/*
* 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.
*
*/
package org.apache.mina.filter.codec.netty;
import net.gleamynode.netty2.Message;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.ProtocolEncoder;
import org.apache.mina.filter.codec.ProtocolEncoderException;
import org.apache.mina.filter.codec.ProtocolEncoderOutput;
/**
* A MINA <tt>ProtocolEncoder</tt> that encodes Netty2 {@link Message}s
* into buffers.
*
* @author The Apache MINA Project (dev@mina.apache.org)
*/
public class NettyEncoder implements ProtocolEncoder {
/**
* Creates a new instance.
*/
public NettyEncoder() {
}
public void encode(IoSession session, Object message,
ProtocolEncoderOutput out) throws Exception {
if (!(message instanceof Message)) {
throw new ProtocolEncoderException(
"This encoder can decode only Netty Messages.");
}
for (;;) {
IoBuffer buf = IoBuffer.allocate(8192);
Message m = (Message) message;
try {
if (m.write(buf.buf())) {
break;
}
} finally {
buf.flip();
if (buf.hasRemaining()) {
out.write(buf);
}
}
}
}
public void dispose(IoSession session) throws Exception {
}
}