01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
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.imagine.step1.codec;
21:
22: import org.apache.mina.common.IoBuffer;
23: import org.apache.mina.common.IoSession;
24: import org.apache.mina.example.imagine.step1.ImageRequest;
25: import org.apache.mina.filter.codec.ProtocolEncoder;
26: import org.apache.mina.filter.codec.ProtocolEncoderOutput;
27:
28: /**
29: * an encoder for {@link ImageRequest} objects
30: *
31: * @author The Apache MINA Project (dev@mina.apache.org)
32: * @version $Rev$, $Date$
33: */
34:
35: public class ImageRequestEncoder implements ProtocolEncoder {
36:
37: public void encode(IoSession session, Object message,
38: ProtocolEncoderOutput out) throws Exception {
39: ImageRequest request = (ImageRequest) message;
40: IoBuffer buffer = IoBuffer.allocate(12, false);
41: buffer.putInt(request.getWidth());
42: buffer.putInt(request.getHeight());
43: buffer.putInt(request.getNumberOfCharacters());
44: buffer.flip();
45: out.write(buffer);
46: }
47:
48: public void dispose(IoSession session) throws Exception {
49: // nothing to dispose
50: }
51: }
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