLE_BED_HEIGHT_DATAGAP_MAX_DIGITS        = 2;
+    public static final int MIDDLE_BED_HEIGHT_SOUNDING_WIDTH_MIN_DIGITS = 0;
+    public static final int MIDDLE_BED_HEIGHT_SOUNDING_WIDTH_MAX_DIGITS = 0;
+    public static final int MIDDLE_BED_HEIGHT_WIDTH_MIN_DIGITS          = 3;
+    public static final int MIDDLE_BED_HEIGHT_WIDTH_MAX_DIGITS          = 3;
+
+    public static final int FIX_DELTA_W_KM_MIN_DIGITS = 3;
+    public static final int FIX_DELTA_W_KM_MAX_DIGITS = 3;
+    public static final int FIX_DELTA_W_DELTA_W_MIN_DIGITS = 3;
+    public static final int FIX_DELTA_W_DELTA_W_MAX_DIGITS = 3;
+    public static final int FIX_DELTA_W_DELTA_Q_MIN_DIGITS  = 0;
+    public static final int FIX_DELTA_W_DELTA_Q_MAX_DIGITS  = 2;
+
+
+    /**
+     * Creates a localized NumberFormatter with given range of decimal digits.
+     * @param m CallMeta to find the locale.
+     * @param min minimum number of decimal ("fraction") digits.
+     * @param max maximum number of decimal ("fraction") digits.
+     * @return A NumberFormat. Use #format(NUMBER) to get String representation
+     *         of NUMBER.
+     */
+    public static NumberFormat getFormatter(CallMeta m, int min, int max){
+        Locale       locale = Resources.getLocale(m);
+        NumberFormat nf     = NumberFormat.getInstance(locale);
+
+        nf.setMaximumFractionDigits(max);
+        nf.setMinimumFractionDigits(min);
+
+        return nf;
+    }
+
+
+    public static NumberFormat getFormatter(CallContext c, int min, int max){
+        return getFormatter(c.getMeta(), min, max);
+    }
+
+
+    /**
+     * Returns a number formatter with no max or min digits set.
+     *
+     * @param c The CallContext.
+     *
+     * @return a number formatter.
+     */
+    public static NumberFormat getRawFormatter(CallContext c) {
+        Locale locale = Resources.getLocale(c.getMeta());
+        return NumberFormat.getInstance(locale);
+    }
+
+
+    /**
+     * Returns a date formatter with SHORT style.
+     */
+    public static DateFormat getShortDateFormat(CallContext cc) {
+        Locale locale = Resources.getLocale(cc.getMeta());
+        return DateFormat.getDateInstance(DateFormat.SHORT, locale);
+    }
+
+
+    /**
+     * Returns a date formatter with MEDIUM style.
+     */
+    public static DateFormat getMediumDateFormat(CallContext cc) {
+        Locale locale = Resources.getLocale(cc.getMeta());
+        return DateFormat.getDateInstance(DateFormat.MEDIUM, locale);
+    }
+
+
+    /**
+     * Returns the number formatter for kilometer values in waterlevel exports.
+     *
+     * @return the number formatter for kilometer values.
+     */
+    public static NumberFormat getWaterlevelKM(CallContext context) {
+        return getFormatter(
+                context,
+                WATERLEVEL_KM_MIN_DIGITS,
+                WATERLEVEL_KM_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getWaterlevelW(CallMeta meta) {
+        return getFormatter(
+                meta,
+                WATERLEVEL_W_MIN_DIGITS,
+                WATERLEVEL_W_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for W values in waterlevel exports.
+     *
+     * @return the number formatter for W values.
+     */
+    public static NumberFormat getWaterlevelW(CallContext context) {
+        return getFormatter(
+                context,
+                WATERLEVEL_W_MIN_DIGITS,
+                WATERLEVEL_W_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for Q values in waterlevel exports.
+     *
+     * @return the number formatter for Q values.
+     */
+    public static NumberFormat getWaterlevelQ(CallContext context) {
+        return getFormatter(
+                context,
+                WATERLEVEL_Q_MIN_DIGITS,
+                WATERLEVEL_Q_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getWaterlevelQ(CallMeta meta) {
+        return getFormatter(
+                meta,
+                WATERLEVEL_Q_MIN_DIGITS,
+                WATERLEVEL_Q_MAX_DIGITS);
+    }
+
+    /**
+     * Returns the number formatter for W values in exports of computed
+     * discharge curves.
+     *
+     * @return the number formatter for W values.
+     */
+    public static NumberFormat getComputedDischargeW(CallContext context) {
+        return getFormatter(
+                context,
+                COMPUTED_DISCHARGE_W_MIN_DIGITS,
+                COMPUTED_DISCHARGE_W_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for Q values in exports of computed
+     * discharge curves.
+     *
+     * @return the number formatter for Q values.
+     */
+    public static NumberFormat getComputedDischargeQ(CallContext context) {
+        return getFormatter(
+                context,
+                COMPUTED_DISCHARGE_Q_MIN_DIGITS,
+                COMPUTED_DISCHARGE_Q_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for W values in exports of historical
+     * discharge curves.
+     *
+     * @return the number formatter for W values.
