There is a ready-to-use wrapper (some additional optimizations can be applied)
it supports numeric and String cells
formulas are recognized and handled automatically
avoid some boilerplate
public final class Cell {
private final static DataFormatter FORMATTER = new DataFormatter();
private XSSFCell mCell;
public Cell(@NotNull XSSFCell cell) {
mCell = cell;
if (isFormula()) {
XSSFWorkbook book = mCell.getSheet().getWorkbook();
FormulaEvaluator evaluator = book.getCreationHelper().createFormulaEvaluator();
mCell = (XSSFCell) evaluator.evaluateInCell(mCell);
}
}
/**
* Get content
*/
public final int getInt() {
return (int) getLong();
}
public final long getLong() {
return Math.round(getDouble());
}
public final double getDouble() {
return mCell.getNumericCellValue();
}
public final String getString() {
if (!isString()) {
return FORMATTER.formatCellValue(mCell);
}
return mCell.getStringCellValue();
}
/**
* Get properties
*/
public final boolean isNumber() {
if (isFormula()) {
return mCell.getCachedFormulaResultType().equals(CellType.NUMERIC);
}
return mCell.getCellType().equals(CellType.NUMERIC);
}
public final boolean isString() {
if (isFormula()) {
return mCell.getCachedFormulaResultType().equals(CellType.STRING);
}
return mCell.getCellType().equals(CellType.STRING);
}
public final boolean isFormula() {
return mCell.getCellType().equals(CellType.FORMULA);
}
/**
* Debug info
*/
@Override
public String toString() {
return getString();
}
}