Added a method that returns the indexes of a cell passing the cell name as input

Author: MBenincasa

src/main/java/io/github/mbenincasa/javaexcelutils/tools/ExcelUtility.java

@@ -46,4 +46,17 @@ public static String getCellName(int row, int col) {
         String colName = CellReference.convertNumToColString(col);
         return colName + (row + 1);
     }
+
+    /**
+     * Return an array containing column and row indexes
+     * @param cellName cell name
+     * @return an array containing column and row indexes
+     * @since 0.4.2
+     */
+    public static int[] getCellIndexes(String cellName) {
+        CellReference cellRef = new CellReference(cellName);
+        int row = cellRef.getRow();
+        int col = cellRef.getCol();
+        return new int[]{row, col};
+    }
 }

src/test/java/io/github/mbenincasa/javaexcelutils/tools/ExcelUtilityTest.java

@@ -32,4 +32,12 @@ void getCellName() {
         String cellName = ExcelUtility.getCellName(row, col);
         Assertions.assertEquals("A1", cellName);
     }
+
+    @Test
+    void getCellIndexes() {
+        int[] indexes = ExcelUtility.getCellIndexes("A2");
+        Assertions.assertEquals(2, indexes.length);
+        Assertions.assertEquals(1, indexes[0]);
+        Assertions.assertEquals(0, indexes[1]);
+    }
 }