root/SPARQLBuilderWWW/src/java/org/biohackathon/SPARQLBuilder/www/PLServlet.java @ 127

リビジョン 123, 3.7 KB (コミッタ: atsuko, 10 年 前)

SPARQL Builder WWW version
行番号 
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.*;
17
18/**
19 *
20 * @author atsuko
21 */
22@WebServlet(name = "PLServlet", urlPatterns = {"/plist"})
23public class PLServlet extends HttpServlet {
24
25    private static final String FILENAME = "cdata/";   
26   
27    /**
28     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
29     * methods.
30     *
31     * @param request servlet request
32     * @param response servlet response
33     * @throws ServletException if a servlet-specific error occurs
34     * @throws IOException if an I/O error occurs
35     */
36    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
37            throws ServletException, IOException {
38        response.setContentType("text/html;charset=UTF-8");
39        try (PrintWriter out = response.getWriter()) {
40            /* TODO output your page here. You may use following sample code. */
41            out.println("<!DOCTYPE html>");
42            out.println("<html>");
43            out.println("<head>");
44            out.println("<title>Servlet PLServlet</title>");           
45            out.println("</head>");
46            out.println("<body>");
47            out.println("<h1>Servlet PLServlet at " + request.getContextPath() + "</h1>");
48            out.println("</body>");
49            out.println("</html>");
50        }
51    }
52
53    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
54    /**
55     * Handles the HTTP <code>GET</code> method.
56     *
57     * @param request servlet request
58     * @param response servlet response
59     * @throws ServletException if a servlet-specific error occurs
60     * @throws IOException if an I/O error occurs
61     */
62    @Override
63    protected void doGet(HttpServletRequest request, HttpServletResponse response)
64            throws ServletException, IOException {
65        //processRequest(request, response);
66        response.setContentType("application/json;charset=UTF-8");
67        PrintWriter out = response.getWriter();
68        String ep = request.getParameter("ep");
69        String st = request.getParameter("startclass");
70        String en = request.getParameter("endclass");
71       
72        QueryPathGenerator qpg = new QueryPathGenerator(ep, FILENAME);
73        Path[] paths = qpg.getPaths(st, en, true);
74        String jsonstr = "{\"paths\":[";
75        for(int i = 0; i< paths.length; i++){
76            if (i > 0 ){
77                jsonstr += ",";
78            }
79            jsonstr += paths[i].toJSONString2();
80        }
81        jsonstr += "]}";
82        System.out.println("JSON:");
83        System.out.println(jsonstr);
84        out.print(jsonstr);
85    }
86
87    /**
88     * Handles the HTTP <code>POST</code> method.
89     *
90     * @param request servlet request
91     * @param response servlet response
92     * @throws ServletException if a servlet-specific error occurs
93     * @throws IOException if an I/O error occurs
94     */
95    @Override
96    protected void doPost(HttpServletRequest request, HttpServletResponse response)
97            throws ServletException, IOException {
98        processRequest(request, response);
99    }
100
101    /**
102     * Returns a short description of the servlet.
103     *
104     * @return a String containing servlet description
105     */
106    @Override
107    public String getServletInfo() {
108        return "Short description";
109    }// </editor-fold>
110
111}
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