Index: Riskeer/Common/src/Riskeer.Common.IO/Configurations/Import/CalculationConfigurationMigrator.cs
===================================================================
diff -u
--- Riskeer/Common/src/Riskeer.Common.IO/Configurations/Import/CalculationConfigurationMigrator.cs	(revision 0)
+++ Riskeer/Common/src/Riskeer.Common.IO/Configurations/Import/CalculationConfigurationMigrator.cs	(revision 09f8bc173387fe5ca6b8735595d5a4b485623585)
@@ -0,0 +1,78 @@
+// Copyright (C) Stichting Deltares 2019. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.IO;
+using System.Text;
+using System.Xml;
+using System.Xml.Linq;
+using System.Xml.Xsl;
+
+namespace Riskeer.Common.IO.Configurations.Import
+{
+    /// <summary>
+    /// Class to migrate different calculation configuration versions.
+    /// </summary>
+    public static class CalculationConfigurationMigrator
+    {
+        /// <summary>
+        /// Migrates the given <paramref name="xmlDocument"/> with the <paramref name="migrationScriptDefinition"/>.
+        /// </summary>
+        /// <param name="xmlDocument">The <see cref="XDocument"/> to migrate.</param>
+        /// <param name="migrationScriptDefinition">The migration script.</param>
+        /// <returns>The migrated <see cref="XDocument"/>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="xmlDocument"/>
+        /// is <c>null</c>.</exception>
+        public static XDocument Migrate(XDocument xmlDocument, string migrationScriptDefinition)
+        {
+            if (xmlDocument == null)
+            {
+                throw new ArgumentNullException(nameof(xmlDocument));
+            }
+
+            var stringBuilder = new StringBuilder();
+
+            XslCompiledTransform transformer = CreateTransformer(migrationScriptDefinition);
+
+            using (var writer = XmlWriter.Create(stringBuilder))
+            {
+                transformer.Transform(xmlDocument.CreateReader(ReaderOptions.None), writer);
+                writer.Close();
+                writer.Flush();
+            }
+
+            return XDocument.Parse(stringBuilder.ToString());
+        }
+
+        private static XslCompiledTransform CreateTransformer(string migrationScriptDefinition)
+        {
+            var xslCompiledTransform = new XslCompiledTransform();
+
+            using (var stringReader = new StringReader(migrationScriptDefinition))
+            using (var xmlReader = XmlReader.Create(stringReader))
+            {
+                xslCompiledTransform.Load(xmlReader);
+            }
+
+            return xslCompiledTransform;
+        }
+    }
+}
\ No newline at end of file
Fisheye: Tag 09f8bc173387fe5ca6b8735595d5a4b485623585 refers to a dead (removed) revision in file `Riskeer/Common/src/Riskeer.Common.IO/Configurations/Import/XmlMigrator.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/Import/CalculationConfigurationMigratorTest.cs
===================================================================
diff -u
--- Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/Import/CalculationConfigurationMigratorTest.cs	(revision 0)
+++ Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/Import/CalculationConfigurationMigratorTest.cs	(revision 09f8bc173387fe5ca6b8735595d5a4b485623585)
@@ -0,0 +1,89 @@
+// Copyright (C) Stichting Deltares 2019. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.IO;
+using System.Xml.Linq;
+using Core.Common.TestUtil;
+using NUnit.Framework;
+using Riskeer.Common.IO.Configurations.Import;
+
+namespace Riskeer.Common.IO.Test.Configurations.Import
+{
+    [TestFixture]
+    public class CalculationConfigurationMigratorTest
+    {
+        private readonly string testDirectoryPath = TestHelper.GetTestDataPath(TestDataPath.Riskeer.Common.IO,
+                                                                               nameof(CalculationConfigurationMigrator));
+        [Test]
+        public void Migrate_XmlDocumentNull_ThrowsArgumentNullException()
+        {
+            // Call
+            void Call() => CalculationConfigurationMigrator.Migrate(null, "");
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("xmlDocument", exception.ParamName);
+        }
+
+        [Test]
+        public void Migrate_EmptyMigrationScript_MigratesXmlDocument()
+        {
+            // Setup
+            string xslt = File.ReadAllText(Path.Combine(testDirectoryPath, "EmptyMigrationScript.xslt"));
+            XDocument xmlDocument = GetDefaultXDocument();
+
+            // Call
