| 1 | /* |
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| 2 | * To change this license header, choose License Headers in Project Properties. |
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| 3 | * To change this template file, choose Tools | Templates |
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| 4 | * and open the template in the editor. |
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| 5 | */ |
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| 6 | |
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| 7 | package org.biohackathon.SPARQLBuilder.www; |
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| 8 | |
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| 9 | import java.io.IOException; |
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| 10 | import java.io.PrintWriter; |
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| 11 | import javax.servlet.ServletException; |
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| 12 | import javax.servlet.annotation.WebServlet; |
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| 13 | import javax.servlet.http.HttpServlet; |
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| 14 | import javax.servlet.http.HttpServletRequest; |
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| 15 | import javax.servlet.http.HttpServletResponse; |
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| 16 | import org.biohackathon.SPARQLBuilder.OWL.*; |
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| 17 | import javax.json.*; |
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| 18 | |
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| 19 | //import java.io.*; |
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| 20 | |
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| 21 | /** |
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| 22 | * |
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| 23 | * @author atsuko |
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| 24 | */ |
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| 25 | @WebServlet(name = "EPServlet", urlPatterns = {"/eplist"}) |
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| 26 | public class EPServlet extends HttpServlet { |
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| 27 | |
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| 28 | private RDFSchemaAnalyzerFactory factory = null; |
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| 29 | private static final String FILENAME = "cdata/"; |
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| 30 | |
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| 31 | /** |
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| 32 | * Processes requests for both HTTP <code>GET</code> and <code>POST</code> |
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| 33 | * methods. |
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| 34 | * |
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| 35 | * @param request servlet request |
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| 36 | * @param response servlet response |
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| 37 | * @throws ServletException if a servlet-specific error occurs |
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| 38 | * @throws IOException if an I/O error occurs |
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| 39 | */ |
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| 40 | protected void processRequest(HttpServletRequest request, HttpServletResponse response) |
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| 41 | throws ServletException, IOException { |
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| 42 | response.setContentType("text/html;charset=UTF-8"); |
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| 43 | try (PrintWriter out = response.getWriter()) { |
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| 44 | /* TODO output your page here. You may use following sample code. */ |
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| 45 | out.println("<!DOCTYPE html>"); |
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| 46 | out.println("<html>"); |
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| 47 | out.println("<head>"); |
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| 48 | out.println("<title>Servlet EPServlet</title>"); |
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| 49 | out.println("</head>"); |
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| 50 | out.println("<body>"); |
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| 51 | out.println("<h1>Servlet EPServlet at " + request.getContextPath() + "</h1>"); |
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| 52 | out.println("</body>"); |
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| 53 | out.println("</html>"); |
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| 54 | } |
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| 55 | } |
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| 56 | |
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| 57 | // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> |
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| 58 | /** |
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| 59 | * Handles the HTTP <code>GET</code> method. |
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| 60 | * |
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| 61 | * @param request servlet request |
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| 62 | * @param response servlet response |
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| 63 | * @throws ServletException if a servlet-specific error occurs |
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| 64 | * @throws IOException if an I/O error occurs |
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| 65 | */ |
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| 66 | @Override |
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| 67 | protected void doGet(HttpServletRequest request, HttpServletResponse response) |
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| 68 | throws ServletException, IOException { |
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| 69 | //processRequest(request, response); |
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| 70 | |
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| 71 | response.setContentType("application/json;charset=UTF-8"); |
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| 72 | PrintWriter out = response.getWriter(); |
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| 73 | if ( factory == null ){ |
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| 74 | factory = new RDFSchemaAnalyzerFactory(FILENAME); |
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| 75 | } |
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| 76 | String[] elist = factory.getEndpointURIList(); |
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| 77 | JsonBuilderFactory jbfactory = Json.createBuilderFactory(null); |
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| 78 | JsonArrayBuilder jab = jbfactory.createArrayBuilder(); |
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| 79 | for (int i = 0; i < elist.length; i++ ){ |
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| 80 | jab.add(elist[i]); |
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| 81 | } |
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| 82 | JsonArray ja = jab.build(); |
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| 83 | out.print(ja); |
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| 84 | } |
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| 85 | |
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| 86 | /** |
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| 87 | * Handles the HTTP <code>POST</code> method. |
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| 88 | * |
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| 89 | * @param request servlet request |
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| 90 | * @param response servlet response |
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| 91 | * @throws ServletException if a servlet-specific error occurs |
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| 92 | * @throws IOException if an I/O error occurs |
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| 93 | */ |
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| 94 | @Override |
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| 95 | protected void doPost(HttpServletRequest request, HttpServletResponse response) |
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| 96 | throws ServletException, IOException { |
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| 97 | processRequest(request, response); |
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| 98 | } |
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| 99 | |
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| 100 | /** |
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| 101 | * Returns a short description of the servlet. |
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| 102 | * |
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| 103 | * @return a String containing servlet description |
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| 104 | */ |
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| 105 | @Override |
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| 106 | public String getServletInfo() { |
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| 107 | return "Short description"; |
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| 108 | }// </editor-fold> |
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| 109 | |
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| 110 | } |
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