content: package act.ws;
  
  /*-
   * #%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.RequestHandlerBase;
  import com.alibaba.fastjson.JSON;
  import org.osgl.$;
  import org.osgl.http.H;
  import org.osgl.util.C;
  import org.osgl.util.S;
  
  import javax.inject.Inject;
  import java.util.Map;
  
  /**
   * This request handler is responsible for generating a
   * secure ticket which can be used to authenticate a user.
   *
   * A typical use case is once a user logged in the frontend
   * app can request a secure ticket and use it to
   * authenticate a websocket connection
   */
  public class SecureTicketHandler extends RequestHandlerBase {
  
      private SecureTicketCodec secureTicketCodec;
  
      @Inject
      public SecureTicketHandler(SecureTicketCodec codec) {
          this.secureTicketCodec = $.requireNotNull(codec);
      }
  
      @Override
      public void handle(ActionContext context) {
          Object ticket = secureTicketCodec.createTicket(context.session());
          H.Format accept = context.accept();
          H.Response resp = context.prepareRespForResultEvaluation();
          resp.contentType(accept.contentType());
          String content;
          if (H.Format.JSON.isSameTypeWith(accept)) {
              Map<String, Object> map = C.Map("ticket", ticket);
              content = JSON.toJSONString(map);
          } else if (H.Format.XML.isSameTypeWith(accept)) {
              content = S.concat("<?xml version=\"1.0\" ?><ticket>", ticket.toString(), "</ticket>");
          } else {
              content = ticket.toString();
          }
          resp.writeContent(content);
      }
  
      @Override
      public String toString() {
          return "secure ticket handler";
      }
  
      @Override
      public void prepareAuthentication(ActionContext context) {
  
      }
  }
  