org.apache.poi.xssf.streaming
Class GZIPSheetDataWriter

java.lang.Object
  org.apache.poi.xssf.streaming.SheetDataWriter
      org.apache.poi.xssf.streaming.GZIPSheetDataWriter

public class GZIPSheetDataWriter
extends SheetDataWriter

Sheet writer that supports gzip compression of the temp files.

GZIPSheetDataWriter

public GZIPSheetDataWriter()
                    throws java.io.IOException

Throws:

java.io.IOException

GZIPSheetDataWriter

public GZIPSheetDataWriter(SharedStringsTable sharedStringsTable)
                    throws java.io.IOException

Parameters:

sharedStringsTable - the shared strings table, or null if inline text is used

Throws:

java.io.IOException

createTempFile

public java.io.File createTempFile()
                            throws java.io.IOException

Description copied from class: SheetDataWriter

Create a temp file to write sheet data. By default, temp files are created in the default temporary-file directory with a prefix "poi-sxssf-sheet" and suffix ".xml". Subclasses can override it and specify a different temp directory or filename or suffix, e.g. .gz

Overrides:

createTempFile in class SheetDataWriter

Returns:

temp file to write sheet data

Throws:

java.io.IOException

createWriter

public java.io.Writer createWriter(java.io.File fd)
                            throws java.io.IOException

Description copied from class: SheetDataWriter

Create a writer for the sheet data.

Overrides:

createWriter in class SheetDataWriter

Parameters:

fd - the file to write to

Returns:

a wrapped instance of GZIPOutputStream

Throws:

java.io.IOException

getWorksheetXMLInputStream

public java.io.InputStream getWorksheetXMLInputStream()
                                               throws java.io.IOException

Overrides:

getWorksheetXMLInputStream in class SheetDataWriter

Returns:

a GZIPInputStream stream to read the compressed temp file

Throws:

java.io.IOException