FileItem item = (FileItem) params.get(name);
Object o = params.get(name); if(o == null) return null; FileItem item = getItem(o);
	public File getFileUploadParam(String name) {		if(params == null)			return null;		FileItem item = (FileItem) params.get(name);		if(item.isFormField())			return null;		return ((DefaultFileItem)item).getStoreLocation();	}