1 files changed, 91 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/Forms/DateValidator.java b/odk/examples/DevelopersGuide/Forms/DateValidator.java
new file mode 100644
index 000000000..646dfac79
--- /dev/null
+++ b/odk/examples/DevelopersGuide/Forms/DateValidator.java
@@ -0,0 +1,91 @@
+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+public class DateValidator extends ControlValidator
+{
+
+    /** Creates a new instance of NumericValidator */
+    public DateValidator( )
+    {
+    }
+
+    public String explainInvalid( Object Value )
+    {
+        try
+        {
+            if ( isVoid( Value ) )
+                return "empty input";
+
+            com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value;
+            if ( isDedicatedInvalidDate( dateValue ) )
+                return "this is no valid date";
+
+            if ( !isNextMonthsDate( dateValue ) )
+                return "date must denote a day in the current month";
+        }
+        catch( java.lang.Exception e )
+        {
+            return "oops. What did you enter for this to happen?";
+        }
+        return "";
+    }
+
+    public boolean isValid( Object Value )
+    {
+        try
+        {
+            if ( isVoid( Value ) )
+                return false;
+
+            com.sun.star.util.Date dateValue = (com.sun.star.util.Date)
+                com.sun.star.uno.AnyConverter.toObject(
+                    com.sun.star.util.Date.class, Value);
+            if ( isDedicatedInvalidDate( dateValue ) )
+                return false;
+
+            if ( !isNextMonthsDate( dateValue ) )
+                return false;
+            return true;
+        }
+        catch( java.lang.Exception e )
+        {
+            e.printStackTrace( System.err );
+        }
+        return false;
+    }
+
+    private boolean isDedicatedInvalidDate( com.sun.star.util.Date dateValue )
+    {
+        return ( dateValue.Day == 0 ) && ( dateValue.Month == 0 ) && ( dateValue.Year == 0 );
+    }
+
+    private boolean isNextMonthsDate( com.sun.star.util.Date dateValue )
+    {
+        int overallMonth = dateValue.Year * 12 + dateValue.Month - 1;
+
+        int todaysMonth = new java.util.Date().getMonth();
+        int todaysYear = new java.util.Date().getYear() + 1900;
+        int todaysOverallMonth = todaysYear * 12 + todaysMonth;
+
+        return overallMonth == todaysOverallMonth;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */