ByteCellConverterFactory.java
package com.gh.mygreen.xlsmapper.cellconverter.impl;
import java.math.BigDecimal;
import java.math.RoundingMode;
import com.gh.mygreen.xlsmapper.Configuration;
import com.gh.mygreen.xlsmapper.cellconverter.CellConverter;
import com.gh.mygreen.xlsmapper.fieldaccessor.FieldAccessor;
/**
* {@link Byte}型を処理する{@link CellConverter}を作成するクラス。
*
* @since 2.0
* @author T.TSUCHIE
*
*/
public class ByteCellConverterFactory extends AbstractNumberCellConverterFactory<Byte> {
@Override
public ByteCellConverter create(final FieldAccessor field, final Configuration config) {
final ByteCellConverter cellConverter = new ByteCellConverter(field, config, this);
setupCellConverter(cellConverter, field, config);
return cellConverter;
}
@Override
protected Byte convertTypeValue(final BigDecimal value) throws NumberFormatException, ArithmeticException {
// 少数以下を四捨五入
BigDecimal decimal = value.setScale(0, RoundingMode.HALF_UP);
return decimal.byteValueExact();
}
public class ByteCellConverter extends AbstractNumberCellConverter<Byte> {
private final ByteCellConverterFactory convererFactory;
private ByteCellConverter(final FieldAccessor field, final Configuration config,
final ByteCellConverterFactory convererFactory) {
super(field, config);
this.convererFactory = convererFactory;
}
@Override
protected Byte convertTypeValue(final BigDecimal value) {
return convererFactory.convertTypeValue(value);
}
}
}