fix rawdata parsing for formula cells

src/main/java/com/poiji/bind/mapping/HSSFUnmarshaller.java

@@ -271,7 +271,7 @@ private <T> void constructTypeValue(Row currentRow, T instance, Field field,
                 cell.setCellStyle(null);
             }
             String value;
-            if (options.isRawData() && cell.getCellType() == CellType.NUMERIC) {
+            if (options.isRawData() && isCellNumeric(cell)) {
                 value = NumberToTextConverter.toText(cell.getNumericCellValue());
             } else {
                 value = dataFormatter.formatCellValue(cell, baseFormulaEvaluator);
@@ -285,6 +285,12 @@ private <T> void constructTypeValue(Row currentRow, T instance, Field field,
         }
     }
 
+    private boolean isCellNumeric(Cell cell) {
+        return (cell.getCellType() == CellType.NUMERIC ||
+            (cell.getCellType() == CellType.FORMULA &&
+                cell.getCachedFormulaResultType() == CellType.NUMERIC));
+    }
+
     private <T> void setFieldData(T instance, Field field, Object data) {
         try {
             field.setAccessible(true);

src/test/java/com/poiji/deserialize/RawValueFormulaTest.java

@@ -0,0 +1,46 @@
+package com.poiji.deserialize;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+import com.poiji.bind.Poiji;
+import com.poiji.deserialize.model.RowModelFormula;
+import com.poiji.option.PoijiOptions;
+import java.io.File;
+import java.util.Arrays;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+/**
+ * Created by jmorgan on 12.09.2023
+ */
+@RunWith(Parameterized.class)
+public class RawValueFormulaTest {
+
+    private String path;
+
+    public RawValueFormulaTest(String path) {
+        this.path = path;
+    }
+
+    @Parameterized.Parameters(name = "{index}: ({0})={1}")
+    public static Iterable<Object[]> queries() {
+        return Arrays.asList(new Object[][]{
+                {"src/test/resources/raw_value_formula.xls"},
+                {"src/test/resources/raw_value_formula.xlsx"},
+        });
+    }
+
+    @Test
+    public void shouldMapCalculations() {
+        PoijiOptions options = PoijiOptions.PoijiOptionsBuilder.settings().headerCount(0).rawData(true).build();
+        List<RowModelFormula> models = Poiji.fromExcel(new File(path), RowModelFormula.class, options);
+
+        for (RowModelFormula model : models) {
+            assertThat(model.getCurrencyValue(), is(123.45D));
+            assertThat(model.getFormulaValue(), is(246.90D));
+        }
+    }
+}

src/test/java/com/poiji/deserialize/model/RowModelFormula.java

@@ -0,0 +1,31 @@
+package com.poiji.deserialize.model;
+
+import com.poiji.annotation.ExcelCell;
+
+/**
+ * Created by jmorgan on 12.09.2023
+ */
+public class RowModelFormula {
+
+    @ExcelCell(0)
+    private double currencyValue;
+
+    @ExcelCell(1)
+    private double formulaValue;
+
+    public double getCurrencyValue() {
+        return currencyValue;
+    }
+
+    public void setCurrencyValue(double currencyValue) {
+        this.currencyValue = currencyValue;
+    }
+
+    public double getFormulaValue() {
+        return formulaValue;
+    }
+
+    public void setFormulaValue(double formulaValue) {
+        this.formulaValue = formulaValue;
+    }
+}