Interface Workbook
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- All Superinterfaces:
- java.lang.AutoCloseable, java.io.Closeable
- All Known Implementing Classes:
- HSSFWorkbook, SXSSFWorkbook, XSSFWorkbook
public interface Workbook extends java.io.CloseableHigh level representation of a Excel workbook. This is the first object most users will construct whether they are reading or writing a workbook. It is also the top level object for creating new sheets/etc.
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Field Summary
Fields Modifier and Type Field and Description static intPICTURE_TYPE_DIBDevice independent bitmapstatic intPICTURE_TYPE_EMFExtended windows meta filestatic intPICTURE_TYPE_JPEGJPEG formatstatic intPICTURE_TYPE_PICTMac PICT formatstatic intPICTURE_TYPE_PNGPNG formatstatic intPICTURE_TYPE_WMFWindows Meta Filestatic intSHEET_STATE_HIDDENIndicates the book window is hidden, but can be shown by the user via the user interface.static intSHEET_STATE_VERY_HIDDENIndicates the sheet is hidden and cannot be shown in the user interface (UI).static intSHEET_STATE_VISIBLEIndicates the sheet is visible.
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Method Summary
All Methods Instance Methods Abstract Methods Deprecated Methods Modifier and Type Method and Description intaddPicture(byte[] pictureData, int format)Adds a picture to the workbook.voidaddToolPack(UDFFinder toopack)Register a new toolpack in this workbook.SheetcloneSheet(int sheetNum)Create an Sheet from an existing sheet in the Workbook.voidclose()Close the underlying input resource (File or Stream), from which the Workbook was read.CellStylecreateCellStyle()Create a new Cell style and add it to the workbook's style tableDataFormatcreateDataFormat()Returns the instance of DataFormat for this workbook.FontcreateFont()Create a new Font and add it to the workbook's font tableNamecreateName()Creates a new (uninitialised) defined name in this workbookSheetcreateSheet()Sreate an Sheet for this Workbook, adds it to the sheets and returns the high level representation.SheetcreateSheet(java.lang.String sheetname)Create a new sheet for this Workbook and return the high level representation.FontfindFont(short boldWeight, short color, short fontHeight, java.lang.String name, boolean italic, boolean strikeout, short typeOffset, byte underline)Finds a font that matches the one with the supplied attributesintgetActiveSheetIndex()Convenience method to get the active sheet.java.util.List<? extends PictureData>getAllPictures()Gets all pictures from the Workbook.CellStylegetCellStyleAt(short idx)Get the cell style object at the given indexCreationHelpergetCreationHelper()Returns an object that handles instantiating concrete classes of the various instances one needs for HSSF and XSSF.intgetFirstVisibleTab()Gets the first tab that is displayed in the list of tabs in excel.FontgetFontAt(short idx)Get the font at the given index numberbooleangetForceFormulaRecalculation()Whether Excel will be asked to recalculate all formulas when the workbook is opened.Row.MissingCellPolicygetMissingCellPolicy()Retrieves the current policy on what to do when getting missing or blank cells from a row.NamegetName(java.lang.String name)NamegetNameAt(int nameIndex)intgetNameIndex(java.lang.String name)Gets the defined name index by name
Note: Excel defined names are case-insensitive and this method performs a case-insensitive search.shortgetNumberOfFonts()Get the number of fonts in the font tableintgetNumberOfNames()intgetNumberOfSheets()Get the number of spreadsheets in the workbookshortgetNumCellStyles()Get the number of styles the workbook containsjava.lang.StringgetPrintArea(int sheetIndex)Retrieves the reference for the printarea of the specified sheet, the sheet name is appended to the reference even if it was not specified.SheetgetSheet(java.lang.String name)Get sheet with the given nameSheetgetSheetAt(int index)Get the Sheet object at the given index.intgetSheetIndex(Sheet sheet)Returns the index of the given sheetintgetSheetIndex(java.lang.String name)Returns the index of the sheet by his namejava.lang.StringgetSheetName(int sheet)Get the sheet namebooleanisHidden()booleanisSheetHidden(int sheetIx)Check whether a sheet is hidden.booleanisSheetVeryHidden(int sheetIx)Check whether a sheet is very hidden.intlinkExternalWorkbook(java.lang.String name, Workbook workbook)Adds the linking required to allow formulas referencing the specified external workbook to be added to this one.voidremoveName(int index)Remove the defined name at the specified indexvoidremoveName(java.lang.String name)Remove a defined name by namevoidremovePrintArea(int sheetIndex)Delete the printarea for the sheet specifiedvoidremoveSheetAt(int index)Removes sheet at the given indexvoidsetActiveSheet(int sheetIndex)Convenience method to set the active sheet.voidsetFirstVisibleTab(int sheetIndex)Sets the first tab that is displayed in the list of tabs in excel.voidsetForceFormulaRecalculation(boolean value)Whether the application shall perform a full recalculation when the workbook is opened.voidsetHidden(boolean hiddenFlag)voidsetMissingCellPolicy(Row.MissingCellPolicy missingCellPolicy)Sets the policy on what to do when getting missing or blank cells from a row.voidsetPrintArea(int sheetIndex, int startColumn, int endColumn, int startRow, int endRow)For the Convenience of Java Programmers maintaining pointers.voidsetPrintArea(int sheetIndex, java.lang.String reference)Sets the printarea for the sheet providedvoidsetRepeatingRowsAndColumns(int sheetIndex, int startColumn, int endColumn, int startRow, int endRow)voidsetSelectedTab(int index)Sets the tab whose data is actually seen when the sheet is opened.voidsetSheetHidden(int sheetIx, boolean hidden)Hide or unhide a sheetvoidsetSheetHidden(int sheetIx, int hidden)Hide or unhide a sheet.voidsetSheetName(int sheet, java.lang.String name)Set the sheet name.voidsetSheetOrder(java.lang.String sheetname, int pos)Sets the order of appearance for a given sheet.voidwrite(java.io.OutputStream stream)Write out this workbook to an Outputstream.
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Field Detail
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PICTURE_TYPE_EMF
static final int PICTURE_TYPE_EMF
Extended windows meta file- See Also:
- Constant Field Values
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PICTURE_TYPE_WMF
static final int PICTURE_TYPE_WMF
Windows Meta File- See Also:
- Constant Field Values
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PICTURE_TYPE_PICT
static final int PICTURE_TYPE_PICT
Mac PICT format- See Also:
- Constant Field Values
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PICTURE_TYPE_JPEG
static final int PICTURE_TYPE_JPEG
JPEG format- See Also:
- Constant Field Values
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PICTURE_TYPE_PNG
static final int PICTURE_TYPE_PNG
PNG format- See Also:
- Constant Field Values
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PICTURE_TYPE_DIB
static final int PICTURE_TYPE_DIB
Device independent bitmap- See Also:
- Constant Field Values
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SHEET_STATE_VISIBLE
static final int SHEET_STATE_VISIBLE
Indicates the sheet is visible.- See Also:
setSheetHidden(int, int), Constant Field Values
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SHEET_STATE_HIDDEN
static final int SHEET_STATE_HIDDEN
Indicates the book window is hidden, but can be shown by the user via the user interface.- See Also:
setSheetHidden(int, int), Constant Field Values
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SHEET_STATE_VERY_HIDDEN
static final int SHEET_STATE_VERY_HIDDEN
Indicates the sheet is hidden and cannot be shown in the user interface (UI).In Excel this state is only available programmatically in VBA:
ThisWorkbook.Sheets("MySheetName").Visible = xlSheetVeryHidden- See Also:
setSheetHidden(int, int), Constant Field Values
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Method Detail
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getActiveSheetIndex
int getActiveSheetIndex()
Convenience method to get the active sheet. The active sheet is is the sheet which is currently displayed when the workbook is viewed in Excel. 'Selected' sheet(s) is a distinct concept.- Returns:
- the index of the active sheet (0-based)
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setActiveSheet
void setActiveSheet(int sheetIndex)
Convenience method to set the active sheet. The active sheet is is the sheet which is currently displayed when the workbook is viewed in Excel. 'Selected' sheet(s) is a distinct concept.- Parameters:
sheetIndex- index of the active sheet (0-based)
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getFirstVisibleTab
int getFirstVisibleTab()
Gets the first tab that is displayed in the list of tabs in excel.- Returns:
- the first tab that to display in the list of tabs (0-based).
