Properties.java Source code

Introduction

Here is the source code for Properties.java
Source

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class Properties extends HttpServlet {
    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        PrintWriter out = resp.getWriter();
        out.println("<html>");
        out.println("<head>");
        out.println("<title>My First Servlet</title>");
        out.println("</head>");
        out.println("<h2><center>");
        out.println("Information About You</center></h2>");
        out.println("<br>");

        out.println("<center><table border>");
        out.println("<tr>");
        out.println("<td>Method</td>");
        out.println("<td>" + req.getMethod() + "</td>");
        out.println("</tr>");

        out.println("<tr>");
        out.println("<td>User</td>");
        out.println("<td>" + req.getRemoteUser() + "</td>");
        out.println("</tr>");

        out.println("<tr>");
        out.println("<td>Client</td>");
        out.println("<td>" + req.getRemoteHost() + "</td>");
        out.println("</tr>");

        out.println("<tr>");
        out.println("<td>Protocol</td>");
        out.println("<td>" + req.getProtocol() + "</td>");
        out.println("</tr>");

        java.util.Enumeration e = req.getParameterNames();
        while (e.hasMoreElements()) {
            String name = (String) e.nextElement();
            out.println("<tr>");
            out.println("<td>Parameter '" + name + "'</td>");
            out.println("<td>" + req.getParameter(name) + "</td>");
            out.println("</tr>");
        }

        out.println("</table></center><br><hr><br>");

        out.println("<h2><center>");
        out.println("Server Properties</center></h2>");
        out.println("<br>");

        out.println("<center><table border width=80%>");

        java.util.Properties props = System.getProperties();
        e = props.propertyNames();

        while (e.hasMoreElements()) {
            String name = (String) e.nextElement();
            out.println("<tr>");
            out.println("<td>" + name + "</td>");
            out.println("<td>" + props.getProperty(name) + "</td>");
            out.println("</tr>");
        }
        out.println("</table></center>");

        out.println("</html>");
        out.flush();
    }

    public void init() throws ServletException {
        ServletConfig config = getServletConfig();
    }

    public void destroy() {
    }
}