net.sf.seaf.util
Class Generator

java.lang.Object
  net.sf.seaf.util.Generator

public class Generator
extends Object

Utility class for random values generation.

Field Summary

static double[]

LETTER_FREQS Frequencies of letters in English language.

Constructor Summary

Generator()
Default constructor.

Method Summary

Calendar	date() Generate random date with the given year.
Calendar	date(int year) Generate random date with the given year.
Calendar	date(int year, int month) Generate random date with the given year and month.
int	englishLetterCode() Generate random letter 0-based index using the letter frequencies of English.
long	number(int length) Generate random number with the specified length.
long	number(int min, int max) Generate random number with length in the specified interval, inclusive.
int	numberExcl(int min, int max) Generate random number with value between minimum and maximum (exclusive).
int	numberIncl(int min, int max) Generate random number with value between minimum and maximum (inclusive).
String	phone() Generate random phone number.
String	sentence(int min, int max) Generate random sentence of the specified length in characters.
Calendar	time() Generate random time.
String	word(int length) Generate random word with the specified length.
String	word(int min, int max) Generate random word with length in the specified interval, inclusive.

Methods inherited from class java.lang.Object

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

Field Detail

LETTER_FREQS

public static final double[] LETTER_FREQS

Frequencies of letters in English language.

Constructor Detail

Generator

public Generator()

Default constructor.

Method Detail

numberExcl

public int numberExcl(int min,
                      int max)

Generate random number with value between minimum and maximum (exclusive).

Parameters:

min - minimum value, inclusive

max - maximum value, exclusive

Returns:

random number

numberIncl

public int numberIncl(int min,
                      int max)

Generate random number with value between minimum and maximum (inclusive).

Parameters:

min - minimum value, inclusive

max - maximum value, inclusive

Returns:

random number

number

public long number(int length)

Generate random number with the specified length.

Parameters:

length - length of number to be generated in digits

Returns:

random number

number

public long number(int min,
                   int max)

Generate random number with length in the specified interval, inclusive.

Parameters:

min - minimum length in digits, inclusive

max - maximum length in digits, inclusive

Returns:

random number

phone

public String phone()

Generate random phone number.

Returns:

random phone number

date

public Calendar date(int year,
                     int month)

Generate random date with the given year and month.

Parameters:

year - full year

month - month from 0 to 11

Returns:

random date

date

public Calendar date(int year)

Generate random date with the given year.

Parameters:

year - full year

Returns:

random date

date

public Calendar date()

Generate random date with the given year.

Returns:

random date

time

public Calendar time()

Generate random time.

Returns:

random time

englishLetterCode

public int englishLetterCode()

Generate random letter 0-based index using the letter frequencies of English.

Returns:

random letter 0-based index

word

public String word(int length)

Generate random word with the specified length.

Parameters:

length - length of word to be generated in characters

Returns:

random word

word

public String word(int min,
                   int max)

Generate random word with length in the specified interval, inclusive.

Parameters:

min - minimum length in characters, inclusive

max - maximum length in characters, inclusive

Returns:

random word

sentence

public String sentence(int min,
                       int max)

Generate random sentence of the specified length in characters.

Parameters:

min - minimum length in characters

max - maximum length in characters

Returns:

random sentence