Massive refactoring to introduce the concept of IBackend

1 files changed, 50 insertions, 0 deletions

diff --git a/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendFactory.cs b/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendFactory.cs
new file mode 100644
index 00000000..b66a4617
--- /dev/null
+++ b/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendFactory.cs
@@ -0,0 +1,50 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Core.WindowsInstaller
+{
+    using System;
+    using System.IO;
+    using WixToolset.Extensibility;
+
+    internal class WindowsInstallerBackendFactory : IBackendFactory
+    {
+        public bool TryCreateBackend(string outputType, string outputFile, IBindContext context, out IBackend backend)
+        {
+            if (String.IsNullOrEmpty(outputType))
+            {
+                outputType = Path.GetExtension(outputFile);
+            }
+
+            switch (outputType.ToLowerInvariant())
+            {
+                case "module":
+                case ".msm":
+                    backend = new MsmBackend();
+                    return true;
+
+                case "msipackage":
+                case "product":
+                case ".msi":
+                    backend = new MsiBackend();
+                    return true;
+
+                case "patch":
+                case ".msp":
+                    backend = new MspBackend();
+                    return true;
+
+                //case "patchcreation":
+                //case ".pcp":
+                //    return new PatchCreationBackend();
+
+                case "transform":
+                case ".mst":
+                    backend = new MstBackend();
+                    return true;
+            }
+
+            backend = null;
+            return false;
+        }
+    }
+}