Example usage for org.apache.wicket.util.io ByteArrayOutputStream ByteArrayOutputStream

List of usage examples for org.apache.wicket.util.io ByteArrayOutputStream ByteArrayOutputStream

  1. HOME
  2. Java
  3. org.apache.wicket
  4. org.apache.wicket.util.io.*
  5. ByteArrayOutputStream
  6. ByteArrayOutputStream

Introduction

In this page you can find the example usage for org.apache.wicket.util.io ByteArrayOutputStream ByteArrayOutputStream.

Prototype

public ByteArrayOutputStream()

Source Link

Document

Creates a new byte array output stream.

Usage

From source file:au.org.theark.core.util.CustomFieldImporter.java

License:Open Source License

/**
 * Return the inputstream of the converted workbook as csv
 * //w w  w  . j av  a2 s .  c  o  m
 * @return inputstream of the converted workbook as csv
 */
@Override
public InputStream convertXlsToCsv(Workbook w) {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        OutputStreamWriter osw = new OutputStreamWriter(out);

        // Gets first sheet from workbook
        Sheet s = w.getSheet(0);

        Cell[] row = null;

        // Gets the cells from sheet
        for (int i = 0; i < s.getRows(); i++) {
            row = s.getRow(i);

            if (row.length > 0) {
                osw.write(row[0].getContents());
                for (int j = 1; j < row.length; j++) {
                    osw.write(phenotypicDelimChr);
                    osw.write(row[j].getContents());
                }
            }
            osw.write("\n");
        }

        osw.flush();
        osw.close();
    } catch (UnsupportedEncodingException e) {
        System.err.println(e.toString());
    } catch (IOException e) {
        System.err.println(e.toString());
    } catch (Exception e) {
        System.err.println(e.toString());
    }
    return new ByteArrayInputStream(out.toByteArray());
}

From source file:au.org.theark.core.util.XLStoCSV.java

License:Open Source License

/**
 * Return the inputstream of the converted workbook as csv
 * /*www. j  ava2  s.  co  m*/
 * @return inputstream of the converted workbook as csv
 */
public InputStream convertXlsToCsv(Workbook w) {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    SimpleDateFormat sdf = new SimpleDateFormat(Constants.DD_MM_YYYY);
    try {
        OutputStreamWriter osw = new OutputStreamWriter(out);
        // Gets first sheet from workbook
        Sheet s = w.getSheet(0);
        Cell[] row = null;

        for (int i = 0; i < s.getRows(); i++) {
            row = s.getRow(i);

            if (row.length > 0) {
                osw.write(row[0].getContents());
                for (int j = 1; j < row.length; j++) {
                    osw.write(delimiterCharacter);
                    Cell cell = row[j];
                    if (row[j].getContents().contains(",")) {
                        osw.write('"');
                        if (cell instanceof DateCell) {
                            DateCell dc = (DateCell) cell;
                            Date d = dc.getDate();
                            osw.write(sdf.format(d));
                        } else {
                            osw.write(cell.getContents());
                        }
                        osw.write('"');
                    } else {
                        if (cell instanceof DateCell) {
                            DateCell dc = (DateCell) cell;
                            Date d = dc.getDate();
                            osw.write(sdf.format(d));
                        } else {
                            osw.write(cell.getContents());
                        }
                    }
                }
            }
            osw.write("\n");
        }

        osw.flush();
        osw.close();
    } catch (UnsupportedEncodingException e) {
        System.err.println(e.toString());
    } catch (IOException e) {
        System.err.println(e.toString());
    } catch (Exception e) {
        System.err.println(e.toString());
    }
    return new ByteArrayInputStream(out.toByteArray());
}

From source file:au.org.theark.core.web.component.button.ArkDownloadAjaxButton.java

License:Open Source License

public byte[] writeOutXlsFileToBytes(String[] xlsHeader) {
    byte[] bytes = null;
    ArkSheetMetaData sheetMetaData = new ArkSheetMetaData();
    sheetMetaData.setRows(1);/*w ww . ja  v a  2 s .c  o m*/
    sheetMetaData.setCols(xlsHeader.length);

    try {
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        WritableWorkbook w = Workbook.createWorkbook(output);
        WritableSheet writableSheet = w.createSheet("Sheet", 0);

        for (int row = 0; row < sheetMetaData.getRows(); row++) {
            for (int col = 0; col < sheetMetaData.getCols(); col++) {
                String cellData = xlsHeader[col];
                jxl.write.Label label = new jxl.write.Label(col, row, cellData);
                writableSheet.addCell(label);
            }
        }

        w.write();
        w.close();
        bytes = output.toByteArray();
        output.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return bytes;
}

