How to add JasperReportsPdfView in Vaadin component

Vaadin 6 / 7 / 8
1 
public class ProfitLossView extends ProfitLossDesign implements View{
	
	private final ReportService reportService;
	
	
	@Autowired
	public ProfitLossView(ReportService reportService) {
		this.reportService = reportService;
	}
	
	@Autowired
	private ApplicationContext appContext;

	@Override
	public void enter(ViewChangeEvent event) {
			
	}
	
	@PostConstruct
	public void init() {
	
		JasperReportsPdfView view = new JasperReportsPdfView();
		view.setUrl("classpath:/reports/user.jrxml");
		view.setApplicationContext(appContext);
		Map<String, Object> params = new HashMap<String, Object>();
		params.put("datasource", reportService.report());
	
	}