jxl.read.biff
Class WorkbookParser

java.lang.Object
  |
  +--jxl.Workbook
        |
        +--jxl.read.biff.WorkbookParser

All Implemented Interfaces:

ExternalSheet

public class WorkbookParser

extends Workbook

implements ExternalSheet

Parses the biff file passed in, and builds up an internal representation of the spreadsheet

Field Summary

private int	bofs The number of open bofs
private java.util.ArrayList	boundsheets The names of all the worksheets
private File	excelFile The excel file
private ExternalSheetRecord	externSheet The external sheet record.
private Fonts	fonts The fonts used by this workbook
private FormattingRecords	formattingRecords The xf records
private SheetImpl	lastSheet The last sheet accessed
private int	lastSheetIndex The index of the last sheet retrieved
private MsoDrawingGroupRecord	msoDrawingGroup The Mso Drawing Group record for this workbook
private java.util.HashMap	namedRecords The named records found in this workbook
private boolean	nineteenFour Indicates whether or not the dates are based around the 1904 date system
private WorkbookSettings	settings The workbook settings
private SSTRecord	sharedStrings The shared string table
private java.util.ArrayList	sheets The sheets contained in this workbook
private java.util.ArrayList	supbooks The list of supporting workbooks - used by formulas
private boolean	wbProtected Workbook protected flag
private BOFRecord	workbookBof The bof record for this workbook

Fields inherited from class jxl.Workbook

version

Constructor Summary

WorkbookParser(File f, WorkbookSettings s)
Constructs this object from the raw excel data

Method Summary

(package private) void	addSheet(Sheet s) Adds the sheet to the end of the array
void	close() Closes this workbook, and frees makes any memory allocated available for garbage collection
Range[]	findByName(java.lang.String name) Gets the named range from this workbook.
Cell	findCellByName(java.lang.String name) Gets the named cell from this workbook.
(package private) int	getExternalSheetIndex(int index) Package protected function which gets the real internal sheet index based upon the external sheet reference.
int	getExternalSheetIndex(java.lang.String sheetName) Accessor/implementation method for the external sheet reference
java.lang.String	getExternalSheetName(int index) Gets the name of the external sheet specified by the index
ExternalSheetRecord	getExternalSheetRecord() Accessor for the externSheet, used by the WritableWorkbook when creating a copy of this
Fonts	getFonts() Accessor for the fonts, used by the WritableWorkbook when creating a copy of this
FormattingRecords	getFormattingRecords() Accessor for the formattingRecords, used by the WritableWorkbook when creating a copy of this
MsoDrawingGroupRecord	getMsoDrawingGroupRecord() Accessor for the MsoDrawingGroup, used by the WritableWorkbook when creating a copy of this
NameRecord[]	getNameRecords() Accessor for the name records.
int	getNumberOfSheets() Returns the number of sheets in this workbook
WorkbookSettings	getSettings() Accessor for the settings
Sheet	getSheet(int index) Gets the specified sheet within this workbook
Sheet	getSheet(java.lang.String name) Gets the sheet with the specified name from within this workbook
Sheet[]	getSheets() Gets the sheets within this workbook.
SupbookRecord[]	getSupbookRecords() Accessor for the supbook records, used by the WritableWorkbook when creating a copy of this
BOFRecord	getWorkbookBof() Method used when parsing formulas to make sure we are trying to parse a supported biff version
boolean	isProtected() Determines whether the sheet is protected
protected void	parse() Does the hard work of building up the object graph from the excel bytes

Methods inherited from class jxl.Workbook

createWorkbook, createWorkbook, createWorkbook, createWorkbook, createWorkbook, createWorkbook, createWorkbook, createWorkbook, getVersion, getWorkbook, getWorkbook, getWorkbook, getWorkbook

Methods inherited from class java.lang.Object

, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait

Field Detail

excelFile

private File excelFile

The excel file

bofs

private int bofs

The number of open bofs

nineteenFour

private boolean nineteenFour

Indicates whether or not the dates are based around the 1904 date system

sharedStrings

private SSTRecord sharedStrings

The shared string table

boundsheets

private java.util.ArrayList boundsheets

The names of all the worksheets

formattingRecords

private FormattingRecords formattingRecords

The xf records

fonts

private Fonts fonts

The fonts used by this workbook

sheets

private java.util.ArrayList sheets

The sheets contained in this workbook

lastSheet

private SheetImpl lastSheet

The last sheet accessed

lastSheetIndex

private int lastSheetIndex

The index of the last sheet retrieved

namedRecords

private java.util.HashMap namedRecords

The named records found in this workbook

externSheet

private ExternalSheetRecord externSheet

The external sheet record. Used by formulas, and names

supbooks

private java.util.ArrayList supbooks

The list of supporting workbooks - used by formulas

workbookBof

private BOFRecord workbookBof

The bof record for this workbook

msoDrawingGroup

private MsoDrawingGroupRecord msoDrawingGroup

The Mso Drawing Group record for this workbook

wbProtected

private boolean wbProtected

Workbook protected flag

settings

private WorkbookSettings settings

The workbook settings

Constructor Detail

WorkbookParser

public WorkbookParser(File f,
                      WorkbookSettings s)

