jp.co.ricoh.dsdk.scard.framework.util
Class APDU

java.lang.Object
  jp.co.ricoh.dsdk.scard.framework.util.APDU

Direct Known Subclasses:

RequestAPDU, ResponseAPDU

public class APDU

extends java.lang.Object

This is the class that encapsulates an APDU(Application Protocol Data Unit).

Field Summary

protected byte[]

buffer A buffer containing an APDU.

Constructor Summary

APDU()
Constructs an APDU object that is initialized by a null buffer.

APDU(APDU apdu)
Constructs an APDU object that is initialized by an APDU parameter.

APDU(byte[] buffer)
Constructs an APDU object that is initialized by a buffer parameter.

Method Summary

void	append(byte value) Adds a byte value at the end of an APDU.
void	append(byte[] buffer) Adds a buffer at the end of an APDU..
boolean	equals(java.lang.Object arg0)
byte	getByte(int index) Obtains the value of a specified position in an APDU.
int	getLength() Returns the length of an APDU in the byte.
int	hashCode()
void	setByte(int index, byte value) Specifies a value to a specified position in an APDU.
void	setLength(int length) Changes the length of an APDU.
byte[]	toBytes() .

Methods inherited from class java.lang.Object

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

Field Detail

buffer

protected byte[] buffer

A buffer containing an APDU.

Constructor Detail

APDU

public APDU()

Constructs an APDU object that is initialized by a null buffer.

APDU

public APDU(byte[] buffer)

Constructs an APDU object that is initialized by a buffer parameter.

Parameters:

buffer - a buffer initializing this object.

APDU

public APDU(APDU apdu)

Constructs an APDU object that is initialized by an APDU parameter.

Parameters:

apdu - an APDU object initializing this object.

Method Detail

getLength

public final int getLength()

Returns the length of an APDU in the byte.

Returns:

the length of the APDU.

setLength

public final void setLength(int length)

Changes the length of an APDU.

Parameters:

length - the new length of an APDU specified in the byte.

getByte

public final byte getByte(int index)

Obtains the value of a specified position in an APDU.

Parameters:

index - a position in an APDU.

Returns:

the value of the specified position.

setByte

public final void setByte(int index,
                          byte value)

Specifies a value to a specified position in an APDU.

Parameters:

index - a position in an APDU.

value - a value.

append

public final void append(byte value)

Adds a byte value at the end of an APDU.

Parameters:

value - a byte value to add.

append

public final void append(byte[] buffer)

Adds a buffer at the end of an APDU..

Parameters:

buffer - a buffer to add.

toBytes

public final byte[] toBytes()

. Obtains a copy of an APDU in a byte array.

Returns:

a byte array of the APDU.

equals

public boolean equals(java.lang.Object arg0)

hashCode

public int hashCode()