private Collection<Object[]> loadFromSpreadsheet(final InputStream excelFile) throws IOException {
HSSFWorkbook workbook = new HSSFWorkbook(excelFile);
data = new ArrayList<Object[]>();
Sheet sheet = workbook.getSheetAt(0);
int numberOfColumns = countNonEmptyColumns(sheet);
List<Object[]> rows = new ArrayList<Object[]>();
List<Object> rowData = new ArrayList<Object>();
for (Row row : sheet) {
if (isEmpty(row)) {
break;
} else {
rowData.clear();
for (int column = 0; column < numberOfColumns; column++) {
Cell cell = row.getCell(column);
rowData.add(objectFrom(workbook, cell));
}
rows.add(rowData.toArray());
}
}
return rows;
}
public void readProcessSpreadSheet() {
processSpreadSheet = System.getProperty("processSpreadSheet");
System.out.println("processSpreadSheet: " + processSpreadSheet);
if (processCodesList.size() == 0) {
if (processSpreadSheet != null && !processSpreadSheet.equals("")) {
Workbook wb1 = null;
try {
wb1 = new XSSFWorkbook(processSpreadSheet);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Sheet sheet = wb1.getSheetAt(0);
Row row;
Cell cell;
int rows; // No of rows
rows = sheet.getPhysicalNumberOfRows();
int cols = 0; // No of columns
int tmp = 0;
// This trick ensures that we get the data properly even if it
// doesn't start from first few rows
for (int i = 0; i < 10 || i < rows; i++) {
row = sheet.getRow(i);
if (row != null) {
tmp = sheet.getRow(i).getPhysicalNumberOfCells();
// out.println("tmp value"+tmp);
if (tmp > cols) {
cols = tmp;
}
}
}
ProcessDefinition tempProcessCode;
for (int r1 = 0; r1 < rows; r1++) {
tempProcessCode = new ProcessDefinition();
row = sheet.getRow(r1);
if (row != null) {
if (row.getCell(0) != null) {
for (int counter = 0; counter < cols; counter++) {
cell = row.getCell((short) counter);
// cell = row.getCell(1);
if (counter == 0) {
if (cell != null) {
tempProcessCode.setProcessName(cell.getStringCellValue());
} else {
tempProcessCode.setProcessName("");
}
} else if (counter == 1) {
if (cell != null) {
tempProcessCode.setProcessCode(cell.getStringCellValue());
} else {
tempProcessCode.setProcessCode("");
}
} else if (counter == 2) {
if (cell != null) {
tempProcessCode.setIaeaCode(cell.getStringCellValue());
} else {
tempProcessCode.setIaeaCode("");
}
} else if (counter == 3) {
if (cell != null) {
tempProcessCode.setProcessDescription(cell.getStringCellValue());
// System.out.println(tempProcessCode.getProcessDescription());
} else {
tempProcessCode.setProcessDescription("");
// System.out.println("Process Description EMpty");
}
}
}
}
} else {
rows++;
}
processCodesList.add(tempProcessCode);
}
}
}
System.out.println(processCodesList.size());
}
private boolean isEmpty(final Row row) {
Cell firstCell = row.getCell(0);
boolean rowIsEmpty = (firstCell == null) || (firstCell.getCellType() == Cell.CELL_TYPE_BLANK);
return rowIsEmpty;
}
public File generateXLSResponse(QueryResult queryResult, Locale locale, String baseURL) {
File excelFile = new File("export_parts.xls");
// Blank workbook
XSSFWorkbook workbook = new XSSFWorkbook();
// Create a blank sheet
XSSFSheet sheet = workbook.createSheet("Parts Data");
String header = StringUtils.join(queryResult.getQuery().getSelects(), ";");
String[] columns = header.split(";");
Map<Integer, String[]> data = new HashMap<>();
String[] headerFormatted = createXLSHeaderRow(header, columns, locale);
data.put(1, headerFormatted);
Map<Integer, String[]> commentsData = new HashMap<>();
String[] headerComments = createXLSHeaderRowComments(header, columns);
commentsData.put(1, headerComments);
List<String> selects = queryResult.getQuery().getSelects();
int i = 1;
for (QueryResultRow row : queryResult.getRows()) {
i++;
data.put(i, createXLSRow(selects, row, baseURL));
commentsData.put(i, createXLSRowComments(selects, row));
}
// Iterate over data and write to sheet
Set<Integer> keyset = data.keySet();
int rownum = 0;
for (Integer key : keyset) {
Row row = sheet.createRow(rownum++);
String[] objArr = data.get(key);
int cellnum = 0;
for (String obj : objArr) {
Cell cell = row.createCell(cellnum++);
cell.setCellValue(obj);
}
CreationHelper factory = workbook.getCreationHelper();
Drawing drawing = sheet.createDrawingPatriarch();
String[] commentsObjArr = commentsData.get(key);
cellnum = 0;
for (String commentsObj : commentsObjArr) {
if (commentsObj.length() > 0) {
Cell cell = row.getCell(cellnum) != null ? row.getCell(cellnum) : row.createCell(cellnum);
// When the comment box is visible, have it show in a 1x3 space
ClientAnchor anchor = factory.createClientAnchor();
anchor.setCol1(cell.getColumnIndex());
anchor.setCol2(cell.getColumnIndex() + 1);
anchor.setRow1(row.getRowNum());
anchor.setRow2(row.getRowNum() + 1);
Comment comment = drawing.createCellComment(anchor);
RichTextString str = factory.createRichTextString(commentsObj);
comment.setString(str);
// Assign the comment to the cell
cell.setCellComment(comment);
}
cellnum++;
}
}
// Define header style
Font headerFont = workbook.createFont();
headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
headerFont.setFontHeightInPoints((short) 10);
headerFont.setFontName("Courier New");
headerFont.setItalic(true);
headerFont.setColor(IndexedColors.WHITE.getIndex());
CellStyle headerStyle = workbook.createCellStyle();
headerStyle.setFont(headerFont);
headerStyle.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
headerStyle.setFillPattern(CellStyle.SOLID_FOREGROUND);
// Set header style
for (int j = 0; j < columns.length; j++) {
Cell cell = sheet.getRow(0).getCell(j);
cell.setCellStyle(headerStyle);
if (cell.getCellComment() != null) {
String comment = cell.getCellComment().getString().toString();
if (comment.equals(QueryField.CTX_PRODUCT_ID)
|| comment.equals(QueryField.CTX_SERIAL_NUMBER)
|| comment.equals(QueryField.PART_MASTER_NUMBER)) {
for (int k = 0; k < queryResult.getRows().size(); k++) {
Cell grayCell =
sheet.getRow(k + 1).getCell(j) != null
? sheet.getRow(k + 1).getCell(j)
: sheet.getRow(k + 1).createCell(j);
grayCell.setCellStyle(headerStyle);
}
}
}
}
try {
// Write the workbook in file system
FileOutputStream out = new FileOutputStream(excelFile);
workbook.write(out);
out.close();
} catch (Exception e) {
LOGGER.log(Level.FINEST, null, e);
}
return excelFile;
}