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/** * AdFlakeManager.java (AdFlakeSDK-Android) */*w w w . ja va 2s . c o m*/ * Copyright ? 2013 MADE GmbH - All Rights Reserved. * * Unauthorized copying of this file, via any medium is strictly prohibited * unless otherwise noted in the License section of this document header. * * @file AdFlakeManager.java * @copyright 2013 MADE GmbH. All rights reserved. * @section License * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.adflake; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.lang.ref.WeakReference; import java.net.URL; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Random; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.content.Context; import android.content.SharedPreferences; import android.content.pm.PackageManager; import android.graphics.drawable.Drawable; import android.location.Location; import android.location.LocationManager; import android.provider.Settings.Secure; import android.util.DisplayMetrics; import android.util.Log; import android.view.WindowManager; import com.adflake.adapters.AdColonyVideoAdsAdapter; import com.adflake.obj.Custom; import com.adflake.obj.Extra; import com.adflake.obj.Ration; import com.adflake.util.AdFlakeUtil; /** * The AdFlakeManager class manages the AdFlake configuration. If necessary the * class will download it from a remote server. */ public class AdFlakeManager { public String adFlakeKey; public String localeString; public String deviceIDHash; public boolean sleeperMode; public boolean videoAdsAvailable; public Location location; /** * Instantiates a new ad flake manager. * * @param contextReference * the context reference * @param adFlakeKey * the ad flake key */ public AdFlakeManager(WeakReference<Context> contextReference, String adFlakeKey) { Log.i(AdFlakeUtil.ADFLAKE, "Creating adFlakeManager..."); this._contextReference = contextReference; this.adFlakeKey = adFlakeKey; this.sleeperMode = false; localeString = Locale.getDefault().toString(); Log.d(AdFlakeUtil.ADFLAKE, "Locale is: " + localeString); MessageDigest md; try { md = MessageDigest.getInstance("MD5"); StringBuffer deviceIDString = new StringBuffer(Secure.ANDROID_ID); deviceIDString.append("AdFlake"); deviceIDHash = AdFlakeUtil.convertToHex(md.digest(deviceIDString.toString().getBytes())); } catch (NoSuchAlgorithmException e) { deviceIDHash = "00000000000000000000000000000000"; } Log.d(AdFlakeUtil.ADFLAKE, "Hashed device ID is: " + deviceIDHash); Log.i(AdFlakeUtil.ADFLAKE, "Finished creating adFlakeManager"); } /** * Sets the config expire timeout. * * @param configExpireTimeout * the new config expire timeout */ public static void setConfigExpireTimeout(long configExpireTimeout) { AdFlakeManager._configExpireTimeout = configExpireTimeout; } /** * Gets the extra. * * @return the extra */ public Extra getExtra() { if (_totalWeight <= 0) { return null; } else { return this._extra; } } /** * Gets the darted ration. * * @return the darted ration */ public Ration getDartedRation() { Random random = new Random(); double r = random.nextDouble() * _totalWeight; double s = 0; Log.d(AdFlakeUtil.ADFLAKE, "Dart is <" + r + "> of <" + _totalWeight + ">"); Iterator<Ration> it = this._rationsList.iterator(); Ration ration = null; while (it.hasNext()) { ration = it.next(); s += ration.weight; if (s >= r) { break; } } return ration; } /** * Gets the ration for current rollover list position. * * @return the ration for current rollover list position */ public Ration getRationForCurrentRolloverListPosition() { if (this._rollovers == null) { return null; } Ration ration = null; if (this._rollovers.hasNext()) { ration = this._rollovers.next(); } return ration; } /** * Reset rollover list pointer to the beginning of the list. */ public void resetRollover() { this._rollovers = this._rationsList.iterator(); } /** * Fetch a custom banner from server with the specifeid network id. * * @param nid * the nid * @return the custom */ public Custom fetchCustomBannerFromServerWithNetworkID(String nid) { HttpClient httpClient = new DefaultHttpClient(); String locationString; if (_extra.locationOn == 1) { location = getCurrentLocation(); if (location != null) { locationString = String.format(AdFlakeUtil.locationString, location.getLatitude(), location.getLongitude(), location.getTime()); } else { locationString = ""; } } else { location = null; locationString = ""; } String url = String.format(AdFlakeUtil.urlCustom, this.adFlakeKey, nid, deviceIDHash, localeString, locationString, AdFlakeUtil.VERSION); HttpGet httpGet = new HttpGet(url); HttpResponse httpResponse; try { httpResponse = httpClient.execute(httpGet); Log.d(AdFlakeUtil.ADFLAKE, httpResponse.getStatusLine().toString()); HttpEntity entity = httpResponse.getEntity(); if (entity != null) { InputStream inputStream = entity.getContent(); String jsonString = convertStreamToString(inputStream); return parseCustomJsonString(jsonString); } } catch (ClientProtocolException e) { Log.e(AdFlakeUtil.ADFLAKE, "Caught ClientProtocolException in getCustom()", e); } catch (IOException e) { Log.e(AdFlakeUtil.ADFLAKE, "Caught IOException in getCustom()", e); } return null; } /** * Fetch the ADFlake config from the remote server. * * @note If the config timeout has not been hit, the previously downloaded * config will be reused. If testmode is enabled, the config will * always be downloaded. */ public void fetchConfigFromServer() { Context context = _contextReference.get(); // If the context is null here something went wrong with initialization. if (context == null) { return; } SharedPreferences adFlakePrefs = context.getSharedPreferences(adFlakeKey, Context.MODE_PRIVATE); String jsonString = adFlakePrefs.getString(PREFS_STRING_CONFIG, null); long timestamp = adFlakePrefs.getLong(PREFS_STRING_TIMESTAMP, -1); Log.d(AdFlakeUtil.ADFLAKE, "Prefs{" + adFlakeKey + "}: {\"" + PREFS_STRING_CONFIG + "\": \"" + jsonString + "\", \"" + PREFS_STRING_TIMESTAMP + "\": " + timestamp + "}"); if (jsonString == null || _configExpireTimeout == -1 || System.currentTimeMillis() >= timestamp + _configExpireTimeout || AdFlakeTargeting.getTestMode() == true) { Log.i(AdFlakeUtil.ADFLAKE, "Stored config info not present or expired, fetching fresh data"); HttpClient httpClient = new DefaultHttpClient(); String url = String.format(AdFlakeUtil.urlConfig, this.adFlakeKey, AdFlakeUtil.VERSION); HttpGet httpGet = new HttpGet(url); HttpResponse httpResponse; try { httpResponse = httpClient.execute(httpGet); Log.d(AdFlakeUtil.ADFLAKE, httpResponse.getStatusLine().toString()); HttpEntity entity = httpResponse.getEntity(); if (entity != null) { InputStream inputStream = entity.getContent(); jsonString = convertStreamToString(inputStream); SharedPreferences.Editor editor = adFlakePrefs.edit(); editor.putString(PREFS_STRING_CONFIG, jsonString); editor.putLong(PREFS_STRING_TIMESTAMP, System.currentTimeMillis()); editor.commit(); } } catch (ClientProtocolException e) { Log.e(AdFlakeUtil.ADFLAKE, "Caught ClientProtocolException in fetchConfig()", e); } catch (IOException e) { Log.e(AdFlakeUtil.ADFLAKE, "Caught IOException in fetchConfig()", e); } } else { Log.i(AdFlakeUtil.ADFLAKE, "Using stored config data"); } parseConfigurationString(jsonString); } /** * Convert stream to string. * * @param is * the is * @return the string */ private String convertStreamToString(InputStream is) { BufferedReader reader = new BufferedReader(new InputStreamReader(is), 8192); StringBuilder sb = new StringBuilder(); String line = null; try { while ((line = reader.readLine()) != null) { sb.append(line + "\n"); } } catch (IOException e) { Log.e(AdFlakeUtil.ADFLAKE, "Caught IOException in convertStreamToString()", e); return null; } finally { try { is.close(); } catch (IOException e) { Log.e(AdFlakeUtil.ADFLAKE, "Caught IOException in convertStreamToString()", e); return null; } } return sb.toString(); } /** * Parses the configuration section from the specified JSON string. * * @param jsonString * the json string */ private void parseConfigurationString(String jsonString) { Log.d(AdFlakeUtil.ADFLAKE, "Received jsonString: " + jsonString); try { JSONObject json = new JSONObject(jsonString); parseExtraJson(json.getJSONObject("extra")); parseRationsJson(json.getJSONArray("rations")); parseVideoRationsJson(json.getJSONArray("videoRations")); } catch (JSONException e) { Log.e(AdFlakeUtil.ADFLAKE, "Unable to parse response from JSON. This may or may not be fatal.", e); this._extra = new Extra(); } catch (NullPointerException e) { Log.e(AdFlakeUtil.ADFLAKE, "Unable to parse response from JSON. This may or may not be fatal.", e); this._extra = new Extra(); } } /** * Parses the extra section from the specified json object. * * @param json * the json */ private