From 1df5c37bfa8fe1ec20e41dfd2bb06bc10a790917 Mon Sep 17 00:00:00 2001
From: Steven Shaw <steshaw@apache.org>
Date: Wed, 29 Nov 2006 05:51:43 +0000
Subject: QPID-137. First stab at porting enough to get AutoAcknowledge mode
 working.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@480423 13f79535-47bb-0310-9956-ffa450edef68
---
 .../Client/Message/AMQMessageFactory.cs            | 73 +++++++++++++++++-----
 1 file changed, 58 insertions(+), 15 deletions(-)

(limited to 'dotnet/Qpid.Client/Client/Message/AMQMessageFactory.cs')

diff --git a/dotnet/Qpid.Client/Client/Message/AMQMessageFactory.cs b/dotnet/Qpid.Client/Client/Message/AMQMessageFactory.cs
index e485bb6d34..dd9855d675 100644
--- a/dotnet/Qpid.Client/Client/Message/AMQMessageFactory.cs
+++ b/dotnet/Qpid.Client/Client/Message/AMQMessageFactory.cs
@@ -20,30 +20,73 @@
  */
 using System.Collections;
 using Qpid.Framing;
+using log4net;
+using Qpid.Buffer;
 
 namespace Qpid.Client.Message
 {
     public abstract class AbstractQmsMessageFactory : IMessageFactory
     {
-        public AbstractQmsMessage CreateMessage(ulong messageNbr, bool redelivered, ContentHeaderBody contentHeader, IList bodies)
+        //public AbstractQmsMessage CreateMessage(long messageNbr, bool redelivered, ContentHeaderBody contentHeader, IList bodies)
+        //{
+        //    AbstractQmsMessage msg = CreateMessageWithBody(messageNbr, contentHeader, bodies);
+        //    msg.Redelivered = redelivered;
+        //    return msg;
+        //}
+
+        public abstract AbstractQmsMessage CreateMessage();
+
+        ///// <summary>
+        ///// 
+        ///// </summary>
+        ///// <param name="messageNbr"></param>
+        ///// <param name="contentHeader"></param>
+        ///// <param name="bodies"></param>
+        ///// <returns></returns>
+        ///// <exception cref="AMQException"></exception>
+        //protected abstract AbstractQmsMessage CreateMessageWithBody(long messageNbr,
+        //                                                            ContentHeaderBody contentHeader,
+        //                                                            IList bodies);
+
+        private static readonly ILog _logger = LogManager.GetLogger(typeof (AbstractQmsMessageFactory));
+
+        protected abstract AbstractQmsMessage CreateMessage(long messageNbr, ByteBuffer data, ContentHeaderBody contentHeader);
+
+        protected AbstractQmsMessage CreateMessageWithBody(long messageNbr,
+                                                           ContentHeaderBody contentHeader,
+                                                           IList bodies)
+        {
+            ByteBuffer data;
+
+            // we optimise the non-fragmented case to avoid copying
+            if (bodies != null && bodies.Count == 1)
+            {
+                _logger.Debug("Non-fragmented message body (bodySize=" + contentHeader.BodySize +")");
+                data = HeapByteBuffer.wrap(((ContentBody)bodies[0]).Payload);
+            }
+            else
+            {
+                _logger.Debug("Fragmented message body (" + bodies.Count + " frames, bodySize=" + contentHeader.BodySize + ")");
+                data = ByteBuffer.Allocate((int)contentHeader.BodySize); // XXX: Is cast a problem?
+                foreach (ContentBody body in bodies) {
+                    data.Put(body.Payload);
+                    //body.Payload.Release();
+                }
+
+                data.Flip();
+            }
+            _logger.Debug("Creating message from buffer with position=" + data.Position + " and remaining=" + data.Remaining);
+
+            return CreateMessage(messageNbr, data, contentHeader);
+        }
+
+        public AbstractQmsMessage CreateMessage(long messageNbr, bool redelivered,
+                                                ContentHeaderBody contentHeader,
+                                                IList bodies)
         {
             AbstractQmsMessage msg = CreateMessageWithBody(messageNbr, contentHeader, bodies);
             msg.Redelivered = redelivered;
             return msg;
         }
-
-        public abstract AbstractQmsMessage CreateMessage();
-
-        /// <summary>
-        /// 
-        /// </summary>
-        /// <param name="messageNbr"></param>
-        /// <param name="contentHeader"></param>
-        /// <param name="bodies"></param>
-        /// <returns></returns>
-        /// <exception cref="AMQException"></exception>
-        protected abstract AbstractQmsMessage CreateMessageWithBody(ulong messageNbr,
-                                                                    ContentHeaderBody contentHeader,
-                                                                    IList bodies);
     }
 }
-- 
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