...
| Code Block |
|---|
<dependency>
<groupId>com.octo.captcha</groupId>
<artifactId>jcaptcha</artifactId>
<version>1.0-SNAPSHOT<0</version>
</dependency>
|
Without Maven2
Add jcaptcha-all.jar (provided in bin-distribution) and commons-collection-3.2 or greater (not provided see commons collection ) to your application class path, ie in you WEB-INF/lib folder.
...
Implement a CaptchaService
| Note |
|---|
| title | It must be a singleton |
|---|
|
|
...
| Code Block |
|---|
Boolean isResponseCorrect =Boolean.FALSE;
//remenber that we need an id to validate!
String captchaId = httpServletRequest.getSession().getId();
//retrieve the response
String response = httpServletRequest.getParameter("j_captcha_response");
// Call the Service method
try {
isResponseCorrect = CaptchaServiceSingleton.getInstance().validateResponseForID(captchaId,
response);
} catch (CaptchaServiceException e) {
//should not happen, may be thrown if the id is not valid
}
//do something according to the result!
|
Want some more
| Tipinfo |
|---|
| title | Try customization and more integration |
|---|
|
Have a look to the modules provided to see how to integrate it with other frameworks : |
| Tip |
|---|
|
Please put some code showing integration with a new framework in a child page of the How To |