content: package act.controller.captcha;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2018 ActFramework
   * %%
   * 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.
   * #L%
   */
  
  import act.app.App;
  import act.app.AppServiceBase;
  import act.controller.captcha.render.CaptchaImageRender;
  import act.util.Stateless;
  import org.osgl.$;
  
  import java.util.ArrayList;
  import java.util.List;
  
  @Stateless
  public class CaptchaManager extends AppServiceBase<CaptchaManager> {
  
      private List<CaptchaSessionGenerator> generators = new ArrayList<>();
      private List<CaptchaImageRender> imageRender = new ArrayList<>();
  
      // so we can allow end to end test to by pass CAPTCHA protection
      private boolean disabled;
  
      public CaptchaManager(App app) {
          super(app);
      }
  
      public boolean disabled() {
          return disabled;
      }
  
      public void disable() {
          this.disabled = true;
      }
  
      public void enable() {
          this.disabled = false;
      }
  
      public void registerGenerator(CaptchaSessionGenerator generator) {
          generators.add(generator);
      }
  
      public void registerImageGenerator(CaptchaImageRender generator) {
          imageRender.add(generator);
      }
  
      @Override
      protected void releaseResources() {
          generators.clear();
      }
  
      public CaptchaSessionGenerator randomGenerator() {
          return $.random(generators);
      }
  
      public CaptchaImageRender randomImageRender() {
          return $.random(imageRender);
      }
  
  }
  