Helping generating charts


I want to do a template to output a pdf with a bar chart. Each column of this chart is a field of my model (with just a single series). My problem is I don't know how I do this. I already try to search, bt everywhere are for mutiple series, for list or for table of database.

Can someone tell me how I do this. I'm very new to Jasper.

My model (the chart fields, where each field is a bar value)

public class Report {
    private Double f1;
    private Double f2;
    private Double f3;
    public Double getF1(){
        return f1;
    public Double getF2(){
        return f2;
    public Double getF3(){
        return f3;

To compile and generating the PDF:

Report report = getSelectedReport();
HashMap<String, Object> parameters = new HashMap<>();
parameters.put("dataChart", report);
JasperReport jasperReport = JasperCompileManager.compileReport(reportSrcFile);
ArrayList<HashMap<String, Object>> list = new ArrayList<HashMap<String, Object>>();
JRBeanCollectionDataSource beanColDataSource = new JRBeanCollectionDataSource(list);
JasperPrint print = JasperFillManager.fillReport(jasperReport, null, beanColDataSource);  

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Joined: Sep 29 2018 - 3:09am
Last seen: 2 years 10 months ago

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