Package org.apache.taglibs.standard.extra.spath

Class SPathFilter

java.lang.Object

org.xml.sax.helpers.XMLFilterImpl

org.apache.taglibs.standard.extra.spath.SPathFilter

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler, XMLFilter, XMLReader

public class SPathFilter
extends XMLFilterImpl

Filters a SAX stream based on a single supplied SPath expression.

Author:

Shawn Bayern

Field Summary

Fields

Modifier and Type	Field	Description
protected List<Step>	steps	The steps in the SPath expression we use for filtering.

Constructor Summary

Constructors

Constructor	Description
SPathFilter(Path path)	Constructs a new SPathFilter, given a Path.

Method Summary

Modifier and Type	Method	Description
void	characters(char[] ch, int start, int length)	Filter for characters().
void	endElement(String uri, String localName, String qName)	Filter for endElement().
void	endPrefixMapping(String prefix)	Filter for endPrefixMapping().
void	ignorableWhitespace(char[] ch, int start, int length)	Filter for ignoreableWhitespace().
static boolean	nodeMatchesStep(Step s, String uri, String localName, String qName, Attributes a)
void	processingInstruction(String target, String data)	Filter for processingInstruction().
void	skippedEntity(String name)	Filter for skippedEntity().
void	startDocument()	Resets state.
void	startElement(String uri, String localName, String qName, Attributes a)	Filter for startElement().
void	startPrefixMapping(String prefix, String uri)	Filter for startPrefixMapping().

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

endDocument, error, fatalError, getContentHandler, getDTDHandler, getEntityResolver, getErrorHandler, getFeature, getParent, getProperty, notationDecl, parse, parse, resolveEntity, setContentHandler, setDocumentLocator, setDTDHandler, setEntityResolver, setErrorHandler, setFeature, setParent, setProperty, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Field Detail

steps

protected List<Step> steps

The steps in the SPath expression we use for filtering.

Constructor Detail

SPathFilter

public SPathFilter(Path path)

Constructs a new SPathFilter, given a Path.

Method Detail

startElement

public void startElement(String uri,
                         String localName,
                         String qName,
                         Attributes a)
                  throws SAXException

Filter for startElement().

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class XMLFilterImpl

Throws:

SAXException

endElement

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

Filter for endElement().

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class XMLFilterImpl

Throws:

SAXException

ignorableWhitespace

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

Filter for ignoreableWhitespace().

Specified by:

ignorableWhitespace in interface ContentHandler

Overrides:

ignorableWhitespace in class XMLFilterImpl

Throws:

SAXException

characters

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

Filter for characters().

Specified by:

characters in interface ContentHandler

Overrides:

characters in class XMLFilterImpl

Throws:

SAXException

startPrefixMapping

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

Filter for startPrefixMapping().

Specified by:

startPrefixMapping in interface ContentHandler

Overrides:

startPrefixMapping in class XMLFilterImpl

Throws:

SAXException

endPrefixMapping

public void endPrefixMapping(String prefix)
                      throws SAXException

Filter for endPrefixMapping().

Specified by:

endPrefixMapping in interface ContentHandler

Overrides:

endPrefixMapping in class XMLFilterImpl

Throws:

SAXException

processingInstruction

public void processingInstruction(String target,
                                  String data)
                           throws SAXException

Filter for processingInstruction().

Specified by:

processingInstruction in interface ContentHandler

Overrides:

processingInstruction in class XMLFilterImpl

Throws:

SAXException

skippedEntity

public void skippedEntity(String name)
                   throws SAXException

Filter for skippedEntity().

Specified by:

skippedEntity in interface ContentHandler

Overrides:

skippedEntity in class XMLFilterImpl

Throws:

SAXException

startDocument

public void startDocument()

Resets state.

Specified by:

startDocument in interface ContentHandler

Overrides:

startDocument in class XMLFilterImpl

nodeMatchesStep

public static boolean nodeMatchesStep(Step s,
                                      String uri,
                                      String localName,
                                      String qName,
                                      Attributes a)