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## jxl.write
Class WritableWorkbook

    java.lang.Object
      jxl.write.WritableWorkbook

    public abstract class WritableWorkbook

extends java.lang.Object

A writable workbook

Field Summary
`static WritableFont` | `ARIAL_10_PT` The default font for Cell formats
`static WritableCellFormat` | `HIDDEN_STYLE` A cell format used to hide the cell contents
`static WritableFont` | `HYPERLINK_FONT` The font used for hyperlinks
`static WritableCellFormat` | `HYPERLINK_STYLE` The style used for hyperlinks
`static WritableCellFormat` | `NORMAL_STYLE` The default style for cells

Method Summary
`abstract void` | `addNameArea(java.lang.String name, WritableSheet sheet, int firstCol, int firstRow, int lastCol, int lastRow)` Add new named area to this workbook with the given information.
`abstract void` | `close()` Closes this workbook, and makes any memory allocated available for garbage collection.
`void` | `copy(Workbook w)` Deprecated. Copying now occurs implicitly as part of the overloaded factory method Workbook.createWorkbood
`abstract void` | `copySheet(int s, java.lang.String name, int index)` Copy sheet within the same workbook.
`abstract void` | `copySheet(java.lang.String s, java.lang.String name, int index)` Copies the specified sheet and places it at the index specified by the parameter
`abstract WritableSheet` | `createSheet(java.lang.String name, int index)` Creates, and returns a worksheet at the specified position with the specified name If the index specified is less than or equal to zero, the new sheet is created at the beginning of the workbook.
`abstract Range[]` | `findByName(java.lang.String name)` Gets the named range from this workbook.
`abstract WritableCell` | `findCellByName(java.lang.String name)` Gets the named cell from this workbook.
`abstract int` | `getNumberOfSheets()` Returns the number of sheets in this workbook
`abstract java.lang.String[]` | `getRangeNames()` Gets the named ranges
`abstract WritableSheet` | `getSheet(int index)` Gets the specified sheet within this workbook
`abstract WritableSheet` | `getSheet(java.lang.String name)` Gets the sheet with the specified name from within this workbook
`abstract java.lang.String[]` | `getSheetNames()` Gets the sheet names
`abstract WritableSheet[]` | `getSheets()` Gets the sheets within this workbook.
`abstract WritableCell` | `getWritableCell(java.lang.String loc)` Returns the cell for the specified location eg.
`abstract WritableSheet` | `importSheet(java.lang.String name, int index, Sheet s)` Imports a sheet from a different workbook.
`abstract WritableSheet` | `moveSheet(int fromIndex, int toIndex)` Moves the specified sheet within this workbook to another index position.
`abstract void` | `removeRangeName(java.lang.String name)` Removes the specified named range from the workbook.
`abstract void` | `removeSheet(int index)` Removes the sheet at the specified index from this workbook
`abstract void` | `setColourRGB(Colour c, int r, int g, int b)` Sets the RGB value for the specified colour for this workbook
`abstract void` | `setOutputFile(java.io.File fileName)` Sets a new output file.
`abstract void` | `setProtected(boolean prot)` Indicates whether or not this workbook is protected
`abstract void` | `write()` Writes out the data held in this workbook in Excel format

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### ARIAL_10_PT

    public static final WritableFont ARIAL_10_PT

  The default font for Cell formats

### HYPERLINK_FONT

    public static final WritableFont HYPERLINK_FONT

  The font used for hyperlinks

### NORMAL_STYLE

    public static final WritableCellFormat NORMAL_STYLE

  The default style for cells

### HYPERLINK_STYLE

    public static final WritableCellFormat HYPERLINK_STYLE

  The style used for hyperlinks

### HIDDEN_STYLE

    public static final WritableCellFormat HIDDEN_STYLE

  A cell format used to hide the cell contents

Method Detail

### getSheets

    public abstract WritableSheet[] getSheets()

  Gets the sheets within this workbook. Use of this method for large worksheets can cause performance problems.

  Returns:
    an array of the individual sheets

### getSheetNames

    public abstract java.lang.String[] getSheetNames()

  Gets the sheet names

  Returns:
    an array of strings containing the sheet names

### getSheet

    public abstract WritableSheet getSheet(int index)
                                    throws java.lang.IndexOutOfBoundsException

  Gets the specified sheet within this workbook

  Parameters:
    `index` - the zero based index of the reQuired sheet
  Returns:
    The sheet specified by the index
  Throws:
    `java.lang.IndexOutOfBoundsException` - when index refers to a non-existent sheet

### getSheet

    public abstract WritableSheet getSheet(java.lang.String name)

  Gets the sheet with the specified name from within this workbook

  Parameters:
    `name` - the sheet name
  Returns:
    The sheet with the specified name, or null if it is not found

### getWritableCell

    public abstract WritableCell getWritableCell(java.lang.String loc)

  Returns the cell for the specified location eg. "Sheet1!A4". This is identical to using the CellReferenceHelper with its associated performance overheads, consequently it should be use sparingly

  Parameters:
    `loc` - the cell to retrieve
  Returns:
    the cell at the specified location

### getNumberOfSheets

    public abstract int getNumberOfSheets()

  Returns the number of sheets in this workbook

  Returns:
    the number of sheets in this workbook

### close

    public abstract void close()
                        throws java.io.IOException,
                               WriteException

  Closes this workbook, and makes any memory allocated available for garbage collection. Also closes the underlying output stream if necessary.

