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package org.reprap.comms.messages;
import java.io.IOException;
import org.reprap.comms.IncomingContext;
import org.reprap.comms.IncomingMessage;
/**
*
*/
public class VersionResponseMessage extends IncomingMessage {
/**
* @param incomingContext
* @throws IOException
*/
public VersionResponseMessage(IncomingContext incomingContext) throws IOException {
super(incomingContext);
}
/**
* @return version number
* @throws InvalidPayloadException
*/
public int getVersion() throws InvalidPayloadException {
byte [] reply = getPayload();
if (reply == null || reply.length != 3)
throw new InvalidPayloadException();
// System.out.println("ver: " + reply[0] + ", "
// + reply[1] + ", "
// + reply[2]);
return reply[2] + (reply[1] << 8);
}
/* (non-Javadoc)
* @see org.reprap.comms.IncomingMessage#isExpectedPacketType(byte)
*/
protected boolean isExpectedPacketType(byte packetType) {
return packetType == VersionRequestMessage.MSG_GetVersion;
}
}
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