1 files changed, 100 insertions, 0 deletions
diff --git a/src/ProtocolBuffers.Serialization/Extensions.cs b/src/ProtocolBuffers.Serialization/Extensions.cs
new file mode 100644
index 00000000..2050c911
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+++ b/src/ProtocolBuffers.Serialization/Extensions.cs
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+using System;
+using System.Text;
+using System.IO;
+using System.Xml;
+using Google.ProtocolBuffers.Serialization;
+
+namespace Google.ProtocolBuffers
+{
+    /// <summary>
+    /// Extension methods for using serializers on instances of IMessageLite/IBuilderLite
+    /// </summary>
+    public static class Extensions
+    {
+        #region IMessageLite Extension
+        /// <summary>
+        /// Serializes the message to JSON text.  This is a trivial wrapper
+        /// around Serialization.JsonFormatWriter.WriteMessage.
+        /// </summary>
+        public static string ToJson(this IMessageLite message)
+        {
+            JsonFormatWriter w = JsonFormatWriter.CreateInstance();
+            w.WriteMessage(message);
+            return w.ToString();
+        }
+        /// <summary>
+        /// Serializes the message to XML text.  This is a trivial wrapper
+        /// around Serialization.XmlFormatWriter.WriteMessage.
+        /// </summary>
+        public static string ToXml(this IMessageLite message)
+        {
+            StringWriter w = new StringWriter(new StringBuilder(4096));
+            XmlFormatWriter.CreateInstance(w).WriteMessage(message);
+            return w.ToString();
+        }
+        /// <summary>
+        /// Serializes the message to XML text using the element name provided.
+        /// This is a trivial wrapper around Serialization.XmlFormatWriter.WriteMessage.
+        /// </summary>
+        public static string ToXml(this IMessageLite message, string rootElementName)
+        {
+            StringWriter w = new StringWriter(new StringBuilder(4096));
+            XmlFormatWriter.CreateInstance(w).WriteMessage(rootElementName, message);
+            return w.ToString();
+        }
+
+        #endregion
+        #region IBuilderLite Extensions
+        /// <summary>
+        /// Merges a JSON object into this builder and returns
+        /// </summary>
+        public static TBuilder MergeFromJson<TBuilder>(this TBuilder builder, string jsonText) where TBuilder : IBuilderLite
+        {
+            return JsonFormatReader.CreateInstance(jsonText)
+                .Merge(builder);
+        }
+        /// <summary>
+        /// Merges a JSON object into this builder and returns
+        /// </summary>
+        public static TBuilder MergeFromJson<TBuilder>(this TBuilder builder, TextReader reader) where TBuilder : IBuilderLite
+        {
+            return MergeFromJson(builder, reader, ExtensionRegistry.Empty);
+        }
+        /// <summary>
+        /// Merges a JSON object into this builder using the extensions provided and returns
+        /// </summary>
+        public static TBuilder MergeFromJson<TBuilder>(this TBuilder builder, TextReader reader, ExtensionRegistry extensionRegistry) where TBuilder : IBuilderLite
+        {
+            return JsonFormatReader.CreateInstance(reader)
+                .Merge(builder, extensionRegistry);
+        }
+
+        /// <summary>
+        /// Merges an XML object into this builder and returns
+        /// </summary>
+        public static TBuilder MergeFromXml<TBuilder>(this TBuilder builder, XmlReader reader) where TBuilder : IBuilderLite
+        {
+            return MergeFromXml(builder, XmlFormatReader.DefaultRootElementName, reader, ExtensionRegistry.Empty);
+        }
+
+        /// <summary>
+        /// Merges an XML object into this builder and returns
+        /// </summary>
+        public static TBuilder MergeFromXml<TBuilder>(this TBuilder builder, string rootElementName, XmlReader reader) where TBuilder : IBuilderLite
+        {
+            return MergeFromXml(builder, rootElementName, reader, ExtensionRegistry.Empty);
+        }
+
+        /// <summary>
+        /// Merges an XML object into this builder using the extensions provided and returns
+        /// </summary>
+        public static TBuilder MergeFromXml<TBuilder>(this TBuilder builder, string rootElementName, XmlReader reader,
+                                            ExtensionRegistry extensionRegistry) where TBuilder : IBuilderLite
+        {
+            return XmlFormatReader.CreateInstance(reader)
+                .Merge(rootElementName, builder, extensionRegistry);
+        }
+
+        #endregion
+    }
+}