LevelStatsDBConnector.java

package org.andengine.util.levelstats;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.andengine.util.StreamUtils;
import org.andengine.util.call.Callback;
import org.andengine.util.debug.Debug;
import org.andengine.util.math.MathUtils;
import org.andengine.util.preferences.SimplePreferences;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import android.content.Context;
import android.content.SharedPreferences;

/**
 * (c) 2010 Nicolas Gramlich 
 * (c) 2011 Zynga Inc.
 * 
 * @author Nicolas Gramlich
 * @since 21:13:55 - 18.10.2010
 */
public class LevelStatsDBConnector {
	// ===========================================================
	// Constants
	// ===========================================================

	private static final String PREFERENCES_LEVELSTATSDBCONNECTOR_PLAYERID_ID = "preferences.levelstatsdbconnector.playerid";

	// ===========================================================
	// Fields
	// ===========================================================

	private final String mSecret;
	private final String mSubmitURL;
	private final int mPlayerID;

	// ===========================================================
	// Constructors
	// ===========================================================

	public LevelStatsDBConnector(final Context pContext, final String pSecret, final String pSubmitURL) {
		this.mSecret = pSecret;
		this.mSubmitURL = pSubmitURL;

		final SharedPreferences simplePreferences = SimplePreferences.getInstance(pContext);
		final int playerID = simplePreferences.getInt(PREFERENCES_LEVELSTATSDBCONNECTOR_PLAYERID_ID, -1);
		if(playerID != -1) {
			this.mPlayerID = playerID;
		} else {
			this.mPlayerID = MathUtils.random(1000000000, Integer.MAX_VALUE);
			SimplePreferences.getEditorInstance(pContext).putInt(PREFERENCES_LEVELSTATSDBCONNECTOR_PLAYERID_ID, this.mPlayerID).commit();
		}
	}

	// ===========================================================
	// Getter & Setter
	// ===========================================================

	// ===========================================================
	// Methods for/from SuperClass/Interfaces
	// ===========================================================

	public void submitAsync(final int pLevelID, final boolean pSolved, final int pSecondsElapsed) {
		this.submitAsync(pLevelID, pSolved, pSecondsElapsed, null);
	}

	public void submitAsync(final int pLevelID, final boolean pSolved, final int pSecondsElapsed, final Callback<Boolean> pCallback) {
		new Thread(new Runnable() {
			@Override
			public void run() {
				try{
					/* Create a new HttpClient and Post Header. */
					final HttpClient httpClient = new DefaultHttpClient();
					final HttpPost httpPost = new HttpPost(LevelStatsDBConnector.this.mSubmitURL);

					/* Append POST data. */
					final List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(5);

					nameValuePairs.add(new BasicNameValuePair("level_id", String.valueOf(pLevelID)));
					nameValuePairs.add(new BasicNameValuePair("solved", (pSolved) ? "1" : "0"));
					nameValuePairs.add(new BasicNameValuePair("secondsplayed", String.valueOf(pSecondsElapsed)));
					nameValuePairs.add(new BasicNameValuePair("player_id", String.valueOf(LevelStatsDBConnector.this.mPlayerID)));
					nameValuePairs.add(new BasicNameValuePair("secret", String.valueOf(LevelStatsDBConnector.this.mSecret)));

					httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

					/* Execute HTTP Post Request. */
					final HttpResponse httpResponse = httpClient.execute(httpPost);

					final int statusCode = httpResponse.getStatusLine().getStatusCode();
					if(statusCode == HttpStatus.SC_OK) {
						final String response = StreamUtils.readFully(httpResponse.getEntity().getContent());

						if(response.equals("<success/>")) {
							if(pCallback != null) {
								pCallback.onCallback(true);
							}
						} else {
							if(pCallback != null) {
								pCallback.onCallback(false);
							}
						}
					} else {
						if(pCallback != null) {
							pCallback.onCallback(false);
						}
					}
				}catch(final IOException e) {
					Debug.e(e);
					if(pCallback != null) {
						pCallback.onCallback(false);
					}
				}
			}
		}).start();
	}

	// ===========================================================
	// Methods
	// ===========================================================

	// ===========================================================
	// Inner and Anonymous Classes
	// ===========================================================
}