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 LogSystem implements Disposable
+public abstract class FileSystem implements Disposable
 {
   private final Disposer disposer;
   protected final long ptr;
 
   static
   {
     System.loadLibrary("adblockplus-jni");
     registerNatives();
   }
 
-  public LogSystem()
+  public FileSystem()
   {
     this.ptr = ctor(this);
     this.disposer = new Disposer(this, new DisposeWrapper(this.ptr));
   }
 
-  public static enum LogLevel
+  public static class StatResult
   {
-    TRACE, LOG, INFO, WARN, ERROR;
+    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;
+    }
   }
 
-  public abstract void logCallback(LogLevel level, String message, String source);
+  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()
     {
       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);
 }