From source file:au.org.theark.core.web.component.button.ArkDownloadTemplateButton.java

License:Open Source License

public byte[] writeOutXlsFileToBytes() {
    byte[] bytes = null;

    WritableFont normalFont = new WritableFont(WritableFont.ARIAL, 10, WritableFont.NO_BOLD);
    WritableFont boldFont = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD);
    WritableCellFormat cellFormat = null;

    try {//from   w w  w  . jav  a2  s . c o m
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        WritableWorkbook w = Workbook.createWorkbook(output);
        WritableSheet writableSheet = w.createSheet("Sheet", 0);

        for (int row = 0; row < getTemplateCells().length; row++) {
            for (int col = 0; col < sheetMetaData.getCols(); col++) {
                String cellData = getTemplateCells()[row][col];
                jxl.write.Label label = new jxl.write.Label(col, row, cellData);

                if (row == 0) {
                    // Header row in bold
                    cellFormat = new WritableCellFormat(boldFont);
                } else {
                    cellFormat = new WritableCellFormat(normalFont);
                }

                label.setCellFormat(cellFormat);
                writableSheet.addCell(label);
            }
        }

        w.write();
        w.close();
        bytes = output.toByteArray();
        output.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return bytes;
}

From source file:au.org.theark.core.web.component.worksheet.ArkExcelWorkSheetAsGrid.java

License:Open Source License

public void initialiseWorkbook(InputStream inputStream, char delimChar) {
    delimiterType = delimChar;//w  ww  . j  a  v  a2  s  .c om
    if (fileFormat.equalsIgnoreCase("XLS")) {
        try {
            // Try to get the XLS workbook/sheet
            // Streams directly from inputStream into Workbook.getWorkbook(Inputstream)
            Workbook wkb = Workbook.getWorkbook(inputStream);
            sheet = wkb.getSheet(0); // get First Work Sheet
        } catch (IOException e) {
            e.printStackTrace();
        } catch (BiffException e) {
            e.printStackTrace();
        }
    } else {
        // Error when reading XLS file type, so must be CSV or TXT
        // Thus attempt a convert from csv or text to xls format
        try {
            ByteArrayOutputStream output = new ByteArrayOutputStream();
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            CsvReader csvReader = new CsvReader(inputStreamReader, delimiterType);
            WritableWorkbook writableWorkBook = Workbook.createWorkbook(output);
            jxl.write.WritableSheet wsheet = writableWorkBook.createSheet("Sheet", 0);
            int row = 0;

            WritableFont normalFont = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD);
            WritableCellFormat insertCellFormat = new WritableCellFormat(normalFont);
            insertCellFormat.setBackground(Colour.LIGHT_GREEN);

            WritableCellFormat updateCellFormat = new WritableCellFormat(normalFont);
            updateCellFormat.setBackground(Colour.LIGHT_BLUE);

            WritableFont errorFont = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD);
            WritableCellFormat errorCellFormat = new WritableCellFormat(errorFont);
            errorCellFormat.setBackground(Colour.RED);

            // Loop through all rows in file
            while (csvReader.readRecord()) {
                String[] stringArray = csvReader.getValues();

                for (int col = 0; col < stringArray.length; col++) {
                    jxl.write.Label label = new jxl.write.Label(col, row, stringArray[col]);

                    if (!errorCells.isEmpty()) {
                        ArkGridCell cell = new ArkGridCell(col, row);
                        if (errorCells.contains(cell)) {
                            label.setCellFormat(errorCellFormat);
                        } else if (updateRows.contains(row)) {
                            label.setCellFormat(updateCellFormat);
                        } else {
                            label.setCellFormat(insertCellFormat);
                        }
                    }
                    wsheet.addCell(label);
                }
                row++;
            }

