org.shredzone.commons.captcha.impl

Class DefaultCaptchaGenerator

java.lang.Object

org.shredzone.commons.captcha.impl.DefaultCaptchaGenerator

All Implemented Interfaces:

CaptchaGenerator

@Component(value="captchaGenerator")
public class DefaultCaptchaGenerator
extends Object
implements CaptchaGenerator

Default implementation of CaptchaGenerator.

Author:

Richard "Shred" Körber

Constructor Summary

Constructors

Constructor and Description
DefaultCaptchaGenerator()

Method Summary

Modifier and Type	Method and Description
BufferedImage	createCaptcha(char[] text) Creates a captcha image of the given text.
int	getHeight() Gets the captcha image height.
int	getWidth() Gets the captcha image width.
void	setup() Sets up the captcha generator.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultCaptchaGenerator

public DefaultCaptchaGenerator()

Method Detail

getWidth

public int getWidth()

Description copied from interface: CaptchaGenerator

Gets the captcha image width. This method does not create an actual captcha image, and thus can be used e.g. for writign img width attributes.

Specified by:

getWidth in interface CaptchaGenerator

getHeight

public int getHeight()

Description copied from interface: CaptchaGenerator

Gets the captcha image height. This method does not create an actual captcha image, and thus can be used e.g. for writign img width attributes.

Specified by:

getHeight in interface CaptchaGenerator

setup

@PostConstruct
public void setup()

Sets up the captcha generator.

createCaptcha

public BufferedImage createCaptcha(char[] text)

Description copied from interface: CaptchaGenerator

Creates a captcha image of the given text.

Specified by:

createCaptcha in interface CaptchaGenerator

Parameters:

text - the text to be shown in the captcha image

Returns:

BufferedImage with the generated captcha