Example usage for org.apache.poi.xssf.usermodel XSSFWorkbook XSSFWorkbook

List of usage examples for org.apache.poi.xssf.usermodel XSSFWorkbook XSSFWorkbook

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Introduction

In this page you can find the example usage for org.apache.poi.xssf.usermodel XSSFWorkbook XSSFWorkbook.

Prototype

public XSSFWorkbook()

Source Link

Document

Create a new SpreadsheetML workbook.

Usage

From source file:com.frameworkset.platform.sanylog.common.POIExcelUtil2007.java

License:Open Source License

/**
 * Excel Workbook?.//from w w w.jav  a2 s  . c  o m
 * 
 * @param colDesc 1717?:user_id,??:user_name,:type_name"
 * @param dataList
 * @return
 * @author gw_liaozh
 * @throws InvocationTargetException 
 * @throws IllegalAccessException 
 * @throws IllegalArgumentException 
 */
public static XSSFWorkbook createHSSFWorkbook(String colDesc, List<?> dataList)
        throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
    //???1717
    //TODO: ?
    List<String> colTitleList = getColumnTitleList(colDesc);
    List<String> colFieldList = getColumnFieldList(colDesc);

    XSSFWorkbook wb = new XSSFWorkbook();
    XSSFSheet sheet = wb.createSheet();

    XSSFFont font = getBaseFont(wb);
    XSSFCellStyle headCellStyle = getHeadCellStyle(wb, font);

    //?
    CellStyle dateCellStyle = getDateTimeCellStyle(wb);

    //CellStyle strCellStyle = getStringCellStyle(wb);

    //??1717
    XSSFDataValidationHelper dvHelper = new XSSFDataValidationHelper(sheet);
    Map<String, Class<?>> fieldTypeMap = new HashMap<String, Class<?>>();

    //
    XSSFRow titleRow = sheet.createRow(0);
    for (int i = 0; i < colTitleList.size(); i++) {
        XSSFCell cell = titleRow.createCell(i);
        cell.setCellStyle(headCellStyle);
        cell.setCellType(HSSFCell.CELL_TYPE_STRING);
        cell.setCellValue(colTitleList.get(i));
    }

    //?1717
    for (int i = 0; i < dataList.size(); i++) {
        Object obj = dataList.get(i);
        XSSFRow row = sheet.createRow(i + 1);
        for (int j = 0; j < colFieldList.size(); j++) {
            String fieldName = colFieldList.get(j);
            XSSFCell cell = row.createCell(j);
            if (obj == null) {
                continue;
            }
            Object value = BeanConvertUtil.getProperty(obj, fieldName);
            //ClassInfo classInfo = ClassUtil.getClassInfo(obj.getClass());
            //Object value = classInfo.getPropertyDescriptor(fieldName).getValue(obj);
            if (value == null) {
                continue;
            }
            //??
            if (value instanceof Number) {
                cell.setCellType(HSSFCell.CELL_TYPE_NUMERIC);
                cell.setCellValue(((Number) value).doubleValue());
            } else if (value instanceof Date) {
                cell.setCellStyle(dateCellStyle);
                cell.setCellValue((Date) value);
            } else {
                cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                //cell.setCellStyle(strCellStyle);
                cell.setCellValue(value.toString());
            }
            fieldTypeMap.put(fieldName, value.getClass());
        }
    }

    //??
    for (int i = 0; i < colFieldList.size(); i++) {
        String fieldName = colFieldList.get(i);
        Class<?> fieldClass = fieldTypeMap.get(fieldName);
        if (fieldClass == null) {
            continue;
        }
        CellRangeAddressList range = new CellRangeAddressList(1, 65535, i, i);
        DataValidationConstraint constraint = null;
        if (Integer.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createIntegerConstraint(DataValidationConstraint.OperatorType.NOT_BETWEEN,
                    "0", "-1");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        } else if (Number.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createNumericConstraint(DataValidationConstraint.ValidationType.DECIMAL,
                    DataValidationConstraint.OperatorType.NOT_BETWEEN, "0", "-1");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        } else if (Date.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createDateConstraint(DataValidationConstraint.OperatorType.NOT_BETWEEN,
                    "0000-01-02", "0000-01-01", "yyyy-MM-dd");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        }
    }

