com.mattunderscore.filter.contentnegotiation.variantsource

Class VariantXMLParser

java.lang.Object

org.xml.sax.helpers.DefaultHandler

com.mattunderscore.filter.contentnegotiation.variantsource.VariantSAXHandler

com.mattunderscore.filter.contentnegotiation.variantsource.VariantXMLParser

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public final class VariantXMLParser
extends VariantSAXHandler

Parser for the Negotiation XML file.

It is not intended to be called directly. This parser is called by FilterVariantXMLSource and that should be used to get variants from an XML file. This returns the schema "http://www.mattunderscore.com/schema/negotiation.xsd".

Since:

0.2.0

Author:

Matt Champion

Constructor Summary

Constructors

Constructor and Description
VariantXMLParser()

Method Summary

Modifier and Type	Method and Description
void	characters(char[] chars, int start, int length)
void	endElement(String prefix, String localName, String qualifiedName)
void	error(SAXParseException exception)
void	fatalError(SAXParseException exception)
Schema	getSchema() Return the schema that will be used by the BaseVariantXMLSource to verify the XML input.
List<Variant>	getVariants() Returns the variants created by the parser.
void	startElement(String s, String s1, String elementName, Attributes attributes)
void	warning(SAXParseException exception)

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

endDocument, endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object

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

Constructor Detail

VariantXMLParser

public VariantXMLParser()

Method Detail

startElement

public void startElement(String s,
                         String s1,
                         String elementName,
                         Attributes attributes)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Throws:

SAXException

endElement

public void endElement(String prefix,
                       String localName,
                       String qualifiedName)
                throws SAXException

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Throws:

SAXException

characters

public void characters(char[] chars,
                       int start,
                       int length)

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

getVariants

public List<Variant> getVariants()

Description copied from class: VariantSAXHandler

Returns the variants created by the parser.

Specified by:

getVariants in class VariantSAXHandler

Returns:

List of variants

error

public void error(SAXParseException exception)
           throws SAXParseException

Specified by:

error in interface ErrorHandler

Overrides:

error in class DefaultHandler

Throws:

SAXParseException

fatalError

public void fatalError(SAXParseException exception)
                throws SAXParseException

Specified by:

fatalError in interface ErrorHandler

Overrides:

fatalError in class DefaultHandler

Throws:

SAXParseException

warning

public void warning(SAXParseException exception)
             throws SAXParseException

Specified by:

warning in interface ErrorHandler

Overrides:

warning in class DefaultHandler

Throws:

SAXParseException

getSchema

public Schema getSchema()
                 throws NoSchemaException

Description copied from class: VariantSAXHandler

Return the schema that will be used by the BaseVariantXMLSource to verify the XML input. This method should throw a NoSchemaException if no validation is required.

Overrides:

getSchema in class VariantSAXHandler

Returns:

The XML Schema

Throws:

NoSchemaException - Exception thrown if no schema is available