org.apache.poi.ss.usermodel.Workbook Maven / Gradle / Ivy
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package org.apache.poi.ss.usermodel;
import java.io.IOException;
import java.io.OutputStream;
import java.util.List;
import org.apache.poi.ss.formula.udf.UDFFinder;
import org.apache.poi.ss.usermodel.Row.MissingCellPolicy;
/**
* High 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.
*/
public interface Workbook {
/** Extended windows meta file */
public static final int PICTURE_TYPE_EMF = 2;
/** Windows Meta File */
public static final int PICTURE_TYPE_WMF = 3;
/** Mac PICT format */
public static final int PICTURE_TYPE_PICT = 4;
/** JPEG format */
public static final int PICTURE_TYPE_JPEG = 5;
/** PNG format */
public static final int PICTURE_TYPE_PNG = 6;
/** Device independent bitmap */
public static final int PICTURE_TYPE_DIB = 7;
/**
* Indicates the sheet is visible.
*
* @see #setSheetHidden(int, int)
*/
public static final int SHEET_STATE_VISIBLE = 0;
/**
* Indicates the book window is hidden, but can be shown by the user via the user interface.
*
* @see #setSheetHidden(int, int)
*/
public static final int SHEET_STATE_HIDDEN = 1;
/**
* 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 #setSheetHidden(int, int)
*/
public static final int SHEET_STATE_VERY_HIDDEN = 2;
/**
* 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.
*
* @return the index of the active sheet (0-based)
*/
int getActiveSheetIndex();
/**
* 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.
*
* @param sheetIndex index of the active sheet (0-based)
*/
void setActiveSheet(int sheetIndex);
/**
* Gets the first tab that is displayed in the list of tabs in excel.
*
* @return the first tab that to display in the list of tabs (0-based).
*/
int getFirstVisibleTab();
/**
* Sets the first tab that is displayed in the list of tabs in excel.
*
* @param sheetIndex the first tab that to display in the list of tabs (0-based)
*/
void setFirstVisibleTab(int sheetIndex);
/**
* Sets the order of appearance for a given sheet.
*
* @param sheetname the name of the sheet to reorder
* @param pos the position that we want to insert the sheet into (0 based)
*/
void setSheetOrder(String sheetname, int pos);
/**
* 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).
*
* @see Sheet#setSelected(boolean)
* @param index the index of the sheet to select (0 based)
*/
void setSelectedTab(int index);
/**
* Set the sheet name.
*
* See {@link org.apache.poi.ss.util.WorkbookUtil#createSafeSheetName(String nameProposal)}
* for a safe way to create valid names
*
* @param sheet number (0 based)
* @throws IllegalArgumentException if the name is null or invalid
* or workbook already contains a sheet with this name
* @see #createSheet(String)
* @see org.apache.poi.ss.util.WorkbookUtil#createSafeSheetName(String nameProposal)
*/
void setSheetName(int sheet, String name);
/**
* Get the sheet name
*
* @param sheet sheet number (0 based)
* @return Sheet name
*/
String getSheetName(int sheet);
/**
* Returns the index of the sheet by his name
*
* @param name the sheet name
* @return index of the sheet (0 based)
*/
int getSheetIndex(String name);
/**
* Returns the index of the given sheet
*
* @param sheet the sheet to look up
* @return index of the sheet (0 based)
*/
int getSheetIndex(Sheet sheet);
/**
* Sreate an Sheet for this Workbook, adds it to the sheets and returns
* the high level representation. Use this to create new sheets.
*
* @return Sheet representing the new sheet.
*/
Sheet createSheet();
/**
* 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:
*
*
* 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();
*
*
*
* Except the 31-character constraint, Excel applies some other rules:
*
* 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 (])
*
* The string MUST NOT begin or end with the single quote (') character.
*
*
*
* See {@link org.apache.poi.ss.util.WorkbookUtil#createSafeSheetName(String nameProposal)}
* for a safe way to create valid names
*
* @param sheetname sheetname to set for the sheet.
* @return Sheet representing the new sheet.
