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.CsvTruncate; 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; import com.github.mygreen.supercsv.exception.SuperCsvInvalidAnnotationException; import com.github.mygreen.supercsv.localization.MessageBuilder; /** * {@link CsvTruncate}をハンドリングして、{@link Truncate}を作成する。 * * @since 2.0 * @author T.TSUCHIE * */ public class TruncateFactory implements ConversionProcessorFactory<CsvTruncate> { @Override public Optional<CellProcessor> create(final CsvTruncate anno, final Optional<CellProcessor> next, final FieldAccessor field, final TextFormatter<?> formatter, final Configuration config) { if(anno.maxSize() <= 0) { throw new SuperCsvInvalidAnnotationException(anno, MessageBuilder.create("anno.attr.min") .var("property", field.getNameWithClass()) .varWithAnno("anno", anno.annotationType()) .var("attrName", "maxSize") .var("attrValue", anno.maxSize()) .var("min", 1) .format()); } final Truncate processor = next.map(n -> new Truncate(anno.maxSize(), anno.suffix(), (StringCellProcessor)n)) .orElseGet(() -> new Truncate(anno.maxSize(), anno.suffix())); return Optional.of(processor); } }