src/org/tiefaces/components/websheet/utility/ChartUtility.java
public static void setUpChartData(final ChartData chartData,
            final CTChart ctChart, final ThemesTable themeTable,
            final ChartObject ctObj) {

        Object chartObj = null;
        @SuppressWarnings("rawtypes")
        List plotCharts = ctObj.getChartListFromCtChart(ctChart);

        // chart object
        if (plotCharts != null && (!plotCharts.isEmpty())) {
            chartObj = plotCharts.get(0);
        }
        if (chartObj != null) {
            @SuppressWarnings("rawtypes")
            List bsers = ctObj.getSerListFromCtObjChart(chartObj);
            if (!AppUtils.emptyList(bsers)) {
                chartData.buildCategoryList(
                        ctObj.getCtAxDataSourceFromSerList(bsers));
                chartData.buildSeriesList(bsers, themeTable, ctObj);
            }
        }
    }
public static void setUpChartData(final ChartData chartData,
            final CTChart ctChart, final ThemesTable themeTable,
            final ChartObject ctObj) {

        Object chartObj = null;
        @SuppressWarnings("rawtypes")
        List plotCharts = ctObj.getChartListFromCtChart(ctChart);

        // chart object
        if (plotCharts != null && (!plotCharts.isEmpty())) {
            chartObj = plotCharts.get(0);
        }
        if (chartObj != null) {
            @SuppressWarnings("rawtypes")
            List bsers = ctObj.getSerListFromCtObjChart(chartObj);
            if (!AppUtils.emptyList(bsers)) {
                chartData.buildCategoryList(
                        ctObj.getCtAxDataSourceFromSerList(bsers));
                chartData.buildSeriesList(bsers, themeTable, ctObj);
            }
        }
    }
build chartData for line chart. chartData include categoryList and
seriesList which used for generate jfreechart.

@param chartData
chart data.
@param ctChart
ct chart.
@param themeTable
themeTable used for get color with theme name.
@param ctObj
ct object.