<dependency>
    <groupId>net.sf.jasperreports</groupId>
    <artifactId>jasperreports</artifactId>
    <version>4.1.2</version>
</dependency>
<dependency>
    <groupId>org.codehaus.groovy</groupId>
    <artifactId>groovy-all</artifactId>
    <version>1.7.5</version>
</dependency>

public class JasperReportsIntro
{
    public static void main(String[] args)
    {
        JasperReport jasperReport;
        JasperPrint jasperPrint;
        try
        {
            jasperReport = JasperCompileManager.compileReport("reports/jasperreports_demo.jrxml");
            jasperPrint = JasperFillManager.fillReport(
            jasperReport, new HashMap(), new JREmptyDataSource());
            JasperExportManager.exportReportToPdfFile(
            jasperPrint, "reports/simple_report.pdf");
        }
        catch (JRException e)
        {
          e.printStackTrace();
        }
    }
}