com.ijuru.ijambo.web.PlayServlet.java Source code

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Here is the source code for com.ijuru.ijambo.web.PlayServlet.java

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/**
 * Copyright 2012 Rowan Seymour
 * 
 * This file is part of Ijambo.
 *
 * Ijambo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Ijambo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Ijambo. If not, see <http://www.gnu.org/licenses/>.
 */

package com.ijuru.ijambo.web;

import java.io.IOException;

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

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import com.ijuru.ijambo.Context;
import com.ijuru.ijambo.Player;
import com.ijuru.ijambo.Utils;
import com.ijuru.ijambo.Word;
import com.ijuru.ijambo.Word.Difficulty;

/**
 * Main game play servlet
 */
public class PlayServlet extends HttpServlet {

    protected static final Logger log = LogManager.getLogger(PlayServlet.class);

    private static final long serialVersionUID = 1L;

    /**
     * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String message;
        String playerIdentifier = request.getParameter("id");
        String incoming = request.getParameter("incoming");

        if (StringUtils.isEmpty(playerIdentifier)) {
            message = "Player identifier must be provided";
        } else if (StringUtils.isEmpty(incoming)) {
            message = "Incoming message must be provided";
        } else {
            // Remove keyword from incoming message
            if (incoming.toLowerCase().startsWith("ijambo "))
                incoming = incoming.substring(7).trim();

            // Parse difficulty as a parameter
            Difficulty difficulty = null;
            try {
                difficulty = Difficulty.valueOf(incoming.toUpperCase());
            } catch (Exception ex) {
            }
            ;

            Player player = Context.getPlayerDAO().getPlayer(playerIdentifier);

            Word word = Context.getWordDAO().getRandomWord(difficulty);
            String scramble = Utils.scrambleWord(word.getWord().toUpperCase());
            String diffDisplay = StringUtils.capitalize(word.getDifficulty().name().toLowerCase());

            message = "[" + diffDisplay + "] unscramble " + scramble + " to find '" + word.getMeaning() + "'";

            if (player == null) {
                message += ". Play again to get answer";

                player = new Player(playerIdentifier, word.getWord());
            } else {
                message += ". Previous answer: " + player.getPrevAnswer().toUpperCase();

                player.setPrevAnswer(word.getWord());
            }

            Context.getPlayerDAO().save(player);
        }

        response.getWriter().write(message);
    }
}