1 files changed, 65 insertions, 0 deletions
diff --git a/dotnet/Qpid.Common/Framing/IContentHeaderProperties.cs b/dotnet/Qpid.Common/Framing/IContentHeaderProperties.cs
new file mode 100644
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+++ b/dotnet/Qpid.Common/Framing/IContentHeaderProperties.cs
@@ -0,0 +1,65 @@
+/*
+ *
+ * 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
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+using Apache.Qpid.Buffer;
+
+namespace Apache.Qpid.Framing
+{
+    /// <summary>
+    /// There will be an implementation of this interface for each content type. All content types have associated
+    /// header properties and this provides a way to encode and decode them.
+    /// </summary>    
+    public interface IContentHeaderProperties
+    {
+        /// <summary>
+        /// Writes the property list to the buffer, in a suitably encoded form.
+        /// </summary>
+        /// <param name="buffer">The buffer to write to</param>
+        void WritePropertyListPayload(ByteBuffer buffer);
+
+        /// <summary>
+        /// Populates the properties from buffer.
+        /// </summary>
+        /// <param name="buffer">The buffer to read from.</param>
+        /// <param name="propertyFlags">The property flags.</param>
+        /// <exception cref="AMQFrameDecodingException">Thrown when the buffer does not contain valid data</exception>
+        void PopulatePropertiesFromBuffer(ByteBuffer buffer, ushort propertyFlags);
+
+        /// <summary>
+        /// Gets the size of the encoded property list in bytes.
+        /// </summary>
+        /// <value>The size of the property list in bytes</value>        
+        uint PropertyListSize
+        {
+            get;
+        }
+
+        /// <summary>
+        /// Gets the property flags. Property flags indicate which properties are set in the list. The
+        /// position and meaning of each flag is defined in the protocol specification for the particular
+        /// content type with which these properties are associated.
+        /// </summary>
+        /// <value>the flags as an unsigned integer</value>
+        ushort PropertyFlags
+        {
+            get;
+        }
+    }
+}