protected HSSFCellStyle(short index,
    ExtendedFormatRecord rec) 
{
               
        this.index = index;
        format     = rec;
}

Creates new HSSFCellStyle why would you want to do this??

 public short getAlignment() 
{
        return format.getAlignment();
}

get the type of horizontal alignment for the cell

 public short getBorderBottom() 
{
        return format.getBorderBottom();
}

get the type of border to use for the bottom border of the cell

 public short getBorderLeft() 
{
        return format.getBorderLeft();
}

get the type of border to use for the left border of the cell

 public short getBorderRight() 
{
        return format.getBorderRight();
}

get the type of border to use for the right border of the cell

 public short getBorderTop() 
{
        return format.getBorderTop();
}

get the type of border to use for the top border of the cell

 public short getBottomBorderColor() 
{
        return format.getBottomBorderPaletteIdx();
}

get the color to use for the left border

 public short getDataFormat() 
{
        return format.getFormatIndex();
}

get the index of the built in format

 public short getFillBackgroundColor() 
{
        return format.getFillBackground();
}

get the background fill color

 public short getFillForegroundColor() 
{
        return format.getFillForeground();
}

get the foreground fill color

 public short getFillPattern() 
{
        return format.getAdtlFillPattern();
}

get the fill pattern (??) - set to 1 to fill with foreground color

 public boolean getHidden() 
{
        return format.isHidden();
}

get whether the cell's using this style are to be hidden

 public short getIndention() 
{
        return format.getIndent();
}

get the number of spaces to indent the text in the cell

 public short getIndex() 
{
        return index;
}

get the index within the HSSFWorkbook (sequence within the collection of ExtnededFormat objects)

 public short getLeftBorderColor() 
{
        return format.getLeftBorderPaletteIdx();
}

get the color to use for the left border

 public boolean getLocked() 
{
        return format.isLocked();
}

get whether the cell's using this style are to be locked

 public short getRightBorderColor() 
{
        return format.getRightBorderPaletteIdx();
}

get the color to use for the left border

 public short getRotation() 
{
        return format.getRotation();
}

get the degree of rotation for the text in the cell

 public short getTopBorderColor() 
{
        return format.getTopBorderPaletteIdx();
}

get the color to use for the top border

 public short getVerticalAlignment() 
{
        return format.getVerticalAlignment();
}

get the type of vertical alignment for the cell

 public boolean getWrapText() 
{
        return format.getWrapText();
}

get whether the text should be wrapped

 public  void setAlignment(short align) 
{
        format.setIndentNotParentAlignment(true);
        format.setAlignment(align);
}

set the type of horizontal alignment for the cell

 public  void setBorderBottom(short border) 
{
        format.setIndentNotParentBorder(true);
        format.setBorderBottom(border);
}

set the type of border to use for the bottom border of the cell

 public  void setBorderLeft(short border) 
{
        format.setIndentNotParentBorder(true);
        format.setBorderLeft(border);
}

set the type of border to use for the left border of the cell

 public  void setBorderRight(short border) 
{
        format.setIndentNotParentBorder(true);
        format.setBorderRight(border);
}

set the type of border to use for the right border of the cell

 public  void setBorderTop(short border) 
{
        format.setIndentNotParentBorder(true);
        format.setBorderTop(border);
}

set the type of border to use for the top border of the cell

 public  void setBottomBorderColor(short color) 
{
        format.setBottomBorderPaletteIdx(color);
}

set the color to use for the bottom border

 public  void setDataFormat(short fmt) 
{
        format.setFormatIndex(fmt);
}

set the data format (only builtin formats are supported)

 public  void setFillBackgroundColor(short bg) 
{
        format.setFillBackground(bg);
}

set the background fill color

 public  void setFillForegroundColor(short bg) 
{
        format.setFillForeground(bg);
}

set the foreground fill color

 public  void setFillPattern(short fp) 
{
        format.setAdtlFillPattern(fp);
}

setting to one fills the cell with the foreground color... No idea about other values

 public  void setFont(HSSFFont font) 
{
        format.setIndentNotParentFont(true);
        fontindex = font.getIndex();
        format.setFontIndex(fontindex);
}

set the font for this style

 public  void setHidden(boolean hidden) 
{
        format.setIndentNotParentCellOptions(true);
        format.setHidden(hidden);
}

set the cell's using this style to be hidden

 public  void setIndention(short indent) 
{
        format.setIndent(indent);
}

set the number of spaces to indent the text in the cell

 public  void setLeftBorderColor(short color) 
{
        format.setLeftBorderPaletteIdx(color);
}

set the color to use for the left border

 public  void setLocked(boolean locked) 
{
        format.setIndentNotParentCellOptions(true);
        format.setLocked(locked);
}

set the cell's using this style to be locked

 public  void setRightBorderColor(short color) 
{
        format.setRightBorderPaletteIdx(color);
}

set the color to use for the right border

 public  void setRotation(short rotation) 
{
        format.setRotation(rotation);
}

set the degree of rotation for the text in the cell

 public  void setTopBorderColor(short color) 
{
        format.setTopBorderPaletteIdx(color);
}

set the color to use for the top border

 public  void setVerticalAlignment(short align) 
{
        format.setVerticalAlignment(align);
}

set the type of vertical alignment for the cell

 public  void setWrapText(boolean wrapped) 
{
        format.setIndentNotParentAlignment(true);
        format.setWrapText(wrapped);
}

set whether the text should be wrapped