adams.data.io.input
Class ExcelSAXSpreadSheetReader

java.lang.Object
  adams.core.ConsoleObject
      adams.core.option.AbstractOptionHandler
          adams.data.io.input.AbstractSpreadSheetReader
              adams.data.io.input.AbstractSpreadSheetReaderWithMissingValueSupport
                  adams.data.io.input.AbstractExcelSpreadSheetReader
                      adams.data.io.input.ExcelSAXSpreadSheetReader

All Implemented Interfaces:

adams.core.Debuggable, adams.core.Destroyable, adams.core.option.OptionHandler, adams.core.SizeOfHandler, adams.core.Stoppable, Serializable

public class ExcelSAXSpreadSheetReader
extends AbstractExcelSpreadSheetReader

Reads large MS Excel XML files (using SAX).
Caveat: date/time columns don't get imported correctly.

Valid options are:

-D <int> (property: debugLevel)
    The greater the number the more additional info the scheme may output to 
    the console (0 = off).
    default: 0
    minimum: 0
 

-missing <java.lang.String> (property: missingValue)
    The placeholder for missing values.
    default: ?
 

-sheet <adams.core.Index> (property: sheetIndex)
    The index of the sheet to load; An index is a number starting with 1; the 
    following placeholders can be used as well: first, second, third, last_2,
     last_1, last
    default: first
 

-no-auto-extend-header (property: autoExtendHeader)
    If enabled, the header gets automatically extended if rows have more cells 
    than the header.
 

-text-columns <java.lang.String> (property: textColumns)
    The range of columns to treat as text; A range is a comma-separated list 
    of single 1-based indices or sub-ranges of indices ('start-end'); 'inv(..
    .)' inverts the range '...'; the following placeholders can be used as well:
     first, second, third, last_2, last_1, last
    default: 
 

Version:

$Revision: 6291 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Nested Class Summary

static class

ExcelSAXSpreadSheetReader.SheetHandler For reading a sheet from XML.

Nested classes/interfaces inherited from class adams.data.io.input.AbstractSpreadSheetReader

adams.data.io.input.AbstractSpreadSheetReader.InputType

Field Summary

Fields inherited from class adams.data.io.input.AbstractExcelSpreadSheetReader

m_AutoExtendHeader, m_SheetIndex, m_TextColumns

Fields inherited from class adams.data.io.input.AbstractSpreadSheetReaderWithMissingValueSupport

m_MissingValue

Fields inherited from class adams.data.io.input.AbstractSpreadSheetReader

m_DataRowType, m_Stopped

Fields inherited from class adams.core.option.AbstractOptionHandler

m_DebugLevel, m_OptionManager

Constructor Summary

ExcelSAXSpreadSheetReader()

Method Summary

protected adams.data.spreadsheet.SpreadSheet	doRead(File file) Reads the spreadsheet content from the specified file.
String	getFormatDescription() Returns a string describing the format (used in the file chooser).
String[]	getFormatExtensions() Returns the extension(s) of the format.
protected adams.data.io.input.AbstractSpreadSheetReader.InputType	getInputType() Returns how to read the data, from a file, stream or reader.
String	globalInfo() Returns a string describing the object.

Methods inherited from class adams.data.io.input.AbstractExcelSpreadSheetReader

autoExtendHeaderTipText, defineOptions, getAutoExtendHeader, getSheetIndex, getTextColumns, initialize, setAutoExtendHeader, setSheetIndex, setTextColumns, sheetIndexTipText, textColumnsTipText

Methods inherited from class adams.data.io.input.AbstractSpreadSheetReaderWithMissingValueSupport

getMissingValue, missingValueTipText, setMissingValue

Methods inherited from class adams.data.io.input.AbstractSpreadSheetReader

dataRowTypeTipText, doRead, doRead, getDataRowType, getReaders, read, read, read, read, setDataRowType, stopExecution

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, debug, debug, debugLevelTipText, destroy, finishInit, getDebugLevel, getOptionManager, isDebugOn, newOptionManager, reset, setDebugLevel, toCommandLine, toString

Methods inherited from class adams.core.ConsoleObject

getDebugging, getSystemErr, getSystemOut, sizeOf

Methods inherited from class java.lang.Object

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

Constructor Detail

ExcelSAXSpreadSheetReader

public ExcelSAXSpreadSheetReader()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in class adams.core.option.AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

getFormatDescription

public String getFormatDescription()

Returns a string describing the format (used in the file chooser).

Specified by:

getFormatDescription in class adams.data.io.input.AbstractSpreadSheetReader

Returns:

a description suitable for displaying in the file chooser

getFormatExtensions

public String[] getFormatExtensions()

Returns the extension(s) of the format.

Specified by:

getFormatExtensions in class adams.data.io.input.AbstractSpreadSheetReader

Returns:

the extension (without the dot!)

getInputType

protected adams.data.io.input.AbstractSpreadSheetReader.InputType getInputType()

Returns how to read the data, from a file, stream or reader.

Specified by:

getInputType in class adams.data.io.input.AbstractSpreadSheetReader

Returns:

how to read the data

doRead

protected adams.data.spreadsheet.SpreadSheet doRead(File file)

Reads the spreadsheet content from the specified file.

Overrides:

doRead in class adams.data.io.input.AbstractSpreadSheetReader

Parameters:

file - the file to read from

Returns:

the spreadsheet or null in case of an error