| /* |
| * 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.geode.modules.session; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import javax.servlet.ServletConfig; |
| import javax.servlet.ServletContext; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.servlet.http.HttpSession; |
| |
| public class CommandServlet extends HttpServlet { |
| |
| private ServletContext context; |
| |
| /** |
| * The standard servlet method overridden. |
| * |
| */ |
| @Override |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) |
| throws IOException, ServletException { |
| |
| QueryCommand cmd = QueryCommand.UNKNOWN; |
| String param = request.getParameter("param"); |
| String value = request.getParameter("value"); |
| PrintWriter out = response.getWriter(); |
| |
| String cmdStr = request.getParameter("cmd"); |
| if (cmdStr != null) { |
| cmd = QueryCommand.valueOf(cmdStr); |
| } |
| |
| HttpSession session; |
| |
| switch (cmd) { |
| case SET: |
| session = request.getSession(); |
| session.setAttribute(param, value); |
| break; |
| case SET_MAX_INACTIVE: |
| session = request.getSession(); |
| session.setMaxInactiveInterval(Integer.valueOf(value)); |
| break; |
| case GET: |
| session = request.getSession(); |
| String val = (String) session.getAttribute(param); |
| if (val != null) { |
| out.write(val); |
| } |
| break; |
| |
| case INVALIDATE: |
| session = request.getSession(); |
| session.invalidate(); |
| break; |
| case CALLBACK: |
| Callback c = (Callback) context.getAttribute("callback"); |
| c.call(request, response); |
| break; |
| } |
| } |
| |
| /** |
| * Save a reference to the ServletContext for later use. |
| * |
| */ |
| @Override |
| public void init(ServletConfig config) { |
| this.context = config.getServletContext(); |
| } |
| } |