/* ********************************************************************* * This Source Code Form is copyright of 51Degrees Mobile Experts Limited. * Copyright © 2017 51Degrees Mobile Experts Limited, 5 Charlotte Close, * Caversham, Reading, Berkshire, United Kingdom RG4 7BY * * This Source Code Form is the subject of the following patents and patent * applications, owned by 51Degrees Mobile Experts Limited of 5 Charlotte * Close, Caversham, Reading, Berkshire, United Kingdom RG4 7BY: * European Patent No. 2871816; * European Patent Application No. 17184134.9; * United States Patent Nos. 9,332,086 and 9,350,823; and * United States Patent Application No. 15/686,066. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. * * If a copy of the MPL was not distributed with this file, You can obtain * one at http://mozilla.org/MPL/2.0/. * * This Source Code Form is "Incompatible With Secondary Licenses", as * defined by the Mozilla Public License, v. 2.0. * ********************************************************************* */ package fiftyone.mobile.example.servlet; import fiftyone.mobile.detection.entities.Property; import fiftyone.mobile.detection.webapp.BaseServlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * * Illustrates how to use 51Degrees device detection individual properties and * values. *

* Example covers: *

Extending 51Degrees BaseServlet *

 *  
 *      public class UsingDetection extends BaseServlet {
 *  
 *

Accessing the dataset of the provider to retrieve a list of properties * available in the current data file. *
```
 *  
 *      super.getProvider(request).dataSet.getProperties();
 *  
 *  
```
*

Retrieving value for a specific property for the current request *

 *  
 *      String value = super.getProperty(request, propertyNameString);
 *  
 *

* This is a complete servlet example using 51Degrees device detection. * Remember to place the 51Degrees data file into the 'WEB-INF/51Degrees.dat' * directory or provide an alternative path to the data file in the * BINARY_FILE_PATH setting of Web.xml. * *

* The output below will vary depending on the data file you use. Premium and * Enterprise data files will provide considerably more properties than the * Lite (free) data file. * For more information please see: * * Compare Data Options */ // Snippet Start public class UsingDetection extends BaseServlet { /** * Processes requests for both HTTP GET and POST * methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs. * @throws IOException if there was a problem accessing the data file. */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); try { out.println(""); out.println(""); out.println(""); out.println("Servlet UsingDetection"); out.println(""); out.println(""); out.println("

51Degrees Servlet Device Detection Example.

"); String name, value; // Get a list of all properties available in the data file. // For each property print corresponding value. for (Property property : super.getProvider(request).dataSet.getProperties()) { // Name of the current property. name = property.getName(); // Value of the current property as a string. value = super.getProperty(request, name); // Only use value if it's not null. if (value != null) { out.println("

" + name + ": " + value + "

"); } } out.println(""); out.println(""); } finally { out.close(); } } /** * Handles the HTTP GET method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Handles the HTTP POST method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; } } // Snippet End