showcode.java Source code

Introduction

Here is the source code for showcode.java

Source

/*
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 */

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.simple.JSONObject;
import org.apache.commons.io.FileUtils;
import java.io.File;
import connection.Config;
import java.sql.*;
import javax.servlet.http.HttpSession;

/**
 *
 * @author faridi
 */
public class showcode extends HttpServlet {

    HttpSession session = null;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here. You may use following sample code. */
            String username = (String) session.getAttribute("username");
            String id = (String) request.getParameter("id");
            String codepath = connection.Path.getArgPath("env", id) + id + "." + (String) request.getParameter("e");
            String contestid = (String) request.getParameter("c");

            Config c = new Config();
            Connection con = c.getcon();
            Statement st = con.createStatement();
            String qry = "select * from " + contestid + "submissions where codefilename='" + id + "'";
            //System.out.print(qry);

            ResultSet rs = st.executeQuery(qry);

            if (rs.next()) {
                if (rs.getString("access").equals("public") || rs.getString("username").equals(username)) {
                    String content = "";
                    File file = new File(codepath);
                    content = FileUtils.readFileToString(file);
                    // do something
                    JSONObject json = new JSONObject();
                    json.put("out", content);
                    json.put("chk", "1");
                    //json.put("rs",qry);
                    out.print(json);
                } else {
                    JSONObject json = new JSONObject();
                    json.put("chk", "0");
                    out.print(json);
                }
            }

        } catch (Exception e) {
            out.print(e.getMessage());
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> 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 <code>POST</code> 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 {

        session = request.getSession();
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}