--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/DurationCurveExporter.java	Tue May 10 15:28:30 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/DurationCurveExporter.java	Tue May 10 16:10:01 2011 +0000
@@ -1,6 +1,7 @@
 package de.intevation.flys.exports;
 
 import java.io.OutputStream;
+import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -26,6 +27,13 @@
     private static Logger logger = Logger.getLogger(WaterlevelExporter.class);
 
 
+    public static final int W_MIN_DIGITS = 0;
+    public static final int W_MAX_DIGITS = 2;
+    public static final int Q_MIN_DIGITS = 0;
+    public static final int Q_MAX_DIGITS = 1;
+    public static final int D_MIN_DIGITS = 0;
+    public static final int D_MAX_DIGITS = 0;
+
     public static final String CSV_DURATION_HEADER =
         "export.duration.curve.csv.header.duration";
 
@@ -86,12 +94,46 @@
 
         int size = wqday.size();
 
+        NumberFormat wf  = getWFormatter();
+        NumberFormat qf  = getQFormatter();
+        NumberFormat df  = getDFormatter();
+
         for (int i = 0; i < size; i ++) {
             writer.writeNext(new String[] {
-                Double.toString(wqday.getW(i)),
-                Double.toString(wqday.getQ(i)),
-                Double.toString(wqday.getDay(i))
+                wf.format(wqday.getW(i)),
+                qf.format(wqday.getQ(i)),
+                df.format(wqday.getDay(i))
             });
         }
     }
+
+
+    /**
+     * Returns the number formatter for W values.
+     *
+     * @return the number formatter for W values.
+     */
+    protected NumberFormat getWFormatter() {
+        return getFormatter(W_MIN_DIGITS, W_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for Q values.
+     *
+     * @return the number formatter for Q values.
+     */
+    protected NumberFormat getQFormatter() {
+        return getFormatter(Q_MIN_DIGITS, Q_MAX_DIGITS);
+    }
+
+
+    /**
+     * Returns the number formatter for duration values.
+     *
+     * @return the number formatter for duration values.
+     */
+    protected NumberFormat getDFormatter() {
+        return getFormatter(D_MIN_DIGITS, D_MAX_DIGITS);
+    }
 }