in.clouthink.daas.security.token.core.captcha

Class RandomUtils

java.lang.Object

in.clouthink.daas.security.token.core.captcha.RandomUtils

public class RandomUtils
extends Object

Generate random string

Since:

1.8.0

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALL_CHAR
static String	LETTER_CHAR
static String	NUMBER_CHAR

Constructor Summary

Constructors

Constructor and Description
RandomUtils()

Method Summary

Modifier and Type	Method and Description
static String	generateLetterString(int length)
static String	generateLowerString(int length)
static String	generateMixString(int length)
static String	generateNumberString(int length)
static String	generateUpperString(int length)

Methods inherited from class java.lang.Object

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

Field Detail

ALL_CHAR

public static final String ALL_CHAR

See Also:

Constant Field Values

LETTER_CHAR

public static final String LETTER_CHAR

See Also:

Constant Field Values

NUMBER_CHAR

public static final String NUMBER_CHAR

See Also:

Constant Field Values

Constructor Detail

RandomUtils

public RandomUtils()

Method Detail

generateLetterString

public static String generateLetterString(int length)

generateLowerString

public static String generateLowerString(int length)

generateUpperString

public static String generateUpperString(int length)

generateNumberString

public static String generateNumberString(int length)

generateMixString

public static String generateMixString(int length)