content: package testapp.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.Act;
  import act.app.ActionContext;
  import act.controller.Controller;
  import org.osgl.http.H;
  import org.osgl.mvc.annotation.Before;
  import org.osgl.mvc.annotation.GetAction;
  
  import static act.controller.Controller.Util.render;
  import static act.controller.Controller.Util.text;
  
  @Controller
  public class VoidResultWithParamCtxFieldEmptyBody  {
      @Before
      public void mockFormat(String fmt, ActionContext context) {
          if ("json".equals(fmt)) {
              context.accept(H.Format.JSON);
          }
          context.session().put("foo", "bar");
      }
  
      @GetAction("/hello")
      public String sayHello() {
          return "Hello Ying!";
      }
  
      @GetAction("/bye")
      public void byePlayAndSpring() {
          text("bye Play and Spring!!");
      }
  
      @GetAction("/greeting")
      public void handle(String who, int age) {
          render(who, age);
      }
  
      @GetAction("/thank")
      public static String thankYou() {
          return "thank you!";
      }
  
      public static void main(String[] args) throws Exception {
          Act.start(HelloWorldApp.class);
      }
  }
  