/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.acegisecurity.captcha;

 /**

  * <p>return false if thresold is greater than millis since last captcha test has occured;<br>

  * Default keyword : REQUIRES_CAPTCHA_AFTER_THRESOLD_IN_MILLIS</p>

  *

  * @author Marc-Antoine Garrigue

  * @version $Id: AlwaysTestAfterTimeInMillisCaptchaChannelProcessor.java 1496 2006-05-23 13:38:33Z benalex $

  */

 public class AlwaysTestAfterTimeInMillisCaptchaChannelProcessor extends CaptchaChannelProcessorTemplate {

     //~ Static fields/initializers =====================================================================================

     /** Keyword for this channelProcessor */

     public static final String DEFAULT_KEYWORD = "REQUIRES_CAPTCHA_AFTER_THRESOLD_IN_MILLIS";

     //~ Constructors ===================================================================================================

 /**

      * Constructor

      */

     public AlwaysTestAfterTimeInMillisCaptchaChannelProcessor() {

         super();

         this.setKeyword(DEFAULT_KEYWORD);

     }

     //~ Methods ========================================================================================================

     /**

      * Verify wheter the context is valid concerning humanity

      *

      * @param context the CaptchaSecurityContext

      *

      * @return true if valid, false otherwise

      */

     boolean isContextValidConcerningHumanity(CaptchaSecurityContext context) {

         if ((System.currentTimeMillis() - context.getLastPassedCaptchaDateInMillis()) < getThresold()) {

             logger.debug("context is valid : last passed captcha date - current time < thresold");

             return true;

         } else {

             logger.debug("context is not valid : last passed captcha date - current time > thresold");

             return false;

         }

     }

 }