josx.rcxcomm
Class DataPort
java.lang.Object
|
+--josx.rcxcomm.DataPort
- public abstract class DataPort
- extends Object
An abstract class which provides an interface similar to java.net.Socket
Adapted from original code created by the LEGO3 Team at DTU-IAU
- Author:
- Brian Bagnall
Field Summary |
static int |
DEFAULT_TIMEOUT
The default time-out for the DataPort. |
protected Object |
monitor
|
protected josx.rcxcomm.DataPort.RCXInputStream |
rcxin
|
protected josx.rcxcomm.DataPort.RCXOutputStream |
rcxout
|
Constructor Summary |
protected |
DataPort()
|
rcxin
protected josx.rcxcomm.DataPort.RCXInputStream rcxin
rcxout
protected josx.rcxcomm.DataPort.RCXOutputStream rcxout
monitor
protected Object monitor
DEFAULT_TIMEOUT
public static final int DEFAULT_TIMEOUT
- The default time-out for the DataPort.
DataPort
protected DataPort()
getInputStream
public InputStream getInputStream()
- Returns an input stream for this DataPort.
- Returns:
- an input stream for reading bytes from this DataPort.
getOutputStream
public OutputStream getOutputStream()
- Returns an output stream for this DataPort.
- Returns:
- an output stream for writing bytes to this DataPort.
close
public void close()
- Closes this DataPort.
sendPacket
protected void sendPacket(byte[] b,
int n)
throws IOException
- Send a packet using this DataPort.
This method is used by the RCXOutputStream to send data.
- Parameters:
b
- a byte array with data.n
- the number of bytes to send.- Throws:
IOException
- if the packet could not be sent.- See Also:
RCXOutputStream
getTimeOut
public int getTimeOut()
- Getter for property timeOut.
- Returns:
- Value of property timeOut.
setTimeOut
public void setTimeOut(int timeOut)
- Setter for property timeOut.
- Parameters:
timeOut
- New value of property timeOut.
sendByte
protected abstract void sendByte(byte b)
throws IOException
receiveByte
protected abstract byte receiveByte()
throws IOException
dataAvailable
protected abstract boolean dataAvailable()