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.codec.delimited.serialization;
21
22 import java.nio.ByteBuffer;
23
24 import org.apache.mina.codec.delimited.ByteBufferEncoder;
25
26 import com.google.protobuf.GeneratedMessage;
27
28 /**
29 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
30 */
31 public class ProtobufMessageEncoder<OUT extends GeneratedMessage> extends ByteBufferEncoder<OUT> {
32 public static <T extends GeneratedMessage> ProtobufMessageEncoder<T> newInstance(Class<T> clazz) {
33 return new ProtobufMessageEncoder<T>();
34 }
35
36 @Override
37 public int getEncodedSize(OUT message) {
38 return message.getSerializedSize();
39 }
40
41 @Override
42 public void writeTo(OUT message, ByteBuffer buffer) {
43 buffer.put(message.toByteArray());
44 }
45
46 }