AeroFlexProtocolFactory.java
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package com.example.mina.client.box.aeroflex;
import com.example.mina.client.base.MatrixCommand;
import com.example.mina.client.base.MatrixConstants;
import com.example.mina.client.base.MatrixResponse;
import lombok.extern.slf4j.Slf4j;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.*;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.StandardCharsets;
@Slf4j
public class AeroFlexProtocolFactory implements ProtocolCodecFactory {
private static final CharsetDecoder DECODER = StandardCharsets.UTF_8.newDecoder();
private static final CharsetEncoder ENCODER = StandardCharsets.UTF_8.newEncoder();
@Override
public ProtocolEncoder getEncoder(IoSession ioSession) throws Exception {
return new AeroFlexProtocolEncoder();
}
@Override
public ProtocolDecoder getDecoder(IoSession ioSession) throws Exception {
return new AeroFlexProtocolDecoder();
}
public static class AeroFlexProtocolEncoder extends ProtocolEncoderAdapter {
@Override
public void encode(IoSession ioSession, Object msg, ProtocolEncoderOutput protocolEncoderOutput)
throws CharacterCodingException {
if (!(msg instanceof MatrixCommand)) {
log.error("error msg, msg is: {}", msg);
return;
}
MatrixCommand mc = (MatrixCommand) msg;
log.info("---发送数据参数!Attn = {},Col = {},Command = {},Row = {},MatrixId = {},type = {}",
mc.getAttn(),
mc.getCol(),
mc.getCommand(),
mc.getRow(),
mc.getMatrixId()
);
int cmd = mc.getCommand();
IoBuffer buffer = IoBuffer.allocate(100, false).setAutoExpand(true);
if (cmd == MatrixConstants.COMMAND_RESET) {
buffer.putString("ATTN ALL MAX", ENCODER);
} else if (cmd == MatrixConstants.COMMAND_GET_OFFSET) {
buffer.putString("ATTN?", ENCODER);
buffer.putString(" ", ENCODER);
buffer.putString(mc.getRow().toString(), ENCODER);
} else if (cmd == MatrixConstants.COMMAND_SET_OFFSET) {
buffer.putString("ATTN", ENCODER);
buffer.putString(" ", ENCODER);
buffer.putString(mc.getRow().toString(), ENCODER);
buffer.putString(" ", ENCODER);
buffer.putString(mc.getAttn().toString(), ENCODER);
buffer.putString(";", ENCODER);
}
buffer.flip();
protocolEncoderOutput.write(buffer);
}
}
public static class AeroFlexProtocolDecoder extends ProtocolDecoderAdapter {
@Override
public void decode(IoSession ioSession, IoBuffer ioBuffer, ProtocolDecoderOutput protocolDecoderOutput)
throws Exception {
log.info("--server返回给----client ------IoBuffer{}", ioBuffer);
int cmd = ioBuffer.get();
MatrixResponse response = new MatrixResponse(); // todo
protocolDecoderOutput.write(ioBuffer);
}
}
}