adams.data.io.input
Class ExcelSAXSpreadSheetReader.SheetHandler

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

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Enclosing class:

ExcelSAXSpreadSheetReader

public static class ExcelSAXSpreadSheetReader.SheetHandler
extends org.xml.sax.helpers.DefaultHandler

For reading a sheet from XML.

Version:

$Revision: 6291 $

Author:

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

Field Summary

protected adams.data.spreadsheet.Cell.ContentType	m_ContentType what type the current cell is.
protected StringBuilder	m_LastContents the assembled cell content.
protected ExcelSAXSpreadSheetReader	m_Owner the reader this handler belongs to.
protected String	m_Reference the cell reference.
protected adams.data.spreadsheet.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 HashSet<String>	m_UnhandledCellTypes for caching unhandled cell types.

Constructor Summary

ExcelSAXSpreadSheetReader.SheetHandler(ExcelSAXSpreadSheetReader owner, adams.data.spreadsheet.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.
void	startElement(String uri, String localName, String name, Attributes attributes) Receive notification of the start of an element.

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 ExcelSAXSpreadSheetReader m_Owner

the reader this handler belongs to.

m_Sheet

protected adams.data.spreadsheet.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 adams.data.spreadsheet.Cell.ContentType m_ContentType

what type the current cell is.

m_Reference

protected String m_Reference

the cell reference.

m_UnhandledCellTypes

protected HashSet<String> m_UnhandledCellTypes

for caching unhandled cell types.

Constructor Detail

ExcelSAXSpreadSheetReader.SheetHandler

public ExcelSAXSpreadSheetReader.SheetHandler(ExcelSAXSpreadSheetReader owner,
                                              adams.data.spreadsheet.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.