net.sf.jradius.packet
Class RadiusFormat

java.lang.Object
  net.sf.jradius.packet.RadiusFormat

Direct Known Subclasses:

DiameterFormat, FreeRadiusFormat

public class RadiusFormat
extends java.lang.Object

Default RadiusPacket/RadiusAttribute format class. This class formats and parses UDP RADIUS Packets. Derived classes implement other formats.

Author:

David Bird

Nested Class Summary

protected class

RadiusFormat.AttributeParseContext

Field Summary

static int

VSA_HEADER_LENGTH

Constructor Summary

RadiusFormat()

Method Summary

static RadiusFormat	getInstance()
void	packAttribute(java.io.OutputStream out, RadiusAttribute a) Packs a RadiusAttribute into a DataOutputStream
byte[]	packAttributeList(AttributeList attrs) Packs an AttributeList into a byte array
void	packHeader(java.io.OutputStream out, RadiusAttribute a) Packs a RadiusAttribute header into a DataOutputStream
void	packHeader(java.io.OutputStream out, RadiusPacket p, byte[] attributeBytes) Packs the RadiusPacket into a DataOutputStream
void	packHeader(java.io.OutputStream out, VSAttribute a) Packs a VSAttribute header into a DataOutputStream
byte[]	packPacket(RadiusPacket packet) Packs a RadiusPacket into a byte array
static int	readUnsignedByte(java.io.InputStream in)
static long	readUnsignedInt(java.io.InputStream in)
static int	readUnsignedShort(java.io.InputStream in)
static void	setAttributeBytes(RadiusPacket packet, byte[] bAttributes) Parses attributes and places them in a RadiusPacket
protected int	unpackAttributeHeader(java.io.InputStream in, RadiusFormat.AttributeParseContext ctx) Unpacks the header of a RadiusAttribute from a DataInputStream
void	unpackAttributes(AttributeList attrs, byte[] bytes, int bLength) Unpacks RadiusAttributes from a byte array into an AttributeList
static void	writeUnsignedByte(java.io.OutputStream out, int b)
static void	writeUnsignedInt(java.io.OutputStream out, long i)
static void	writeUnsignedShort(java.io.OutputStream out, int s)

Methods inherited from class java.lang.Object

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

Field Detail

VSA_HEADER_LENGTH

public static final int VSA_HEADER_LENGTH

See Also:

Constant Field Values

Constructor Detail

RadiusFormat

public RadiusFormat()

Method Detail

getInstance

public static RadiusFormat getInstance()

Returns:

Returns a static instnace of this class

setAttributeBytes

public static void setAttributeBytes(RadiusPacket packet,
                                     byte[] bAttributes)

Parses attributes and places them in a RadiusPacket

Parameters:

packet - The RadiusPacket to parse attributes into

bAttributes - The attribute bytes to parse

packPacket

public byte[] packPacket(RadiusPacket packet)

Packs a RadiusPacket into a byte array

Parameters:

packet - The RadiusPacket to pack

Returns:

Returns the packed RadiusPacket

packAttributeList

public byte[] packAttributeList(AttributeList attrs)

Packs an AttributeList into a byte array

Parameters:

attrs - The AttributeList to pack

Returns:

Returns the packed AttributeList

packAttribute

public void packAttribute(java.io.OutputStream out,
                          RadiusAttribute a)
                   throws java.io.IOException

Packs a RadiusAttribute into a DataOutputStream

Parameters:

out - The DataOutputStream to write attibutes to

a - The RadiusAttribute to pack

Throws:

java.io.IOException

packHeader

public void packHeader(java.io.OutputStream out,
                       RadiusPacket p,
                       byte[] attributeBytes)
                throws java.io.IOException

Packs the RadiusPacket into a DataOutputStream

Parameters:

out - The DataOutputStream to write to

p - The RadiusPacket to pack

attributeBytes - The RadiusPacket attributes

Throws:

java.io.IOException

packHeader

public void packHeader(java.io.OutputStream out,
                       RadiusAttribute a)
                throws java.io.IOException

Packs a RadiusAttribute header into a DataOutputStream

Parameters:

out - The DataOutputStream to write to

a - The RadiusAttribute to pack

Throws:

java.io.IOException

packHeader

public void packHeader(java.io.OutputStream out,
                       VSAttribute a)
                throws java.io.IOException

Packs a VSAttribute header into a DataOutputStream

Parameters:

out - The DataOutputStream to write to

a - The VSAttribute to pack

Throws:

java.io.IOException

unpackAttributes

public void unpackAttributes(AttributeList attrs,
                             byte[] bytes,
                             int bLength)

Unpacks RadiusAttributes from a byte array into an AttributeList

Parameters:

attrs - The AttributeList to put unpacked attributes

bytes - The bytes to be unpacked

bLength - The length of the bytes to be unpacked

unpackAttributeHeader

protected int unpackAttributeHeader(java.io.InputStream in,
                                    RadiusFormat.AttributeParseContext ctx)
                             throws java.io.IOException

Unpacks the header of a RadiusAttribute from a DataInputStream

Parameters:

in - The DataInputStream to read from

ctx - The Attribute Parser Context

Returns:

Returns the additional offset length for this header

Throws:

java.io.IOException

readUnsignedInt

public static long readUnsignedInt(java.io.InputStream in)
                            throws java.io.IOException

Throws:

java.io.IOException

readUnsignedShort

public static int readUnsignedShort(java.io.InputStream in)
                             throws java.io.IOException

Throws:

java.io.IOException

readUnsignedByte

public static int readUnsignedByte(java.io.InputStream in)
                            throws java.io.IOException

Throws:

java.io.IOException

writeUnsignedByte

public static void writeUnsignedByte(java.io.OutputStream out,
                                     int b)
                              throws java.io.IOException

Throws:

java.io.IOException

writeUnsignedShort

public static void writeUnsignedShort(java.io.OutputStream out,
                                      int s)
                               throws java.io.IOException

Throws:

java.io.IOException

writeUnsignedInt

public static void writeUnsignedInt(java.io.OutputStream out,
                                    long i)
                             throws java.io.IOException

Throws:

java.io.IOException