    //
    for (int i = 0; i < colTitleList.size(); i++) {
        //??
        //sheet.autoSizeColumn(i);
    }

    return wb;
}

From source file:com.frameworkset.platform.util.POIExcelUtil.java

License:Open Source License

/**
 * Excel Workbook?.// w w  w.  jav  a2s. c o  m
 * 
 * @param colDesc
 *            "?:user_id,??:user_name,:type_name"
 * @param dataList
 * @return
 * @author gw_liaozh
 * @throws InvocationTargetException
 * @throws IllegalAccessException
 * @throws IllegalArgumentException
 */
public static XSSFWorkbook createHSSFWorkbook(List<String> titlesList, List<?> dataList)
        throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {

    // ???
    List<String> colFieldList = getColumnFieldList(titlesList);

    XSSFWorkbook wb = new XSSFWorkbook();
    XSSFSheet sheet = wb.createSheet();

    XSSFFont font = getBaseFont(wb);
    XSSFCellStyle headCellStyle = getHeadCellStyle(wb, font);

    // ?
    CellStyle dateCellStyle = getDateTimeCellStyle(wb);

    // ??1717
    XSSFDataValidationHelper dvHelper = new XSSFDataValidationHelper(sheet);
    Map<String, Class<?>> fieldTypeMap = new HashMap<String, Class<?>>();

    SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");

    // 
    XSSFRow titleRow = sheet.createRow(0);
    for (int i = 0; i < titlesList.size(); i++) {
        XSSFCell cell = titleRow.createCell(i);
        cell.setCellStyle(headCellStyle);
        cell.setCellType(HSSFCell.CELL_TYPE_STRING);
        cell.setCellValue(titlesList.get(i));
    }
    ClassInfo classInfo = null;
    // ?
    for (int i = 0; i < dataList.size(); i++) {
        Object obj = dataList.get(i);
        if (classInfo == null)
            classInfo = ClassUtil.getClassInfo(obj.getClass());
        XSSFRow row = sheet.createRow(i + 1);
        for (int j = 0; j < colFieldList.size(); j++) {
            String fieldName = colFieldList.get(j);
            XSSFCell cell = row.createCell(j);
            if (obj == null) {
                continue;
            }
            PropertieDescription reflexField = classInfo.getPropertyDescriptor(fieldName);
            Object value = reflexField.getValue(obj);

            // ClassInfo classInfo = ClassUtil.getClassInfo(obj.getClass());
            // Object value = classInfo.getPropertyDescriptor(fieldName).getValue(obj);
            if (value == null) {
                continue;
            }
            // ??
            if (value instanceof Number) {
                cell.setCellType(HSSFCell.CELL_TYPE_NUMERIC);
                cell.setCellValue(((Number) value).doubleValue());
            } else if (value instanceof Date || value instanceof Timestamp) {
                cell.setCellStyle(dateCellStyle);
                cell.setCellValue(sdf.format((Date) value));
            } else {
                cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                // cell.setCellStyle(strCellStyle);
                cell.setCellValue(value.toString());
            }
            fieldTypeMap.put(fieldName, value.getClass());
        }
    }

    // ??
    for (int i = 0; i < colFieldList.size(); i++) {
        String fieldName = colFieldList.get(i);
        Class<?> fieldClass = fieldTypeMap.get(fieldName);
        if (fieldClass == null) {
            continue;
        }
        CellRangeAddressList range = new CellRangeAddressList(1, 65535, i, i);
        DataValidationConstraint constraint = null;
        if (Integer.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createIntegerConstraint(DataValidationConstraint.OperatorType.NOT_BETWEEN,
                    "0", "-1");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        } else if (Number.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createNumericConstraint(DataValidationConstraint.ValidationType.DECIMAL,
                    DataValidationConstraint.OperatorType.NOT_BETWEEN, "0", "-1");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        } else if (Date.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createDateConstraint(DataValidationConstraint.OperatorType.NOT_BETWEEN,
                    "0000-01-02", "0000-01-01", "yyyy-MM-dd");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        }
    }

