Package com.topologi.diffx.load

Class SAXRecorder.RecorderHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

com.topologi.diffx.load.SAXRecorder.RecorderHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Enclosing class:

SAXRecorder

private final class SAXRecorder.RecorderHandler
extends DefaultHandler

A SAX2 handler that records XML events.

This class is an inner class as there is no reason to expose its method to the public API.

Version:

27 April 2005

Field Summary

Fields

Modifier and Type	Field	Description
private final StringBuffer	ch	A buffer for character data.
private final AttributeComparator	comparator	The comparator in order to sort attribute correctly.
private int	currentWeight	The weight of the current element.
private EventFactory	efactory	The factory that will produce events according to the configuration.
private List<OpenElementEvent>	openElements	The last open element event, should only contain OpenElementEvents.
private TextTokenizer	tokenizer	The text tokenizer according to the configuration.
private List<Integer>	weights	The stack of weight, should only contain Integer.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RecorderHandler()

Method Summary

Modifier and Type	Method	Description
void	characters(char[] buf, int pos, int len)
void	endDocument()
void	endElement(String uri, String localName, String qName)
private void	handleAttributes(Attributes atts)	Handles the attributes, will add them to the sequence in order if any.
void	ignorableWhitespace(char[] buf1, int pos, int len)
private OpenElementEvent	popLastOpenElement()	Returns the last open element and remove it from the stack.
private int	popWeight()	Returns the last weight and remove it from the stack.
void	processingInstruction(String target, String data)
private void	recordCharacters()	Records the characters which are in the buffer.
void	startDocument()
void	startElement(String uri, String localName, String qName, Attributes atts)
void	startPrefixMapping(String prefix, String uri)

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

endPrefixMapping, error, fatalError, notationDecl, resolveEntity, setDocumentLocator, skippedEntity, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.xml.sax.ContentHandler

declaration

Field Details

ch

private final StringBuffer ch

A buffer for character data.

comparator

private final AttributeComparator comparator

The comparator in order to sort attribute correctly.

currentWeight

private transient int currentWeight

The weight of the current element.

openElements

private transient List<OpenElementEvent> openElements

The last open element event, should only contain OpenElementEvents.

weights

private transient List<Integer> weights

The stack of weight, should only contain Integer.

efactory

private transient EventFactory efactory

The factory that will produce events according to the configuration.

tokenizer

private transient TextTokenizer tokenizer

The text tokenizer according to the configuration.

Constructor Details

RecorderHandler

private RecorderHandler()

Method Details

startDocument

public void startDocument()

Specified by:

startDocument in interface ContentHandler

Overrides:

startDocument in class DefaultHandler

See Also:

• ContentHandler.startDocument()

startPrefixMapping

public void startPrefixMapping(String prefix,
 String uri)
                        throws SAXException

Specified by:

startPrefixMapping in interface ContentHandler

Overrides:

startPrefixMapping in class DefaultHandler

Throws:

SAXException

startElement

public void startElement(String uri,
 String localName,
 String qName,
 Attributes atts)

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

endElement

public void endElement(String uri,
 String localName,
 String qName)

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

characters

public void characters(char[] buf,
 int pos,
 int len)

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

ignorableWhitespace

public void ignorableWhitespace(char[] buf1,
 int pos,
 int len)

Specified by:

ignorableWhitespace in interface ContentHandler

Overrides:

ignorableWhitespace in class DefaultHandler

processingInstruction

public void processingInstruction(String target,
 String data)

Specified by:

processingInstruction in interface ContentHandler

Overrides:

processingInstruction in class DefaultHandler

endDocument

public void endDocument()
                 throws SAXException

Specified by:

endDocument in interface ContentHandler

Overrides:

endDocument in class DefaultHandler

Throws:

SAXException

recordCharacters

private void recordCharacters()

Records the characters which are in the buffer.

popLastOpenElement

private OpenElementEvent popLastOpenElement()

Returns the last open element and remove it from the stack.

Returns:

The last open element.

popWeight

private int popWeight()

Returns the last weight and remove it from the stack.

Returns:

The weight on top of the stack.

handleAttributes

private void handleAttributes(Attributes atts)

Handles the attributes, will add them to the sequence in order if any.

Parameters:

atts - The attributes to handle.