void parseExtraJson(JSONObject json) { Extra extra = new Extra(); try { extra.cycleTime = json.getInt("cycle_time"); extra.locationOn = json.getInt("location_on"); extra.transition = json.getInt("transition"); // Due to legacy clients, the server reports alpha on a scale of // 0.0-1.0 // instead of 0-255 JSONObject backgroundColor = json.getJSONObject("background_color_rgb"); extra.bgRed = backgroundColor.getInt("red"); extra.bgGreen = backgroundColor.getInt("green"); extra.bgBlue = backgroundColor.getInt("blue"); extra.bgAlpha = backgroundColor.getInt("alpha") * 255; JSONObject textColor = json.getJSONObject("text_color_rgb"); extra.fgRed = textColor.getInt("red"); extra.fgGreen = textColor.getInt("green"); extra.fgBlue = textColor.getInt("blue"); extra.fgAlpha = textColor.getInt("alpha") * 255; } catch (JSONException e) { Log.e(AdFlakeUtil.ADFLAKE, "Exception in parsing config.extra JSON. This may or may not be fatal.", e); } this._extra = extra; } /** * Parses the rations section from the specified json object. * * @param json * the json */ private void parseRationsJson(JSONArray json) { List<Ration> rationsList = new ArrayList<Ration>(); this._totalWeight = 0; try { int i; for (i = 0; i < json.length(); i++) { JSONObject jsonRation = json.getJSONObject(i); if (jsonRation == null) { continue; } Ration ration = new Ration(); ration.nid = jsonRation.getString("nid"); ration.type = jsonRation.getInt("type"); ration.name = jsonRation.getString("nname"); ration.weight = jsonRation.getInt("weight"); ration.priority = jsonRation.getInt("priority"); // Quattro has a special key format due to legacy compatibility. switch (ration.type) { case AdFlakeUtil.NETWORK_TYPE_QUATTRO: JSONObject keyObj = jsonRation.getJSONObject("key"); ration.key = keyObj.getString("siteID"); ration.key2 = keyObj.getString("publisherID"); break; case AdFlakeUtil.NETWORK_TYPE_NEXAGE: keyObj = jsonRation.getJSONObject("key"); ration.key = keyObj.getString("dcn"); ration.key2 = keyObj.getString("position"); break; default: ration.key = jsonRation.getString("key"); break; } this._totalWeight += ration.weight; rationsList.add(ration); } } catch (JSONException e) { Log.e(AdFlakeUtil.ADFLAKE, "JSONException in parsing config.rations JSON. This may or may not be fatal.", e); } Collections.sort(rationsList); if (this._totalWeight <= 0) { Log.i(AdFlakeUtil.ADFLAKE, "Sum of ration weights is 0 - no ads to be shown, sleeper mode enabled"); this.sleeperMode = true; } else { this.sleeperMode = false; } this._rationsList = rationsList; this._rollovers = this._rationsList.iterator(); } /** * Parses the rations section from the specified json object. * * @param json * the json */ private void parseVideoRationsJson(JSONArray json) { List<Ration> rationsList = new ArrayList<Ration>(); _totalVideoWeight = 0; try { int i; for (i = 0; i < json.length(); i++) { JSONObject jsonRation = json.getJSONObject(i); if (jsonRation == null) { continue; } Ration ration = new Ration(); ration.nid = jsonRation.getString("nid"); ration.type = jsonRation.getInt("type"); ration.name = jsonRation.getString("nname"); ration.weight = jsonRation.getInt("weight"); ration.priority = jsonRation.getInt("priority"); switch (ration.type) { case AdFlakeUtil.NETWORK_TYPE_BEACHFRONT: case AdFlakeUtil.NETWORK_TYPE_ADCOLONY: ration.key = jsonRation.getString("key"); int zoneIndex = ration.key.indexOf("|;|"); if (zoneIndex < 0) { Log.w(AdFlakeUtil.ADFLAKE, "key separator not found for network=" + ration.name); continue; } ration.key2 = ration.key.substring(zoneIndex + 3); ration.key = ration.key.substring(0, zoneIndex); break; default: ration.key = jsonRation.getString("key"); break; } this._totalVideoWeight += ration.weight; rationsList.add(ration); } } catch (JSONException e) { Log.e(AdFlakeUtil.ADFLAKE, "JSONException in parsing config.rations JSON. This may or may not be fatal.", e); } Collections.sort(rationsList); if (_totalVideoWeight <= 0) { Log.i(AdFlakeUtil.ADFLAKE, "Sum of video ration weights is 0 - no video ads available"); this.videoAdsAvailable = false; } else { this.videoAdsAvailable = true; } this._videoRationsList = rationsList; } /** * Parses the custom section from the specified json string. * * @param jsonString * the json string * @return the custom */ private Custom parseCustomJsonString(String jsonString) { Log.d(AdFlakeUtil.ADFLAKE, "Received custom jsonString: " + jsonString); Custom custom = new Custom(); try { JSONObject json = new JSONObject(jsonString); custom.type = json.getInt("ad_type"); custom.imageLink = json.getString("img_url"); custom.link = json.getString("redirect_url"); custom.description = json.getString("ad_text"); try { custom.imageLink640x100 = json.getString("img_url_640x100"); } catch (JSONException e) { custom.imageLink640x100 = null; } try { custom.imageLink480x75 = json.getString("img_url_480x75"); } catch (JSONException e) { custom.imageLink480x75 = null; } DisplayMetrics metrics = new DisplayMetrics(); ((WindowManager) _contextReference.get().