    // 
    for (int i = 0; i < titlesList.size(); i++) {
        // ??
        sheet.autoSizeColumn(i);
    }

    return wb;
}

From source file:com.frameworkset.platform.util.POIExcelUtil2007.java

License:Open Source License

/**
 * Excel Workbook?./* w w  w  . ja v  a2  s.  co  m*/
 * 
 * @param colDesc ?:user_id,??:user_name,:type_name"
 * @param dataList
 * @return
 * @author gw_liaozh
 * @throws InvocationTargetException 
 * @throws IllegalAccessException 
 * @throws IllegalArgumentException 
 */
public static XSSFWorkbook createHSSFWorkbook(String colDesc, List<?> dataList)
        throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
    //???
    //TODO: ?
    List<String> colTitleList = getColumnTitleList(colDesc);
    List<String> colFieldList = getColumnFieldList(colDesc);

    XSSFWorkbook wb = new XSSFWorkbook();
    XSSFSheet sheet = wb.createSheet();

    XSSFFont font = getBaseFont(wb);
    XSSFCellStyle headCellStyle = getHeadCellStyle(wb, font);

    //?
    CellStyle dateCellStyle = getDateTimeCellStyle(wb);

    //CellStyle strCellStyle = getStringCellStyle(wb);

    //??
    XSSFDataValidationHelper dvHelper = new XSSFDataValidationHelper(sheet);
    Map<String, Class<?>> fieldTypeMap = new HashMap<String, Class<?>>();

    //
    XSSFRow titleRow = sheet.createRow(0);
    for (int i = 0; i < colTitleList.size(); i++) {
        XSSFCell cell = titleRow.createCell(i);
        cell.setCellStyle(headCellStyle);
        cell.setCellType(HSSFCell.CELL_TYPE_STRING);
        cell.setCellValue(colTitleList.get(i));
    }

    //?
    for (int i = 0; i < dataList.size(); i++) {
        Object obj = dataList.get(i);
        XSSFRow row = sheet.createRow(i + 1);
        for (int j = 0; j < colFieldList.size(); j++) {
            String fieldName = colFieldList.get(j);
            XSSFCell cell = row.createCell(j);
            if (obj == null) {
                continue;
            }
            Object value = BeanConvertUtil.getProperty(obj, fieldName);
            //ClassInfo classInfo = ClassUtil.getClassInfo(obj.getClass());
            //Object value = classInfo.getPropertyDescriptor(fieldName).getValue(obj);
            if (value == null) {
                continue;
            }
            //??
            if (value instanceof Number) {
                cell.setCellType(HSSFCell.CELL_TYPE_NUMERIC);
                cell.setCellValue(((Number) value).doubleValue());
            } else if (value instanceof Date) {
                cell.setCellStyle(dateCellStyle);
                cell.setCellValue((Date) value);
            } else {
                cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                //cell.setCellStyle(strCellStyle);
                cell.setCellValue(value.toString());
            }
            fieldTypeMap.put(fieldName, value.getClass());
        }
    }

    //??
    for (int i = 0; i < colFieldList.size(); i++) {
        String fieldName = colFieldList.get(i);
        Class<?> fieldClass = fieldTypeMap.get(fieldName);
        if (fieldClass == null) {
            continue;
        }
        CellRangeAddressList range = new CellRangeAddressList(1, 65535, i, i);
        DataValidationConstraint constraint = null;
        if (Integer.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createIntegerConstraint(DataValidationConstraint.OperatorType.NOT_BETWEEN,
                    "0", "-1");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        } else if (Number.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createNumericConstraint(DataValidationConstraint.ValidationType.DECIMAL,
                    DataValidationConstraint.OperatorType.NOT_BETWEEN, "0", "-1");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        } else if (Date.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createDateConstraint(DataValidationConstraint.OperatorType.NOT_BETWEEN,
                    "0000-01-02", "0000-01-01", "yyyy-MM-dd");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        }
    }

    //
    for (int i = 0; i < colTitleList.size(); i++) {
        //??
        //sheet.autoSizeColumn(i);
    }

    return wb;
}

From source file:com.github.autoprimer3.Primer3ResultViewController.java

License:Open Source License

private void writePrimersToExcel(final File f) throws IOException {
    final Service<Void> service = new Service<Void>() {
        @Override//from  w  w w  . j  av  a2 s  . c o m
        protected Task<Void> createTask() {
            return new Task<Void>() {
                @Override
                protected Void call() throws IOException {
                    BufferedOutputStream bo = new BufferedOutputStream(new FileOutputStream(f));
                    Workbook wb = new XSSFWorkbook();
                    CellStyle hlink_style = wb.createCellStyle();
                    Font hlink_font = wb.createFont();
                    hlink_font.setUnderline(Font.U_SINGLE);
                    hlink_font.setColor(IndexedColors.BLUE.getIndex());
                    hlink_style.setFont(hlink_font);
                    CreationHelper createHelper = wb.getCreationHelper();
                    Sheet listSheet = wb.createSheet();
                    Sheet detailsSheet = wb.createSheet();
                    Row row = null;
                    int rowNo = 0;
                    int sheetNo = 0;
                    wb.setSheetName(sheetNo++, "List");
                    wb.setSheetName(sheetNo++, "Details");

