org.ka2ddo.ax25
Class XIDGroup

java.lang.Object
  org.ka2ddo.ax25.XIDGroup

public class XIDGroup
extends java.lang.Object

This class encapsulates and encodes one X.25 XID group. This is used to handle responding to the XID frame in the AX.25 protocol.

Field Summary

byte	formatIdentifier
byte	groupIdentifier
java.util.ArrayList<XIDParameter>	paramList

Constructor Summary

XIDGroup()
Create an empty XIDGroup with the AX.25 default FI/GI.

Method Summary

int	getGroupLength() Get the number of bytes needed to encode the list of XIDParameters in this XIDGroup.
static XIDGroup	read(java.io.DataInput dis) Read an XIDGroup from an input byte stream.
void	write(java.io.DataOutput dos) Write the XIDGroup to a byte stream.

Methods inherited from class java.lang.Object

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

Field Detail

formatIdentifier

public byte formatIdentifier

groupIdentifier

public byte groupIdentifier

paramList

public final java.util.ArrayList<XIDParameter> paramList

Constructor Detail

XIDGroup

public XIDGroup()

Create an empty XIDGroup with the AX.25 default FI/GI.

Method Detail

write

public void write(java.io.DataOutput dos)
           throws java.io.IOException

Write the XIDGroup to a byte stream.

Parameters:

dos - DataOutput to write the XIDGroup to

Throws:

java.io.IOException - if write fails for any reason

getGroupLength

public int getGroupLength()

Get the number of bytes needed to encode the list of XIDParameters in this XIDGroup.

Returns:

byte count

read

public static XIDGroup read(java.io.DataInput dis)
                     throws java.io.IOException

Read an XIDGroup from an input byte stream.

Parameters:

dis - DataInput to read the XIDGroup from

Returns:

decoded XIDGroup

Throws:

java.io.IOException - if read fails for any reason