Example usage for org.springframework.beans.factory.config ConfigurableListableBeanFactory createBean

Introduction

In this page you can find the example usage for org.springframework.beans.factory.config ConfigurableListableBeanFactory createBean.

Prototype

Object createBean(Class<?> beanClass, int autowireMode, boolean dependencyCheck) throws BeansException;

Source Link

Document

Fully create a new bean instance of the given class with the specified autowire strategy.

Usage

From source file:org.syncope.core.scheduling.ReportJob.java

@Override
public void execute(final JobExecutionContext context) throws JobExecutionException {

    Report report = reportDAO.find(reportId);
    if (report == null) {
        throw new JobExecutionException("Report " + reportId + " not found");
    }/*from  ww w.  j a v a 2  s  . c  om*/

    // 1. create execution
    ReportExec execution = new ReportExec();
    execution.setStatus(ReportExecStatus.STARTED);
    execution.setStartDate(new Date());
    execution.setReport(report);
    execution = reportExecDAO.save(execution);

    // 2. define a SAX handler for generating result as XML
    TransformerHandler handler;

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream zos = new ZipOutputStream(baos);
    zos.setLevel(Deflater.BEST_COMPRESSION);
    try {
        SAXTransformerFactory transformerFactory = (SAXTransformerFactory) SAXTransformerFactory.newInstance();
        handler = transformerFactory.newTransformerHandler();
        Transformer serializer = handler.getTransformer();
        serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        serializer.setOutputProperty(OutputKeys.INDENT, "yes");

        // a single ZipEntry in the ZipOutputStream
        zos.putNextEntry(new ZipEntry(report.getName()));

        // streaming SAX handler in a compressed byte array stream
        handler.setResult(new StreamResult(zos));
    } catch (Exception e) {
        throw new JobExecutionException("While configuring for SAX generation", e, true);
    }

    execution.setStatus(ReportExecStatus.RUNNING);
    execution = reportExecDAO.save(execution);

    ConfigurableListableBeanFactory beanFactory = ApplicationContextManager.getApplicationContext()
            .getBeanFactory();

    // 3. actual report execution
    StringBuilder reportExecutionMessage = new StringBuilder();
    StringWriter exceptionWriter = new StringWriter();
    try {
        // report header
        handler.startDocument();
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute("", "", ATTR_NAME, XSD_STRING, report.getName());
        handler.startElement("", "", ELEMENT_REPORT, atts);

        // iterate over reportlet instances defined for this report
        for (ReportletConf reportletConf : report.getReportletConfs()) {
            Class reportletClass = null;
            try {
                reportletClass = Class.forName(reportletConf.getReportletClassName());
            } catch (ClassNotFoundException e) {
                LOG.error("Reportlet class not found: {}", reportletConf.getReportletClassName(), e);

            }

            if (reportletClass != null) {
                Reportlet autowired = (Reportlet) beanFactory.createBean(reportletClass,
                        AbstractBeanDefinition.AUTOWIRE_BY_TYPE, false);
                autowired.setConf(reportletConf);

                // invoke reportlet
                try {
                    autowired.extract(handler);
                } catch (Exception e) {
                    execution.setStatus(ReportExecStatus.FAILURE);

                    Throwable t = e instanceof ReportException ? e.getCause() : e;
                    exceptionWriter.write(t.getMessage() + "\n\n");
                    t.printStackTrace(new PrintWriter(exceptionWriter));
                    reportExecutionMessage.append(exceptionWriter.toString()).append("\n==================\n");
                }
            }
        }

        // report footer
        handler.endElement("", "", ELEMENT_REPORT);
        handler.endDocument();

        if (!ReportExecStatus.FAILURE.name().equals(execution.getStatus())) {

            execution.setStatus(ReportExecStatus.SUCCESS);
        }
    } catch (Exception e) {
        execution.setStatus(ReportExecStatus.FAILURE);

        exceptionWriter.write(e.getMessage() + "\n\n");
        e.printStackTrace(new PrintWriter(exceptionWriter));
        reportExecutionMessage.append(exceptionWriter.toString());

        throw new JobExecutionException(e, true);
    } finally {
        try {
            zos.closeEntry();
            zos.close();
            baos.close();
        } catch (IOException e) {
            LOG.error("While closing StreamResult's backend", e);
        }

        execution.setExecResult(baos.toByteArray());
        execution.setMessage(reportExecutionMessage.toString());
        execution.setEndDate(new Date());
        reportExecDAO.save(execution);
    }
}

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