GerardDellemann commented on a change in pull request #234: MM-82 Detect Column
Types
URL: https://github.com/apache/metamodel/pull/234#discussion_r354288897
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File path: excel/src/main/java/org/apache/metamodel/excel/ExcelUtils.java
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@@ -237,13 +292,34 @@ public static String getCellValue(Workbook wb, Cell
cell) {
return result;
}
+ public static Object getCellValueChecked(final Workbook wb, final Cell
cell, final ColumnType expectedColumnType) {
+ final Object value = getCellValueAsObject(wb, cell);
+ if (value == null ||
value.getClass().equals(expectedColumnType.getJavaEquivalentClass())) {
+ return value;
+ }
+
+ if (!(value.getClass().equals(Integer.class) && expectedColumnType
+ .getJavaEquivalentClass()
+ .equals(Double.class)) && logger.isWarnEnabled()) {
+ // Don't log when a Integer value is in a Double column type
+ final String cellCoordinate = "(" + cell.getRowIndex() + "," +
cell.getColumnIndex() + ")";
+ final String warning = String
+ .format("Cell %s has the value '%s' of data type '%s',
which doesn't match the detected column's "
+ + "data type '%s'. This cell gets value NULL in
the DataSet.", cellCoordinate, value, value
+ .getClass()
+ .getSimpleName(), expectedColumnType);
+ logger.warn(warning);
+ }
+ return null;
+ }
+
private static String getFormulaCellValue(Workbook wb, Cell cell) {
// first try with a cached/precalculated value
try {
double numericCellValue = cell.getNumericCellValue();
// TODO: Consider not formatting it, but simple using
Review comment:
done
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