com.octo.captcha.module.web.image
Class ImageToJpegHelper

java.lang.Object
  com.octo.captcha.module.web.image.ImageToJpegHelper

public class ImageToJpegHelper
extends java.lang.Object

Helper class

Version:

1.0

Author:

Marc-Antoine Garrigue

Constructor Summary

ImageToJpegHelper()

Method Summary

static void

flushNewCaptchaToResponse(javax.servlet.http.HttpServletRequest theRequest, javax.servlet.http.HttpServletResponse theResponse, org.slf4j.Logger log, ImageCaptchaService service, java.lang.String id, java.util.Locale locale) retrieve a new ImageCaptcha using ImageCaptchaService and flush it to the response. Captcha are localized using request locale. This method returns a 404 to the client instead of the image if the request isn't correct (missing parameters, etc...).. The log may be null.

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageToJpegHelper

public ImageToJpegHelper()

Method Detail

flushNewCaptchaToResponse

public static void flushNewCaptchaToResponse(javax.servlet.http.HttpServletRequest theRequest,
                                             javax.servlet.http.HttpServletResponse theResponse,
                                             org.slf4j.Logger log,
                                             ImageCaptchaService service,
                                             java.lang.String id,
                                             java.util.Locale locale)
                                      throws java.io.IOException

retrieve a new ImageCaptcha using ImageCaptchaService and flush it to the response.
Captcha are localized using request locale.

This method returns a 404 to the client instead of the image if the request isn't correct (missing parameters, etc...)..
The log may be null.

Parameters:

theRequest - the request

theResponse - the response

log - a commons logger

service - an ImageCaptchaService instance

Throws:

java.io.IOException - if a problem occurs during the jpeg generation process