net.sf.jasperreports.engine.data.JRBeanCollectionDataSource Java Examples

/**
 * Convert the given report data value to a {@code JRDataSource}.
 * <p>In the default implementation, a {@code JRDataSource},
 * {@code java.util.Collection} or object array is detected.
 * The latter are converted to {@code JRBeanCollectionDataSource}
 * or {@code JRBeanArrayDataSource}, respectively.
 * @param value the report data value to convert
 * @return the JRDataSource (never {@code null})
 * @throws IllegalArgumentException if the value could not be converted
 * @see net.sf.jasperreports.engine.JRDataSource
 * @see net.sf.jasperreports.engine.data.JRBeanCollectionDataSource
 * @see net.sf.jasperreports.engine.data.JRBeanArrayDataSource
 */
public static JRDataSource convertReportData(Object value) throws IllegalArgumentException {
	if (value instanceof JRDataSource) {
		return (JRDataSource) value;
	}
	else if (value instanceof Collection) {
		return new JRBeanCollectionDataSource((Collection<?>) value);
	}
	else if (value instanceof Object[]) {
		return new JRBeanArrayDataSource((Object[]) value);
	}
	else {
		throw new IllegalArgumentException("Value [" + value + "] cannot be converted to a JRDataSource");
	}
}
 

private static JasperPrint generate (Collection<Report> reports, String jasperFile, HashMap<String, String> params) {
	JasperPrint print = null;
	JRBeanCollectionDataSource source = new JRBeanCollectionDataSource (reports) ;
	try {
		JasperReport report = (JasperReport) JRLoader.loadObjectFromLocation(jasperFile);
		print = JasperFillManager.fillReport(report, params, source);
	} catch (JRException e) {
		logger.error(e.getMessage(), e);
	}
	return print;
}
 

/**
 *
 * @see org.kuali.kfs.module.cg.report.service.ContractsGrantsAwardBalancesReportService#generateReport(org.kuali.kfs.module.cg.report.ContractsGrantsReportDataHolder, org.kuali.kfs.sys.report.ReportInfo, java.io.ByteArrayOutputStream)
 */
@Override
public String generateReport(ContractsGrantsReportDataHolder reportDataHolder, ReportInfo reportInfo, ByteArrayOutputStream baos) {
    Date runDate = new Date();

    String reportFileName = reportInfo.getReportFileName();
    String reportDirectory = reportInfo.getReportsDirectory();
    String reportTemplateClassPath = reportInfo.getReportTemplateClassPath();
    String reportTemplateName = reportInfo.getReportTemplateName();
    ResourceBundle resourceBundle = reportInfo.getResourceBundle();

    String subReportTemplateClassPath = reportInfo.getSubReportTemplateClassPath();
    Map<String, String> subReports = reportInfo.getSubReports();

    Map<String, Object> reportData = reportDataHolder.getReportData();
    // check title and set
    if (ObjectUtils.isNull(reportData.get(KFSConstants.REPORT_TITLE))) {
        reportData.put(KFSConstants.REPORT_TITLE, reportInfo.getReportTitle());
    }
    reportData.put(JRParameter.REPORT_RESOURCE_BUNDLE, resourceBundle);
    reportData.put(ReportGeneration.PARAMETER_NAME_SUBREPORT_DIR, subReportTemplateClassPath);
    reportData.put(ReportGeneration.PARAMETER_NAME_SUBREPORT_TEMPLATE_NAME, subReports);

    String template = reportTemplateClassPath + reportTemplateName;
    String fullReportFileName = reportGenerationService.buildFullFileName(runDate, reportDirectory, reportFileName, "");

    List<String> data = Arrays.asList(KFSConstants.EMPTY_STRING);
    JRDataSource dataSource = new JRBeanCollectionDataSource(data);

    reportGenerationService.generateReportToOutputStream(reportData, dataSource, template, baos);

    return reportFileName;
}
 

/**
 * @see org.kuali.kfs.sys.batch.service.ReportGenerationService#generateReportToPdfFile(java.util.Map, java.lang.String, java.lang.String)
 */
public void generateReportToPdfFile(Map<String, Object> reportData, String template, String reportFileName) {
    List<String> data = Arrays.asList(KFSConstants.EMPTY_STRING);
    JRDataSource dataSource = new JRBeanCollectionDataSource(data);

    generateReportToPdfFile(reportData, dataSource, template, reportFileName);
}
 

/**
 * @see org.kuali.kfs.module.ar.report.service.ContractsGrantsReportHelperService#generateReport(org.kuali.kfs.module.ar.report.ContractsGrantsReportDataHolder, org.kuali.kfs.sys.report.ReportInfo, java.io.ByteArrayOutputStream)
 */
@Override
public String generateReport(ContractsGrantsReportDataHolder reportDataHolder, ReportInfo reportInfo, ByteArrayOutputStream baos) {
    Date runDate = new Date();

