public ByteBuf encode(NettyMessage msg) throws Exception {
ByteBuf sendBuf = Unpooled.buffer();
sendBuf.writeInt((msg.getHeader().getCrcCode()));
sendBuf.writeInt((msg.getHeader().getLength()));
sendBuf.writeLong((msg.getHeader().getSessionID()));
sendBuf.writeByte((msg.getHeader().getType()));
sendBuf.writeByte((msg.getHeader().getPriority()));
sendBuf.writeInt((msg.getHeader().getAttachment().size()));
String key = null;
byte[] keyArray = null;
Object value = null;
for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
key = param.getKey();
keyArray = key.getBytes("UTF-8");
sendBuf.writeInt(keyArray.length);
sendBuf.writeBytes(keyArray);
value = param.getValue();
marshallingEncoder.encode(value, sendBuf);
}
key = null;
keyArray = null;
value = null;
if (msg.getBody() != null) {
marshallingEncoder.encode(msg.getBody(), sendBuf);
} else sendBuf.writeInt(0);
sendBuf.setInt(4, sendBuf.readableBytes());
return sendBuf;
}
