root/SPARQLBuilderWWW/src/java/org/biohackathon/SPARQLBuilder/www/EPServlet.java @ 139

リビジョン 133, 3.7 KB (コミッタ: atsuko, 10 年 前)

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