content: package act.util;
  
  /*-
   * #%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.cli.TableView;
  
  import java.lang.annotation.*;
  
  /**
   * Mark a command method return value shall be displayed as a JSON object. e.g
   *
   * ```
   * [
   *  {
   *      "ID": "__act_app_stop",
   *      "onetime": true,
   *      "trigger": null
   *  },
   *  {
   *      "id": "__act_app_app_act_plugin_loaded",
   *      "onetime": true,
   *      "trigger": null
   *  }
   * ]
   * ```
   *
   * `JsonView` can be used in conjunction with {@link PropertySpec}
   * to export only specified fields
   *
   * When the command method is also used as HTTP request handler,
   * the response type will be set as `application/json`.
   *
   * @see TableView
   * @see PropertySpec
   */
  @Retention(RetentionPolicy.RUNTIME)
  @Target({ElementType.METHOD, ElementType.TYPE})
  @Inherited
  public @interface JsonView {
  }
  