  Throws:
    `java.io.IOException`
    `WriteException`

### createSheet

    public abstract WritableSheet createSheet(java.lang.String name,
                                              int index)

  Creates, and returns a worksheet at the specified position with the specified name If the index specified is less than or equal to zero, the new sheet is created at the beginning of the workbook. If the index is greater than the number of sheet, then the sheet is created at the end of the workbook.

  Parameters:
    `name` - the sheet name
    `index` - the index number at which to insert
  Returns:
    the new sheet

### importSheet

    public abstract WritableSheet importSheet(java.lang.String name,
                                              int index,
                                              Sheet s)

  Imports a sheet from a different workbook. Does a deep copy on all elements within that sheet

  Parameters:
    `name` - the name of the new sheet
    `index` - the position for the new sheet within this workbook
    `sheet` - the sheet (from another workbook) to merge into this one
  Returns:
    the new sheet

### copySheet

    public abstract void copySheet(int s,
                                   java.lang.String name,
                                   int index)

  Copy sheet within the same workbook. The sheet specified is copied to the new sheet name at the position

  Parameters:
    `s` - the index of the sheet to copy
    `name` - the name of the new sheet
    `index` - the position of the new sheet

### copySheet

    public abstract void copySheet(java.lang.String s,
                                   java.lang.String name,
                                   int index)

  Copies the specified sheet and places it at the index specified by the parameter

  Parameters:
    `s` - the name of the sheet to copy
    `name` - the name of the new sheet
    `index` - the position of the new sheet

### removeSheet

    public abstract void removeSheet(int index)

  Removes the sheet at the specified index from this workbook

  Parameters:
    `index` - the sheet index to remove

### moveSheet

    public abstract WritableSheet moveSheet(int fromIndex,
                                            int toIndex)

  Moves the specified sheet within this workbook to another index position.

  Parameters:
    `fromIndex` - the zero based index of the required sheet
    `toIndex` - the zero based index of the required sheet
  Returns:
    the sheet that has been moved

### write

    public abstract void write()
                        throws java.io.IOException

  Writes out the data held in this workbook in Excel format

  Throws:
    `java.io.IOException`

### setProtected

    public abstract void setProtected(boolean prot)

  Indicates whether or not this workbook is protected

  Parameters:
    `prot` - Protected flag

### setColourRGB

    public abstract void setColourRGB(Colour c,
                                      int r,
                                      int g,
                                      int b)

  Sets the RGB value for the specified colour for this workbook

  Parameters:
    `c` - the colour whose RGB value is to be overwritten
    `r` - the red portion to set (0-255)
    `g` - the green portion to set (0-255)
    `b` - the blue portion to set (0-255)

### copy

    public void copy(Workbook w)

  Deprecated. Copying now occurs implicitly as part of the overloaded factory method Workbook.createWorkbood

  This method can be used to create a writable clone of some other workbook

  Parameters:
    `w` - the workdoock to copy

### findCellByName

    public abstract WritableCell 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

  Parameters:
    `name` - 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 abstract 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

  Parameters:
    `name` - the name of the cell/range to search for
  Returns:
    the range of cells

### getRangeNames

    public abstract java.lang.String[] getRangeNames()

  Gets the named ranges

  Returns:
    the list of named cells within the workbook

### removeRangeName

    public abstract void removeRangeName(java.lang.String name)

  Removes the specified named range from the workbook. Note that removing a name could cause formulas which use that name to calculate their results incorrectly

  Parameters:
    `name` - the name to remove

### addNameArea

    public abstract void addNameArea(java.lang.String name,
                                     WritableSheet sheet,
                                     int firstCol,
                                     int firstRow,
                                     int lastCol,
                                     int lastRow)

  Add new named area to this workbook with the given information.

  Parameters:
    `name` - name to be created.
    `sheet` - sheet containing the name
    `firstCol` - first column this name refers to.
    `firstRow` - first row this name refers to.
    `lastCol` - last column this name refers to.
    `lastRow` - last row this name refers to.

### setOutputFile

    public abstract void setOutputFile(java.io.File fileName)
                                throws java.io.IOException

  Sets a new output file. This allows the same workbook to be written to various different output files without having to read in any templates again

  Parameters:
    `fileName` - the file name
  Throws:
    `java.io.IOException`

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