Constructs this object from the raw excel data

Parameters:

f - the excel 97 biff file

s - the workbook settings

Method Detail

getSheets

public Sheet[] getSheets()

Gets the sheets within this workbook. NOTE: Use of this method for very large worksheets can cause performance and out of memory problems. Use the alternative method getSheet() to retrieve each sheet individually

Overrides:

getSheets in class Workbook

Returns:

an array of the individual sheets

getSheet

public Sheet getSheet(int index)

Gets the specified sheet within this workbook

Overrides:

getSheet in class Workbook

Parameters:

index - the zero based index of the required sheet

Returns:

The sheet specified by the index

getSheet

public Sheet getSheet(java.lang.String name)

Gets the sheet with the specified name from within this workbook

Overrides:

getSheet in class Workbook

Parameters:

name - the sheet name

Returns:

The sheet with the specified name, or null if it is not found

getExternalSheetIndex

int getExternalSheetIndex(int index)

Package protected function which gets the real internal sheet index based upon the external sheet reference. This is used for extern sheet references which are specified in formulas

Parameters:

index - the external sheet reference

Returns:

the actual sheet index

getExternalSheetName

public java.lang.String getExternalSheetName(int index)

Gets the name of the external sheet specified by the index

Specified by:

getExternalSheetName in interface ExternalSheet

Parameters:

index - the external sheet index

Returns:

the name of the external sheet

getNumberOfSheets

public int getNumberOfSheets()

Returns the number of sheets in this workbook

Overrides:

getNumberOfSheets in class Workbook

Returns:

the number of sheets in this workbook

close

public void close()

Closes this workbook, and frees makes any memory allocated available for garbage collection

Overrides:

close in class Workbook

addSheet

final void addSheet(Sheet s)

Adds the sheet to the end of the array

Parameters:

s - the sheet to add

parse

protected void parse()
              throws BiffException,
                     PasswordException

Does the hard work of building up the object graph from the excel bytes

Overrides:

parse in class Workbook

Throws:

BiffException -

PasswordException - if the workbook is password protected

getFormattingRecords

public FormattingRecords getFormattingRecords()

Accessor for the formattingRecords, used by the WritableWorkbook when creating a copy of this

Returns:

the formatting records

getExternalSheetRecord

public ExternalSheetRecord getExternalSheetRecord()

Accessor for the externSheet, used by the WritableWorkbook when creating a copy of this

Returns:

the external sheet record

getMsoDrawingGroupRecord

public MsoDrawingGroupRecord getMsoDrawingGroupRecord()

Accessor for the MsoDrawingGroup, used by the WritableWorkbook when creating a copy of this

Returns:

the Mso Drawing Group record

getSupbookRecords

public SupbookRecord[] getSupbookRecords()

Accessor for the supbook records, used by the WritableWorkbook when creating a copy of this

Returns:

the supbook records

getNameRecords

public NameRecord[] getNameRecords()

Accessor for the name records. Used by the WritableWorkbook when creating a copy of this

Returns:

the array of names

getFonts

public Fonts getFonts()

Accessor for the fonts, used by the WritableWorkbook when creating a copy of this

findCellByName

public Cell findCellByName(java.lang.String name)

Gets the named cell from this workbook. The name refers to a range of cells, then the cell on the top left is returned. If the name cannot be, null is returned

Overrides:

findCellByName in class Workbook

Parameters:

the - name of the cell/range to search for

Returns:

the cell in the top left of the range if found, NULL otherwise

findByName

public Range[] findByName(java.lang.String name)

Gets the named range from this workbook. The Range object returns contains all the cells from the top left to the bottom right of the range. If the named range comprises an adjacent range, the Range[] will contain one object; for non-adjacent ranges, it is necessary to return an array of length greater than one. If the named range contains a single cell, the top left and bottom right cell will be the same cell

Overrides:

findByName in class Workbook

Parameters:

the - name of the cell/range to search for

Returns:

the range of cells

getWorkbookBof

public BOFRecord getWorkbookBof()

Method used when parsing formulas to make sure we are trying to parse a supported biff version

Specified by:

getWorkbookBof in interface ExternalSheet

Returns:

the BOF record

isProtected

public boolean isProtected()

Determines whether the sheet is protected

Overrides:

isProtected in class Workbook

Returns:

whether or not the sheet is protected

getSettings

public WorkbookSettings getSettings()

Accessor for the settings

Returns:

the workbook settings

getExternalSheetIndex

public int getExternalSheetIndex(java.lang.String sheetName)

Accessor/implementation method for the external sheet reference

Specified by:

getExternalSheetIndex in interface ExternalSheet

Parameters:

sheetName -

Returns:

the external sheet index