    String reportFileName = reportInfo.getReportFileName();
    String reportDirectory = reportInfo.getReportsDirectory();
    String reportTemplateClassPath = reportInfo.getReportTemplateClassPath();
    String reportTemplateName = reportInfo.getReportTemplateName();
    ResourceBundle resourceBundle = reportInfo.getResourceBundle();

    String subReportTemplateClassPath = reportInfo.getSubReportTemplateClassPath();
    Map<String, String> subReports = reportInfo.getSubReports();

    Map<String, Object> reportData = reportDataHolder.getReportData();
    // check title and set
    if (ObjectUtils.isNull(reportData.get(KFSConstants.REPORT_TITLE))) {
        reportData.put(KFSConstants.REPORT_TITLE, reportInfo.getReportTitle());
    }
    reportData.put(JRParameter.REPORT_RESOURCE_BUNDLE, resourceBundle);
    reportData.put(ReportGeneration.PARAMETER_NAME_SUBREPORT_DIR, subReportTemplateClassPath);
    reportData.put(ReportGeneration.PARAMETER_NAME_SUBREPORT_TEMPLATE_NAME, subReports);

    String template = reportTemplateClassPath + reportTemplateName;
    String fullReportFileName = reportGenerationService.buildFullFileName(runDate, reportDirectory, reportFileName, "");

    List<String> data = Arrays.asList(KFSConstants.EMPTY_STRING);
    JRDataSource dataSource = new JRBeanCollectionDataSource(data);

    reportGenerationService.generateReportToOutputStream(reportData, dataSource, template, baos);

    return reportFileName;
}
 

/**
 *
 */
public JRDataSource createDataSource(
	JasperReportsContext jasperReportsContext, 
	Locale locale 
	) 
{
	FunctionsInfo functionsInfo = FunctionsInfo.getInstance(jasperReportsContext, locale);
	Collection<FunctionCategoryBean> categories = functionsInfo.getCategories(); 
	return new JRBeanCollectionDataSource(categories);
}
 

/**
 *
 */
public void fill4() throws JRException
{
	long start = System.currentTimeMillis();
	//Preparing parameters
	Map<String, Object> parameters = new HashMap<String, Object>();
	parameters.put("ReportTitle", "Address Report");
	parameters.put("DataFile", "CustomBeanFactory.java - Bean Collection");

	JasperFillManager.fillReportToFile("build/reports/DataSourceReport.jasper", parameters, new JRBeanCollectionDataSource(CustomBeanFactory.getBeanCollection()));
	System.err.println("Filling time : " + (System.currentTimeMillis() - start));
}
 

protected Map<String, Object> getModel() {
	Map<String, Object> model = new HashMap<String, Object>();
	model.put("ReportTitle", "Dear Lord!");
	model.put("dataSource", new JRBeanCollectionDataSource(getData()));
	extendModel(model);
	return model;
}
 

@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    // IEの場合はContent-Lengthヘッダが指定されていないとダウンロードが失敗するので、
    // サイズを取得するための一時的なバイト配列ストリームにコンテンツを書き出すようにする
    val baos = createTemporaryOutputStream();

    // 帳票レイアウト
    val report = loadReport();

    // データの設定
    val dataSource = new JRBeanCollectionDataSource(this.data);
    val print = JasperFillManager.fillReport(report, model, dataSource);

    val exporter = new JRPdfExporter();
    exporter.setExporterInput(new SimpleExporterInput(print));
    exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(baos));
    exporter.exportReport();

    // ファイル名に日本語を含めても文字化けしないようにUTF-8にエンコードする
    val encodedFilename = EncodeUtils.encodeUtf8(filename);
    val contentDisposition = String.format("attachment; filename*=UTF-8''%s", encodedFilename);
    response.setHeader(CONTENT_DISPOSITION, contentDisposition);

    writeToResponse(response, baos);
}
 

/**
 * Convert the given report data value to a {@code JRDataSource}.
 * <p>In the default implementation, a {@code JRDataSource},
 * {@code java.util.Collection} or object array is detected.
 * The latter are converted to {@code JRBeanCollectionDataSource}
 * or {@code JRBeanArrayDataSource}, respectively.
 * @param value the report data value to convert
 * @return the JRDataSource (never {@code null})
 * @throws IllegalArgumentException if the value could not be converted
 * @see net.sf.jasperreports.engine.JRDataSource
 * @see net.sf.jasperreports.engine.data.JRBeanCollectionDataSource
 * @see net.sf.jasperreports.engine.data.JRBeanArrayDataSource
 */
public static JRDataSource convertReportData(Object value) throws IllegalArgumentException {
	if (value instanceof JRDataSource) {
		return (JRDataSource) value;
	}
	else if (value instanceof Collection) {
		return new JRBeanCollectionDataSource((Collection<?>) value);
	}
	else if (value instanceof Object[]) {
		return new JRBeanArrayDataSource((Object[]) value);
	}
	else {
		throw new IllegalArgumentException("Value [" + value + "] cannot be converted to a JRDataSource");
	}
}
 

