type = selectedParameter.getDataType( );
if ( selectedParameter != null ) { type = selectedParameter.getDataType( ); } else { type = DesignChoiceConstants.PARAM_TYPE_STRING; }
	private String getSelectedDataType( )	{		String type = null;		if ( StringUtil.isBlank( dataTypeChooser.getText( ) ) )		{			type = selectedParameter.getDataType( );		}		else		{			IChoice choice = dataType.findChoiceByDisplayName( dataTypeChooser.getText( ) );			type = choice.getName( );		}		return type;	}