org.apache.xml.utils

Class StylesheetPIHandler

Implemented Interfaces:
ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class StylesheetPIHandler
extends DefaultHandler

Search for the xml-stylesheet processing instructions in an XML document.

See Also:
Associating Style Sheets with XML documents, Version 1.0

Nested Class Summary

Constructor Summary

StylesheetPIHandler(String baseID, String media, String title, String charset)
Construct a StylesheetPIHandler instance that will search for xml-stylesheet PIs based on the given criteria.

Method Summary

Source
getAssociatedStylesheet()
Return the last stylesheet found that match the constraints.
String
getBaseId()
URIResolver
getURIResolver()
Get the object that will be used to resolve URIs in href in xml-stylesheet processing instruction.
void
processingInstruction(String target, String data)
Handle the xml-stylesheet processing instruction.
void
setBaseId(String baseId)
Added additional getter and setter methods for the Base Id to fix bugzilla bug 24187
void
setURIResolver(URIResolver resolver)
Get the object that will be used to resolve URIs in href in xml-stylesheet processing instruction.
void
startElement(String namespaceURI, String localName, String qName, Attributes atts)
The spec notes that "The xml-stylesheet processing instruction is allowed only in the prolog of an XML document.", so, at least for right now, I'm going to go ahead an throw a TransformerException in order to stop the parse.

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

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

Constructor Details

StylesheetPIHandler

public StylesheetPIHandler(String baseID,
                           String media,
                           String title,
                           String charset)
Construct a StylesheetPIHandler instance that will search for xml-stylesheet PIs based on the given criteria.

Parameters:
baseID - The base ID of the XML document, needed to resolve relative IDs.
media - The desired media criteria.
title - The desired title criteria.
charset - The desired character set criteria.

Method Details

getAssociatedStylesheet

public Source getAssociatedStylesheet()
Return the last stylesheet found that match the constraints.

Returns:
Source object that references the last stylesheet reference that matches the constraints.


getBaseId

public String getBaseId()


getURIResolver

public URIResolver getURIResolver()
Get the object that will be used to resolve URIs in href in xml-stylesheet processing instruction.

Returns:
The URIResolver that was set with setURIResolver.


processingInstruction

public void processingInstruction(String target,
                                  String data)
            throws SAXException
Handle the xml-stylesheet processing instruction.
Specified by:
processingInstruction in interface ContentHandler
Overrides:
processingInstruction in interface DefaultHandler

Parameters:
target - The processing instruction target.
data - The processing instruction data, or null if none is supplied.

Throws:
SAXException - Any SAX exception, possibly wrapping another exception.

See Also:
ContentHandler.processingInstruction(String,String), Associating Style Sheets with XML documents, Version 1.0


setBaseId

public void setBaseId(String baseId)
Added additional getter and setter methods for the Base Id to fix bugzilla bug 24187


setURIResolver

public void setURIResolver(URIResolver resolver)
Get the object that will be used to resolve URIs in href in xml-stylesheet processing instruction.

Parameters:
resolver - An object that implements the URIResolver interface, or null.


startElement

public void startElement(String namespaceURI,
                         String localName,
                         String qName,
                         Attributes atts)
            throws SAXException
The spec notes that "The xml-stylesheet processing instruction is allowed only in the prolog of an XML document.", so, at least for right now, I'm going to go ahead an throw a TransformerException in order to stop the parse.
Specified by:
startElement in interface ContentHandler
Overrides:
startElement in interface DefaultHandler

Parameters:
localName - The local name (without prefix), or empty string if not namespace processing.


Copyright B) 2004 Apache XML Project. All Rights Reserved.