content: package com.alibaba.excel.converters.doubleconverter;
  
  import com.alibaba.excel.converters.Converter;
  import com.alibaba.excel.enums.CellDataTypeEnum;
  import com.alibaba.excel.metadata.GlobalConfiguration;
  import com.alibaba.excel.metadata.data.ReadCellData;
  import com.alibaba.excel.metadata.data.WriteCellData;
  import com.alibaba.excel.metadata.property.ExcelContentProperty;
  
  /**
   * Double and boolean converter
   *
   * @author Jiaju Zhuang
   */
  public class DoubleBooleanConverter implements Converter<Double> {
      private static final Double ONE = 1.0;
      private static final Double ZERO = 0.0;
  
      @Override
      public Class<?> supportJavaTypeKey() {
          return Double.class;
      }
  
      @Override
      public CellDataTypeEnum supportExcelTypeKey() {
          return CellDataTypeEnum.BOOLEAN;
      }
  
      @Override
      public Double convertToJavaData(ReadCellData<?> cellData, ExcelContentProperty contentProperty,
          GlobalConfiguration globalConfiguration) {
          if (cellData.getBooleanValue()) {
              return ONE;
          }
          return ZERO;
      }
  
      @Override
      public WriteCellData<?> convertToExcelData(Double value, ExcelContentProperty contentProperty,
          GlobalConfiguration globalConfiguration) {
          if (ONE.equals(value)) {
              return new WriteCellData<>(Boolean.TRUE);
          }
          return new WriteCellData<>(Boolean.FALSE);
      }
  
  }
  