* @throws IllegalArgumentException if the name is null or invalid
* or workbook already contains a sheet with this name
* @see org.apache.poi.ss.util.WorkbookUtil#createSafeSheetName(String nameProposal)
*/
Sheet createSheet(String sheetname);
/**
* Create an Sheet from an existing sheet in the Workbook.
*
* @return Sheet representing the cloned sheet.
*/
Sheet cloneSheet(int sheetNum);
/**
* Get the number of spreadsheets in the workbook
*
* @return the number of sheets
*/
int getNumberOfSheets();
/**
* Get the Sheet object at the given index.
*
* @param index of the sheet number (0-based physical & logical)
* @return Sheet at the provided index
*/
Sheet getSheetAt(int index);
/**
* Get sheet with the given name
*
* @param name of the sheet
* @return Sheet with the name provided or null if it does not exist
*/
Sheet getSheet(String name);
/**
* Removes sheet at the given index
*
* @param index of the sheet to remove (0-based)
*/
void removeSheetAt(int index);
/**
* 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);
*
*
* @param sheetIndex 0 based index to sheet.
* @param startColumn 0 based start of repeating columns.
* @param endColumn 0 based end of repeating columns.
* @param startRow 0 based start of repeating rows.
* @param endRow 0 based end of repeating rows.
*/
void setRepeatingRowsAndColumns(int sheetIndex, int startColumn, int endColumn, int startRow, int endRow);
/**
* Create a new Font and add it to the workbook's font table
*
* @return new font object
*/
Font createFont();
/**
* Finds a font that matches the one with the supplied attributes
*
* @return the font with the matched attributes or null
*/
Font findFont(short boldWeight, short color, short fontHeight, String name, boolean italic, boolean strikeout, short typeOffset, byte underline);
/**
* Get the number of fonts in the font table
*
* @return number of fonts
*/
short getNumberOfFonts();
/**
* Get the font at the given index number
*
* @param idx index number (0-based)
* @return font at the index
*/
Font getFontAt(short idx);
/**
* Create a new Cell style and add it to the workbook's style table
*
* @return the new Cell Style object
*/
CellStyle createCellStyle();
/**
* Get the number of styles the workbook contains
*
* @return count of cell styles
*/
short getNumCellStyles();
/**
* Get the cell style object at the given index
*
* @param idx index within the set of styles (0-based)
* @return CellStyle object at the index
*/
CellStyle getCellStyleAt(short idx);
/**
* Write out this workbook to an Outputstream.
*
* @param stream - the java OutputStream you wish to write to
* @exception IOException if anything can't be written.
*/
void write(OutputStream stream) throws IOException;
/**
* @return the total number of defined names in this workbook
*/
int getNumberOfNames();
/**
* @param name the name of the defined name
* @return the defined name with the specified name. null if not found.
*/
Name getName(String name);
/**
* @param nameIndex position of the named range (0-based)
* @return the defined name at the specified index
* @throws IllegalArgumentException if the supplied index is invalid
*/
Name getNameAt(int nameIndex);
/**
* Creates a new (uninitialised) defined name in this workbook
*
* @return new defined name object
*/
Name createName();
/**
* Gets the defined name index by name
* Note: Excel defined names are case-insensitive and
* this method performs a case-insensitive search.
*
* @param name the name of the defined name
* @return zero based index of the defined name. -1 if not found.
*/
int getNameIndex(String name);
/**
* Remove the defined name at the specified index
*
* @param index named range index (0 based)
*/
void removeName(int index);
/**
* Remove a defined name by name
*
* @param name the name of the defined name
*/
void removeName(String name);
/**
* Sets the printarea for the sheet provided
*
* i.e. Reference = $A$1:$B$2
* @param sheetIndex Zero-based sheet index (0 Represents the first sheet to keep consistent with java)
* @param reference Valid name Reference for the Print Area
*/
void setPrintArea(int sheetIndex, String reference);
/**
* For the Convenience of Java Programmers maintaining pointers.
