Issue 4231 - Fix unstable FilterEngineTest.testSetRemoveFilterChangeCallback

libadblockplus-android/src/org/adblockplus/libadblockplus/FileSystem.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;
 
 public abstract class FileSystem implements Disposable
 {
-    private final Disposer disposer;
-    protected final long ptr;
+  private final Disposer disposer;
+  protected final long ptr;
 
-    static
+  static
+  {
+    System.loadLibrary("adblockplus-jni");
+    registerNatives();
+  }
+
+  public FileSystem()
+  {
+    this.ptr = ctor(this);
+    this.disposer = new Disposer(this, new DisposeWrapper(this.ptr));
+  }
+
+  public static class StatResult
+  {
+    private boolean exists;
+
+    public boolean exists()
     {
-        System.loadLibrary("adblockplus-jni");
-        registerNatives();
+      return exists;
     }
 
-    public FileSystem()
+    private boolean isDirectory;
+
+    public boolean isDirectory()
     {
-        this.ptr = ctor(this);
-        this.disposer = new Disposer(this, new DisposeWrapper(this.ptr));
+      return isDirectory;
     }
 
-    public static class StatResult
+    private boolean isFile;
+
+    public boolean isFile()
     {
-        private boolean exists;
-
-        public boolean exists()
-        {
-            return exists;
-        }
-
-        private boolean isDirectory;
-
-        public boolean isDirectory()
-        {
-            return isDirectory;
-        }
-
-        private boolean isFile;
-
-        public boolean isFile()
-        {
-            return isFile;
-        }
-
-        private long lastModified;
-
-        public long getLastModified()
-        {
-            return lastModified;
-        }
-
-        public StatResult(boolean exists, boolean isDirectory, boolean isFile, long lastModified)
-        {
-            this.exists = exists;
-            this.isDirectory = isDirectory;
-            this.isFile = isFile;
-            this.lastModified = lastModified;
-        }
+      return isFile;
     }
 
-    public abstract String read(String path);
-    public abstract void write(String path, String data);
-    public abstract void move(String fromPath, String toPath);
-    public abstract void remove(String path);
-    public abstract StatResult stat(String path);
-    public abstract String resolve(String path);
+    private long lastModified;
+
+    public long getLastModified()
+    {
+      return lastModified;
+    }
+
+    public StatResult(boolean exists, boolean isDirectory, boolean isFile, long lastModified)
+    {
+      this.exists = exists;
+      this.isDirectory = isDirectory;
+      this.isFile = isFile;
+      this.lastModified = lastModified;
+    }
+  }
+
+  public abstract String read(String path);
+
+  public abstract void write(String path, String data);
+
+  public abstract void move(String fromPath, String toPath);
+
+  public abstract void remove(String path);
+
+  public abstract StatResult stat(String path);
+
+  public abstract String resolve(String path);
+
+  @Override
+  public void dispose()
+  {
+    this.disposer.dispose();
+  }
+
+  private final static class DisposeWrapper implements Disposable
+  {
+    private final long ptr;
+
+    public DisposeWrapper(final long ptr)
+    {
+      this.ptr = ptr;
+    }
 
     @Override
     public void dispose()
     {
-        this.disposer.dispose();
+      dtor(this.ptr);
     }
+  }
 
-    private final static class DisposeWrapper implements Disposable
-    {
-        private final long ptr;
+  private final static native void registerNatives();
 
-        public DisposeWrapper(final long ptr)
-        {
-            this.ptr = ptr;
-        }
+  private final static native long ctor(Object callbackObject);
 
-        @Override
-        public void dispose()
-        {
-            dtor(this.ptr);
-        }
-    }
-
-    private final static native void registerNatives();
-
-    private final static native long ctor(Object callbackObject);
-
-    private final static native void dtor(long ptr);
+  private final static native void dtor(long ptr);
 }