Leaderboard.java

/*
 * Copyright (C) 2013 RoketGamer <http://roketgamer.com> and contributors.
 *
 * This program 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.
 *
 * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.roketgamer.leaderboard;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;

import com.roketgamer.RoketGamer;

public class Leaderboard {
	
	private int id;
	
	/**
	 * Create a new <code>Leaderboard</code>.
	 * @param id
	 */
	public Leaderboard(int id) {
		this.id = id;
	}
	
	/**
	 * Get <code>Leaderboard</code> ID.
	 * @return
	 */
	public int getID() {
		return id;
	}
	
	/**
	 * Submit a leaderboard score. Returns if operation is successful.
	 * @param leaderboard
	 * @param score
	 * @return
	 */
	public boolean submit(int score) {
		try {
			URL url = new URL(RoketGamer.SERVER_LOCATION + "/api/" + RoketGamer.VERSION + "/leaderboard/submit.php?session=" + RoketGamer.getInstance().getSession().getSessionKey().trim() + "&id=" + getID() + "&score=" + score);
			
			URLConnection connection = url.openConnection();
		    connection.addRequestProperty("Protocol", "Http/1.1");
		    connection.addRequestProperty("Connection", "keep-alive");
		    connection.addRequestProperty("Keep-Alive", "1000");
		    connection.addRequestProperty("User-Agent", "Web-Agent");

			BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));

			String result = in.readLine();
			if (result.contains("true")) {
				in.close();
				return true;
			} else {
				in.close();
				return false;
			}

		} catch (Exception e) {
		}
		
		return false;
	}
	
	/**
	 * Get scores on a leaderboard.
	 * @param entries Number of scores to return.
	 * @return
	 */
	public ArrayList<LeaderboardEntry> getScores(int entries) {
		try {
			URL url = new URL(RoketGamer.SERVER_LOCATION + "/api/" + RoketGamer.VERSION + "/leaderboard/view.php?session=" + RoketGamer.getInstance().getSession().getSessionKey().trim() + "&id=" + getID() + "&entries=" + entries);
			
			URLConnection connection = url.openConnection();
		    connection.addRequestProperty("Protocol", "Http/1.1");
		    connection.addRequestProperty("Connection", "keep-alive");
		    connection.addRequestProperty("Keep-Alive", "1000");
		    connection.addRequestProperty("User-Agent", "Web-Agent");

			BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));

			String result = in.readLine();
			
			if (result.contains("false") || result.contains("Bad session")) {
				in.close();
				return new ArrayList<LeaderboardEntry>();
			} else {
				ArrayList<LeaderboardEntry> scores = new ArrayList<LeaderboardEntry>();
				scores.add(new LeaderboardEntry(result, Integer.parseInt(in.readLine())));
				
				result = in.readLine();
				
				while(!result.contains("true")) {
					scores.add(new LeaderboardEntry(result, Integer.parseInt(in.readLine())));
					result = in.readLine();
				}
				
				in.close();
				return scores;
			}

		} catch (Exception e) {
			e.printStackTrace();
		}
		
		return new ArrayList<LeaderboardEntry>();
	}
}