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(metrics); if (metrics.density >= 2.0 && custom.type == AdFlakeUtil.CUSTOM_TYPE_BANNER && custom.imageLink640x100 != null && custom.imageLink640x100.length() != 0) { custom.image = fetchImageWithURL(custom.imageLink640x100); } else if (metrics.density >= 1.5 && custom.type == AdFlakeUtil.CUSTOM_TYPE_BANNER && custom.imageLink480x75 != null && custom.imageLink480x75.length() != 0) { custom.image = fetchImageWithURL(custom.imageLink480x75); } else { custom.image = fetchImageWithURL(custom.imageLink); } } catch (JSONException e) { Log.e(AdFlakeUtil.ADFLAKE, "Caught JSONException in parseCustomJsonString()", e); return null; } return custom; } /** * Fetch image with the specified url. * * @param urlString * the url string * @return the drawable */ private Drawable fetchImageWithURL(String urlString) { try { URL url = new URL(urlString); InputStream is = (InputStream) url.getContent(); Drawable d = Drawable.createFromStream(is, "src"); return d; } catch (Exception e) { Log.e(AdFlakeUtil.ADFLAKE, "Unable to fetchImage(): ", e); return null; } } /** * Gets the current location. * * @note If location is not enabled, this method will return null * @return the current location or null if location access is not enabled or * granted by the user. */ public Location getCurrentLocation() { if (_contextReference == null) { return null; } Context context = _contextReference.get(); if (context == null) { return null; } Location location = null; if (context.checkCallingOrSelfPermission(android.Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) { LocationManager lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); location = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER); } else if (context.checkCallingOrSelfPermission(android.Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) { LocationManager lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); location = lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); } return location; } public Ration getNextDartedVideoRation(List<Ration> usedVideoRations) { Random random = new Random(); double actualWeight = 0; for (Ration ration : _videoRationsList) { if (usedVideoRations.contains(ration)) continue; actualWeight += ration.weight; } double r = random.nextDouble() * actualWeight; double s = 0; Log.d(AdFlakeUtil.ADFLAKE, "Dart is <" + r + "> of <" + actualWeight + "> and total <" + _totalWeight + ">"); Iterator<Ration> it = this._videoRationsList.iterator(); Ration ration = null; while (it.hasNext()) { ration = it.next(); if (usedVideoRations.contains(ration)) continue; s += ration.weight; if (s >= r) { break; } } return ration; } public int getVideoRationCount() { return _videoRationsList.size(); } public void prepareVideoAdaptersForLayout(AdFlakeLayout adFlakeLayout) { Log.d(AdFlakeUtil.ADFLAKE, "prepareVideoAdaptersForLayout"); for (Ration ration : _videoRationsList) { try { switch (ration.type) { case AdFlakeUtil.NETWORK_TYPE_ADCOLONY: AdColonyVideoAdsAdapter.prepareForRation(ration, adFlakeLayout); break; default: break; } } catch (Throwable ex) { Log.e(AdFlakeUtil.ADFLAKE, "prepareVideoAdaptersForLayout failed to prepare for ration=" + ration.name + "\n error=" + ex.toString()); } } } private Extra _extra; private List<Ration> _rationsList; private List<Ration> _videoRationsList; private double _totalWeight = 0; private double _totalVideoWeight = 0; private WeakReference<Context> _contextReference; private Iterator<Ration> _rollovers; /** Default config expire timeout is 30 minutes. */ private static long _configExpireTimeout = 1800000; private final static String PREFS_STRING_TIMESTAMP = "timestamp"; private final static String PREFS_STRING_CONFIG = "config"; }