@Override
	public void updateManufacturer(Manufacturer manufacturer)
	{
		if((manufacturer==null)||(manufacturer==defaultManufacturer)) return;
		final Manufacturer found=getManufacturer(manufacturer.name());
		if((found==null)||(found!=manufacturer))
		{
			for(final String manName : manufacturers.keySet())
				if(manufacturers.get(manName)==manufacturer)
				{
					manufacturers.remove(manName);
					break;
				}
			addManufacturer(manufacturer);
		}
		saveAllManufacturers();
	}