Search in sources :

Example 1 with WriteConverterContext

use of com.alibaba.excel.converters.WriteConverterContext in project easyexcel by alibaba.

the class AbstractExcelWriteExecutor method doConvert.

private WriteCellData<?> doConvert(CellWriteHandlerContext cellWriteHandlerContext) {
    ExcelContentProperty excelContentProperty = cellWriteHandlerContext.getExcelContentProperty();
    Converter<?> converter = null;
    if (excelContentProperty != null) {
        converter = excelContentProperty.getConverter();
    }
    if (converter == null) {
        // csv is converted to string by default
        if (writeContext.writeWorkbookHolder().getExcelType() == ExcelTypeEnum.CSV) {
            cellWriteHandlerContext.setTargetCellDataType(CellDataTypeEnum.STRING);
        }
        converter = writeContext.currentWriteHolder().converterMap().get(ConverterKeyBuild.buildKey(cellWriteHandlerContext.getOriginalFieldClass(), cellWriteHandlerContext.getTargetCellDataType()));
    }
    if (cellWriteHandlerContext.getOriginalValue() == null && !(converter instanceof NullableObjectConverter)) {
        return new WriteCellData<>(CellDataTypeEnum.EMPTY);
    }
    if (converter == null) {
        throw new ExcelWriteDataConvertException(cellWriteHandlerContext, "Can not find 'Converter' support class " + cellWriteHandlerContext.getOriginalFieldClass().getSimpleName() + ".");
    }
    WriteCellData<?> cellData;
    try {
        cellData = ((Converter<Object>) converter).convertToExcelData(new WriteConverterContext<>(cellWriteHandlerContext.getOriginalValue(), excelContentProperty, writeContext));
    } catch (Exception e) {
        throw new ExcelWriteDataConvertException(cellWriteHandlerContext, "Convert data:" + cellWriteHandlerContext.getOriginalValue() + " error, at row:" + cellWriteHandlerContext.getRowIndex(), e);
    }
    if (cellData == null || cellData.getType() == null) {
        throw new ExcelWriteDataConvertException(cellWriteHandlerContext, "Convert data:" + cellWriteHandlerContext.getOriginalValue() + " return is null or return type is null, at row:" + cellWriteHandlerContext.getRowIndex());
    }
    return cellData;
}
Also used : ExcelWriteDataConvertException(com.alibaba.excel.exception.ExcelWriteDataConvertException) WriteCellData(com.alibaba.excel.metadata.data.WriteCellData) WriteConverterContext(com.alibaba.excel.converters.WriteConverterContext) ExcelContentProperty(com.alibaba.excel.metadata.property.ExcelContentProperty) NullableObjectConverter(com.alibaba.excel.converters.NullableObjectConverter) ExcelWriteDataConvertException(com.alibaba.excel.exception.ExcelWriteDataConvertException)

Example 2 with WriteConverterContext

use of com.alibaba.excel.converters.WriteConverterContext in project easyexcel by alibaba.

the class ConverterTest method t01FloatNumberConverter.

@Test
public void t01FloatNumberConverter() {
    FloatNumberConverter floatNumberConverter = new FloatNumberConverter();
    WriteConverterContext<Float> context = new WriteConverterContext<>();
    context.setValue(95.62F);
    WriteCellData<?> writeCellData = floatNumberConverter.convertToExcelData(context);
    Assert.assertEquals(0, writeCellData.getNumberValue().compareTo(new BigDecimal("95.62")));
}
Also used : WriteConverterContext(com.alibaba.excel.converters.WriteConverterContext) FloatNumberConverter(com.alibaba.excel.converters.floatconverter.FloatNumberConverter) BigDecimal(java.math.BigDecimal) Test(org.junit.Test)

Aggregations

WriteConverterContext (com.alibaba.excel.converters.WriteConverterContext)2 NullableObjectConverter (com.alibaba.excel.converters.NullableObjectConverter)1 FloatNumberConverter (com.alibaba.excel.converters.floatconverter.FloatNumberConverter)1 ExcelWriteDataConvertException (com.alibaba.excel.exception.ExcelWriteDataConvertException)1 WriteCellData (com.alibaba.excel.metadata.data.WriteCellData)1 ExcelContentProperty (com.alibaba.excel.metadata.property.ExcelContentProperty)1 BigDecimal (java.math.BigDecimal)1 Test (org.junit.Test)1