public static Object getCellValue(Cell cell) { Object value = new Object(); // Prevent a NullPointerException if (cell != null) { if (cell.getHyperlink() != null) { Workbook workbook = new XSSFWorkbook(); FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator(); Hyperlink link = cell.getHyperlink(); String address = link.getAddress(); if (logger.isTraceEnabled()) { logger.trace( "Found a Hyperlink to " + cell.getHyperlink().getAddress() + " in cell " + cell.getRowIndex() + "," + cell.getColumnIndex()); } cell = evaluator.evaluateInCell(cell); } // Depending on the cell type, the value is read using Apache POI methods switch (cell.getCellType()) { // String are easy to handle case Cell.CELL_TYPE_STRING: logger.trace("Found string " + cell.getStringCellValue()); value = cell.getStringCellValue(); break; // Since date formatted cells are also of the numeric type, this needs to be processed case Cell.CELL_TYPE_NUMERIC: if (DateUtil.isCellDateFormatted(cell)) { Date date = cell.getDateCellValue(); DateFormat df = SimpleDateFormat.getDateInstance(); logger.trace("Found date " + df.format(date)); value = date; } else { logger.trace("Found general number " + cell.getNumericCellValue()); value = cell.getNumericCellValue(); } break; } } else { logger.trace("Found cell with NULL value"); } return value; }
static String getPaperId(Cell paper_id) throws SQLException { System.out.println(":" + paper_id); if (paper_id != null) return paper_id .getHyperlink() .getAddress() .replace(".pdf", "") .replace(".doc", "") .replace(".PDF", ""); return null; }