access xlsx cell values explictly with col index instead of iterator …

…that skips empty cells
PhenoApps · Sep 4, 2024 · e9a545b · e9a545b
1 parent 3d36017
commit e9a545b
Showing 1 changed file with 25 additions and 22 deletions.
diff --git a/app/src/main/java/com/fieldbook/tracker/objects/FieldFileObject.java b/app/src/main/java/com/fieldbook/tracker/objects/FieldFileObject.java
@@ -460,37 +460,40 @@ public void open() {
         public String[] readNext() {
 
             DataFormatter fmt = new DataFormatter();
-            ArrayList<XSSFRow> rows = new ArrayList<>();
             XSSFSheet sheet = wb.getSheetAt(0);
-
             XSSFFormulaEvaluator evaluator = wb.getCreationHelper().createFormulaEvaluator();
 
-            for (Iterator<Row> it = sheet.rowIterator(); it.hasNext();) {
-                rows.add((XSSFRow) it.next());
-            }
-
-            if (currentRow >= rows.size()) {
+            if (currentRow >= sheet.getPhysicalNumberOfRows()) {
                 return null;
             }
 
+            XSSFRow row = sheet.getRow(currentRow);
             ArrayList<String> data = new ArrayList<>();
-            for (Iterator<Cell> it = rows.get(currentRow).cellIterator(); it.hasNext();) {
-                XSSFCell cell = (XSSFCell) it.next();
-                if (cell.getCellType() == Cell.CELL_TYPE_FORMULA) {//formula
-                    int type = evaluator.evaluateFormulaCell(cell);
-                    switch (type) {
-                        case CELL_TYPE_BOOLEAN:
-                            data.add(String.valueOf(cell.getBooleanCellValue()));
-                            break;
-                        case CELL_TYPE_NUMERIC:
-                            data.add(String.valueOf(cell.getNumericCellValue()));
-                            break;
-                        default:
-                            data.add(cell.getStringCellValue());
-                            break;
+
+            int maxColumns = sheet.getRow(0).getLastCellNum(); // Get total number of columns from header
+
+            for (int colIdx = 0; colIdx < maxColumns; colIdx++) {
+                XSSFCell cell = (row == null) ? null : row.getCell(colIdx);
+
+                if (cell != null) {
+                    if (cell.getCellType() == Cell.CELL_TYPE_FORMULA) {//formula
+                        int type = evaluator.evaluateFormulaCell(cell);
+                        switch (type) {
+                            case CELL_TYPE_BOOLEAN:
+                                data.add(String.valueOf(cell.getBooleanCellValue()));
+                                break;
+                            case CELL_TYPE_NUMERIC:
+                                data.add(String.valueOf(cell.getNumericCellValue()));
+                                break;
+                            default:
+                                data.add(cell.getStringCellValue());
+                                break;
+                        }
+                    } else {
+                        data.add(fmt.formatCellValue(cell));
                     }
                 } else {
-                    data.add(fmt.formatCellValue(cell));
+                    data.add(""); // Add empty string for missing/empty cells
                 }
             }