                    row = listSheet.createRow(rowNo++);
                    String header[] = { "Primer", "Sequence", "Product Size (bp)" };
                    for (int col = 0; col < header.length; col++) {
                        Cell cell = row.createCell(col);
                        cell.setCellValue(header[col]);
                    }

                    updateMessage("Writing primers . . .");
                    updateProgress(0, data.size() * 3);
                    int n = 0;
                    for (Primer3Result r : data) {
                        n++;
                        updateMessage("Writing primer list " + n + " . . .");
                        row = listSheet.createRow(rowNo++);
                        int col = 0;
                        Cell cell = row.createCell(col++);
                        cell.setCellValue(r.getName() + "F");
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getLeftPrimer());
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getProductSize());
                        updateProgress(n, data.size() * 3);
                        updateMessage("Writing primer list " + n + " . . .");
                        row = listSheet.createRow(rowNo++);
                        col = 0;
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getName() + "R");
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getRightPrimer());
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getProductSize());
                        n++;
                        updateProgress(n, data.size() * 3);
                    }
                    rowNo = 0;
                    row = detailsSheet.createRow(rowNo++);
                    ArrayList<String> detailsHeader = new ArrayList<>(Arrays.asList("Name", "Other IDs",
                            "Left Primer", "Right Primer", "Product Size (bp)", "Region", "in-silico PCR"));
                    if (ispcrResCol.isVisible()) {
                        detailsHeader.add("in-silico PCR Results");
                    }
                    for (int col = 0; col < detailsHeader.size(); col++) {
                        Cell cell = row.createCell(col);
                        cell.setCellValue(detailsHeader.get(col));
                    }
                    int m = 0;
                    for (Primer3Result r : data) {
                        m++;
                        updateMessage("Writing details for pair " + m + " . . .");
                        row = detailsSheet.createRow(rowNo++);
                        int col = 0;
                        Cell cell = row.createCell(col++);
                        cell.setCellValue(r.getName());
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getTranscripts());
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getLeftPrimer());
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getRightPrimer());
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getProductSize());
                        cell = row.createCell(col++);
                        cell.setCellValue(r.getRegion());
                        cell = row.createCell(col++);
                        if (r.getIsPcrUrl() != null) {
                            cell.setCellValue("isPCR");
                            org.apache.poi.ss.usermodel.Hyperlink hl = createHelper
                                    .createHyperlink(org.apache.poi.ss.usermodel.Hyperlink.LINK_URL);
                            hl.setAddress(r.getIsPcrUrl());
                            cell.setHyperlink(hl);
                            cell.setCellStyle(hlink_style);
                        } else {
                            cell.setCellValue("");
                        }
                        if (ispcrResCol.isVisible()) {
                            cell = row.createCell(col++);
                            if (r.getIsPcrResults() != null) {
                                cell.setCellValue(r.getIsPcrResults());
                            } else {
                                cell.setCellValue("");
                            }
                        }
                        updateProgress(n + m, data.size() * 3);
                    }

                    updateMessage("Wrote " + data.size() + " primer pairs to file.");
                    wb.write(bo);
                    bo.close();
                    return null;
                }
            };
        }

