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 java.lang.Object
implements com.octo.captcha.component.image.fontgenerator.FontGenerator

Constructor Summary

AtlassianRandomFontGenerator()

Method Summary

protected java.awt.Font	applyRandomStyle(java.awt.Font font)
java.awt.Font	getFont()
int	getMaxFontSize()
int	getMinFontSize()
protected java.util.List<java.awt.Font>	getRandomFontsForCaptchas(java.lang.Iterable<java.awt.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 java.awt.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 java.awt.Font applyRandomStyle(java.awt.Font font)

getRandomFontsForCaptchas

@NotNull
protected java.util.List<java.awt.Font> getRandomFontsForCaptchas(java.lang.Iterable<java.awt.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