--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionWaterLineFacet.java	Fri Sep 28 12:14:26 2012 +0200
@@ -0,0 +1,65 @@
+package de.intevation.flys.artifacts.model;
+
+import org.apache.log4j.Logger;
+
+import java.util.List;
+
+import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.CallContext;
+import de.intevation.artifacts.DataProvider;
+
+import de.intevation.artifactdatabase.state.Facet;
+
+import de.intevation.flys.artifacts.WaterLineArtifact;
+
+import de.intevation.flys.model.FastCrossSectionLine;
+
+/**
+ * Facet for Waterlines in Cross Sections.
+ */
+public class CrossSectionWaterLineFacet
+extends      BlackboardDataFacet
+implements   FacetTypes {
+
+    private static Logger logger = Logger.getLogger(CrossSectionWaterLineFacet.class);
+
+
+    /** Trivial constructor, set (maybe localized) description. */
+    public CrossSectionWaterLineFacet(int idx, String description) {
+        super(idx, CROSS_SECTION_WATER_LINE, description);
+    }
+
+
+    /**
+     * Gets waterline (crossed with cross section) of waterlevel.
+     */
+    public Object getData(Artifact artifact, CallContext context) {
+        logger.debug("Get data for cross section water line");
+
+        List<DataProvider> providers = context.
+            getDataProvider(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA);
+        if (providers.size() < 1) {
+            logger.warn("Could not find Cross-Section data provider.");
+            return new double[][] {};
+        }
+        
+        Object crossSection = providers.get(0)
+            .provideData(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA, null, context);
+
+        WaterLineArtifact winfo = (WaterLineArtifact)artifact;
+
+        return winfo.getWaterLines(this.getIndex(), (FastCrossSectionLine) crossSection);
+    }
+
+
+    /** Do a deep copy. */
+    @Override 
+    public Facet deepCopy() {
+        CrossSectionWaterLineFacet copy = new CrossSectionWaterLineFacet(
+            this.getIndex(),
+            this.description);
+        copy.set(this);
+        return copy;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :