String[] atts = fc.getAttributeNames();
for (String s : atts) {
System.out.println("att: " + s);
}
FileContentInfo fci = fc.getContentInfo();
System.out.println("encoding: " + fci.getContentEncoding());
System.out.println("contentType: " + fci.getContentType());
System.out.println("size: " + fc.getSize());
}