--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/GaugeDischargeCurveFacet.java	Fri Sep 28 08:44:49 2012 +0000
@@ -0,0 +1,57 @@
+package de.intevation.flys.artifacts.model;
+
+import java.util.Arrays;
+import java.util.Map;
+
+import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.CallContext;
+import de.intevation.artifacts.CallMeta;
+
+import de.intevation.artifactdatabase.state.DefaultFacet;
+import de.intevation.artifactdatabase.state.Facet;
+
+import de.intevation.flys.artifacts.model.WQKms;
+
+import de.intevation.flys.model.Gauge;
+
+/**
+ * A Facet that returns discharge curve data at a gauge
+ *
+ * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
+ */
+public class GaugeDischargeCurveFacet
+extends      DefaultFacet
+{
+    private Gauge gauge;
+    private String river;
+
+    public GaugeDischargeCurveFacet(String river, Gauge gauge) {
+        super(0, "facet.gauge.discharge_curve", "facet.gauge.discharge_curve");
+        this.river = river;
+        this.gauge = gauge;
+    }
+
+    @Override
+    public Object getData(Artifact art, CallContext context) {
+
+        DischargeTables dt = new DischargeTables(river, gauge.getName());
+
+        Map<String, double [][]> map = dt.getValues(100d);
+
+        double [][] values = map.get(name);
+        if (values == null) {
+            return null;
+        }
+        double [] kms = new double[values[0].length];
+        Arrays.fill(kms, gauge.getStation().doubleValue());
+        return new WQKms(kms, values[0], values[1], gauge.getName());
+    }
+
+    @Override
+    public Facet deepCopy() {
+        GaugeDischargeCurveFacet copy =
+            new GaugeDischargeCurveFacet(this.river, this.gauge);
+        copy.set(this);
+        return copy;
+    }
+}