--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/uinfo/ValidationBehaviourSingleMultiInputItem.java	Fri Jul 13 12:04:21 2018 +0200
@@ -0,0 +1,92 @@
+/** 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.ui.uinfo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.dive4elements.river.client.client.FLYSConstants;
+import org.dive4elements.river.client.client.ui.AbstractSingleItemPanel.IMultiSingleBehaviour;
+
+/**
+ * @author Domenico Nardi Tironi
+ *
+ */
+public abstract class ValidationBehaviourSingleMultiInputItem implements IMultiSingleBehaviour {
+
+    private List<String> validInputs = null;
+    private String errorForItemMsg = null;
+    protected FLYSConstants MSG = null;
+
+    public ValidationBehaviourSingleMultiInputItem(final List<String> validInputs, final String errorForItemMsg, final FLYSConstants MSG) {
+        this.validInputs = validInputs;
+        this.errorForItemMsg = errorForItemMsg;
+        this.MSG = MSG; // etwas unglücklich...
+    }
+
+    public ValidationBehaviourSingleMultiInputItem() {
+
+    }
+
+    protected final List<String> validateSingleInput(final String sValue) {
+        final List<String> errors = new ArrayList<String>();
+        // String filtered = "";
+        // int goodValues = 0;
+        errors.addAll(validateNumber(sValue));
+        boolean isGood = false;
+        for (final String validYear : this.validInputs) {
+            /* No list contains for strings? */
+            if (sValue.equals(validYear)) {
+                isGood = true;
+                break;
+            }
+        }
+        if (!isGood) {
+            String tmp = this.errorForItemMsg;
+            tmp = tmp.replace("$1", sValue);
+            errors.add(tmp);
+            // continue;
+        }
+
+        return errors;
+    }
+
+    protected final List<String> validateNumber(final String sValue) {
+        final List<String> errors = new ArrayList<String>();
+
+        try {
+            Integer.parseInt(sValue);
+        }
+        catch (final NumberFormatException e) {
+            errors.add(this.MSG.wrongFormat() + ": " + sValue);
+
+        }
+        return errors;
+    }
+
+    @Override
+    public final void setValidInputs(final List<String> validInputs) {
+        this.validInputs = validInputs;
+
+    }
+
+    @Override
+    public final void setErrorForItemMsg(final String errorForItemMsg) {
+        this.errorForItemMsg = errorForItemMsg;
+
+    }
+
+    @Override
+    public void setMSG(final FLYSConstants msg) {
+        this.MSG = this.MSG;
+
+    }
+
+}