edu.byui.firstproject.helloWorld.getPost.java Source code

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Here is the source code for edu.byui.firstproject.helloWorld.getPost.java

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/*
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package edu.byui.firstproject.helloWorld;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.IOUtils;

/**
 *
 * @author curtiscavalier
 */

@WebServlet(name = "getPost", urlPatterns = { "/getPost" })
public class getPost extends HttpServlet {

    /**
     * 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");
        try {
            File file = new File("entry.txt");
            if (!file.exists()) {
                file.createNewFile();
            }
            FileInputStream inputStream = new FileInputStream("entry.txt");
            String everything = IOUtils.toString(inputStream);
            String[] ss = everything.split("\n");
            try (PrintWriter out = response.getWriter()) {
                for (int a = (ss.length - 1); a >= 0; a--) {

                    String[] entry = ss[a].split("//");
                    out.println("<table width=\"400\" border=\"1\" cellpadding=\"10\">");
                    out.println("<tbody>");
                    out.println("<tr>");
                    out.println("<td>" + "Time : " + entry[0] + "</td>");
                    out.println("<td>" + "User : " + entry[1] + "</td>");
                    out.println("</tr>");
                    out.println("<tr>");
                    out.println("<td colspan = \"2\">" + "Entry : " + entry[2] + "</td>");
                    out.println("</tr>");
                    out.println("</tbody>");
                    out.println("</table>");

                }
                out.println("<a href=forum.>Click here to return</a>");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    // <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 {
        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>

}