edu.uiuc.cs.seclab.modem.xbee
Class XBeeApiPacket

java.lang.Object
  edu.uiuc.cs.seclab.modem.ModemPacket
      edu.uiuc.cs.seclab.modem.xbee.XBeeApiPacket

public class XBeeApiPacket
extends ModemPacket

API-mode packet for XBee modems

Field Summary

static int	DAT_OFFSET
static int	EXTRA_BYTES
protected XBeeApiPacketImpl	impl
static int	MAX_LEN
static char	START_DELIM

Fields inherited from class edu.uiuc.cs.seclab.modem.ModemPacket

cksum, data

Constructor Summary

XBeeApiPacket(byte[] data, boolean stripped)

XBeeApiPacket(java.lang.String data, boolean stripped)
Create an XBee API packet from raw data.

XBeeApiPacket(XBeeApiPacketImpl impl_)

Method Summary

void	acceptVisitor(XBeeApiPacketVisitor visitor)
private static byte[]	createData(byte[] data) Wrap an API packet payload so that it conforms to the following format: Start delim.
private void	createImpl(byte[] bytes, int offset, int len) Create an API packet implementation based on the command ID in the packet
XBeeApiPacketImpl	getImpl()
private void	parse(boolean stripped) Parse an API packet formatted as explained in previous methods comment and create an appropriate packet implementation.
java.lang.String	toString()

Methods inherited from class edu.uiuc.cs.seclab.modem.ModemPacket

append, calcCksum, getCksum, getData, setData

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

DAT_OFFSET

public static final int DAT_OFFSET

See Also:

Constant Field Values

EXTRA_BYTES

public static final int EXTRA_BYTES

See Also:

Constant Field Values

impl

protected XBeeApiPacketImpl impl

MAX_LEN

public static final int MAX_LEN

See Also:

Constant Field Values

START_DELIM

public static final char START_DELIM

See Also:

Constant Field Values

Constructor Detail

XBeeApiPacket

public XBeeApiPacket(byte[] data,
                     boolean stripped)
              throws ModemException

Throws:

ModemException

XBeeApiPacket

public XBeeApiPacket(java.lang.String data,
                     boolean stripped)
              throws ModemException

Create an XBee API packet from raw data.

Parameters:

data -

b -

full - Set to false if to have the extra bytes automatically added

Throws:

ModemException

XBeeApiPacket

public XBeeApiPacket(XBeeApiPacketImpl impl_)
              throws ModemException

Throws:

ModemException

Method Detail

acceptVisitor

public void acceptVisitor(XBeeApiPacketVisitor visitor)

createData

private static byte[] createData(byte[] data)
                          throws ModemException

Wrap an API packet payload so that it conforms to the following format: Start delim. Length [----0x7E----] [MSB][LSB] [payload] [8-bit cksum]

Throws:

ModemException

createImpl

private void createImpl(byte[] bytes,
                        int offset,
                        int len)
                 throws ModemException

Create an API packet implementation based on the command ID in the packet

Throws:

ModemException

getImpl

public XBeeApiPacketImpl getImpl()

parse

private void parse(boolean stripped)
            throws ModemException

Parse an API packet formatted as explained in previous methods comment and create an appropriate packet implementation.

Parameters:

stripped - - Set to true if delimiter and length have already been stripped

Throws:

ModemException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object