Package dev.amp.validator

Class AMPHtmlHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

dev.amp.validator.AMPHtmlHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class AMPHtmlHandler
extends DefaultHandler

Validation handler which accepts callbacks from HTML parser.

Author:

nhant01, GeorgeLuo

Constructor Summary

Constructors

Constructor	Description
AMPHtmlHandler(AMPValidatorManager validatorManager, dev.amp.validator.ValidatorProtos.HtmlFormat.Code htmlFormat, ExitCondition condition, int maxNodesAllowed, int docByteSize)	Creates an AMPHtmlHandler.

Method Summary

Modifier and Type	Method	Description
void	cdata(String text)	Callback for cdata.
void	characters(char[] ch, int start, int length)	Processing character data inside an element.
void	emitMissingExtensionErrors()	While parsing the document HEAD, we may accumulate errors which depend on seeing later extension script tags.
void	endDocument()	Processing the end of the document.
void	endElement(String uri, String localName, String qName)	Processing the end of an element.
void	setDocumentLocator(Locator locator)	Receive a Locator object for document events.
void	startDocument()	Processing the beginning of the document.
void	startElement(String uri, String localName, String qName, Attributes attributes)	Processing the start of an element.
dev.amp.validator.ValidatorProtos.ValidationResult.Builder	validationResult()	Returns the validation result.

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

endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Constructor Detail

AMPHtmlHandler

public AMPHtmlHandler(@Nonnull
                      AMPValidatorManager validatorManager,
                      @Nonnull
                      dev.amp.validator.ValidatorProtos.HtmlFormat.Code htmlFormat,
                      @Nonnull
                      ExitCondition condition,
                      int maxNodesAllowed,
                      int docByteSize)

Creates an AMPHtmlHandler.

Parameters:

validatorManager - the validator manager instance.

htmlFormat - HtmlFormat code.

condition - exit condition.

maxNodesAllowed - max nodes allowed.

docByteSize - length of html document.

Method Detail

startDocument

public void startDocument()
                   throws SAXException

Processing the beginning of the document.

Specified by:

startDocument in interface ContentHandler

Overrides:

startDocument in class DefaultHandler

Throws:

SAXException - Any SAX exception.

endDocument

public void endDocument()
                 throws SAXException

Processing the end of the document.

Specified by:

endDocument in interface ContentHandler

Overrides:

endDocument in class DefaultHandler

Throws:

SAXException - Any SAX exception.

startElement

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

Processing the start of an element.

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Parameters:

uri - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.

localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.

qName - The qualified name (with prefix), or the empty string if qualified names are not available.

attributes - The attributes attached to the element. If there are no attributes, it shall be an empty Attributes object.

Throws:

SAXException - Any SAX exception

endElement

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

Processing the end of an element.

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Parameters:

uri - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.

localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.

qName - The qualified name (with prefix), or the empty string if qualified names are not available.

setDocumentLocator

public void setDocumentLocator(@Nonnull
                               Locator locator)

Receive a Locator object for document events.

Specified by:

setDocumentLocator in interface ContentHandler

Overrides:

setDocumentLocator in class DefaultHandler

Parameters:

locator - A locator for all SAX document events.

validationResult

public dev.amp.validator.ValidatorProtos.ValidationResult.Builder validationResult()

Returns the validation result.

Returns:

returns the validation result.

emitMissingExtensionErrors

public void emitMissingExtensionErrors()

While parsing the document HEAD, we may accumulate errors which depend on seeing later extension script tags.

cdata

public void cdata(@Nonnull
                  String text)
           throws TagValidationException,
                  CssValidationException,
                  IOException

Callback for cdata.

Parameters:

text - the css content to validate

Throws:

TagValidationException - tag validation exception.

CssValidationException - css validation exception.

IOException - IO exception.

characters

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

Processing character data inside an element.

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Parameters:

ch - The characters.

start - The start position in the character array.

length - The number of characters to use from the character array.