Hiscores.java

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author Paris
 */
public class Hiscores {
	private final static Map<String, Hiscores> cache = new ConcurrentHashMap<>();

	private final static String ROOT = "http://services.---------.com/";
	private final static String REFERER = "m=hiscore/heroes.ws";
	private final static String PAGE = ROOT + "m=hiscore/compare.ws?user1=%s";

	public class SkillStats {
		public int level, xp, rank;
		public String name;

		public SkillStats(final String name, final int level, final int xp, final int rank) {
			this.name = name;
			this.level = level;
			this.xp = xp;
			this.rank = rank;
		}

		public String getName() {
			return name;
		}

		public int getLevel() {
			return level;
		}

		public int getTotalXp() {
			return xp;
		}

		public int getRank() {
			return rank;
		}
	}

	public class ActivityStats {
		public int score, rank;
		public String name;

		public ActivityStats(final String name, final int score, final int rank) {
			this.name = name;
			this.score = score;
			this.rank = rank;
		}

		public String getName() {
			return name;
		}

		public int getScore() {
			return score;
		}

		public int getRank() {
			return rank;
		}
	}

	private final String username;
	private final Map<String, SkillStats> skills;
	private final Map<String, ActivityStats> activities;

	private Hiscores(final String username) throws IOException {
		final String html = download(String.format(PAGE, username));

		skills = new HashMap<>();
		activities = new HashMap<>();
		
		// actual codes removed for commercial reasons
	}

	public String getUsername() {
		return username;
	}

	public SkillStats getSkills(final String key) {
		return skills.get(key);
	}

	public ActivityStats getActivities(final String key) {
		return activities.get(key);
	}

	public static Hiscores getProfile(String username) {
		username = normaliseUsername(username);
		if (cache.containsKey(username)) {
			return cache.get(username);
		}
		Hiscores profile = null;
		try {
			profile = new Hiscores(username);
		} catch (final IOException ignored) {
		}
		cache.put(username, profile);
		return profile;
	}

	protected void clear() {
		cache.clear();
	}

	@SuppressWarnings("deprecation")
	private static String normaliseUsername(String s) {
		s = s.toLowerCase().replace(" ", "%A0");
		try {
			return URLEncoder.encode(s, "UTF-8");
		} catch (final UnsupportedEncodingException ignored) {
			return URLEncoder.encode(s);
		}
	}

	private synchronized String download(final String page) throws IOException {
		// not the real download method
		final URL url = new URL(page);
		final HttpURLConnection con = (HttpURLConnection) url.openConnection();
		con.addRequestProperty("Host", url.getHost());
		con.addRequestProperty("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31");
		con.addRequestProperty("Accept-Encoding", "gzip, deflate");
		con.addRequestProperty("Accept-Charset", "ISO-8859-1,UTF-8;q=0.7,*;q=0.7");
		con.addRequestProperty("Accept-Language", "en-us,en;q=0.5");
		con.addRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
		con.addRequestProperty("Connection", "close");
		con.addRequestProperty("Referer", REFERER);
		con.setConnectTimeout(10000);

		final int len = con.getContentLength();
		final byte[] buf;

		if (len != -1) {
			buf = new byte[len];
			con.getInputStream().read(buf);
		} else {
			final byte[] x = new byte[0x1000];
			final ByteArrayOutputStream bos = new ByteArrayOutputStream(0x7fff);
			final InputStream in = con.getInputStream();
			while (in.read(x) != -1) {
				bos.write(x);
			}
			buf = bos.toByteArray();
		}

		con.disconnect();
		return new String(buf, "UTF-8");
	}
}