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/*
*
* 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 System.Collections;
using Apache.Qpid.Framing;
using log4net;
using Apache.Qpid.Buffer;
namespace Apache.Qpid.Client.Message
{
public abstract class AbstractQmsMessageFactory : IMessageFactory
{
public abstract AbstractQmsMessage CreateMessage(string mimeType);
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 = ((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;
}
}
}
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