Example usage for org.apache.wicket.authroles.authentication AuthenticatedWebApplication getSharedResources

Introduction

In this page you can find the example usage for org.apache.wicket.authroles.authentication AuthenticatedWebApplication getSharedResources.

Prototype

public SharedResources getSharedResources() 

Source Link

Usage

From source file:org.devgateway.toolkit.forms.wicket.page.reports.AbstractReportPage.java

License:Open Source License

/**
 * Generates the report in the specified <code>outputType</code> and writes
 * it into the specified <code>outputStream</code>.
 *
 * It is the responsibility of the caller to close the
 * <code>outputStream</code> after this method is executed.
 *
 * @param outputType/*from   www.  j av  a  2s .co m*/
 *            the output type of the report (HTML, PDF, HTML)
 * @param outputStream
 *            the stream into which the report will be written
 * @throws IllegalArgumentException
 *             indicates the required parameters were not provided
 * @throws ReportProcessingException
 *             indicates an error generating the report
 */

public void generateReport(final OutputType outputType, final OutputStream outputStream)
        throws IllegalArgumentException, ReportProcessingException {
    if (outputStream == null) {
        throw new IllegalArgumentException("The output stream was not specified");
    }

    // Get the report and data factory
    final MasterReport report = getReportDefinition();

    // Add any parameters to the report
    final Map<String, Object> reportParameters = getReportParameters();
    if (reportParameters == null) {
        return;
    }

    for (String key : reportParameters.keySet()) {
        report.getParameterValues().put(key, reportParameters.get(key));
    }

    // Prepare to generate the report
    AbstractReportProcessor reportProcessor = null;
    try {
        // Greate the report processor for the specified output type
        switch (outputType) {
        case PDF:
            final PdfOutputProcessor targetPdf = new PdfOutputProcessor(report.getConfiguration(), outputStream,
                    report.getResourceManager());
            reportProcessor = new PageableReportProcessor(report, targetPdf);
            reportProcessor.processReport();
            break;

        case EXCEL:
            final FlowExcelOutputProcessor targetExcel = new FlowExcelOutputProcessor(report.getConfiguration(),
                    outputStream, report.getResourceManager());
            reportProcessor = new FlowReportProcessor(report, targetExcel);
            reportProcessor.processReport();
            break;

        case RTF:
            final FlowRTFOutputProcessor targetRtf = new FlowRTFOutputProcessor(report.getConfiguration(),
                    outputStream, report.getResourceManager());
            reportProcessor = new FlowReportProcessor(report, targetRtf);
            reportProcessor.processReport();
            break;

        case HTML:
            ContentLocation targetRoot = null;
            File tempDir = null;
            try {

                //we manually make the folder to drop all exported html files into
                tempDir = ReportUtil.createTemporaryDirectory("tmpreport");
                targetRoot = new FileRepository(tempDir).getRoot();
            } catch (ContentIOException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }

            //we create a folder content resource for the entire tmpdir.
            // This dir will only hold the fields for this export
            FolderContentResource fcr = new FolderContentResource(tempDir);

            //we always have an authenticated web app
            AuthenticatedWebApplication authApp = (AuthenticatedWebApplication) getApplication();

            //we add the folder resource as a shared resource
            authApp.getSharedResources().add(tempDir.getName(), fcr);
            SharedResourceReference folderResourceReference = new SharedResourceReference(tempDir.getName());
            authApp.mountResource(tempDir.getName(), folderResourceReference);

            final HtmlOutputProcessor outputProcessor = new StreamHtmlOutputProcessor(
                    report.getConfiguration());
            final HtmlPrinter printer = new AllItemsHtmlPrinter(report.getResourceManager());
            printer.setContentWriter(targetRoot, new DefaultNameGenerator(targetRoot, "index", "html"));

            printer.setDataWriter(targetRoot, new DefaultNameGenerator(targetRoot, "content")); //$NON-NLS-1$

            //we use a special URL Rewriter that knows how to speak Wicket :-)
            printer.setUrlRewriter(new WicketResourceURLRewriter(folderResourceReference));
            outputProcessor.setPrinter(printer);
            reportProcessor = new StreamReportProcessor(report, outputProcessor);
            reportProcessor.processReport();

            // we plug the html file stream into the output stream
            FileInputStream indexFileStream = new FileInputStream(
                    tempDir.getAbsolutePath() + File.separator + "index.html");
            IOUtils.copy(indexFileStream, outputStream);
            indexFileStream.close();

            break;

        default:
            throw new RuntimeException("Unknown output type provided!");
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (reportProcessor != null) {
            reportProcessor.close();
        }
    }
}

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