Package org.apache.xml.utils

Class StylesheetPIHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.apache.xml.utils.StylesheetPIHandler

All 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

Constructor Summary

Constructors

Constructor	Description
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

Modifier and Type	Method	Description
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, 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

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

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.

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.

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.

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 class 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(java.lang.String, java.lang.String), Associating Style Sheets with XML documents, Version 1.0

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 class DefaultHandler

Parameters:

namespaceURI - The Namespace URI, or an empty string.

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

qName - The qualified name (with prefix).

atts - The specified or defaulted attributes.

Throws:

StopParseException - since there can be no valid xml-stylesheet processing instructions past the first element.

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

ContentHandler.startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)

setBaseId

public void setBaseId(String baseId)

Added additional getter and setter methods for the Base Id to fix bugzilla bug 24187

getBaseId

public String getBaseId()