furkan.app.tictactoewebsocket.TicTacToeServlet.java Source code

Introduction

Here is the source code for furkan.app.tictactoewebsocket.TicTacToeServlet.java

Source

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package furkan.app.tictactoewebsocket;

import java.io.IOException;
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.lang3.math.NumberUtils;

/**
 *
 * @author SVLLA
 */
@WebServlet(name = "ticTacToeServlet", urlPatterns = "/tictactoe")
public class TicTacToeServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        request.setAttribute("pendingGames", TicTacToeGame.getPendingGames());
        this.view("list", request, response);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        String action = request.getParameter("action");
        if (action.equalsIgnoreCase("join")) {
            String gameIdString = request.getParameter("gameId");
            String username = request.getParameter("username");
            if (username == null || gameIdString == null || !NumberUtils.isDigits(gameIdString)) {
                this.list(request, response);
            } else {
                request.setAttribute("action", "join");
                request.setAttribute("username", username);
                request.setAttribute("gameId", Long.parseLong(gameIdString));
                this.view("game", request, response);
            }
        } else if (action.equalsIgnoreCase("start")) {
            String username = request.getParameter("username");
            if (username == null)
                this.list(request, response);
            else {
                request.setAttribute("action", "start");
                request.setAttribute("username", username);
                request.setAttribute("gameId", TicTacToeGame.queueGames(username));
                this.view("game", request, response);
            }
        } else
            this.list(request, response);
    }

    private void view(String view, HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.getRequestDispatcher("/WEB-INF/jsp/view/" + view + ".jsp").forward(request, response);
    }

    private void list(HttpServletRequest request, HttpServletResponse response) throws IOException {
        response.sendRedirect(response.encodeRedirectURL(request.getContextPath() + "/tictactoe"));
    }
}