ByteArrayInputStream bis = new ByteArrayInputStream( Base64.decode( imageData ) );
ByteArrayInputStream bis = new ByteArrayInputStream( Base64.decodeBase64( imageData.getBytes( ) ) );
	private void preview( String uri )	{		try		{			if ( imageData != null )			{				ByteArrayInputStream bis = new ByteArrayInputStream( Base64.decode( imageData ) );				previewCanvas.loadImage( bis );			}			else			{				previewCanvas.loadImage( new URL( uri ) );			}		}		catch ( Exception e )		{			WizardBase.displayException( e );		}	}