webserver

package webserverapp;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Date;

public class WebServerApp {
    public static void main(String[] args) {
        //The port, at which, the server is listening for requests
        int port = 80;
        try { //ServerSocket object is used to listen for requests
            ServerSocket ss = new ServerSocket(port);
            System.out.println("Server is ready to receive command!");
            while(true){ //accepting connection requests
                Socket socket = ss.accept(); //get the input stream to read data
                InputStream is = socket.getInputStream(); //Read data as character
                InputStreamReader isr = new InputStreamReader(is); //Read data as lines
                BufferedReader br = new BufferedReader(isr); //Read the string command from the user
                String command = br.readLine();
                String response = command;
                if(command.equalsIgnoreCase("GET / HTTP/1.1")) {
                    response = "<HTML> <TABLE border=\"1\"summary=\"This table gives some statistics about fruit                    flies: average height and weight, and percentage                    with red eyes (for both males and females).\"> <CAPTION><EM>A test table with merged cells</EM></CAPTION> <TR><TH rowspan=\"2\"><TH colspan=\"2\">Average     <TH rowspan=\"2\">Red<BR>eyes <TR><TH>height<TH>weight <TR><TH>Males<TD>1.9<TD>0.003<TD>40% <TR><TH>Females<TD>1.7<TD>0.002<TD>43% </TABLE> </HTML>";
                }
                else if(command.equalsIgnoreCase("GET /anotherpage.html HTTP/1.1")) {
                    response = "<HTML><h1>This is another page</h1></HTML>";
                }
                else {
                    response = "<HTML><h1>404 - Page not found</h1><h2><a href=\"/\">Homepage</a></h2></HTML>";
                }
                //String response = "<HTML> <TABLE border=\"1\"summary=\"This table gives some statistics about fruit                    flies: average height and weight, and percentage                    with red eyes (for both males and females).\"> <CAPTION><EM>A test table with merged cells</EM></CAPTION> <TR><TH rowspan=\"2\"><TH colspan=\"2\">Average     <TH rowspan=\"2\">Red<BR>eyes <TR><TH>height<TH>weight <TR><TH>Males<TD>1.9<TD>0.003<TD>40% <TR><TH>Females<TD>1.7<TD>0.002<TD>43% </TABLE> </HTML>";

                //Access to the output stream, to write data back
                OutputStream os = socket.getOutputStream(); //Write lines
                PrintWriter pw = new PrintWriter(os);
                pw.println(response);
                pw.flush();                 pw.close();
                socket.close();
            }
        }
        catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}