| /* |
| * 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.hadoop.chukwa.hicc.rest; |
| |
| import java.lang.reflect.Type; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.PUT; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| |
| import org.apache.log4j.Logger; |
| |
| import com.google.gson.Gson; |
| import com.google.gson.reflect.TypeToken; |
| |
| @Path("session") |
| public class SessionController { |
| static Logger LOG = Logger.getLogger(SessionController.class); |
| |
| /** |
| * Utility to get session attributes |
| * @param id |
| * @return session attribute |
| */ |
| @GET |
| @Path("key/{id}") |
| @Produces(MediaType.APPLICATION_JSON) |
| public String draw(@Context HttpServletRequest request, @PathParam("id") String id) { |
| String value = (String) request.getSession().getAttribute(id); |
| Map<String, String> map = new HashMap<String, String>(); |
| map.put(id, value); |
| Gson gson = new Gson(); |
| String json = gson.toJson(map); |
| return json; |
| } |
| |
| @PUT |
| @Path("save") |
| public Response save(@Context HttpServletRequest request, String buffer) { |
| Gson gson = new Gson(); |
| Type stringStringMap = new TypeToken<Map<String, String>>(){}.getType(); |
| Map<String,String> map = gson.fromJson(buffer, stringStringMap); |
| for(String key : map.keySet()) { |
| request.getSession().setAttribute(key, map.get(key)); |
| } |
| return Response.ok().build(); |
| } |
| } |