    };

    service.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {

            Action response = Dialogs.create().title("Done").masthead("Finished writing")
                    .message("Primers successfully written to " + f.getAbsolutePath()
                            + "\n\nDo you want to open " + "this file now?")
                    .actions(Dialog.ACTION_YES, Dialog.ACTION_NO).styleClass(Dialog.STYLE_CLASS_NATIVE)
                    .showConfirm();

            if (response == Dialog.ACTION_YES) {
                try {
                    openFile(f);
                } catch (IOException ex) {
                    Action openFailed = Dialogs.create().title("Open failed")
                            .masthead("Could not open output file")
                            .message("Exception encountered when attempting to open "
                                    + "the saved file. See below:")
                            .styleClass(Dialog.STYLE_CLASS_NATIVE).showException(ex);
                }
            }
            progressBar.progressProperty().unbind();
            progressBar.setVisible(false);
            summaryLabel.textProperty().unbind();
            summaryLabel.setText(summary);
            closeButton.setDisable(false);
            closeMenuItem.setDisable(false);
            setCheckIsPcrButton();
        }
    });
    service.setOnCancelled(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            Dialogs writeCancelled = Dialogs.create().title("Writing Cancelled")
                    .masthead("Cancelled writing to file").message("User cancelled writing primers to file.")
                    .styleClass(Dialog.STYLE_CLASS_NATIVE);
            writeCancelled.showInformation();
            progressBar.progressProperty().unbind();
            progressBar.setVisible(false);
            summaryLabel.textProperty().unbind();
            summaryLabel.setText(summary);
            closeButton.setDisable(false);
            closeMenuItem.setDisable(false);
            setCheckIsPcrButton();
        }
    });
    service.setOnFailed(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            Action writeFailed = Dialogs.create().title("Writing failed")
                    .masthead("Could not write primers to file")
                    .message("Exception encountered when attempting to write " + "primers to file. See below:")
                    .styleClass(Dialog.STYLE_CLASS_NATIVE).showException(e.getSource().getException());
            progressBar.progressProperty().unbind();
            progressBar.setVisible(false);
            summaryLabel.textProperty().unbind();
            summaryLabel.setText(summary);
            closeButton.setDisable(false);
            closeMenuItem.setDisable(false);
            setCheckIsPcrButton();
        }
    });
    progressBar.setVisible(true);
    progressBar.progressProperty().bind(service.progressProperty());
    summaryLabel.textProperty().bind(service.messageProperty());
    closeButton.setDisable(true);
    closeMenuItem.setDisable(true);
    checkIsPcrButton.setText("Cancel");
    checkIsPcrButton.setOnAction(new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent actionEvent) {
            service.cancel();

        }
    });
    service.start();
}

From source file:com.github.crab2died.ExcelUtils.java

License:Open Source License

private Workbook exportExcelNoTemplateHandler(List<?> data, Class clazz, boolean isWriteHeader,
        String sheetName, boolean isXSSF) throws Excel4JException {

    Workbook workbook;/* www. j a  va2 s  .  c om*/
    if (isXSSF) {
        workbook = new XSSFWorkbook();
    } else {
        workbook = new HSSFWorkbook();
    }

    generateSheet(workbook, data, clazz, isWriteHeader, sheetName);

    return workbook;
}

From source file:com.github.crab2died.ExcelUtils.java

License:Open Source License

private Workbook exportExcelNoTemplateHandler(List<NoTemplateSheetWrapper> sheetWrappers, boolean isXSSF)
        throws Excel4JException {

    Workbook workbook;/*from   w w w  .ja  va  2  s  .c o m*/
    if (isXSSF) {
        workbook = new XSSFWorkbook();
    } else {
        workbook = new HSSFWorkbook();
    }

    // sheet
    for (NoTemplateSheetWrapper sheet : sheetWrappers) {
        generateSheet(workbook, sheet.getData(), sheet.getClazz(), sheet.isWriteHeader(), sheet.getSheetName());
    }

    return workbook;
}

From source file:com.github.crab2died.ExcelUtils.java

License:Open Source License

private Workbook exportExcelBySimpleHandler(List<?> data, List<String> header, String sheetName,
        boolean isXSSF) {

    Workbook workbook;//www.ja  v  a2  s . c o m
    if (isXSSF) {
        workbook = new XSSFWorkbook();
    } else {
        workbook = new HSSFWorkbook();
    }
    // ?sheet
    this.generateSheet(workbook, data, header, sheetName);

    return workbook;
}

From source file:com.github.crab2died.ExcelUtils.java

License:Open Source License

private Workbook exportExcelBySimpleHandler(List<SimpleSheetWrapper> sheets, boolean isXSSF) {

