Issue 4399 - Add WebView inheritor with ad blocking

libadblockplus-android/src/org/adblockplus/libadblockplus/android/AndroidLogSystem.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.adblockplus.libadblockplus;
+package org.adblockplus.libadblockplus.android;
 
-public class AdblockPlusException extends RuntimeException
+import org.adblockplus.libadblockplus.LogSystem;
+
+import android.util.Log;
+
+public class AndroidLogSystem extends LogSystem
 {
-  private static final long serialVersionUID = -8127654134450836743L;
-
-  public AdblockPlusException(final String message)
+  private static int abpLogLevelToAndroid(final LogLevel level)
   {
-    super(message);
+    switch (level)
+    {
+      default:
+      case TRACE:
+      case LOG:
+        return Log.VERBOSE;
+      case INFO:
+        return Log.INFO;
+      case WARN:
+        return Log.WARN;
+      case ERROR:
+        return Log.ERROR;
+    }
   }
 
-  public AdblockPlusException(final String message, final Throwable throwable)
+  @Override
+  public void logCallback(final LogLevel level, final String message, final String source)
   {
-    super(message, throwable);
-  }
-
-  public AdblockPlusException(final Throwable throwable)
-  {
-    super(throwable);
+    Log.println(abpLogLevelToAndroid(level), source, message);
   }
 }