Examples of org.jboss.seam.excel.ExcelWorkbookException

org.jboss.seam.excel.ExcelWorkbookException
Encapsulate errors occuring in excel workbook generation @author Nicklas Karlsson (nickarls@gmail.com) @author Daniel Roth (danielc.roth@gmail.com)

            log.trace("Moving from row #0 to #1", currentRowIndex,
                    currentRowIndex + 1);
        }
        currentRowIndex++;
        if (currentRowIndex >= MAX_ROWS) {
            throw new ExcelWorkbookException(Interpolator.instance()
                    .interpolate("Excel only supports {0} rows", MAX_COLUMNS));
        }
    }

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            log.trace("Moving from column #0 to #1", currentColumnIndex,
                    currentColumnIndex + 1);
        }
        currentColumnIndex++;
        if (currentColumnIndex > MAX_COLUMNS) {
            throw new ExcelWorkbookException(Interpolator.instance()
                    .interpolate("Excel doesn't support more than {0} columns",
                            MAX_COLUMNS));
        }
        if (currentRowIndex > maxRowIndex) {
            maxRowIndex = currentRowIndex;

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      if (theValue == null) {
         try {
            theValue = cmp2String(FacesContext.getCurrentInstance(), this);
         } catch (IOException e) {
            String message = Interpolator.instance().interpolate("Could not render cell #0", getId());
            throw new ExcelWorkbookException(message, e);
         }
      }
      return theValue;
   }

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    private boolean workbookContainsSheet(String name) {
        if (log.isTraceEnabled()) {
            log.trace("Checking if workbook contains sheet named #0", name);
        }
        if (workbook == null) {
            throw new ExcelWorkbookException(
                    "Can't search for sheets before creating a workbook");
        }
        boolean found = false;
        for (String sheetName : workbook.getSheetNames()) {
            if (sheetName.equalsIgnoreCase(name)) {

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     * @param uiWorksheet
     *            The worksheet to create or select in the workbook
     */
    public void createOrSelectWorksheet(UIWorksheet uiWorksheet) {
        if (workbook == null) {
            throw new ExcelWorkbookException(
                    "You cannot create a worksheet before creating a workbook");
        }
        if (log.isDebugEnabled()) {
            log
                    .debug(

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        if (log.isTraceEnabled()) {
            log.trace("Adding a cell with data #1 at column #2 and row #3",
                    uiCell.getValue(), currentColumnIndex, currentRowIndex);
        }
        if (worksheet == null) {
            throw new ExcelWorkbookException(
                    "Can't add cells before creating worksheet");
        }


        // Determine where to really place the cell
        int useRow = uiCell.getRow() != null ? uiCell.getRow()
                : currentRowIndex;
        int useColumn = uiCell.getColumn() != null ? uiCell.getColumn()
                : currentColumnIndex;


        CellInfo cellInfo = jxlHelper.getCellInfo(uiCell);
        WritableCell cell = JXLHelper.createCell(useColumn, useRow, cellInfo
                .getCellType(), uiCell.getValue(), cellInfo.getCellFormat());
        if (cellInfo.getCellFeatures() != null) {
            cell.setCellFeatures(cellInfo.getCellFeatures());
        }
        try {
            worksheet.addCell(cell);
        } catch (WriteException e) {
            throw new ExcelWorkbookException("Could not add cell", e);
        }
        // Only increase row if cell had no explicit placing
        if (uiCell.getColumn() == null && uiCell.getRow() == null) {
            nextRow();
        }

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    public byte[] getBytes() {
        if (log.isTraceEnabled()) {
            log.trace("Returning bytes from workbook");
        }
        if (workbook == null) {
            throw new ExcelWorkbookException(
                    "You can't get workbook data before creating a workbook");
        }
        // You will get an IndexOutOfBoundException if trying to write a
        // workbook
        // without sheets,
        // creating a dummy. Could also throw an exception...
        if (workbook.getSheets().length == 0) {
            if (log.isTraceEnabled()) {
                log.trace("Creating dummy sheet");
            }
            workbook.createSheet("dummy", 0);
        }
        try {
            workbook.write();
            workbook.close();
        } catch (WriteException e) {
            throw new ExcelWorkbookException(
                    "There was an exception writing the workbook", e);
        } catch (IOException e) {
            throw new ExcelWorkbookException(
                    "There was an exception closing the workbook", e);
        }
        return byteStream.toByteArray();
    }

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                    templateStream = getClass().getResourceAsStream(urlString);
                } else {
                    templateStream = new URL(urlString).openStream();
                }
            } catch (Exception e) {
                throw new ExcelWorkbookException(
                        "Could not handle template URI", e);
            }
        }
        WorkbookSettings workbookSettings = null;
        if (uiWorkbook.hasSettings()) {
            workbookSettings = jxlHelper.createWorkbookSettings(uiWorkbook);
        }
        if (log.isDebugEnabled()) {
            log.debug("Creating workbook with creation type #0", uiWorkbook
                    .getCreationType());
        }
        // The joys of multiple constructors and no setters...
        try {
            switch (uiWorkbook.getCreationType()) {
            case WITH_SETTNGS_AND_TEMPLATE:
                workbook = Workbook.createWorkbook(byteStream, Workbook
                        .getWorkbook(templateStream), workbookSettings);
                break;
            case WITH_SETTINGS_WITHOUT_TEMPLATE:
                workbook = Workbook
                        .createWorkbook(byteStream, workbookSettings);
                break;
            case WITHOUT_SETTINGS_WITH_TEMPLATE:
                workbook = Workbook.createWorkbook(byteStream, Workbook
                        .getWorkbook(templateStream));
                break;
            case WITHOUT_SETTINGS_OR_TEMPLATE:
                workbook = Workbook.createWorkbook(byteStream);
                break;
            }
        } catch (Exception e) {
            throw new ExcelWorkbookException("Could not create workbook", e);
        }
        if (uiWorkbook.getWorkbookProtected() != null) {
            workbook.setProtected(uiWorkbook.getWorkbookProtected());
        }
        currentWorksheetIndex = workbook.getNumberOfSheets();

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     * @param uiColumn
     *            the UI column to inspect for settings
     */
    public void applyColumnSettings(UIColumn uiColumn) {
        if (worksheet == null) {
            throw new ExcelWorkbookException(
                    "You can't set column settings before creating a worksheet");
        }
        jxlHelper.applyColumnSettings(uiColumn, worksheet, currentColumnIndex);
    }

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     * @param uiImage
     *            The image to add
     */
    private void addImage(UIImage uiImage) {
        if (worksheet == null) {
            throw new ExcelWorkbookException(
                    "Can't add an image before creating a worksheet");
        }


        BufferedImage image = null;
        ByteArrayOutputStream pngStream = null;
        try {
            image = ImageIO.read(new URI(uiImage.getURI()).toURL());
            pngStream = new ByteArrayOutputStream();
            ImageIO.write(image, "PNG", pngStream);
        } catch (Exception e) {
            throw new ExcelWorkbookException("Could not load or process image",
                    e);
        }


        int useStartColumn = uiImage.getStartColumn() == null ? currentColumnIndex
                : uiImage.getStartRow();

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