package com.github.mygreen.supercsv.cellprocessor.conversion; import java.util.Optional; import org.supercsv.cellprocessor.ift.CellProcessor; import org.supercsv.cellprocessor.ift.StringCellProcessor; import com.github.mygreen.supercsv.annotation.conversion.CsvDefaultValue; import com.github.mygreen.supercsv.builder.Configuration; import com.github.mygreen.supercsv.builder.FieldAccessor; import com.github.mygreen.supercsv.cellprocessor.ConversionProcessorFactory; import com.github.mygreen.supercsv.cellprocessor.format.TextFormatter; /** * アノテーション{@link CsvDefaultValue}ハンドリングして、{@link DefaultValue}を作成する。 * * @since 2.0 * @author T.TSUCHIE * */ public class DefaultValueFactory implements ConversionProcessorFactory<CsvDefaultValue> { @Override public Optional<CellProcessor> create(final CsvDefaultValue anno, final Optional<CellProcessor> next, final FieldAccessor field, final TextFormatter<?> formatter, final Configuration config) { final DefaultValue processor = next.map(n -> new DefaultValue(anno.value(), (StringCellProcessor) n)) .orElseGet(() -> new DefaultValue(anno.value())); return Optional.of(processor); } }