adams.data.io.input
Class ExcelStreamingSpreadSheetReader.SheetHandler

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      adams.data.io.input.ExcelStreamingSpreadSheetReader.SheetHandler

All Implemented Interfaces:

Stoppable, ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Enclosing class:

ExcelStreamingSpreadSheetReader

public static class ExcelStreamingSpreadSheetReader.SheetHandler
extends org.xml.sax.helpers.DefaultHandler
implements Stoppable

For reading a sheet from XML.

Version:

$Revision: 7064 $

Author:

Apache Foundation (POI), fracpete (fracpete at waikato dot ac dot nz)

Field Summary

protected HashMap<String,Cell.ContentType>	m_CellStrings the cell-strings.
protected HashMap<String,Cell.ContentType>	m_CellTypes the cell-types.
protected Cell.ContentType	m_ContentType what type the current cell is.
protected StringBuilder	m_LastContents the assembled cell content.
protected ExcelStreamingSpreadSheetReader	m_Owner the reader this handler belongs to.
protected String	m_Reference the cell reference.
protected SpreadSheet	m_Sheet the spreadsheet to add the content to.
protected org.apache.poi.xssf.model.SharedStringsTable	m_SST the table for shared strings.
protected boolean	m_Stopped whether the parsing was stopped.
protected HashSet<String>	m_UnknownCellStrings the unknown cell-strings.
protected HashSet<String>	m_UnknownCellTypes the unknown cell-types.

Constructor Summary

ExcelStreamingSpreadSheetReader.SheetHandler(ExcelStreamingSpreadSheetReader owner, SpreadSheet sheet, org.apache.poi.xssf.model.SharedStringsTable sst)
Initializes the SAX handler.

Method Summary

void	characters(char[] ch, int start, int length) Receive notification of character data inside an element.
void	endElement(String uri, String localName, String name) Receive notification of the end of an element.
HashSet<String>	getUnknownCellStrings() Returns the unknown cell strings that were encountered.
HashSet<String>	getUnknownCellTypes() Returns the unknown cell types that were encountered.
void	startElement(String uri, String localName, String name, Attributes attributes) Receive notification of the start of an element.
void	stopExecution() Stops the parsing.

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Field Detail

m_Owner

protected ExcelStreamingSpreadSheetReader m_Owner

the reader this handler belongs to.

m_Sheet

protected SpreadSheet m_Sheet

the spreadsheet to add the content to.

m_SST

protected org.apache.poi.xssf.model.SharedStringsTable m_SST

the table for shared strings.

m_LastContents

protected StringBuilder m_LastContents

the assembled cell content.

m_ContentType

protected Cell.ContentType m_ContentType

what type the current cell is.

m_Reference

protected String m_Reference

the cell reference.

m_Stopped

protected boolean m_Stopped

whether the parsing was stopped.

m_CellTypes

protected HashMap<String,Cell.ContentType> m_CellTypes

the cell-types.

m_CellStrings

protected HashMap<String,Cell.ContentType> m_CellStrings

the cell-strings.

m_UnknownCellTypes

protected HashSet<String> m_UnknownCellTypes

the unknown cell-types.

m_UnknownCellStrings

protected HashSet<String> m_UnknownCellStrings

the unknown cell-strings.

Constructor Detail

ExcelStreamingSpreadSheetReader.SheetHandler

public ExcelStreamingSpreadSheetReader.SheetHandler(ExcelStreamingSpreadSheetReader owner,
                                                    SpreadSheet sheet,
                                                    org.apache.poi.xssf.model.SharedStringsTable sst)

Initializes the SAX handler.

Parameters:

owner - the reader this handler belongs to

sheet - the spreadsheet to add the content to

sst - the table for shared strings

Method Detail

startElement

public void startElement(String uri,
                         String localName,
                         String name,
                         Attributes attributes)
                  throws SAXException

Receive notification of the start of an element.

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Parameters:

uri - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.

localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.

qName - The qualified name (with prefix), or the empty string if qualified names are not available.

attributes - The attributes attached to the element. If there are no attributes, it shall be an empty Attributes object.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

endElement

public void endElement(String uri,
                       String localName,
                       String name)
                throws SAXException

Receive notification of the end of an element.

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

Parameters:

uri - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.

localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.

qName - The qualified name (with prefix), or the empty string if qualified names are not available.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws SAXException

Receive notification of character data inside an element.

By default, do nothing. Application writers may override this method to take specific actions for each chunk of character data (such as adding the data to a node or buffer, or printing it to a file).

Specified by:

characters in interface ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

Parameters:

ch - The characters.

start - The start position in the character array.

length - The number of characters to use from the character array.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

stopExecution

public void stopExecution()

Stops the parsing.

Specified by:

stopExecution in interface Stoppable

getUnknownCellTypes

public HashSet<String> getUnknownCellTypes()

Returns the unknown cell types that were encountered.

Returns:

the cell types

getUnknownCellStrings

public HashSet<String> getUnknownCellStrings()

Returns the unknown cell strings that were encountered.

Returns:

the cell strings