content: package act.handler.builtin.controller;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 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.ActionContext;
  import act.handler.RequestHandler;
  import act.handler.RequestHandlerBase;
  import act.security.CSRF;
  import org.osgl.logging.LogManager;
  import org.osgl.logging.Logger;
  import org.osgl.util.E;
  
  /**
   * For any handler that does not require the framework to lookup incoming request
   * and construct the sessions, it shall extends from this class
   */
  public abstract class FastRequestHandler extends RequestHandlerBase {
  
      protected Logger logger = LogManager.get(getClass());
  
      public static final RequestHandler DUMB = new FastRequestHandler() {
          @Override
          public void handle(ActionContext context) {
          }
  
          @Override
          public boolean express(ActionContext context) {
              return true;
          }
  
          @Override
          public boolean skipEvents(ActionContext context) {
              return true;
          }
  
          @Override
          public String toString() {
              return "dumb handler (skip event)";
          }
      };
  
      public static final RequestHandler DUMB_NO_SKIP_EVENTS = new FastRequestHandler() {
          @Override
          public void handle(ActionContext context) {
          }
  
          @Override
          public boolean express(ActionContext context) {
              return true;
          }
  
          @Override
          public boolean skipEvents(ActionContext context) {
              return false;
          }
  
          @Override
          public String toString() {
              return "dumb handler";
          }
      };
  
      public static RequestHandler dumbHandler(ActionContext ctx) {
          return ctx.skipEvents() ? DUMB : DUMB_NO_SKIP_EVENTS;
      }
  
      @Override
      public boolean requireResolveContext() {
          return false;
      }
  
      @Override
      public CSRF.Spec csrfSpec() {
          return CSRF.Spec.DUMB;
      }
  
      @Override
      public String contentSecurityPolicy() {
          return null;
      }
  
      @Override
      public boolean disableContentSecurityPolicy() {
          return false;
      }
  
      @Override
      public boolean sessionFree() {
          return true;
      }
  
      @Override
      public void prepareAuthentication(ActionContext context) {
          throw E.unsupport();
      }
  }
  