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setFirstVisibleTab
void setFirstVisibleTab(int sheetIndex)
Sets the first tab that is displayed in the list of tabs in excel.- Parameters:
sheetIndex- the first tab that to display in the list of tabs (0-based)
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setSheetOrder
void setSheetOrder(java.lang.String sheetname, int pos)Sets the order of appearance for a given sheet.- Parameters:
sheetname- the name of the sheet to reorderpos- the position that we want to insert the sheet into (0 based)
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setSelectedTab
void setSelectedTab(int index)
Sets the tab whose data is actually seen when the sheet is opened. This may be different from the "selected sheet" since excel seems to allow you to show the data of one sheet when another is seen "selected" in the tabs (at the bottom).- Parameters:
index- the index of the sheet to select (0 based)- See Also:
Sheet.setSelected(boolean)
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setSheetName
void setSheetName(int sheet, java.lang.String name)Set the sheet name.See
WorkbookUtil.createSafeSheetName(String nameProposal)for a safe way to create valid names- Parameters:
sheet- number (0 based)- Throws:
java.lang.IllegalArgumentException- if the name is null or invalid or workbook already contains a sheet with this name- See Also:
createSheet(String),WorkbookUtil.createSafeSheetName(String nameProposal)
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getSheetName
java.lang.String getSheetName(int sheet)
Get the sheet name- Parameters:
sheet- sheet number (0 based)- Returns:
- Sheet name
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getSheetIndex
int getSheetIndex(java.lang.String name)
Returns the index of the sheet by his name- Parameters:
name- the sheet name- Returns:
- index of the sheet (0 based)
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getSheetIndex
int getSheetIndex(Sheet sheet)
Returns the index of the given sheet- Parameters:
sheet- the sheet to look up- Returns:
- index of the sheet (0 based)
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createSheet
Sheet createSheet()
Sreate an Sheet for this Workbook, adds it to the sheets and returns the high level representation. Use this to create new sheets.- Returns:
- Sheet representing the new sheet.
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createSheet
Sheet createSheet(java.lang.String sheetname)
Create a new sheet for this Workbook and return the high level representation. Use this to create new sheets.Note that Excel allows sheet names up to 31 chars in length but other applications (such as OpenOffice) allow more. Some versions of Excel crash with names longer than 31 chars, others - truncate such names to 31 character.
POI's SpreadsheetAPI silently truncates the input argument to 31 characters. Example:
Except the 31-character constraint, Excel applies some other rules:Sheet sheet = workbook.createSheet("My very long sheet name which is longer than 31 chars"); // will be truncated assert 31 == sheet.getSheetName().length(); assert "My very long sheet name which i" == sheet.getSheetName();Sheet name MUST be unique in the workbook and MUST NOT contain the any of the following characters:
- 0x0000
- 0x0003
- colon (:)
- backslash (\)
- asterisk (*)
- question mark (?)
- forward slash (/)
- opening square bracket ([)
- closing square bracket (])
See
WorkbookUtil.createSafeSheetName(String nameProposal)for a safe way to create valid names- Parameters:
sheetname- sheetname to set for the sheet.- Returns:
- Sheet representing the new sheet.
- Throws:
java.lang.IllegalArgumentException- if the name is null or invalid or workbook already contains a sheet with this name- See Also:
WorkbookUtil.createSafeSheetName(String nameProposal)
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cloneSheet
Sheet cloneSheet(int sheetNum)
Create an Sheet from an existing sheet in the Workbook.- Returns:
- Sheet representing the cloned sheet.
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getNumberOfSheets
int getNumberOfSheets()
Get the number of spreadsheets in the workbook- Returns:
- the number of sheets
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getSheetAt
Sheet getSheetAt(int index)
Get the Sheet object at the given index.- Parameters:
index- of the sheet number (0-based physical & logical)- Returns:
- Sheet at the provided index
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getSheet
Sheet getSheet(java.lang.String name)
Get sheet with the given name- Parameters:
name- of the sheet- Returns:
- Sheet with the name provided or
nullif it does not exist
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removeSheetAt
void removeSheetAt(int index)
Removes sheet at the given index- Parameters:
index- of the sheet to remove (0-based)
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setRepeatingRowsAndColumns
void setRepeatingRowsAndColumns(int sheetIndex, int startColumn, int endColumn, int startRow, int endRow)Deprecated. useSheet.setRepeatingRows(CellRangeAddress)orSheet.setRepeatingColumns(CellRangeAddress)Sets the repeating rows and columns for a sheet (as found in File->PageSetup->Sheet). This is function is included in the workbook because it creates/modifies name records which are stored at the workbook level.To set just repeating columns:
workbook.setRepeatingRowsAndColumns(0,0,1,-1-1);
To set just repeating rows:workbook.setRepeatingRowsAndColumns(0,-1,-1,0,4);
To remove all repeating rows and columns for a sheet.workbook.setRepeatingRowsAndColumns(0,-1,-1,-1,-1);
- Parameters:
sheetIndex- 0 based index to sheet.startColumn- 0 based start of repeating columns.endColumn- 0 based end of repeating columns.startRow- 0 based start of repeating rows.endRow- 0 based end of repeating rows.
