Java tutorial
/* * This file is part of Mockey, a tool for testing application * interactions over HTTP, with a focus on testing web services, * specifically web applications that consume XML, JSON, and HTML. * * Copyright (C) 2009-2010 Authors: * * chad.lafontaine (chad.lafontaine AT gmail DOT com) * neil.cronin (neil AT rackle DOT com) * lorin.kobashigawa (lkb AT kgawa DOT com) * rob.meyer (rob AT bigdis DOT com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ package com.mockey.ui; import java.io.IOException; import java.io.PrintStream; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import org.json.JSONException; import org.json.JSONObject; import com.mockey.model.Scenario; import com.mockey.model.Service; import com.mockey.model.ServicePlan; import com.mockey.storage.IMockeyStorage; import com.mockey.storage.StorageRegistry; /** * This is here to help manage Tags on Services. * * @author chad.lafontaine * */ public class TagHelperServlet extends HttpServlet { /** * */ private static final long serialVersionUID = -2146692704092245457L; private static IMockeyStorage store = StorageRegistry.MockeyStorage; private static Logger logger = Logger.getLogger(TagHelperServlet.class); public static final String FILTER_TAG = "FILTER_SESSION_TAG"; /** * Service does a few things, which includes: * */ public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String serviceId = req.getParameter("serviceId"); String servicePlanId = req.getParameter("servicePlanId"); String scenarioId = req.getParameter("scenarioId"); String action = req.getParameter("action"); String tag = req.getParameter("tag"); JSONObject jsonObject = new JSONObject(); try { // PERFORM ACTION (OPTIONAL) if ("filter_tag_on".equals(action)) { // Redirect to Home and SET as session FILTER, your tags. store.setGlobalStateSystemFilterTag(tag); jsonObject.put("success", "Filter by tag is on."); } else if ("filter_tag_off".equals(action)) { // Redirect to Home and SET as session FILTER, your tags. store.setGlobalStateSystemFilterTag(null); jsonObject.put("success", "Filter by tag is off."); } else if ("filter_status".equals(action)) { // Redirect to Home and SET as session FILTER, your tags. String filter = (String) req.getSession().getAttribute(FILTER_TAG); if (filter != null && filter.trim().length() > 0) { jsonObject.put("filter", filter.trim()); jsonObject.put("status", "on"); } else { jsonObject.put("filter", ""); jsonObject.put("status", "off"); } } else if ("delete_tag_from_store".equals(action)) { store.deleteTagFromStore(tag); jsonObject.put("success", "Deleted tag from all things."); } else if ("delete_tag_from_service".equals(action)) { Service service = store.getServiceById(new Long(serviceId)); service.removeTagFromList(tag); store.saveOrUpdateService(service); jsonObject.put("success", "Deleted tag from Service."); } else if ("delete_tag_from_service_plan".equals(action)) { ServicePlan servicePlan = store.getServicePlanById(new Long(servicePlanId)); servicePlan.removeTagFromList(tag); store.saveOrUpdateServicePlan(servicePlan); jsonObject.put("success", "Deleted tag from Service Plan."); } else if ("delete_tag_from_scenario".equals(action)) { Service service = store.getServiceById(new Long(serviceId)); Scenario scenario = service.getScenario(new Long(scenarioId)); scenario.removeTagFromList(tag); service.saveOrUpdateScenario(scenario); store.saveOrUpdateService(service); jsonObject.put("success", "Deleted tag from Scenario."); } else if ("update_service_tag".equals(action)) { Service service = store.getServiceById(new Long(serviceId)); service.clearTagList(); service.addTagToList(tag); store.saveOrUpdateService(service); jsonObject.put("success", "Updated tag(s) for this Service."); } else if ("update_scenario_tag".equals(action)) { Service service = store.getServiceById(new Long(serviceId)); Scenario scenario = service.getScenario(new Long(scenarioId)); scenario.clearTagList(); scenario.addTagToList(tag); service.saveOrUpdateScenario(scenario); store.saveOrUpdateService(service); jsonObject.put("success", "Updated tag(s) for this Scenario."); } // PRESENT STATE // // OK, now that things are up to date (if any action occurred), // let's present the state in the JSON // Why get the Service again? Because, we could have removed/edited // the tag information from one of the steps above. if (serviceId != null) { Service service = store.getServiceById(new Long(serviceId)); jsonObject.put("serviceId", "" + serviceId); if (scenarioId != null) { Scenario scenario = service.getScenario(new Long(scenarioId)); jsonObject.put("scenarioId", "" + scenario.getId()); jsonObject.put("tag", "" + scenario.getTag()); } else { jsonObject.put("tag", "" + service.getTag()); } } } catch (Exception e) { logger.debug("Unable to manage tag '" + tag + "' with action '" + action + "' :" + e.getMessage()); try { jsonObject.put("error", "" + "Sorry, not available."); } catch (JSONException e1) { logger.debug("What happended?" + e1.getMessage()); } } resp.setContentType("application/json"); PrintStream out = new PrintStream(resp.getOutputStream()); out.println(jsonObject.toString()); return; } }