Package overit.geocall.util

Class RandomToken

java.lang.Object

overit.geocall.util.RandomToken

public class RandomToken
extends Object

The RandomToken object is a string of a given length, which is composed, in the creation phase of the object, by choosing random characters extracted from the desired alphabet. The class provides a series of pre-established alphabets: ALPHA_DIGIT, ALPHA, LOWERCASE_DIGIT, UPPERCASE_DIGIT, LOWERCASE, UPPERCASE, HEX

Field Summary

Fields

Modifier and Type	Field	Description
protected String	_code
protected String	_token
static final String	ALPHA	Alphabet composed by uppercase characters and lowercase characters of the English alphabet
static final String	ALPHA_DIGIT	Alphabet composed by uppercase characters and lowercase characters of the English alphabet and the digits from 0 to 9
static final String	DIGIT	Alphabet composed by digits from 0 to 9
static final String	HEX	Alphabet composed by the characters that defines the hexadecimal notation, with uppercase characters from A to F and digits from 0 to 9
static final String	LOWERCASE	Alphabet composed by lowercase characters of the English alphabet
static final String	LOWERCASE_DIGIT	Alphabet composed by lowercase characters of the English alphabet and the digits from 0 to 9
static final String	UPPERCASE	Alphabet composed by uppercase characters of the English alphabet
static final String	UPPERCASE_DIGIT	Alphabet composed by uppercase characters of the English alphabet and the digits from 0 to 9

Constructor Summary

Constructors

Constructor	Description
RandomToken(String alphabet, int size)	Generate a random sequence of fixed size string.

Method Summary

Modifier and Type	Method	Description
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

ALPHA_DIGIT

public static final String ALPHA_DIGIT

Alphabet composed by uppercase characters and lowercase characters of the English alphabet and the digits from 0 to 9

See Also:

• Constant Field Values

ALPHA

public static final String ALPHA

Alphabet composed by uppercase characters and lowercase characters of the English alphabet

See Also:

• Constant Field Values

LOWERCASE_DIGIT

public static final String LOWERCASE_DIGIT

Alphabet composed by lowercase characters of the English alphabet and the digits from 0 to 9

See Also:

• Constant Field Values

UPPERCASE_DIGIT

public static final String UPPERCASE_DIGIT

Alphabet composed by uppercase characters of the English alphabet and the digits from 0 to 9

See Also:

• Constant Field Values

LOWERCASE

public static final String LOWERCASE

Alphabet composed by lowercase characters of the English alphabet

See Also:

• Constant Field Values

UPPERCASE

public static final String UPPERCASE

Alphabet composed by uppercase characters of the English alphabet

See Also:

• Constant Field Values

HEX

public static final String HEX

Alphabet composed by the characters that defines the hexadecimal notation, with uppercase characters from A to F and digits from 0 to 9

See Also:

• Constant Field Values

DIGIT

public static final String DIGIT

Alphabet composed by digits from 0 to 9

See Also:

• Constant Field Values

_token

protected String _token

_code

protected String _code

Constructor Details

RandomToken

public RandomToken(String alphabet,
 int size)

Generate a random sequence of fixed size string. The token will be generated using only the characters contained in the given alphabet.

Parameters:

alphabet - string containing the characters that will be used to compose the random string. Generally you can pass one of the following constants:

• ALPHA_DIGIT: uppercase/lowercase letters and digits
• ALPHA: uppercase/lowercase letters
• LOWERCASE_DIGIT: lowercase letters and digits
• UPPERCASE_DIGIT: uppercase letters and digits
• LOWERCASE: lowercase letters
• UPPERCASE: uppercase letters
• HEX: hexadecimal letters and digits
• DIGIT: only digits

size - the length of the random string

Method Details

toString

public String toString()

Overrides:

toString in class Object