--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/states/DurationCurveState.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,113 @@
+package org.dive4elements.river.artifacts.states;
+
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import org.dive4elements.artifacts.CallContext;
+
+import org.dive4elements.artifactdatabase.state.Facet;
+
+import org.dive4elements.river.artifacts.access.RangeAccess;
+import org.dive4elements.river.artifacts.FLYSArtifact;
+import org.dive4elements.river.artifacts.WINFOArtifact;
+import org.dive4elements.river.artifacts.ChartArtifact;
+
+import org.dive4elements.river.artifacts.model.DurationCurveFacet;
+import org.dive4elements.river.artifacts.model.FacetTypes;
+import org.dive4elements.river.artifacts.model.WQDay;
+
+import org.dive4elements.river.artifacts.model.DataFacet;
+import org.dive4elements.river.artifacts.model.ReportFacet;
+import org.dive4elements.river.artifacts.model.EmptyFacet;
+import org.dive4elements.river.artifacts.model.CalculationResult;
+
+import org.dive4elements.river.artifacts.resources.Resources;
+
+import org.dive4elements.river.utils.FLYSUtils;
+
+
+/**
+ * The final state that will be reached after the duration curve calculation
+ * mode has been chosen.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class DurationCurveState
+extends      DefaultState
+implements   FacetTypes
+{
+    /** The logger that is used in this state. */
+    private static Logger logger = Logger.getLogger(DurationCurveState.class);
+
+    public DurationCurveState() {
+    }
+
+
+    @Override
+    public Object computeAdvance(
+        FLYSArtifact artifact,
+        String       hash,
+        CallContext  context,
+        List<Facet>  facets,
+        Object       old
+    ) {
+        if (artifact instanceof WINFOArtifact) {
+            WINFOArtifact winfo = (WINFOArtifact)artifact;
+
+            CalculationResult res;
+
+            if (old instanceof CalculationResult) {
+                res = (CalculationResult)old;
+            }
+            else {
+                res = winfo.getDurationCurveData();
+            }
+
+            WQDay wqday = (WQDay)res.getData();
+
+            if (wqday != null && facets != null) {
+                RangeAccess rangeAccess = new RangeAccess(winfo, context);
+                // Create an i18ed name for a (w or q) duration curve facet.
+                Object[] args = new Object[] {
+                    FLYSUtils.getRiver(winfo).getName(),
+                    rangeAccess.getLocations()[0]
+                };
+
+                String nameW = Resources.getMsg(
+                    context.getMeta(),
+                    "chart.duration.curve.curve.w",
+                    "",
+                    args);
+
+                String nameQ = Resources.getMsg(
+                    context.getMeta(),
+                    "chart.duration.curve.curve.q",
+                    "",
+                    args);
+
+                Facet w = new DurationCurveFacet(DURATION_W, nameW);
+                Facet q = new DurationCurveFacet(DURATION_Q, nameQ);
+
+                facets.add(w);
+                facets.add(q);
+
+                facets.add(new DataFacet(CSV, "CSV data"));
+                facets.add(new DataFacet(PDF, "PDF data"));
+
+                if (res.getReport().hasProblems()) {
+                    facets.add(new ReportFacet());
+                }
+            }
+
+            return res;
+        }
+        else if (artifact instanceof ChartArtifact) {
+            ChartArtifact chart = (ChartArtifact)artifact;
+            facets.add(new EmptyFacet());
+            return null;
+        }
+        return null;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :