net.sf.jasperreports.engine.util.SimpleFileResolver Java Examples

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Example #1
Source File: JasperReportsUtil.java    From nextreports-server with Apache License 2.0 4 votes vote down vote up 
public static JasperPrint fillReport(StorageService storageService, String key, JasperReport jasper, Map<String, Object> params, Connection conn) throws JRException, InterruptedException {
    	Settings settings = storageService.getSettings();
        params.put(JRParameter.REPORT_FILE_RESOLVER, new SimpleFileResolver(new File(settings.getJasper().getHome())));

        // process stopped before runner starts
        if (JasperRunnerFactory.containsRunner(key)) {
            JasperRunnerFactory.removeRunner(key);
            ConnectionUtil.closeConnection(conn);
            return null;
        }

//        System.out.println("------------------------------");
//        for (String s : params.keySet()) {
//            System.out.println("  -> param="+s + " ["  + params.get(s)  + "]");
//        }
//        System.out.println("------------------------------");

        // Jasper 5.1.0+
        if (ctx == null) {
        	LocalJasperReportsContext localContext = new LocalJasperReportsContext(DefaultJasperReportsContext.getInstance());
        	localContext.setClassLoader(JasperReportsUtil.class.getClassLoader());
        	localContext.setFileResolver(new SimpleFileResolver(new File(settings.getJasper().getHome())));
        	ctx = localContext;
        }
        final JasperAsynchronousFillHandle handle = new JasperAsynchronousFillHandle(ctx, jasper, params, conn);
//        final JasperAsynchronousFillHandle handle = new JasperAsynchronousFillHandle(jasper, params, conn);
        JasperPrint print = null;
        try {
            JasperRunnerFactory.addRunner(key, handle);
            //Start the asynchronous thread to fill the report
            handle.startFill();
            //Wait until the thread ends to get the result
            handle.getFillThread().join();

            if (!handle.isCancelled()) {
                print = handle.getJasperPrint();
            } else {
                throw new InterruptedException("Running process was interrupted.");
            }
        } catch (InterruptedException ie) {
            throw ie;
        } catch (Exception e) {
            throw new JRException(e.getMessage());
        } finally {
            JasperRunnerFactory.removeRunner(key);
        }
        return print;
    }