--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/GaugeRange.java	Thu Jun 21 15:39:34 2012 +0000
@@ -0,0 +1,89 @@
+package de.intevation.flys.artifacts.model;
+
+import java.io.Serializable;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.log4j.Logger;
+
+public class GaugeRange
+extends      Range
+{
+    private static Logger log = Logger.getLogger(GaugeRange.class);
+
+    private static final class Sector implements Serializable {
+
+        int    sector;
+        double value;
+
+        Sector(int sector, double value) {
+            this.sector = sector;
+            this.value  = value;
+        }
+    } // class Sector
+
+    protected int gaugeId;
+
+    protected Map<String, Double> mainValues;
+    protected List<Sector> sectors;
+
+    public GaugeRange() {
+    }
+
+    public GaugeRange(double start, double end, int gaugeId) {
+        super(start, end);
+        this.gaugeId = gaugeId;
+        mainValues = new HashMap<String, Double>();
+        sectors = new ArrayList<Sector>(3);
+    }
+
+    public void addMainValue(String label, Double value) {
+        int idx = label.indexOf('(');
+        if (idx >= 0) {
+            label = label.substring(0, idx);
+        }
+        mainValues.put(label, value);
+    }
+
+    protected Double getMainValue(String label) {
+        Double v = mainValues.get(label);
+        if (v == null) {
+            log.warn("Missing main value '"
+                + label + "' for gauge " + gaugeId);
+        }
+        return v;
+    }
+
+    public void buildClasses() {
+        Double mnq = getMainValue("MNQ");
+        Double mq  = getMainValue("MQ");
+        Double mhq = getMainValue("MHQ");
+        Double hq5 = getMainValue("HQ5");
+
+        Double [][] pairs = {
+            { mnq,  mq },
+            {  mq, mhq },
+            { hq5, hq5 } };
+
+        for (int c = 0; c < pairs.length; ++c) {
+            Double [] pair = pairs[c];
+            if (pair[0] != null && pair[1] != null) {
+                double value = 0.5*(pair[0] + pair[1]);
+                sectors.add(new Sector(c, value));
+            }
+        }
+    }
+
+    public int classify(double value) {
+        for (Sector sector: sectors) {
+            if (value < sector.value) {
+                return sector.sector;
+            }
+        }
+        return sectors.size();
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :