Usage of new API, cleanups (reduced)

src/org/adblockplus/android/updater/AlarmReceiver.java

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 12 matching lines @@
 import java.net.URISyntaxException;
 import java.net.URL;
 import java.util.Locale;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
 
 import org.adblockplus.android.AdblockPlus;
 import org.adblockplus.android.R;
+import org.adblockplus.android.Utils;
 import org.apache.http.HttpEntity;
 import org.apache.http.HttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.DefaultHttpClient;
 import org.apache.http.util.EntityUtils;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.NodeList;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.os.Build;
 import android.util.Log;
 
 /**
  * Processes Alarm event to check for update availability.
  */
 public class AlarmReceiver extends BroadcastReceiver
 {
-
-  private static final String TAG = "AlarmReceiver";
+  private static final String TAG = Utils.getTag(AlarmReceiver.class);
   private static final int NOTIFICATION_ID = R.string.app_name + 1;
 
   @Override
   public void onReceive(final Context context, final Intent intent)
   {
     Log.i(TAG, "Alarm; requesting updater service");
 
     final AdblockPlus application = AdblockPlus.getApplication();
 
     // Indicates manual (immediate) update check which requires response to user.
     final boolean notify = intent.getBooleanExtra("notifynoupdate", false);
 
     // Check network availability
     boolean connected = false;
-    ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+    final ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
     NetworkInfo networkInfo = null;
     if (connectivityManager != null)
     {
       networkInfo = connectivityManager.getActiveNetworkInfo();
       connected = networkInfo == null ? false : networkInfo.isConnected();
     }
 
     // Prepare notification
     final NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
     final Notification notification = new Notification();
     notification.icon = R.drawable.ic_stat_warning;
     notification.when = System.currentTimeMillis();
     notification.flags |= Notification.FLAG_AUTO_CANCEL | Notification.FLAG_ONLY_ALERT_ONCE;
     if (notify)
       notification.flags |= Notification.DEFAULT_SOUND;
     final PendingIntent emptyIntent = PendingIntent.getActivity(context, 0, new Intent(), 0);
 
     // Get update info
     if (application.checkWriteExternalPermission() && connected)
     {
-      Thread thread = new Thread(new Runnable() {
+      final Thread thread = new Thread(new Runnable()
+      {
         @Override
         public void run()
         {
           boolean success = false;
           try
           {
             // Read updates manifest
-            DefaultHttpClient httpClient = new DefaultHttpClient();
+            final DefaultHttpClient httpClient = new DefaultHttpClient();
 
-            String locale = Locale.getDefault().toString().toLowerCase();
-            String device = AdblockPlus.getDeviceName();
-            boolean releaseBuild = context.getResources().getBoolean(R.bool.def_release);
-            String updateUrlTemplate = context.getString(releaseBuild ? R.string.update_url : R.string.devbuild_update_url);
-            URL updateUrl = new URL(String.format(updateUrlTemplate, Build.VERSION.SDK_INT, AdblockPlus.getApplication().getBuildNumber(), locale, device));
+            final String locale = Locale.getDefault().toString().toLowerCase();
+            final String device = AdblockPlus.getDeviceName();
+            final boolean releaseBuild = context.getResources().getBoolean(R.bool.def_release);
+            final String updateUrlTemplate = context.getString(releaseBuild ? R.string.update_url : R.string.devbuild_update_url);
+            final URL updateUrl = new URL(String.format(updateUrlTemplate, Build.VERSION.SDK_INT, AdblockPlus.getApplication().getBuildNumber(), locale, device));
             // The following line correctly url-encodes query string parameters
-            URI uri = new URI(updateUrl.getProtocol(), updateUrl.getUserInfo(), updateUrl.getHost(), updateUrl.getPort(), updateUrl.getPath(), updateUrl.getQuery(), updateUrl.getRef());
-            HttpGet httpGet = new HttpGet(uri);
+            final URI uri = new URI(updateUrl.getProtocol(), updateUrl.getUserInfo(), updateUrl.getHost(), updateUrl.getPort(), updateUrl.getPath(), updateUrl.getQuery(), updateUrl.getRef());
+            final HttpGet httpGet = new HttpGet(uri);
 
-            HttpResponse httpResponse = httpClient.execute(httpGet);
-            HttpEntity httpEntity = httpResponse.getEntity();
-            String xml = EntityUtils.toString(httpEntity);
+            final HttpResponse httpResponse = httpClient.execute(httpGet);
+            final HttpEntity httpEntity = httpResponse.getEntity();
+            final String xml = EntityUtils.toString(httpEntity);
 
             // Parse XML
-            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
-            DocumentBuilder db = dbf.newDocumentBuilder();
+            final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+            final DocumentBuilder db = dbf.newDocumentBuilder();
 
-            InputSource is = new InputSource();
+            final InputSource is = new InputSource();
             is.setCharacterStream(new StringReader(xml));
-            Document doc = db.parse(is);
+            final Document doc = db.parse(is);
 
             // Find best match
-            NodeList nl = doc.getElementsByTagName("updatecheck");
+            final NodeList nl = doc.getElementsByTagName("updatecheck");
             int newBuild = -1;
             int newApi = -1;
             String newUrl = null;
             for (int i = 0; i < nl.getLength(); i++)
             {
-              Element e = (Element) nl.item(i);
-              String url = e.getAttribute("package");
-              int build = Integer.parseInt(e.getAttribute("build"));
-              int api = Integer.parseInt(e.getAttribute("api"));
+              final Element e = (Element) nl.item(i);
+              final String url = e.getAttribute("package");
+              final int build = Integer.parseInt(e.getAttribute("build"));
+              final int api = Integer.parseInt(e.getAttribute("api"));
               if (api > android.os.Build.VERSION.SDK_INT)
                 continue;
               if ((build > newBuild) || (build == newBuild && api > newApi))
               {
                 newBuild = build;
                 newApi = api;
                 newUrl = url;
               }
             }
 
-            int thisBuild = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionCode;
+            final int thisBuild = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionCode;
 
             // Notify user if newer update was found
             if (thisBuild < newBuild)
             {
               notification.icon = R.drawable.ic_stat_download;
-              Intent intent = new Intent(context, UpdaterActivity.class).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+              final Intent intent = new Intent(context, UpdaterActivity.class).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
               intent.setAction("download");
               intent.putExtra("url", newUrl);
               intent.putExtra("build", newBuild);
-              PendingIntent updateIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
+              final PendingIntent updateIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
               notification.setLatestEventInfo(context, context.getText(R.string.app_name), context.getString(R.string.msg_update_available), updateIntent);
               notificationManager.notify(NOTIFICATION_ID, notification);
             }
             // Notify user that no update was found
             else if (notify)
             {
               notification.setLatestEventInfo(context, context.getText(R.string.app_name), context.getString(R.string.msg_update_missing), emptyIntent);
               notificationManager.notify(NOTIFICATION_ID, notification);
             }
             success = true;
           }
-          catch (IOException e)
+          catch (final IOException e)
           {
           }
-          catch (NumberFormatException e)
+          catch (final NumberFormatException e)
           {
           }
-          catch (NameNotFoundException e)
+          catch (final NameNotFoundException e)
           {
           }
-          catch (ParserConfigurationException e)
+          catch (final ParserConfigurationException e)
           {
           }
-          catch (SAXException e)
+          catch (final SAXException e)
           {
             Log.e(TAG, "Error", e);
           }
-          catch (URISyntaxException e)
+          catch (final URISyntaxException e)
           {
             Log.e(TAG, "Error", e);
           }
           finally
           {
             if (!success)
             {
               // Notify user about failure
               if (notify)
               {
@@ skipping 14 matching lines @@
       if (notify)
       {
         notification.setLatestEventInfo(context, context.getText(R.string.app_name), context.getString(R.string.msg_update_fail), emptyIntent);
         notificationManager.notify(NOTIFICATION_ID, notification);
       }
       // Schedule retry in 30 minutes - there is no connection available at this time
       application.scheduleUpdater(30);
     }
   }
 }