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createFont
Font createFont()
Create a new Font and add it to the workbook's font table- Returns:
- new font object
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findFont
Font findFont(short boldWeight, short color, short fontHeight, java.lang.String name, boolean italic, boolean strikeout, short typeOffset, byte underline)
Finds a font that matches the one with the supplied attributes- Returns:
- the font with the matched attributes or
null
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getNumberOfFonts
short getNumberOfFonts()
Get the number of fonts in the font table- Returns:
- number of fonts
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getFontAt
Font getFontAt(short idx)
Get the font at the given index number- Parameters:
idx- index number (0-based)- Returns:
- font at the index
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createCellStyle
CellStyle createCellStyle()
Create a new Cell style and add it to the workbook's style table- Returns:
- the new Cell Style object
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getNumCellStyles
short getNumCellStyles()
Get the number of styles the workbook contains- Returns:
- count of cell styles
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getCellStyleAt
CellStyle getCellStyleAt(short idx)
Get the cell style object at the given index- Parameters:
idx- index within the set of styles (0-based)- Returns:
- CellStyle object at the index
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write
void write(java.io.OutputStream stream) throws java.io.IOExceptionWrite out this workbook to an Outputstream.- Parameters:
stream- - the java OutputStream you wish to write to- Throws:
java.io.IOException- if anything can't be written.
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close
void close() throws java.io.IOExceptionClose the underlying input resource (File or Stream), from which the Workbook was read. After closing, the Workbook should no longer be used.This will have no effect newly created Workbooks.
- Specified by:
closein interfacejava.lang.AutoCloseable- Specified by:
closein interfacejava.io.Closeable- Throws:
java.io.IOException
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getNumberOfNames
int getNumberOfNames()
- Returns:
- the total number of defined names in this workbook
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getName
Name getName(java.lang.String name)
- Parameters:
name- the name of the defined name- Returns:
- the defined name with the specified name.
nullif not found.
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getNameAt
Name getNameAt(int nameIndex)
- Parameters:
nameIndex- position of the named range (0-based)- Returns:
- the defined name at the specified index
- Throws:
java.lang.IllegalArgumentException- if the supplied index is invalid
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createName
Name createName()
Creates a new (uninitialised) defined name in this workbook- Returns:
- new defined name object
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getNameIndex
int getNameIndex(java.lang.String name)
Gets the defined name index by name
Note: Excel defined names are case-insensitive and this method performs a case-insensitive search.- Parameters:
name- the name of the defined name- Returns:
- zero based index of the defined name. -1 if not found.
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removeName
void removeName(int index)
Remove the defined name at the specified index- Parameters:
index- named range index (0 based)
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removeName
void removeName(java.lang.String name)
Remove a defined name by name- Parameters:
name- the name of the defined name
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linkExternalWorkbook
int linkExternalWorkbook(java.lang.String name, Workbook workbook)Adds the linking required to allow formulas referencing the specified external workbook to be added to this one.In order for formulas such as "[MyOtherWorkbook]Sheet3!$A$5" to be added to the file, some linking information must first be recorded. Once a given external workbook has been linked, then formulas using it can added. Each workbook needs linking only once.
This linking only applies for writing formulas. To link things for evaluation, see
FormulaEvaluator.setupReferencedWorkbooks(java.util.Map)- Parameters:
name- The name the workbook will be referenced as in formulasworkbook- The open workbook to fetch the link required information from
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setPrintArea
void setPrintArea(int sheetIndex, java.lang.String reference)Sets the printarea for the sheet providedi.e. Reference = $A$1:$B$2
- Parameters:
sheetIndex- Zero-based sheet index (0 Represents the first sheet to keep consistent with java)reference- Valid name Reference for the Print Area
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setPrintArea
void setPrintArea(int sheetIndex, int startColumn, int endColumn, int startRow, int endRow)For the Convenience of Java Programmers maintaining pointers.- Parameters:
sheetIndex- Zero-based sheet index (0 = First Sheet)startColumn- Column to begin printareaendColumn- Column to end the printareastartRow- Row to begin the printareaendRow- Row to end the printarea- See Also:
setPrintArea(int, String)
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getPrintArea
java.lang.String getPrintArea(int sheetIndex)
Retrieves the reference for the printarea of the specified sheet, the sheet name is appended to the reference even if it was not specified.- Parameters:
sheetIndex- Zero-based sheet index (0 Represents the first sheet to keep consistent with java)- Returns:
- String Null if no print area has been defined
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removePrintArea
void removePrintArea(int sheetIndex)
Delete the printarea for the sheet specified- Parameters:
sheetIndex- Zero-based sheet index (0 = First Sheet)
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getMissingCellPolicy
Row.MissingCellPolicy getMissingCellPolicy()
Retrieves the current policy on what to do when getting missing or blank cells from a row.The default is to return blank and null cells.