public void loadReport(String reportName, ReportObject reportObject) {

		logging = LoggingEngine.getInstance();
		
		try {
			
			final InputStream inputStream = ShowReport.class
					.getResourceAsStream("/com/coder/hms/reportTemplates/" + reportName + ".jrxml");
			JasperReport report = JasperCompileManager.compileReport(inputStream);

			HashMap<String, Object> parameters = new HashMap<String, Object>();	
			List<ReportObject> list = new ArrayList<ReportObject>();
			list.add(reportObject);
			JRBeanCollectionDataSource beanColDataSource = new JRBeanCollectionDataSource(list);
			JasperPrint jasperPrint = JasperFillManager.fillReport(report, parameters, beanColDataSource);
			final JRViewer viewer = new JRViewer(jasperPrint);

			setType(Type.POPUP);
			setResizable(false);
			setModalExclusionType(ModalExclusionType.APPLICATION_EXCLUDE);
			this.setTitle("Reservation [Report]");
			this.setExtendedState(Frame.MAXIMIZED_BOTH);
			this.setAlwaysOnTop(isAlwaysOnTopSupported());
			this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
			getContentPane().setLayout(new BorderLayout());
			this.setIconImage(Toolkit.getDefaultToolkit().
					getImage(LoginWindow.class.getResource(LOGOPATH)));
			this.setResizable(false);
			getContentPane().add(viewer, BorderLayout.CENTER);

		} catch (JRException e) {
			logging.setMessage("JRException report error!");
		}

	}
 

@Override
public JRDataSource create(JasperReport jasperReport) throws JRException {
	return new JRBeanCollectionDataSource(getData());
}
 

private JRDataSource getDatasource(List data) {
  if (data != null) {
    return new JRBeanCollectionDataSource(data);
  }
  return new JRBeanCollectionDataSource(new ArrayList());
}
 

private JRDataSource getDataSource() {
	return new JRBeanCollectionDataSource(getData());
}
 

/**
 * Processes the download for Excel format
 * @param response
 * @param resourceId
 * @param auditStatistics
 * @param dataSource
 * @param locale
 * @param format
 * @throws ColumnBuilderException
 * @throws ClassNotFoundException
 * @throws JRException
 * @throws NotSupportedExportFormatException 
 */
@SuppressWarnings("unchecked")
public void export (
        HttpServletResponse response,
        long resourceId,
        AuditStatistics auditStatistics,
        Collection<?> dataSource,
        Locale locale,
        String format)
        throws ColumnBuilderException, ClassNotFoundException, JRException, NotSupportedExportFormatException {

    if (!exportFormatMap.containsKey(format)) {
        throw new NotSupportedExportFormatException(format);
    }
    ExportFormat exportFormat = exportFormatMap.get(format);

    DynamicReport dr = LayoutFactory.getInstance().buildReportLayout(locale, auditStatistics, format);
    // Retrieve our data source
    JRDataSource ds = new JRBeanCollectionDataSource(dataSource);

    // params is used for passing extra parameters
    JasperPrint jp =
            DynamicJasperHelper.generateJasperPrint(dr, new ClassicLayoutManager(), ds);
    
    // Create our output byte stream
    // This is the stream where the data will be written
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    JRExporter exporter;
    try {
        exporter = (JRExporter) Class.forName(exportFormat.getExporterClassName()).newInstance();
        exporter.setParameter(JRExporterParameter.JASPER_PRINT, jp);
        exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, baos);
        exporter.exportReport();
        response.setHeader(CONTENT_DISPOSITION, INLINE_FILENAME
            + getFileName(resourceId,exportFormat.getFileExtension()));
        // Make sure to set the correct content type
        // Each format has its own content type
        response.setContentType(exportFormat.getFileType());
        response.setContentLength(baos.size());
        // Write to reponse stream
        writeReportToResponseStream(response, baos);
    } catch (InstantiationException | IllegalAccessException ex) {
        LOGGER.warn(ex);
    }

}
 

private JRDataSource getDatasource(List data) {
  if (null != data) {
    return new JRBeanCollectionDataSource(data);
  }
  return new JRBeanCollectionDataSource(new ArrayList());
}
 

@Override
public JRDataSource create(JasperReport jrReport) throws JRException {


	return new JRBeanCollectionDataSource(userList);
}