1 files changed, 80 insertions, 0 deletions

diff --git a/src/WixToolset.Core/Harvester.cs b/src/WixToolset.Core/Harvester.cs
new file mode 100644
index 00000000..0f79a2d6
--- /dev/null
+++ b/src/WixToolset.Core/Harvester.cs
@@ -0,0 +1,80 @@
+// 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
+{
+    using System;
+    using System.Collections;
+    using System.Diagnostics.CodeAnalysis;
+    using WixToolset.Data;
+    using Wix = WixToolset.Data.Serialize;
+
+    /// <summary>
+    /// The WiX Toolset harvester.
+    /// </summary>
+    public sealed class Harvester
+    {
+        private HarvesterExtension harvesterExtension;
+
+        /// <summary>
+        /// Gets or sets the harvester core for the extension.
+        /// </summary>
+        /// <value>The harvester core for the extension.</value>
+        public IHarvesterCore Core { get; set; }
+
+        /// <summary>
+        /// Gets or sets the extension.
+        /// </summary>
+        /// <value>The extension.</value>
+        [SuppressMessage("Microsoft.Globalization", "CA1303:DoNotPassLiteralsAsLocalizedParameters", MessageId = "System.InvalidOperationException.#ctor(System.String)")]
+        public HarvesterExtension Extension
+        {
+            get
+            {
+                return this.harvesterExtension;
+            }
+            set
+            {
+                if (null != this.harvesterExtension)
+                {
+                    throw new InvalidOperationException(WixStrings.EXP_MultipleHarvesterExtensionsSpecified);
+                }
+
+                this.harvesterExtension = value;
+            }
+        }
+
+        /// <summary>
+        /// Harvest wix authoring.
+        /// </summary>
+        /// <param name="argument">The argument for harvesting.</param>
+        /// <returns>The harvested wix authoring.</returns>
+        public Wix.Wix Harvest(string argument)
+        {
+            if (null == argument)
+            {
+                throw new ArgumentNullException("argument");
+            }
+
+            if (null == this.harvesterExtension)
+            {
+                throw new WixException(WixErrors.HarvestTypeNotFound());
+            }
+
+            this.harvesterExtension.Core = this.Core;
+
+            Wix.Fragment[] fragments = this.harvesterExtension.Harvest(argument);
+            if (null == fragments || 0 == fragments.Length)
+            {
+                return null;
+            }
+
+            Wix.Wix wix = new Wix.Wix();
+            foreach (Wix.Fragment fragment in fragments)
+            {
+                wix.AddChild(fragment);
+            }
+
+            return wix;
+        }
+    }
+}