src/org/adblockplus/android/updater/AlarmReceiver.java - Issue 5153282527854592: Issue 98 - Use the libadblockplus update mechanism

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Issue 5153282527854592: Issue 98 - Use the libadblockplus update mechanism (Closed)

Patch Set: Store logging tag in a constant Created Sept. 26, 2014, 1:15 p.m.

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1 /*

2 * This file is part of Adblock Plus <http://adblockplus.org/>,

3 * Copyright (C) 2006-2014 Eyeo GmbH

4 *

5 * Adblock Plus is free software: you can redistribute it and/or modify

6 * it under the terms of the GNU General Public License version 3 as

7 * published by the Free Software Foundation.

8 *

9 * Adblock Plus is distributed in the hope that it will be useful,

10 * but WITHOUT ANY WARRANTY; without even the implied warranty of

11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

12 * GNU General Public License for more details.

13 *

14 * You should have received a copy of the GNU General Public License

15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.

16 */

17

18 package org.adblockplus.android.updater;

19

20 import java.io.IOException;

21 import java.io.StringReader;

22 import java.net.URI;

23 import java.net.URISyntaxException;

24 import java.net.URL;

25 import java.util.Locale;

26

27 import javax.xml.parsers.DocumentBuilder;

28 import javax.xml.parsers.DocumentBuilderFactory;

29 import javax.xml.parsers.ParserConfigurationException;

30

31 import org.adblockplus.android.AdblockPlus;

32 import org.adblockplus.android.R;

33 import org.adblockplus.android.Utils;

34 import org.apache.http.HttpEntity;

35 import org.apache.http.HttpResponse;

36 import org.apache.http.client.methods.HttpGet;

37 import org.apache.http.impl.client.DefaultHttpClient;

38 import org.apache.http.util.EntityUtils;

39 import org.w3c.dom.Document;

40 import org.w3c.dom.Element;

41 import org.w3c.dom.NodeList;

42 import org.xml.sax.InputSource;

43 import org.xml.sax.SAXException;

44

45 import android.app.Notification;

46 import android.app.NotificationManager;

47 import android.app.PendingIntent;

48 import android.content.BroadcastReceiver;

49 import android.content.Context;

50 import android.content.Intent;

51 import android.content.pm.PackageManager.NameNotFoundException;

52 import android.net.ConnectivityManager;

53 import android.net.NetworkInfo;

54 import android.os.Build;

55 import android.util.Log;

56

57 /**

58 * Processes Alarm event to check for update availability.

59 */

60 public class AlarmReceiver extends BroadcastReceiver

61 {

62 private static final String TAG = Utils.getTag(AlarmReceiver.class);

63 private static final int NOTIFICATION_ID = R.string.app_name + 1;

64

65 @Override

66 public void onReceive(final Context context, final Intent intent)

67 {

68 Log.i(TAG, "Alarm; requesting updater service");

69

70 final AdblockPlus application = AdblockPlus.getApplication();

71

72 // Indicates manual (immediate) update check which requires response to user .

73 final boolean notify = intent.getBooleanExtra("notifynoupdate", false);

74

75 // Check network availability

76 boolean connected = false;

77 final ConnectivityManager connectivityManager = (ConnectivityManager) contex t.getSystemService(Context.CONNECTIVITY_SERVICE);

78 NetworkInfo networkInfo = null;

79 if (connectivityManager != null)

80 {

81 networkInfo = connectivityManager.getActiveNetworkInfo();

82 connected = networkInfo == null ? false : networkInfo.isConnected();

83 }

84

85 // Prepare notification

86 final NotificationManager notificationManager = (NotificationManager) contex t.getSystemService(Context.NOTIFICATION_SERVICE);

87 final Notification notification = new Notification();

88 notification.icon = R.drawable.ic_stat_warning;

89 notification.when = System.currentTimeMillis();

90 notification.flags \|= Notification.FLAG_AUTO_CANCEL \| Notification.FLAG_ONLY _ALERT_ONCE;

91 if (notify)

92 notification.flags \|= Notification.DEFAULT_SOUND;

93 final PendingIntent emptyIntent = PendingIntent.getActivity(context, 0, new Intent(), 0);

94

95 // Get update info

96 if (application.checkWriteExternalPermission() && connected)

97 {

98 final Thread thread = new Thread(new Runnable()

99 {

100 @Override

101 public void run()

102 {

103 boolean success = false;

104 try

105 {

106 // Read updates manifest

107 final DefaultHttpClient httpClient = new DefaultHttpClient();

108

109 final String locale = Locale.getDefault().toString().toLowerCase();

110 final String device = AdblockPlus.getDeviceName();

111 final boolean releaseBuild = context.getResources().getBoolean(R.boo l.def_release);

112 final String updateUrlTemplate = context.getString(releaseBuild ? R. string.update_url : R.string.devbuild_update_url);

113 final URL updateUrl = new URL(String.format(updateUrlTemplate, Build .VERSION.SDK_INT, AdblockPlus.getApplication().getBuildNumber(), locale, device) );

114 // The following line correctly url-encodes query string parameters

115 final URI uri = new URI(updateUrl.getProtocol(), updateUrl.getUserIn fo(), updateUrl.getHost(), updateUrl.getPort(), updateUrl.getPath(), updateUrl.g etQuery(), updateUrl.getRef());

116 final HttpGet httpGet = new HttpGet(uri);

117

118 final HttpResponse httpResponse = httpClient.execute(httpGet);

119 final HttpEntity httpEntity = httpResponse.getEntity();

120 final String xml = EntityUtils.toString(httpEntity);

121

122 // Parse XML

123 final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstanc e();

124 final DocumentBuilder db = dbf.newDocumentBuilder();

125

126 final InputSource is = new InputSource();

127 is.setCharacterStream(new StringReader(xml));

128 final Document doc = db.parse(is);

129

130 // Find best match

131 final NodeList nl = doc.getElementsByTagName("updatecheck");

132 int newBuild = -1;

133 int newApi = -1;

134 String newUrl = null;

135 for (int i = 0; i < nl.getLength(); i++)

136 {

137 final Element e = (Element) nl.item(i);

138 final String url = e.getAttribute("package");

139 final int build = Integer.parseInt(e.getAttribute("build"));

140 final int api = Integer.parseInt(e.getAttribute("api"));

141 if (api > android.os.Build.VERSION.SDK_INT)

142 continue;

143 if ((build > newBuild) \|\| (build == newBuild && api > newApi))

144 {

145 newBuild = build;

146 newApi = api;

147 newUrl = url;

148 }

149 }

150

151 final int thisBuild = context.getPackageManager().getPackageInfo(con text.getPackageName(), 0).versionCode;

152

153 // Notify user if newer update was found

154 if (thisBuild < newBuild)

155 {

156 notification.icon = R.drawable.ic_stat_download;

157 final Intent intent = new Intent(context, UpdaterActivity.class).a ddFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

158 intent.setAction("download");

159 intent.putExtra("url", newUrl);

160 intent.putExtra("build", newBuild);

161 final PendingIntent updateIntent = PendingIntent.getActivity(conte xt, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);

162 notification.setLatestEventInfo(context, context.getText(R.string. app_name), context.getString(R.string.msg_update_available), updateIntent);

163 notificationManager.notify(NOTIFICATION_ID, notification);

164 }

165 // Notify user that no update was found

166 else if (notify)

167 {

168 notification.setLatestEventInfo(context, context.getText(R.string. app_name), context.getString(R.string.msg_update_missing), emptyIntent);

169 notificationManager.notify(NOTIFICATION_ID, notification);

170 }

171 success = true;

172 }

173 catch (final IOException e)

174 {

175 }

176 catch (final NumberFormatException e)

177 {

178 }

179 catch (final NameNotFoundException e)

180 {

181 }

182 catch (final ParserConfigurationException e)

183 {

184 }

185 catch (final SAXException e)

186 {

187 Log.e(TAG, "Error", e);

188 }

189 catch (final URISyntaxException e)

190 {

191 Log.e(TAG, "Error", e);

192 }

193 finally

194 {

195 if (!success)

196 {

197 // Notify user about failure

198 if (notify)

199 {

200 notification.setLatestEventInfo(context, context.getText(R.strin g.app_name), context.getString(R.string.msg_update_fail), emptyIntent);

201 notificationManager.notify(NOTIFICATION_ID, notification);

202 }

203 }

204 // Schedule next check

205 application.scheduleUpdater(0);

206 }

207 }

208 });

209 thread.start();

210 }

211 else

212 {

213 // Notify user about failure

214 if (notify)

215 {

216 notification.setLatestEventInfo(context, context.getText(R.string.app_na me), context.getString(R.string.msg_update_fail), emptyIntent);

217 notificationManager.notify(NOTIFICATION_ID, notification);

218 }

219 // Schedule retry in 30 minutes - there is no connection available at this time

220 application.scheduleUpdater(30);

221 }

222 }

223 }

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