JasperReport in NetBeans Swing Desktop Application

This is finally successfully coded procedure for showing Jasper Report in NetBeans Swing Desktop Application :

public void ShowReport() {
        try {
            Class.forName("org.postgresql.Driver");
            Connection con = DriverManager.getConnection("jdbc:postgresql://localhost:5432/neosoft", "postgres", "postgres");
            HashMap hm = new HashMap();
            JasperReport jre;
            jre = JasperCompileManager.compileReport("src//japi//report1.jrxml");
            JasperPrint jr = JasperFillManager.fillReport(jre, hm, con);
            JasperExportManager.exportReportToHtmlFile(jr, "report1.html");
            JasperViewer.viewReport(jr, false);
        } catch (ClassNotFoundException ex) {
            System.out.println(ex.getMessage());
        } catch (SQLException se) {
            System.out.println(se.getMessage());
        } catch (JRException ex) {
            System.out.println(ex.getMessage());
        }
    }

Also dont forget to include these jars into library :