    Workbook workbook;//  w  ww .j av a2 s  .com
    if (isXSSF) {
        workbook = new XSSFWorkbook();
    } else {
        workbook = new HSSFWorkbook();
    }
    // ?sheet
    for (SimpleSheetWrapper sheet : sheets) {
        this.generateSheet(workbook, sheet.getData(), sheet.getHeader(), sheet.getSheetName());
    }

    return workbook;
}

From source file:com.github.cutstock.excel.ExcelWriterSupport.java

License:Apache License

public void init() {
    if (getSheetVersion().equalsIgnoreCase(FileVersion2003)) {
        wb = new HSSFWorkbook();
    } else {/*from   www . j  a  va2 s  . c o m*/
        wb = new XSSFWorkbook();
    }
    Sheet sheet = wb.createSheet();
    sheetBuilder = new SheetBuilder(sheet);
}

From source file:com.github.mutationmapper.MutationMapperResultViewController.java

License:Open Source License

private void writeResultsToExcel(final File f) throws IOException {
    final Service<Void> service = new Service<Void>() {
        @Override/* w  w w  .j  a v  a  2 s .c  o  m*/
        protected Task<Void> createTask() {
            return new Task<Void>() {
                @Override
                protected Void call() throws IOException {
                    BufferedOutputStream bo = new BufferedOutputStream(new FileOutputStream(f));
                    Workbook wb = new XSSFWorkbook();
                    //CellStyle hlink_style = wb.createCellStyle();
                    //Font hlink_font = wb.createFont();
                    //hlink_font.setUnderline(Font.U_SINGLE);
                    //hlink_font.setColor(IndexedColors.BLUE.getIndex());
                    //hlink_style.setFont(hlink_font);
                    //CreationHelper createHelper = wb.getCreationHelper();
                    Sheet sheet = wb.createSheet();
                    Row row = null;
                    int rowNo = 0;
                    row = sheet.createRow(rowNo++);
                    String header[] = { "#", "Symbol", "Gene", "Transcript", "Genomic Coordinate", "Ref", "Var",
                            "CDS", "Consequence", "CDS Consequence", "Protein Consequence", "Exon/Intron",
                            "Colocated Variants", "Polyphen", "Sift", "Seq Input" };
                    for (int col = 0; col < header.length; col++) {
                        Cell cell = row.createCell(col);
                        cell.setCellValue(header[col]);
                    }

                    updateMessage("Writing results . . .");
                    updateProgress(0, displayData.size());
                    int n = 0;
                    for (MutationMapperResult r : displayData) {
                        n++;
                        updateMessage("Writing result " + n + " . . .");
                        row = sheet.createRow(rowNo++);
                        int col = 0;
                        ArrayList<String> resultsToWrite = getResultArray(r);
                        for (String s : resultsToWrite) {
                            Cell cell = row.createCell(col++);
                            cell.setCellValue(s);
                        }
                        updateProgress(n, displayData.size());
                    }

                    updateMessage("Wrote " + displayData.size() + " results to file.");
                    wb.write(bo);
                    bo.close();
                    return null;
                }
            };
        }

    };

    service.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            Alert alert = new Alert(AlertType.CONFIRMATION);
            alert.setTitle("File Saved");
            alert.setHeaderText("Displayed results saved to " + f.getName());
            alert.setContentText("Open this file now?");
            ButtonType yesButton = ButtonType.YES;
            ButtonType noButton = ButtonType.NO;
            alert.getButtonTypes().setAll(yesButton, noButton);
            Optional<ButtonType> response = alert.showAndWait();
            if (response.get() == yesButton) {
                try {
                    openFile(f);
                } catch (Exception ex) {
                    Alert openError = getExceptionDialog(ex);
                    openError.setTitle("Open Failed");
                    openError.setHeaderText("Could not open ouput file.");
                    openError.setContentText(
                            "Exception encountered when attempting to open " + "the saved file. See below:");
                    openError.showAndWait();
                }
            }
        }
    });
    service.setOnCancelled(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            Alert writeCancelled = new Alert(AlertType.INFORMATION);
            writeCancelled.setTitle("Cancelled writing to file");
            writeCancelled.setHeaderText("User cancelled writing primers to file.");
            writeCancelled.showAndWait();
        }
    });
    service.setOnFailed(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            Alert writeFailed = getExceptionDialog(e.getSource().getException());
            writeFailed.setTitle("Write Failed");
            writeFailed.setHeaderText("Could not write ouput file.");
            writeFailed.setContentText(
                    "Exception encountered when attempting to write " + "results to file. See below:");
            writeFailed.showAndWait();

        }
    });
    service.start();
}