--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/datacage/templating/DefaultVegetationZoneXPathFunction.java	Wed Jul 25 14:42:44 2018 +0200
@@ -0,0 +1,35 @@
+/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
+ * Software engineering by
+ *  Björnsen Beratende Ingenieure GmbH
+ *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+package org.dive4elements.river.artifacts.datacage.templating;
+
+import java.util.List;
+
+import javax.xml.xpath.XPathFunction;
+import javax.xml.xpath.XPathFunctionException;
+
+import org.dive4elements.river.artifacts.uinfo.vegetationzones.VegetationZone;
+
+/**
+ * Very specialized function the resolves the 'year' (als middle of all used events) from a fix-analysis-vollmer
+ * artifact).
+ *
+ * @author Gernot Belger
+ */
+public class DefaultVegetationZoneXPathFunction implements XPathFunction {
+
+    public static final String ID = "defaultvegetationzone";
+
+    public static final int ARITY = 0;
+
+    @Override
+    public Object evaluate(final List args) throws XPathFunctionException {
+        return VegetationZone.parseListToDataString(VegetationZone.getStandardList());
+    }
+}
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