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easyexcel is a excel handle tools written in Java
package com.alibaba.excel.write.handler;
import java.util.List;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import com.alibaba.excel.metadata.CellData;
import com.alibaba.excel.metadata.Head;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteTableHolder;
/**
* intercepts handle cell creation
*
* @author Jiaju Zhuang
*/
public interface CellWriteHandler extends WriteHandler {
/**
* Called before create the cell
*
* @param writeSheetHolder
* @param writeTableHolder
* Nullable.It is null without using table writes.
* @param row
* @param head
* Nullable.It is null in the case of fill data and without head.
* @param columnIndex
* @param relativeRowIndex
* Nullable.It is null in the case of fill data.
* @param isHead
* It will always be false when fill data.
*/
void beforeCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, Row row, Head head,
Integer columnIndex, Integer relativeRowIndex, Boolean isHead);
/**
* Called after the cell is created
*
* @param writeSheetHolder
* @param writeTableHolder
* Nullable.It is null without using table writes.
* @param cell
* @param head
* Nullable.It is null in the case of fill data and without head.
* @param relativeRowIndex
* Nullable.It is null in the case of fill data.
* @param isHead
* It will always be false when fill data.
*/
void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, Cell cell, Head head,
Integer relativeRowIndex, Boolean isHead);
/**
* Called after the cell data is converted
*
* @param writeSheetHolder
* @param writeTableHolder
* Nullable.It is null without using table writes.
* @param cell
* @param head
* Nullable.It is null in the case of fill data and without head.
* @param cellData
* Nullable.It is null in the case of add header.
* @param relativeRowIndex
* Nullable.It is null in the case of fill data.
* @param isHead
* It will always be false when fill data.
*/
void afterCellDataConverted(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, CellData cellData,
Cell cell, Head head, Integer relativeRowIndex, Boolean isHead);
/**
* Called after all operations on the cell have been completed
*
* @param writeSheetHolder
* @param writeTableHolder
* Nullable.It is null without using table writes.
* @param cell
* @param head
* Nullable.It is null in the case of fill data and without head.
* @param cellDataList
* Nullable.It is null in the case of add header.There may be several when fill the data.
* @param relativeRowIndex
* Nullable.It is null in the case of fill data.
* @param isHead
* It will always be false when fill data.
*/
void afterCellDispose(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder,
List cellDataList, Cell cell, Head head, Integer relativeRowIndex, Boolean isHead);
}