org.fosstrak.hal.util
Class RFIDTools

java.lang.Object
  org.fosstrak.hal.util.RFIDTools

All Implemented Interfaces:

java.lang.Cloneable

public class RFIDTools
extends java.lang.Object
implements java.lang.Cloneable

This class is an abstraction for the RFID tags. A tag has a serial number and depending on the application data memory.

Copyright: Copyright (c) 2002

Version:

1.0

Author:

Matthias Lampe, lampe@acm.org, Harald Vogt, vogt@inf.ethz.ch, Philip Pfister, philip.pfister@hsr.ch, Stefan Kuenzle, stefan.kuenzle@hsr.ch

Field Summary

static int	ISO_15693 Tag-it HF-i or other ISO 15693 compliant transponders
static int	SERIAL_NR_SIZE size of serial number
static int	TAG_IT_HF Tag-it HF

Constructor Summary

RFIDTools(byte[] snr, int offset, int type, int dsfID)
creates a RFIDTag with the gifen parameter

Method Summary

java.lang.Object	clone() clones the RFID tag.
boolean	equals(java.lang.Object tag) checks tags
static java.lang.String	getChar(byte[] data)
static java.lang.String	getData(byte[] data)
static java.lang.String	getDataWithSpace(byte[] data)
static java.lang.String	getDataWithSpaceLength(byte[] data, int l)
java.lang.String	getSerial() gets the serial number of the tag as a String in hex format.
static java.lang.String	getSerialFromByteArray(byte[] snr, int offset)
java.lang.String	getSerialWithSpace() gets the serial number of the tag as a String where each byte is in hex format and separated by a space.
byte[]	getSNR() gets the serial number
int	hashCode() gets the hash code of the serial number
boolean	hasSNR(byte[] data) checks the serial number
boolean	hasSNR(byte[] data, int offset, int length) checks the serial number
static java.lang.String	hexByte(int b)
java.lang.String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SERIAL_NR_SIZE

public static final int SERIAL_NR_SIZE

size of serial number

See Also:

Constant Field Values

TAG_IT_HF

public static final int TAG_IT_HF

Tag-it HF

See Also:

Constant Field Values

ISO_15693

public static final int ISO_15693

Tag-it HF-i or other ISO 15693 compliant transponders

See Also:

Constant Field Values

Constructor Detail

RFIDTools

public RFIDTools(byte[] snr,
                 int offset,
                 int type,
                 int dsfID)

creates a RFIDTag with the gifen parameter

Parameters:

snr - serial number of the transponder

offset - offset of the serial number

type - transponder type

dsfID - data storage family identifier

Method Detail

hexByte

public static java.lang.String hexByte(int b)

getData

public static java.lang.String getData(byte[] data)

getDataWithSpace

public static java.lang.String getDataWithSpace(byte[] data)

getDataWithSpaceLength

public static java.lang.String getDataWithSpaceLength(byte[] data,
                                                      int l)

getChar

public static java.lang.String getChar(byte[] data)

getSerialFromByteArray

public static java.lang.String getSerialFromByteArray(byte[] snr,
                                                      int offset)

getSNR

public byte[] getSNR()

gets the serial number

Returns:

the serial number of the tag as a array of byte.

getSerialWithSpace

public java.lang.String getSerialWithSpace()

gets the serial number of the tag as a String where each byte is in hex format and separated by a space.

Returns:

the serial number of the tag as a String.

getSerial

public java.lang.String getSerial()

gets the serial number of the tag as a String in hex format.

Returns:

the serial number of the tag as a String.

hasSNR

public boolean hasSNR(byte[] data)

checks the serial number

Parameters:

data - to compared serial number

Returns:

if boath serial numbers are equal TRUE else FALSE

hasSNR

public boolean hasSNR(byte[] data,
                      int offset,
                      int length)

checks the serial number

Parameters:

data - to compared serial number

offset - start position

length - lebgth of serial number

Returns:

if boath serial numbers are equal TRUE else FALSE

clone

public java.lang.Object clone()

clones the RFID tag.

Overrides:

clone in class java.lang.Object

Returns:

the deep copy of the RFID tag.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

String

equals

public boolean equals(java.lang.Object tag)

checks tags

Overrides:

equals in class java.lang.Object

Parameters:

tag - tag to compare

Returns:

if boath serial numbers are equal TRUE else FALSE

hashCode

public int hashCode()

gets the hash code of the serial number

Overrides:

hashCode in class java.lang.Object

Returns:

hash code