--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/artifacthelper/ArtifactHelper.java	Mon May 07 17:25:53 2018 +0200
@@ -0,0 +1,39 @@
+/** 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.client.client.artifacthelper;
+
+import org.dive4elements.river.client.shared.model.Artifact;
+import org.dive4elements.river.client.shared.model.Data;
+import org.dive4elements.river.client.shared.model.DataList;
+
+/**
+ * @author Domenico Nardi Tironi
+ *
+ */
+public class ArtifactHelper {
+
+    private final Artifact artifact;
+
+    public ArtifactHelper(final Artifact artifact) {
+        this.artifact = artifact;
+    }
+
+    public Data getOldDataByKey(final String keyLabel) {
+        final DataList[] oldData = this.artifact.getArtifactDescription().getOldData();
+        for (final DataList dataList : oldData) {
+            for (final Data data : dataList.getAll()) {
+                if (data.getLabel().equals(keyLabel)) {
+                    return data;
+                }
+            }
+        }
+        return null;
+    }
+}