Module jp.ecuacion.util.poi

Package jp.ecuacion.util.poi.excel.table.reader

Interface IfExcelTableReader<T>

Type Parameters:

T - See IfExcelTable.

All Superinterfaces:

IfExcelTable<T>

All Known Subinterfaces:

IfDataTypeCellExcelTableReader, IfDataTypeStringExcelTableReader, IfFormatFreeExcelTableReader<T>, IfFormatOneLineHeaderExcelTableReader<T>

All Known Implementing Classes:

CellFreeExcelTableReader, CellOneLineHeaderExcelTableReader, ExcelTableReader, StringExcelTableReader, StringFreeExcelTableReader, StringOneLineHeaderExcelTableReader, StringOneLineHeaderExcelTableToBeanReader

public interface IfExcelTableReader<T>
extends IfExcelTable<T>

Provides the excel table reader methods.

Method Summary

Modifier and Type	Method	Description
T	getCellData(org.apache.poi.ss.usermodel.Cell cell, int columnNumber)	Returns the obtained value from the cell.
ExcelReadUtil	getExcelReadUtil()	Returns an instance of ExcelReadUtil.
boolean	isCellDataEmpty(T cellData)	Returns whether the value of the cell is empty.
List<List<String>>	updateAndGetHeaderData(List<List<T>> tableData)	Updates excel data to treat it easily, like remove its header line, and returns the header list.

Methods inherited from interface jp.ecuacion.util.poi.excel.table.IfExcelTable

getFarLeftAndTopHeaderLabel, getHeaderLabelData, getNumberOfHeaderLines, getSheetName, getStringValue, validateHeaderData

Method Details

getExcelReadUtil

ExcelReadUtil getExcelReadUtil()

Returns an instance of ExcelReadUtil.

Returns:

ExcelReadUtil instance

updateAndGetHeaderData

@Nullable
List<List<String>> updateAndGetHeaderData(@Nonnull
 List<List<T>> tableData)

Updates excel data to treat it easily, like remove its header line, and returns the header list.

Considering various patterns of headers, return type ls List<List<String>>.

Parameters:

tableData - table data

Returns:

header data

getCellData

@Nullable
T getCellData(@RequireNonnull
 org.apache.poi.ss.usermodel.Cell cell,
 int columnNumber)

Returns the obtained value from the cell.

If you want to get String value from the cell, it returns the String value.

Parameters:

cell - cell, may be null.

columnNumber - the column number data is obtained from, starting with 1 and column A is equal to columnNumber 1. When the far left column of a table is 2 and you want to speciries the far left column, the columnNumber is 2.

Returns:

the obtained value from the cell

isCellDataEmpty

boolean isCellDataEmpty(@Nullable
 T cellData)

Returns whether the value of the cell is empty.

Parameters:

cellData - cellData

Returns:

whether the valule of the cell is empty.