Interface ExcelAdapter<T,U extends org.apache.poi.ss.usermodel.Workbook>

All Known Implementing Classes:
DatasetExcelAdapter, RMExcelWriterXlsx

public interface ExcelAdapter<T,U extends org.apache.poi.ss.usermodel.Workbook>
An adapter interface that supports drawing Workbooks and Sheets based on the supplied objects.
  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Interface
    Description
    static enum 
    The known types that can be directly set via Apache POI for a cell.
  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    drawSheet(U workbook, String sheetName, T object, boolean headerRow, boolean nullsEmpty)
    Draws a Sheet for the specific ExcelAdapter
    default U
    drawWorkbook(boolean headerRow, boolean nullsEmpty, T[] object)
    Draws the supplied object(s) ExcelAdapter and returns ExcelAdapter
    drawWorkbook(boolean headerRow, boolean nullsEmpty, T[] object, String[] sheetNames)
    Draws the supplied object(s) ExcelAdapter and returns ExcelAdapter
  • Method Details

    • drawWorkbook

      default U drawWorkbook(boolean headerRow, boolean nullsEmpty, T[] object)
      Draws the supplied object(s) ExcelAdapter and returns ExcelAdapter
      Parameters:
      headerRow - if true, header rows are expected to be written, otherwise false. It is up to the implementation whether this is respected or not.
      nullsEmpty - if true, null values will not be written to cells in the excel document. It is up to the implementation whether this is respected or not.
      object - The object(s) that the Adapter is compatible with for writing.
      Returns:
      A Workbook of type U that can be closed or further manipulated.
    • drawWorkbook

      U drawWorkbook(boolean headerRow, boolean nullsEmpty, T[] object, @Nullable String[] sheetNames)
      Draws the supplied object(s) ExcelAdapter and returns ExcelAdapter
      Parameters:
      headerRow - if true, header rows are expected to be written, otherwise false. It is up to the implementation whether this is respected or not.
      nullsEmpty - if true, null values will not be written to cells in the excel document. It is up to the implementation whether this is respected or not.
      object - The object(s) that the Adapter is compatible with for writing.
      sheetNames - The names of the sheets to create. If null, will use a generic default.
      Returns:
      A Workbook of type U that can be closed or further manipulated.
    • drawSheet

      boolean drawSheet(U workbook, String sheetName, T object, boolean headerRow, boolean nullsEmpty)
      Draws a Sheet for the specific ExcelAdapter
      Parameters:
      workbook - the Workbook to add the new sheet to
      sheetName - the name of the sheet. This name should be checked via WorkbookUtil.createSafeSheetName(String)
      object - the object to write to the sheet
      headerRow - if true, header rows are expected to be written, otherwise false. It is up to the implementation whether this is respected or not.
      nullsEmpty - if true, null values will not be written to cells in the excel document. It is up to the implementation whether this is respected or not.
      Returns:
      true if the object was successfully written to the workbook as a new sheet, false if the object was not written successfully.