private PropertyResourceBundle populateBundle( File file )
private PropertyResourceBundle populateBundle( String fileName )
	private PropertyResourceBundle populateBundle( File file )	{		assert file != null;		if ( !file.exists( ) )			return null;		InputStream is = null;		try		{			is = new FileInputStream( file );			PropertyResourceBundle bundle = new PropertyResourceBundle( is );			is.close( );			is = null;			return bundle;		}		catch ( FileNotFoundException e )		{			// Already checked the existence.			assert false;		}		catch ( IOException e )		{			// just ignore.		}		finally		{			if ( is != null )			{				try				{					is.close( );				}				catch ( IOException e1 )				{					is = null;					// ignore.				}			}		}		return null;	}