Package io.github.dornol.excelkit.excel

@NullMarked package io.github.dornol.excelkit.excel

Streaming Excel (.xlsx) export and SAX-based import via Apache POI SXSSFWorkbook. Includes single-type ExcelWriter, multi-sheet ExcelWorkbook, template-based writing, map-mode reading, conditional formatting, charts, data validation, and encryption.

Class	Description
AfterDataWriter	A functional interface for writing custom content after data rows.
BeforeHeaderWriter	A functional interface for writing custom content before the column header row.
CellColorFunction<T>	Function that determines the background color for an individual cell based on its value and row data.
ColumnConfig<T>	Concrete column styling configuration used by ExcelSheetWriter and TemplateListWriter for their .column(name, fn, cfg -> ...) overloads.
ColumnStyleConfig<T,SELF extends ColumnStyleConfig<T,SELF>>	Shared base for column styling configuration.
ColumnStyleConfig.DefaultStyleConfig<T>	Concrete subclass for defining default column styles at the writer level.
ExcelBorderStyle	Predefined border styles for Excel cells.
ExcelCellComment	Represents a cell comment (note) to be added to an Excel cell.
ExcelChartConfig	Builder for creating charts in an Excel sheet.
ExcelChartConfig.BarDirection	Bar chart direction.
ExcelChartConfig.BarGrouping	Bar chart grouping mode.
ExcelChartConfig.ChartType	Supported chart types.
ExcelChartConfig.LegendPosition	Legend position relative to the chart area.
ExcelColor	Represents an RGB color for Excel header backgrounds and cell styling.
ExcelColumn<T>	Represents a single Excel column and how its value is derived, styled, and rendered.
ExcelColumn.ExcelColumnBuilder<T>	Builder for constructing ExcelColumn instances using a fluent DSL-style API.
ExcelConditionalRule	Builder for conditional formatting rules to apply to Excel sheets.
ExcelConditionalRule.IconSetType	Supported icon set types for conditional formatting.
ExcelDataFormat	Predefined Excel-compatible data format strings used for number, date, time, and currency formatting.
ExcelDataType	Enum representing supported Excel cell data types.
ExcelHandler	Handles the final output stage of an Excel export.
ExcelHyperlink	Represents a hyperlink value for Excel cells.
ExcelImage	Represents image data to be embedded in an Excel cell.
ExcelKitConfig	Application-level configuration for excel-kit.
ExcelPrintSetup	Configures page layout settings for printing Excel sheets.
ExcelPrintSetup.Orientation	Page orientation for printing.
ExcelPrintSetup.PaperSize	Standard paper sizes for printing.
ExcelReader<T>	Builder-style class for configuring Excel row readers.
ExcelReadException	Exception thrown during Excel read operations.
ExcelReadHandler<T>	Reads Excel (.xlsx) files using Apache POI's event-based streaming API.
ExcelRichText	Fluent builder for creating rich text content with mixed formatting within a single Excel cell.
ExcelRichText.FontStyle	Style configuration for a rich text segment.
ExcelSheetInfo	Holds metadata about a sheet in an Excel file.
ExcelSheetWriter<T>	Writes data of a specific type to one or more sheets within an ExcelWorkbook.
ExcelSummary	Fluent DSL for adding summary (footer) rows with formulas such as SUM, AVERAGE, COUNT, MIN, MAX.
ExcelSummary.Op	Supported summary operations.
ExcelTemplateWriter	Fills data into an existing Excel template (.xlsx) while preserving formatting, images, charts, and merged regions.
ExcelValidation	Advanced data validation configuration for Excel columns.
ExcelValidation.ValidationType	Supported validation types.
ExcelWorkbook	Orchestrates multi-sheet Excel workbook creation where each sheet can have a different data type.
ExcelWorkbook.InitOptions	Initialization options for ExcelWorkbook.
ExcelWriteException	Exception thrown during Excel write operations.
ExcelWriter<T>	ExcelWriter is a utility class for generating large Excel files using Apache POI's SXSSFWorkbook.
ExcelWriter.InitOptions	Initialization options for ExcelWriter.
SheetContext	Provides contextual information passed to BeforeHeaderWriter and AfterDataWriter callbacks, including the current sheet, workbook, row position, and column metadata.
TemplateListWriter<T>	Writes tabular (list) data into an existing template sheet starting at a given row.
WriteRowCallback<T>	A functional interface for consuming row data during Excel export.