+            XDocument migratedXDocument = CalculationConfigurationMigrator.Migrate(xmlDocument, xslt);
+
+            // Assert
+            Assert.IsTrue(XNode.DeepEquals(xmlDocument, migratedXDocument));
+        }
+
+        [Test]
+        public void Migrate_WithMigrationScript_MigratesXmlDocument()
+        {
+            // Setup
+            string xslt = File.ReadAllText(Path.Combine(testDirectoryPath, "MigrationScript.xslt"));
+            XDocument xmlDocument = GetDefaultXDocument();
+
+            // Call
+            XDocument migratedXDocument = CalculationConfigurationMigrator.Migrate(xmlDocument, xslt);
+
+            // Assert
+            XDocument expectedXmlDocument = GetDefaultXDocument();
+            var attribute = new XAttribute("test", true);
+            expectedXmlDocument.Root.Add(attribute);
+            var newNode = new XElement("newNode");
+            expectedXmlDocument.Root.Add(newNode);
+
+            Assert.IsTrue(XNode.DeepEquals(expectedXmlDocument, migratedXDocument));
+        }
+
+        private static XDocument GetDefaultXDocument()
+        {
+            var xDocument = new XDocument();
+            var root = new XElement("root");
+            xDocument.Add(root);
+            return xDocument;
+        }
+    }
+}
\ No newline at end of file
Index: Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/Import/CalculationConfigurationReaderTest.cs
===================================================================
diff -u -rde0a6dcc11a22e488cc61fbebc2dfee1b6eef2c5 -r09f8bc173387fe5ca6b8735595d5a4b485623585
--- Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/Import/CalculationConfigurationReaderTest.cs	(.../CalculationConfigurationReaderTest.cs)	(revision de0a6dcc11a22e488cc61fbebc2dfee1b6eef2c5)
+++ Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/Import/CalculationConfigurationReaderTest.cs	(.../CalculationConfigurationReaderTest.cs)	(revision 09f8bc173387fe5ca6b8735595d5a4b485623585)
@@ -40,7 +40,7 @@
         private string validMainSchemaDefinition;
 
         private readonly string testDirectoryPath = TestHelper.GetTestDataPath(TestDataPath.Riskeer.Common.IO,
-                                                                               "CalculationConfigurationReader");
+                                                                               nameof(CalculationConfigurationReader<IConfigurationItem>));
 
         private static IEnumerable<TestCaseData> InvalidConfigurations
         {
Index: Riskeer/Common/test/Riskeer.Common.IO.Test/test-data/CalculationConfigurationMigrator/EmptyMigrationScript.xslt
===================================================================
diff -u
--- Riskeer/Common/test/Riskeer.Common.IO.Test/test-data/CalculationConfigurationMigrator/EmptyMigrationScript.xslt	(revision 0)
+++ Riskeer/Common/test/Riskeer.Common.IO.Test/test-data/CalculationConfigurationMigrator/EmptyMigrationScript.xslt	(revision 09f8bc173387fe5ca6b8735595d5a4b485623585)
@@ -0,0 +1,8 @@
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+    <xsl:output method="xml" version="1.0" indent="yes" omit-xml-declaration="yes"/>
+    <xsl:template match="node()|@*">
+        <xsl:copy>
+            <xsl:apply-templates select="node()|@*"/>
+        </xsl:copy>
+    </xsl:template>
+</xsl:stylesheet>
\ No newline at end of file
Index: Riskeer/Common/test/Riskeer.Common.IO.Test/test-data/CalculationConfigurationMigrator/MigrationScript.xslt
===================================================================
diff -u
--- Riskeer/Common/test/Riskeer.Common.IO.Test/test-data/CalculationConfigurationMigrator/MigrationScript.xslt	(revision 0)
+++ Riskeer/Common/test/Riskeer.Common.IO.Test/test-data/CalculationConfigurationMigrator/MigrationScript.xslt	(revision 09f8bc173387fe5ca6b8735595d5a4b485623585)
@@ -0,0 +1,18 @@
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+    <xsl:output method="xml" version="1.0" indent="yes" omit-xml-declaration="yes"/>
+    <xsl:template match="node()|@*">
+        <xsl:copy>
+            <xsl:apply-templates select="node()|@*"/>
+        </xsl:copy>
+    </xsl:template>
+    <xsl:template match="root">
+        <xsl:copy>
+            <!-- copy everything inside 'root' node -->
+            <xsl:apply-templates select="@* | node()"/>
+            <!-- Add attribute -->
+            <xsl:attribute name="test">true</xsl:attribute>
+            <!-- Add element -->
+            <xsl:element name="newNode"/>
+        </xsl:copy>
+    </xsl:template>
+</xsl:stylesheet>
\ No newline at end of file