Google Charts BackBean

ChartBackBean.java

@ManagedBean
public class ChartBackBean {

    private GoogleChartModel chartModel = new DefaultGoogleChartModel("AnnotatedTimeLine");
    
    public ChartBackBean() {
        chartModel.addColumn(new Column(Column.JavaScriptType.date, "Date"));
        chartModel.addColumn(new Column(Column.JavaScriptType.number, "Price"));
        
        for(int i=20; i>0; i--) {
            DateTime date = DateTime.now().minusDays(i);
            int price = (int) (Math.random() * 10);
            int noOfRows = 2;
            Row row = new Row(noOfRows);
            row.addEntry(date);
            row.addEntry(String.valueOf(price));
            chartModel.addRow(row);
            chartModel.setOptions("'displayAnnotations':true, 'fill':30"); // Simply inserted as javascript.        
        }
    }

    public GoogleChartModel getChartModel() {
        return chartModel;
    }
}