com.atlassian.bamboo.captcha

Class AtlassianRandomFontGenerator

java.lang.Object

com.atlassian.bamboo.captcha.AtlassianRandomFontGenerator

All Implemented Interfaces:

com.octo.captcha.component.image.fontgenerator.FontGenerator

public class AtlassianRandomFontGenerator
extends Object
implements com.octo.captcha.component.image.fontgenerator.FontGenerator

Constructor Summary

Constructors

Constructor and Description
AtlassianRandomFontGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
protected Font	applyRandomStyle(Font font)
Font	getFont()
int	getMaxFontSize()
int	getMinFontSize()
protected List<Font>	getRandomFontsForCaptchas(Iterable<Font> uncheckedFonts, int fontsToReturn) Create list of fonts that are not blacklisted for captcha and can display all requiredCharacters.

Methods inherited from class java.lang.Object

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

Constructor Detail

AtlassianRandomFontGenerator

public AtlassianRandomFontGenerator()

Method Detail

getFont

public Font getFont()

Specified by:

getFont in interface com.octo.captcha.component.image.fontgenerator.FontGenerator

Returns:

a random Font from the pool

getMinFontSize

public int getMinFontSize()

Specified by:

getMinFontSize in interface com.octo.captcha.component.image.fontgenerator.FontGenerator

getMaxFontSize

public int getMaxFontSize()

Specified by:

getMaxFontSize in interface com.octo.captcha.component.image.fontgenerator.FontGenerator

applyRandomStyle

protected Font applyRandomStyle(Font font)

getRandomFontsForCaptchas

@NotNull
protected List<Font> getRandomFontsForCaptchas(Iterable<Font> uncheckedFonts,
                                           int fontsToReturn)

Create list of fonts that are not blacklisted for captcha and can display all requiredCharacters. This method will not return more than fontsToReturn to avoid a problem of OS X - every font checked by canDisplay() remains open 'forever'.

Parameters:

uncheckedFonts - fonts to validate for captcha usage

fontsToReturn - return at least that many fonts

Returns:

list of fonts

See Also:

REQUIRED_CHARACTERS