content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  package org.apache.ambari.view.favorite;
  
  import org.apache.ambari.view.ViewContext;
  
  import jakarta.inject.Inject;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.core.Context;
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.Response;
  import jakarta.ws.rs.core.UriInfo;
  import java.io.IOException;
  import java.util.Map;
  import java.util.HashMap;
  
  /**
   * The Favorite service.
   */
  public class FavoriteService {
  
    private   static  final   String  PROPERTY_QUESTION = "what.is.the.question";
    private   static  final   String  PROPERTY_DONOTKNOW = "i.do.not.know";
  
    private   static  final   String  INSTANCE_ITEM = "favorite.item";
    
    /**
     * The view context.
     */
    @Inject
    ViewContext context;
  
    /**
     * Handles: POST /item/{thing}.
     *
     * @param headers   http headers
     * @param ui        uri info
     *
     * @return favorite item representation
     */
    @POST
    @Path("/item/{thing}")
    @Consumes({"text/plain", "application/json"})
    @Produces({"text/plain", "application/json"})
    public Response setFavoriteItem(@Context HttpHeaders headers, @Context UriInfo ui,
                              @PathParam("thing") String thing) {
                              
      context.putInstanceData(INSTANCE_ITEM, thing);
      
      StringBuffer buf = new StringBuffer();
      buf.append("{\"item\" : \"");
      buf.append(thing);
      buf.append("\"}");
  
      return Response.ok(buf.toString()).build();
    }
    
    /**
     * Handles: GET /item.
     *
     * @param headers   http headers
     * @param ui        uri info
     *
     * @return favorite item representation
     */
    @GET
    @Path("/item")
    @Produces({"text/plain", "application/json"})
    public Response getFavoriteItem(@Context HttpHeaders headers, @Context UriInfo ui) {
      System.out.println(" context = "+context);
  
      String item = context.getInstanceData(INSTANCE_ITEM);
      if (item == null || item.isEmpty())
          item = context.getProperties().get(PROPERTY_DONOTKNOW);
  
      StringBuffer buf = new StringBuffer();
      buf.append("{\"item\" : \"");
      buf.append(item);
      buf.append("\"}");
  
      return Response.ok(buf.toString()).build();
    }
  
    /**
     * Handles: GET /question.
     *
     * @param headers   http headers
     * @param ui        uri info
     *
     * @return favorite question representation
     */
    @GET
    @Path("/question")
    @Produces({"text/plain", "application/json"})
    public Response getQuestion(@Context HttpHeaders headers, @Context UriInfo ui) {
  
      String  question = context.getProperties().get(PROPERTY_QUESTION);
      String  username = context.getUsername();
  
      StringBuffer buf = new StringBuffer();
      buf.append("{\"question\" : \"");
      buf.append(question);
      buf.append("\", \"username\" : \"");
      buf.append(username);
      buf.append("\"}");
          
      return Response.ok(buf.toString()).build();
    }
  
  
  }
  