+     */
+    public static NumberFormat getHistoricalDischargeW(CallContext context) {
+        return getFormatter(
+                context,
+                HISTORICAL_DISCHARGE_W_MIN_DIGITS,
+                HISTORICAL_DISCHARGE_W_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for Q values in exports of historical
+     * discharge curves.
+     *
+     * @return the number formatter for Q values.
+     */
+    public static NumberFormat getHistoricalDischargeQ(CallContext context) {
+        return getFormatter(
+                context,
+                HISTORICAL_DISCHARGE_Q_MIN_DIGITS,
+                HISTORICAL_DISCHARGE_Q_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for W values in duration curve exports.
+     *
+     * @return the number formatter for W values.
+     */
+    public static NumberFormat getDurationW(CallContext context) {
+        return getFormatter(
+                context,
+                DURATION_W_MIN_DIGITS,
+                DURATION_W_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for Q values in duration curve exports.
+     *
+     * @return the number formatter for W values.
+     */
+    public static NumberFormat getDurationQ(CallContext context) {
+        return getFormatter(
+                context,
+                DURATION_Q_MIN_DIGITS,
+                DURATION_Q_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for D values in duration curve exports.
+     *
+     * @return the number formatter for W values.
+     */
+    public static NumberFormat getDurationD(CallContext context) {
+        return getFormatter(
+                context,
+                DURATION_D_MIN_DIGITS,
+                DURATION_D_MAX_DIGITS);
+    }
+
+    public static NumberFormat getCalculationKm(CallMeta meta) {
+        return getFormatter(
+                meta,
+                CALCULATION_REPORT_KM_MIN_DIGITS,
+                CALCULATION_REPORT_KM_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getFlowVelocityKM(CallContext context) {
+        return getFormatter(
+                context,
+                FLOW_VELOCITY_KM_MIN_DIGITS,
+                FLOW_VELOCITY_KM_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getFlowVelocityValues(CallContext context) {
+        return getFormatter(
+                context,
+                FLOW_VELOCITY_VALUES_MIN_DIGITS,
+                FLOW_VELOCITY_VALUES_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getFlowVelocityQ(CallContext context) {
+        return getFormatter(
+                context,
+                FLOW_VELOCITY_Q_MIN_DIGITS,
+                FLOW_VELOCITY_Q_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getMiddleBedHeightKM(CallContext context) {
+        return getFormatter(
+                context,
+                MIDDLE_BED_HEIGHT_KM_MIN_DIGITS,
+                MIDDLE_BED_HEIGHT_KM_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getMiddleBedHeightHeight(CallContext context) {
+        return getFormatter(
+                context,
+                MIDDLE_BED_HEIGHT_HEIGHT_MIN_DIGITS,
+                MIDDLE_BED_HEIGHT_HEIGHT_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getMiddleBedHeightUncert(CallContext context) {
+        return getFormatter(
+                context,
+                MIDDLE_BED_HEIGHT_UNCERT_MIN_DIGITS,
+                MIDDLE_BED_HEIGHT_UNCERT_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getMiddleBedHeightDataGap(CallContext context) {
+        return getFormatter(
+                context,
+                MIDDLE_BED_HEIGHT_DATAGAP_MIN_DIGITS,
+                MIDDLE_BED_HEIGHT_DATAGAP_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getMiddleBedHeightSounding(CallContext context) {
+        return getFormatter(
+                context,
+                MIDDLE_BED_HEIGHT_SOUNDING_WIDTH_MIN_DIGITS,
+                MIDDLE_BED_HEIGHT_SOUNDING_WIDTH_MAX_DIGITS);
+    }
+
+
+    public static NumberFormat getMiddleBedHeightWidth(CallContext context) {
+        return getFormatter(
+                context,
+                MIDDLE_BED_HEIGHT_WIDTH_MIN_DIGITS,
+                MIDDLE_BED_HEIGHT_WIDTH_MAX_DIGITS);
+    }
+
+    public static NumberFormat getFixDeltaWKM(CallContext context) {
+        return getFormatter(
+                context,
+                FIX_DELTA_W_KM_MIN_DIGITS,
+                FIX_DELTA_W_KM_MAX_DIGITS);
+    }
+
+    public static NumberFormat getFixDeltaWDeltaW(CallContext context) {
+        return getFormatter(
+                context,
+                FIX_DELTA_W_DELTA_W_MIN_DIGITS,
+                FIX_DELTA_W_DELTA_W_MAX_DIGITS);
+    }
+
+    public static NumberFormat getFixDeltaWQ(CallContext context) {
+        return getFormatter(
+                context,
+                FIX_DELTA_W_DELTA_Q_MIN_DIGITS,
+                FIX_DELTA_W_DELTA_Q_MAX_DIGITS);
+    }
+
+    public static NumberFormat getFixDeltaWW(CallContext context) {
+        return getFormatter(
+                context,
+                FIX_DELTA_W_DELTA_W_MIN_DIGITS,
+                FIX_DELTA_W_DELTA_W_MAX_DIGITS);
+    }
+
+    public static NumberFormat getMeterFormat(CallContext context) {
+        return getFormatter(
+                context,
+                0,
+                2);
+
+    }
+
+    public static DateFormat getDateFormatter(CallMeta m, String pattern) {
+        Locale locale = Resources.getLocale(m);
+        return new SimpleDateFormat(pattern, locale);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :