com.alachisoft.ncache.web.examples.Welcome Maven / Gradle / Ivy

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package com.alachisoft.ncache.web.examples;

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;

public class Welcome extends HttpServlet
{
    /**
     * Processes requests for both HTTP
     * GET and
     * POST 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");
        String op = request.getParameter("operation");
        String attName = request.getParameter("attname");
        String attVal = request.getParameter("attval");
        PrintWriter out = response.getWriter();
        try
        {
            out.println("");
            out.println("");
            out.println("Servlet Welcome");
            out.println("");
            if (op.equalsIgnoreCase("invalidate"))
            {
                request.getSession().invalidate();
            }
            if (attName != null && attName.length() > 0)
            {
                request.getSession().setAttribute(attName, attVal);
            }
            out.println("");
            out.println("Servlet Welcome at " + request.getContextPath() + "");
            out.println("Now is  " + new java.util.Date());
            out.println("");
            out.println("");
        }
        finally
        {
            out.close();
        }
        System.out.println("I am here at " + new java.util.Date());
    }

    // 
    /**
     * Handles the HTTP
     * GET 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
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
    {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * POST 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
     */
    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
     */
    public String getServletInfo()
    {
        return "Short description";
    }
    // 
}