static public void close(FileObject fo){
		if (fo != null){
			try {
				fo.close();
			} catch (FileSystemException e) {
				log.debug("Exception when closing FileObject: " + fo.getName(), e);
			}
		}
	}
static public void close ( FileObject fo ) { if ( fo != null ) { try { fo . close ( ) ; } catch ( FileSystemException e ) { log . debug ( "Exception when closing FileObject: " + fo . getName ( ) , e ) ; } } }
Close the FileObject.
@param fo the FileObject to be closed. It can be null.