01 /*
02 *
03 * Licensed to the Apache Software Foundation (ASF) under one
04 * or more contributor license agreements. See the NOTICE file
05 * distributed with this work for additional information
06 * regarding copyright ownership. The ASF licenses this file
07 * to you under the Apache License, Version 2.0 (the
08 * "License"); you may not use this file except in compliance
09 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 */
21 package org.apache.qpid.framing;
22
23 import org.apache.mina.common.ByteBuffer;
24 import org.apache.mina.common.IoSession;
25 import org.apache.mina.filter.codec.ProtocolEncoderOutput;
26 import org.apache.mina.filter.codec.demux.MessageEncoder;
27
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
30
31 import java.util.Collections;
32 import java.util.Set;
33
34 public final class AMQDataBlockEncoder implements MessageEncoder
35 {
36 private static final Logger _logger = LoggerFactory.getLogger(AMQDataBlockEncoder.class);
37
38 private final Set _messageTypes = Collections.singleton(EncodableAMQDataBlock.class);
39
40 public AMQDataBlockEncoder()
41 { }
42
43 public void encode(IoSession session, Object message, ProtocolEncoderOutput out) throws Exception
44 {
45 final AMQDataBlock frame = (AMQDataBlock) message;
46
47 final ByteBuffer buffer = frame.toByteBuffer();
48
49 if (_logger.isDebugEnabled())
50 {
51 _logger.debug("Encoded frame byte-buffer is '" + EncodingUtils.convertToHexString(buffer) + "'");
52 }
53
54 out.write(buffer);
55 }
56
57 public Set getMessageTypes()
58 {
59 return _messageTypes;
60 }
61 }
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