Row.MissingCellPolicy
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setMissingCellPolicy
void setMissingCellPolicy(Row.MissingCellPolicy missingCellPolicy)
Sets the policy on what to do when getting missing or blank cells from a row. This will then apply to all calls toRow.getCell(int)}. SeeRow.MissingCellPolicy
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createDataFormat
DataFormat createDataFormat()
Returns the instance of DataFormat for this workbook.- Returns:
- the DataFormat object
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addPicture
int addPicture(byte[] pictureData, int format)Adds a picture to the workbook.- Parameters:
pictureData- The bytes of the pictureformat- The format of the picture.- Returns:
- the index to this picture (1 based).
- See Also:
PICTURE_TYPE_EMF,PICTURE_TYPE_WMF,PICTURE_TYPE_PICT,PICTURE_TYPE_JPEG,PICTURE_TYPE_PNG,PICTURE_TYPE_DIB
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getAllPictures
java.util.List<? extends PictureData> getAllPictures()
Gets all pictures from the Workbook.- Returns:
- the list of pictures (a list of
PictureDataobjects.)
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getCreationHelper
CreationHelper getCreationHelper()
Returns an object that handles instantiating concrete classes of the various instances one needs for HSSF and XSSF.
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isHidden
boolean isHidden()
- Returns:
falseif this workbook is not visible in the GUI
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setHidden
void setHidden(boolean hiddenFlag)
- Parameters:
hiddenFlag- passfalseto make the workbook visible in the GUI
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isSheetHidden
boolean isSheetHidden(int sheetIx)
Check whether a sheet is hidden.Note that a sheet could instead be set to be very hidden, which is different (
isSheetVeryHidden(int))- Parameters:
sheetIx- Number- Returns:
trueif sheet is hidden
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isSheetVeryHidden
boolean isSheetVeryHidden(int sheetIx)
Check whether a sheet is very hidden.This is different from the normal hidden status (
isSheetHidden(int))- Parameters:
sheetIx- sheet index to check- Returns:
trueif sheet is very hidden
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setSheetHidden
void setSheetHidden(int sheetIx, boolean hidden)Hide or unhide a sheet- Parameters:
sheetIx- the sheet index (0-based)hidden- True to mark the sheet as hidden, false otherwise
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setSheetHidden
void setSheetHidden(int sheetIx, int hidden)Hide or unhide a sheet.- 0 - visible.
- 1 - hidden.
- 2 - very hidden.
- Parameters:
sheetIx- the sheet index (0-based)hidden- one of the followingWorkbookconstants:Workbook.SHEET_STATE_VISIBLE,Workbook.SHEET_STATE_HIDDEN, orWorkbook.SHEET_STATE_VERY_HIDDEN.- Throws:
java.lang.IllegalArgumentException- if the supplied sheet index or state is invalid
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addToolPack
void addToolPack(UDFFinder toopack)
Register a new toolpack in this workbook.- Parameters:
toopack- the toolpack to register
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setForceFormulaRecalculation
void setForceFormulaRecalculation(boolean value)
Whether the application shall perform a full recalculation when the workbook is opened.Typically you want to force formula recalculation when you modify cell formulas or values of a workbook previously created by Excel. When set to true, this flag will tell Excel that it needs to recalculate all formulas in the workbook the next time the file is opened.
Note, that recalculation updates cached formula results and, thus, modifies the workbook. Depending on the version, Excel may prompt you with "Do you want to save the changes in filename?" on close.
- Parameters:
value- true if the application will perform a full recalculation of workbook values when the workbook is opened- Since:
- 3.8
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getForceFormulaRecalculation
boolean getForceFormulaRecalculation()
Whether Excel will be asked to recalculate all formulas when the workbook is opened.- Since:
- 3.8
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