Looks like my original suggestion should work for you:
Add this to your imports:
import
org.apache.roller.weblogger.ui.rendering.plugins.comments.CommentAuthenticator
- Dave
On Tue, Jun 21, 2011 at 3:30 AM, Scappatura Rocco
<[email protected]> wrote:
>> -----Original Message-----
>> From: Dave [mailto:[email protected]]
>> Sent: Monday, June 20, 2011 10:09 PM
>> To: [email protected]
>> Subject: Re: Comment authentication problem
>>
>> Unfortunately, we don't accept attachments.
>> Please paste into an email message.
>
> package org.rocsca.MathCommentAuthenticator;
>
> import java.util.ResourceBundle;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpSession;
> import org.apache.commons.logging.Log;
> import org.apache.commons.logging.LogFactory;
>
>
> /**
> * Asks the commenter to answer a simple math question.
> */
> public class MathCommentAuthenticator implements CommentAuthenticator {
>
> private transient ResourceBundle bundle =
> ResourceBundle.getBundle("ApplicationResources");
>
> private static Log mLogger =
> LogFactory.getLog(MathCommentAuthenticator.class);
>
>
> public String getHtml(HttpServletRequest request) {
>
> String answer = "";
>
> HttpSession session = request.getSession(true);
> if (session.getAttribute("mathAnswer") == null) {
> // starting a new test
> int value1 = (int)(Math.random()*10.0);
> int value2 = (int)(Math.random()*100.0);
> int sum = value1 + value2;
> session.setAttribute("mathValue1", new Integer(value1));
> session.setAttribute("mathValue2", new Integer(value2));
> session.setAttribute("mathAnswer", new Integer(sum));
> } else {
> // preserve user's answer
> answer = request.getParameter("answer");
> answer = (answer == null) ? "" : answer;
> }
>
> // pull existing values out of session
> Integer value1o =
> (Integer)request.getSession().getAttribute("mathValue1");
> Integer value2o =
> (Integer)request.getSession().getAttribute("mathValue2");
>
> StringBuffer sb = new StringBuffer();
>
> sb.append("<p>");
> sb.append(bundle.getString("comments.mathAuthenticatorQuestion"));
> sb.append("</p><p>");
> sb.append(value1o);
> sb.append(" + ");
> sb.append(value2o);
> sb.append(" = ");
> sb.append("<input name=\"answer\" value=\"");
> sb.append(answer);
> sb.append("\" /></p>");
> sb.append("<input type=hidden name=\"mathAnswer\" value=\"");
> sb.append(mathAnswer);
> sb.append("\" />");
>
> return sb.toString();
> }
>
>
> public boolean authenticate(HttpServletRequest request) {
>
> boolean authentic = false;
>
> HttpSession session = request.getSession(false);
> String answerString = request.getParameter("answer");
>
> if (answerString != null && session != null) {
> try {
> int answer = Integer.parseInt(answerString);
> Integer sum = (Integer) session.getAttribute("mathAnswer");
>
> if (mathAnswerString != null && answer ==
> Integer.parseInt(mathAnswerString)) {
> authentic = true;
> session.removeAttribute("mathAnswer");
> session.removeAttribute("mathValue1");
> session.removeAttribute("mathValue2");
> }
> } catch (NumberFormatException ignored) {
> // ignored ... someone is just really bad at math
> } catch (Exception e) {
> // unexpected
> mLogger.error(e);
> }
> }
>
> return authentic;
> }
>
> }
>
>> - Dave
>
> rocsca
>
>>
>>
>>
>> On Mon, Jun 20, 2011 at 3:57 PM, Scappatura Rocco
>> <[email protected]> wrote:
>> >> -----Original Message-----
>> >> From: Dave [mailto:[email protected]]
>> >> Sent: Monday, June 20, 2011 5:20 PM
>> >> To: [email protected]
>> >> Subject: Re: Comment authentication problem
>> >>
>> >> On Mon, Jun 20, 2011 at 9:28 AM, Scappatura Rocco
>> >> <[email protected]> wrote:
>> >> >> > import java.util.ResourceBundle;
>> >> >> > import javax.servlet.http.HttpServletRequest;
>> >> >> > import javax.servlet.http.HttpSession;
>> >> >> > import org.apache.commons.logging.Log;
>> >> >> > import org.apache.commons.logging.LogFactory;
>> >> >>
>> >> >> I don't see any org.apache.roller packages there.
>> >> >>
>> >> >> What is the package name of the class your are defining?
>> >> > package org.rocsca.MathCommentAuthenticator;
>> >>
>> >> The problem is that you code cannot find the "CommentAuthenticator"
>> >>
>> >> You might be able to fix this by adding this to your imports:
>> >> import
>> >>
>> org.apache.roller.weblogger.ui.rendering.plugins.comments.CommentAuthenticator
>> >>
>> >> But it's hard to tell because I don't have your full source.
>> >
>> > Obviously my code is open source! :-P
>> >
>> > In attachment there is the java code.
>> >
>> >> Thanks,
>> >> Dave
>> >
>> > Thanks to you!
>> > rocsca
>> >
>
