Usage of new API, cleanups (reduced)

src/org/adblockplus/libadblockplus/JsValue.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 82 matching lines @@
   public long asLong()
   {
     return asLong(this.ptr);
   }
 
   public boolean asBoolean()
   {
     return asBoolean(this.ptr);
   }
 
-  public boolean isValid()
+  public JsValue getProperty(final String name)
   {
-    return isValid(this.ptr);
+    return getProperty(this.ptr, name);
   }
 
   public List<JsValue> asList()
   {
     return asList(this.ptr);
   }
 
   @Override
   public String toString()
   {
@@ skipping 33 matching lines @@
   private final static native boolean isArray(long ptr);
 
   private final static native boolean isFunction(long ptr);
 
   private final static native String asString(long ptr);
 
   private final static native long asLong(long ptr);
 
   private final static native boolean asBoolean(long ptr);
 
-  private final static native boolean isValid(long ptr);
+  private final static native JsValue getProperty(long ptr, String name);
 
   private final static native List<JsValue> asList(long ptr);
 
   private final static native void dtor(long ptr);
 }