1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.mina.example.sumup.codec;
21
22 import org.apache.mina.core.buffer.IoBuffer;
23 import org.apache.mina.core.session.IoSession;
24 import org.apache.mina.example.sumup.message.ResultMessage;
25 import org.apache.mina.filter.codec.demux.MessageEncoder;
26
27 /**
28 * A {@link MessageEncoder} that encodes {@link ResultMessage}.
29 *
30 * @author The Apache MINA Project (dev@mina.apache.org)
31 * @version $Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (jeu, 26 jun 2008) $
32 */
33 public class ResultMessageEncoder<T extends ResultMessage> extends AbstractMessageEncoder<T> {
34 public ResultMessageEncoder() {
35 super(Constants.RESULT);
36 }
37
38 @Override
39 protected void encodeBody(IoSession session, T message, IoBuffer out) {
40 if (message.isOk()) {
41 out.putShort((short) Constants.RESULT_OK);
42 out.putInt(message.getValue());
43 } else {
44 out.putShort((short) Constants.RESULT_ERROR);
45 }
46 }
47
48 public void dispose() throws Exception {
49 }
50 }