Package org.emau.icmvc.ganimed.ttp.psn.generator

Class Alphabet

java.lang.Object

org.emau.icmvc.ganimed.ttp.psn.generator.Alphabet

Direct Known Subclasses:

Hex, Numbers, NumbersWithoutZero, NumbersX, Symbol31, Symbol32

public abstract class Alphabet
extends Object

Constructor Summary

Constructors

Modifier	Constructor	Description
	Alphabet()
protected	Alphabet(String charString)

Method Summary

Modifier and Type	Method	Description
protected abstract char[]	getAlphabet()
long	getMaxNumberOfPSN(int numberOfChars, boolean useLastCharAsDelimiter)	number of possible psn with this alphabet
int	getPosForSymbol(char symbol)
long	getPosNumberForPSN(String psn, boolean useLastCharAsDelimiter)
char	getSymbol(int pos)
int	length()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Alphabet

public Alphabet()

Alphabet

protected Alphabet(String charString)
            throws InvalidAlphabetException

Throws:

InvalidAlphabetException

Method Details

getAlphabet

protected abstract char[] getAlphabet()

length

public int length()

getSymbol

public char getSymbol(int pos)
               throws IndexOutOfBoundsException

Parameters:

pos - position of the requested symbol (0 - length-1)

Returns:

symbol at the given position

Throws:

IndexOutOfBoundsException - if the given position is larger then length()

getPosForSymbol

public int getPosForSymbol(char symbol)
                    throws CharNotInAlphabetException

Parameters:

symbol - symbol for which the position is requested

Returns:

position of the requested symbol

Throws:

CharNotInAlphabetException - if the given symbol is not an element of this alphabet

getPosNumberForPSN

public long getPosNumberForPSN(String psn,
 boolean useLastCharAsDelimiter)
                        throws ArithmeticException,
CharNotInAlphabetException

Parameters:

psn - psn without pre-, suffix and checkdigits

useLastCharAsDelimiter -

Returns:

Throws:

ArithmeticException - if this number exceeds int

CharNotInAlphabetException

getMaxNumberOfPSN

public long getMaxNumberOfPSN(int numberOfChars,
 boolean useLastCharAsDelimiter)
                       throws ArithmeticException

number of possible psn with this alphabet

Parameters:

numberOfChars -

useLastCharAsDelimiter -

Returns:

Throws:

ArithmeticException - if this number exceeds long

toString

public String toString()

Overrides:

toString in class Object