ArrayCellConverterFactory.java
package com.gh.mygreen.xlsmapper.cellconverter.impl;
import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import org.apache.poi.ss.usermodel.Cell;
import com.gh.mygreen.xlsmapper.Configuration;
import com.gh.mygreen.xlsmapper.cellconverter.BaseCellConverter;
import com.gh.mygreen.xlsmapper.cellconverter.CellConverter;
import com.gh.mygreen.xlsmapper.cellconverter.CellConverterFactory;
import com.gh.mygreen.xlsmapper.cellconverter.CellConverterFactorySupport;
import com.gh.mygreen.xlsmapper.cellconverter.TypeBindException;
import com.gh.mygreen.xlsmapper.fieldaccessor.FieldAccessor;
import com.gh.mygreen.xlsmapper.textformatter.TextFormatter;
import com.gh.mygreen.xlsmapper.textformatter.TextParseException;
/**
* 配列型を処理する{@link CellConverter}を作成するためのファクトリクラス。
*
* @since 2.0
* @author T.TSUCHIE
*
*/
public class ArrayCellConverterFactory extends CellConverterFactorySupport<Object[]>
implements CellConverterFactory<Object[]>{
private ListCellConverterFactory listCellConverterFactory = new ListCellConverterFactory();
@Override
public ArrayCellConverter create(final FieldAccessor field, final Configuration config) {
final ArrayCellConverter cellConverter = new ArrayCellConverter(field, config);
setupCellConverter(cellConverter, field, config);
return cellConverter;
}
@Override
protected void setupCustom(final BaseCellConverter<Object[]> cellConverter, final FieldAccessor field,
final Configuration config) {
// 何もしない
}
@SuppressWarnings("rawtypes")
@Override
protected TextFormatter<Object[]> createTextFormatter(final FieldAccessor field, final Configuration config) {
TextFormatter<List> listFormatter = listCellConverterFactory.createTextFormatter(field, config);
return new TextFormatter<Object[]>() {
@SuppressWarnings("unchecked")
@Override
public Object[] parse(String text) throws TextParseException {
List list = listFormatter.parse(text);
return list.toArray((Object[])Array.newInstance(field.getComponentType(), list.size()));
}
@Override
public String format(Object[] value) {
return listFormatter.format(Arrays.asList(value));
}
};
}
public class ArrayCellConverter extends BaseCellConverter<Object[]> {
private ArrayCellConverter(final FieldAccessor field, final Configuration config) {
super(field, config);
}
@Override
protected Object[] parseCell(final Cell evaluatedCell, final String formattedValue) throws TypeBindException {
try {
return this.textFormatter.parse(formattedValue);
} catch(TextParseException e) {
throw newTypeBindExceptionOnParse(e, evaluatedCell, formattedValue);
}
}
@Override
protected void setupCell(final Cell cell, final Optional<Object[]> cellValue) throws TypeBindException {
if(cellValue.isPresent()) {
cell.setCellValue(textFormatter.format(cellValue.get()));
} else {
cell.setBlank();
}
}
}
}