            // All sheets and cells added. Now write out the workbook
            writableWorkBook.write();

            sheet = writableWorkBook.getSheet(0); // get First Work Sheet to display in webpage

            writableWorkBook.close();
            output.flush();
            inputStream.close();
            output.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (RowsExceededException e) {
            e.printStackTrace();
        } catch (WriteException e) {
            e.printStackTrace();
        }
    }

    // Store validated/formated workbook as bytes[] for download
    workBookAsBytes = writeOutValidationXlsFileToBytes();

    /*
     * Sets Sheet meta data. The HTML table creation needs this object to know about the rows and columns
     */
    sheetMetaData.setRows(sheet.getRows());
    sheetMetaData.setCols(sheet.getColumns());
}

From source file:au.org.theark.core.web.component.worksheet.ArkExcelWorkSheetAsGrid.java

License:Open Source License

public byte[] writeOutValidationXlsFileToBytes() {
    byte[] bytes = null;
    try {//  ww  w  . j a  v a 2s. co m
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        WritableWorkbook w = Workbook.createWorkbook(output);
        WritableSheet writableSheet = w.createSheet("Sheet", 0);
        WritableFont normalFont = new WritableFont(WritableFont.ARIAL, 10, WritableFont.NO_BOLD);
        WritableCellFormat insertCellFormat = new WritableCellFormat(normalFont);
        insertCellFormat.setBackground(Colour.LIGHT_GREEN);
        WritableCellFormat updateCellFormat = new WritableCellFormat(normalFont);
        // Override to light blue
        w.setColourRGB(Colour.LIGHT_BLUE, 173, 216, 230);
        updateCellFormat.setBackground(Colour.LIGHT_BLUE);
        WritableCellFormat errorCellFormat = new WritableCellFormat(normalFont);
        errorCellFormat.setBackground(Colour.RED);
        WritableCellFormat warningCellFormat = new WritableCellFormat(normalFont);
        warningCellFormat.setBackground(Colour.LIGHT_ORANGE);

        for (int row = 0; row < sheetMetaData.getRows(); row++) {
            for (int col = 0; col < sheetMetaData.getCols(); col++) {
                Cell cell = sheet.getCell(col, row);
                String cellData = cell.getContents();
                jxl.write.Label label = new jxl.write.Label(col, row, cellData);

                ArkGridCell gridCell = new ArkGridCell(col, row);
                if (row > 0) {
                    if (errorCells.contains(gridCell)) {
                        label.setCellFormat(errorCellFormat);
                    } else if (warningCells.contains(gridCell)) {
                        label.setCellFormat(warningCellFormat);
                    } else if (updateCells.contains(gridCell)) {
                        label.setCellFormat(updateCellFormat);
                    } else {
                        label.setCellFormat(insertCellFormat);
                    }
                }
                writableSheet.addCell(label);
            }
        }

        w.write();
        w.close();
        bytes = output.toByteArray();
        output.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return bytes;
}

From source file:au.org.theark.lims.web.component.inventory.panel.box.display.GridBoxPanel.java

License:Open Source License

/**
 * Initialise a WorkBook object representing the Box from the database and store as byte array
 * /*w w  w . j a v  a2s  . c o  m*/
 * @param invCellList
 * @return WorkBook as a byte array
 */
private byte[] createWorkBookAsByteArray(List<InvCell> invCellList) {
    byte[] bytes = null;
    try {
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        WritableWorkbook writableWorkBook = Workbook.createWorkbook(output);
        WritableSheet writableSheet = writableWorkBook.createSheet("Sheet", 0);

        int col = 0;
        int row = 0;
        int cellCount = 0;

        for (Iterator<InvCell> iterator = invCellList.iterator(); iterator.hasNext();) {
            InvCell invCell = (InvCell) iterator.next();
            row = invCell.getRowno().intValue();
            col = invCell.getColno().intValue();

            Biospecimen biospecimen = new Biospecimen();
            biospecimen = invCell.getBiospecimen();
            jxl.write.Label label = null;

            if (biospecimen != null) {
                label = new jxl.write.Label(col, row, biospecimen.getBiospecimenUid());
            } else {
                label = new jxl.write.Label(col, row, "");
            }
            writableSheet.addCell(label);
            cellCount = cellCount + 1;
        }

        writableWorkBook.write();
        writableWorkBook.close();
        bytes = output.toByteArray();
        output.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return bytes;
}