* @see #setPrintArea(int, String)
* @param sheetIndex Zero-based sheet index (0 = First Sheet)
* @param startColumn Column to begin printarea
* @param endColumn Column to end the printarea
* @param startRow Row to begin the printarea
* @param endRow Row to end the printarea
*/
void setPrintArea(int sheetIndex, int startColumn, int endColumn, int startRow, int endRow);
/**
* Retrieves the reference for the printarea of the specified sheet,
* the sheet name is appended to the reference even if it was not specified.
*
* @param sheetIndex Zero-based sheet index (0 Represents the first sheet to keep consistent with java)
* @return String Null if no print area has been defined
*/
String getPrintArea(int sheetIndex);
/**
* Delete the printarea for the sheet specified
*
* @param sheetIndex Zero-based sheet index (0 = First Sheet)
*/
void removePrintArea(int sheetIndex);
/**
* 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.
* {@link MissingCellPolicy}
*
*/
MissingCellPolicy getMissingCellPolicy();
/**
* Sets the policy on what to do when
* getting missing or blank cells from a row.
*
* This will then apply to all calls to
* {@link Row#getCell(int)} }. See
* {@link MissingCellPolicy}
*/
void setMissingCellPolicy(MissingCellPolicy missingCellPolicy);
/**
* Returns the instance of DataFormat for this workbook.
*
* @return the DataFormat object
*/
DataFormat createDataFormat();
/**
* Adds a picture to the workbook.
*
* @param pictureData The bytes of the picture
* @param format The format of the picture.
*
* @return the index to this picture (1 based).
* @see #PICTURE_TYPE_EMF
* @see #PICTURE_TYPE_WMF
* @see #PICTURE_TYPE_PICT
* @see #PICTURE_TYPE_JPEG
* @see #PICTURE_TYPE_PNG
* @see #PICTURE_TYPE_DIB
*/
int addPicture(byte[] pictureData, int format);
/**
* Gets all pictures from the Workbook.
*
* @return the list of pictures (a list of {@link PictureData} objects.)
*/
List getAllPictures();
/**
* Returns an object that handles instantiating concrete
* classes of the various instances one needs for HSSF and XSSF.
*/
CreationHelper getCreationHelper();
/**
* @return false if this workbook is not visible in the GUI
*/
boolean isHidden();
/**
* @param hiddenFlag pass false to make the workbook visible in the GUI
*/
void setHidden(boolean hiddenFlag);
/**
* Check whether a sheet is hidden.
*
* Note that a sheet could instead be set to be very hidden, which is different
* ({@link #isSheetVeryHidden(int)})
*
* @param sheetIx Number
* @return true if sheet is hidden
*/
boolean isSheetHidden(int sheetIx);
/**
* Check whether a sheet is very hidden.
*
* This is different from the normal hidden status
* ({@link #isSheetHidden(int)})
*
* @param sheetIx sheet index to check
* @return true if sheet is very hidden
*/
boolean isSheetVeryHidden(int sheetIx);
/**
* Hide or unhide a sheet
*
* @param sheetIx the sheet index (0-based)
* @param hidden True to mark the sheet as hidden, false otherwise
*/
void setSheetHidden(int sheetIx, boolean hidden);
/**
* Hide or unhide a sheet.
*
*
* - 0 - visible.
* - 1 - hidden.
* - 2 - very hidden.
*
* @param sheetIx the sheet index (0-based)
* @param hidden one of the following Workbook constants:
* Workbook.SHEET_STATE_VISIBLE,
* Workbook.SHEET_STATE_HIDDEN, or
* Workbook.SHEET_STATE_VERY_HIDDEN.
* @throws IllegalArgumentException if the supplied sheet index or state is invalid
*/
void setSheetHidden(int sheetIx, int hidden);
/**
* Register a new toolpack in this workbook.
*
* @param toopack the toolpack to register
*/
void addToolPack(UDFFinder toopack);
/**
* 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.
*
*
* @param value true if the application will perform a full recalculation of
* workbook values when the workbook is opened
* @since 3.8
*/
public void setForceFormulaRecalculation(boolean value);
/**
* Whether Excel will be asked to recalculate all formulas when the workbook is opened.
*
* @since 3.8
*/
boolean getForceFormulaRecalculation();
}