--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/DurationCurveGenerator.java	Fri Jun 17 13:00:54 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/DurationCurveGenerator.java	Fri Jun 17 16:17:03 2011 +0000
@@ -16,9 +16,10 @@
 
 import de.intevation.artifacts.Artifact;
 
-import de.intevation.flys.model.River;
+import de.intevation.artifactdatabase.state.Facet;
 
-import de.intevation.flys.artifacts.WINFOArtifact;
+import de.intevation.flys.artifacts.FLYSArtifact;
+import de.intevation.flys.artifacts.model.FacetTypes;
 import de.intevation.flys.artifacts.model.WQDay;
 import de.intevation.flys.artifacts.resources.Resources;
 
@@ -28,11 +29,10 @@
  *
  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
  */
-public class DurationCurveGenerator extends XYChartGenerator {
-
-    public static final String I18N_DURATION_W = "chart.duration.curve.curve.w";
-    public static final String I18N_DURATION_Q = "chart.duration.curve.curve.q";
-
+public class DurationCurveGenerator
+extends      XYChartGenerator
+implements   FacetTypes
+{
     private static Logger logger =
         Logger.getLogger(DurationCurveGenerator.class);
 
@@ -43,11 +43,11 @@
     protected XYSeriesCollection q;
 
 
-    public static final String DURATION_CURVE_W =
-        "duration_curve.w";
+    public static final String I18N_DURATION_W =
+        "chart.duration.curve.curve.w";
 
-    public static final String DURATION_CURVE_Q =
-        "duration_curve.q";
+    public static final String I18N_DURATION_Q =
+        "chart.duration.curve.curve.q";
 
     public static final String I18N_CHART_TITLE =
         "chart.duration.curve.title";
@@ -157,25 +157,28 @@
     }
 
 
-    public void doOut(Artifact artifact, String facet, Document attr) {
-        logger.debug("DurationCurveGenerator.doOut: " + facet);
+    @Override
+    public void doOut(Artifact artifact, Facet facet, Document attr) {
+        String name = facet != null ? facet.getName() : null;
 
-        if (facet == null || facet.length() == 0) {
+        logger.debug("DurationCurveGenerator.doOut: " + name);
+
+        if (name == null || name.length() == 0) {
             logger.error("No facet given. Cannot create dataset.");
             return;
         }
 
-        WINFOArtifact winfo = (WINFOArtifact) artifact;
-        River         river = winfo.getRiver();
+        FLYSArtifact flys = (FLYSArtifact) artifact;
+        Facet        f    = flys.getNativeFacet(facet);
 
-        if (facet.equals(DURATION_CURVE_W)) {
-            doWOut(getDurationCurveData(artifact), river.getName());
+        if (name.equals(DURATION_W)) {
+            doWOut((WQDay) f.getData(artifact, context));
         }
-        else if (facet.equals(DURATION_CURVE_Q)) {
-            doQOut(getDurationCurveData(artifact), river.getName());
+        else if (name.equals(DURATION_Q)) {
+            doQOut((WQDay) f.getData(artifact, context));
         }
         else {
-            logger.warn("Unknown facet name: " + facet);
+            logger.warn("Unknown facet name: " + name);
             return;
         }
     }
@@ -187,12 +190,12 @@
      * @param wqdays The WQDay store that contains the Ws.
      * @param river The name of the river.
      */
-    protected void doWOut(WQDay wqdays, String river) {
+    protected void doWOut(WQDay wqdays) {
         logger.debug("DurationCurveGenerator.doWOut");
 
         // TODO find the correct series name
         XYSeries series = new XYSeries(
-            getSeriesName(river, DURATION_CURVE_W));
+            getSeriesName(getRiverName(), DURATION_W));
 
         int size = wqdays.size();
         for (int i = 0; i < size; i++) {
@@ -212,12 +215,12 @@
      * @param wqdays The WQDay store that contains the Qs.
      * @param river The name of the river.
      */
-    protected void doQOut(WQDay wqdays, String river) {
+    protected void doQOut(WQDay wqdays) {
         logger.debug("DurationCurveGenerator.doQOut");
 
         // TODO find the correct series name
         XYSeries series = new XYSeries(
-            getSeriesName(river, DURATION_CURVE_Q));
+            getSeriesName(getRiverName(), DURATION_Q));
 
         int size = wqdays.size();
         for (int i = 0; i < size; i++) {
@@ -231,20 +234,6 @@
     }
 
 
-    /**
-     * Returns the computed data for a duration curve based on the artifact's
-     * computation method.
-     *
-     * @param artifact The WINFO artifact.
-     *
-     * @return the computed data for a duration curve's W and Q facet.
-     */
-    protected WQDay getDurationCurveData(Artifact artifact) {
-        WINFOArtifact winfoArtifact = (WINFOArtifact) artifact;
-        return winfoArtifact.getDurationCurveData();
-    }
-
-
     protected String getSeriesName(String river, String type) {
         Object[] args = new Object[] { river };
 
@@ -252,14 +241,14 @@
             logger.warn("No duration curve type given.");
             return "n/a";
         }
-        else if (type.equals(DURATION_CURVE_W)) {
+        else if (type.equals(DURATION_W)) {
             return Resources.getMsg(
                 context.getMeta(),
                 I18N_DURATION_W,
                 "W",
                 args);
         }
-        else if (type.equals(DURATION_CURVE_Q)) {
+        else if (type.equals(DURATION_Q)) {
             return Resources.getMsg(
                 context.getMeta(),
                 I18N_DURATION_Q,