From source file:com.gitblit.servlet.PtServlet.java

License:Apache License

byte[] readAll(InputStream is) {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    try {//  w  w  w .j  a v  a2  s.c o  m
        byte[] buffer = new byte[4096];
        int len = 0;
        while ((len = is.read(buffer)) > -1) {
            os.write(buffer, 0, len);
        }
        return os.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            os.close();
            is.close();
        } catch (Exception e) {
            // ignore
        }
    }
    return new byte[0];
}

From source file:com.gitblit.utils.CompressionUtils.java

License:Apache License

/**
 * Compresses/archives the contents of the tree at the (optionally)
 * specified revision and the (optionally) specified basepath to the
 * supplied outputstream.//from  ww  w .  j  a v a  2 s . co m
 *
 * @param algorithm
 *            compression algorithm for tar (optional)
 * @param repository
 * @param basePath
 *            if unspecified, entire repository is assumed.
 * @param objectId
 *            if unspecified, HEAD is assumed.
 * @param os
 * @return true if repository was successfully zipped to supplied output
 *         stream
 */
private static boolean tar(String algorithm, Repository repository, String basePath, String objectId,
        OutputStream os) {
    RevCommit commit = JGitUtils.getCommit(repository, objectId);
    if (commit == null) {
        return false;
    }

    OutputStream cos = os;
    if (!StringUtils.isEmpty(algorithm)) {
        try {
            cos = new CompressorStreamFactory().createCompressorOutputStream(algorithm, os);
        } catch (CompressorException e1) {
            error(e1, repository, "{0} failed to open {1} stream", algorithm);
        }
    }
    boolean success = false;
    RevWalk rw = new RevWalk(repository);
    TreeWalk tw = new TreeWalk(repository);
    try {
        tw.reset();
        tw.addTree(commit.getTree());
        TarArchiveOutputStream tos = new TarArchiveOutputStream(cos);
        tos.setAddPaxHeadersForNonAsciiNames(true);
        tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);
        if (!StringUtils.isEmpty(basePath)) {
            PathFilter f = PathFilter.create(basePath);
            tw.setFilter(f);
        }
        tw.setRecursive(true);
        MutableObjectId id = new MutableObjectId();
        long modified = commit.getAuthorIdent().getWhen().getTime();
        while (tw.next()) {
            FileMode mode = tw.getFileMode(0);
            if (mode == FileMode.GITLINK || mode == FileMode.TREE) {
                continue;
            }
            tw.getObjectId(id, 0);

            ObjectLoader loader = repository.open(id);
            if (FileMode.SYMLINK == mode) {
                TarArchiveEntry entry = new TarArchiveEntry(tw.getPathString(), TarArchiveEntry.LF_SYMLINK);
                ByteArrayOutputStream bos = new ByteArrayOutputStream();
                loader.copyTo(bos);
                entry.setLinkName(bos.toString());
                entry.setModTime(modified);
                tos.putArchiveEntry(entry);
                tos.closeArchiveEntry();
            } else {
                TarArchiveEntry entry = new TarArchiveEntry(tw.getPathString());
                entry.setMode(mode.getBits());
                entry.setModTime(modified);
                entry.setSize(loader.getSize());
                tos.putArchiveEntry(entry);
                loader.copyTo(tos);
                tos.closeArchiveEntry();
            }
        }
        tos.finish();
        tos.close();
        cos.close();
        success = true;
    } catch (IOException e) {
        error(e, repository, "{0} failed to {1} stream files from commit {2}", algorithm, commit.getName());
    } finally {
        tw.release();
        rw.dispose();
    }
    return success;
}

From source file:com.japancuccok.common.infrastructure.gae.GaeDeferredFileOutputStream.java

License:Apache License

/**
 * Constructs an instance of this class which will trigger an event at the specified threshold,
 * and save data to a file beyond that point.
 * //  www  . j  a  va2  s  .  c o  m
 * @param threshold
 *            The number of bytes at which to trigger an event.
 * @param fileName
 *            The file to which data is saved beyond the threshold.
 */
public GaeDeferredFileOutputStream(int threshold, String fileName) {
    super(threshold);
    this.fileName = fileName;

    memoryOutputStream = new ByteArrayOutputStream();
    currentOutputStream = memoryOutputStream;
}