org.shredzone.commons.captcha.impl

Class DefaultCaptchaService

java.lang.Object

org.shredzone.commons.captcha.impl.DefaultCaptchaService

All Implemented Interfaces:

CaptchaService

@Component(value="captchaService")
public class DefaultCaptchaService
extends Object
implements CaptchaService

Default implementation of CaptchaService.

Author:

Richard "Shred" Körber

Constructor Summary

Constructors

Constructor and Description
DefaultCaptchaService()

Method Summary

Modifier and Type	Method and Description
BufferedImage	createCaptcha(HttpSession session) Creates a random captcha.
boolean	isValidCaptcha(HttpSession session, int x, int y) Checks if the captcha answer is valid.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultCaptchaService

public DefaultCaptchaService()

Method Detail

createCaptcha

public BufferedImage createCaptcha(HttpSession session)

Description copied from interface: CaptchaService

Creates a random captcha. The correct answer is stored in the session.

Specified by:

createCaptcha in interface CaptchaService

Parameters:

session - HttpSession to store the answer in

Returns:

BufferedImage generated captcha

isValidCaptcha

public boolean isValidCaptcha(HttpSession session,
                              int x,
                              int y)

Description copied from interface: CaptchaService

Checks if the captcha answer is valid.

Specified by:

isValidCaptcha in interface CaptchaService

Parameters:

session - HttpSession that contains the correct answer

x - x position of the mouse click

y - y position of the mouse click

Returns:

true if the captcha has been correctly answered