crawlercommons.sitemaps.sax

Class DelegatorHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

crawlercommons.sitemaps.sax.DelegatorHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class DelegatorHandler
extends org.xml.sax.helpers.DefaultHandler

Provides a base SAX handler for parsing of XML documents representing sub-classes of AbstractSiteMap.

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,Extension>	extensionNamespaces
protected java.util.function.Function<String,String>	urlFilter

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DelegatorHandler(LinkedList<String> elementStack, boolean strict)
	DelegatorHandler(URL url, boolean strict)

Method Summary

Modifier and Type	Method and Description
protected void	appendCharacterBuffer(char[] ch, int start, int length)
protected void	appendCharacterBuffer(String str)
void	characters(char[] ch, int start, int length)
protected String	currentElement()
protected String	currentElementParent()
void	endElement(String uri, String localName, String qName)
void	error(SAXParseException e)
void	fatalError(SAXParseException e)
protected String	getAndResetCharacterBuffer()
UnknownFormatException	getException()
AbstractSiteMap	getSiteMap()
protected URL	getUrl()
protected boolean	isAcceptedNamespace(String uri)
static boolean	isAllBlank(CharSequence charSeq) Return true if character sequence contains only white space including Unicode whitespace, cf.
protected boolean	isExtensionNamespace(String uri)
protected boolean	isStrict()
protected boolean	isStrictNamespace()
static boolean	isWhitespace(char c) Check whether character is any Unicode whitespace, including the space characters not covered by Character.isWhitespace(char)
protected void	resetCharacterBuffer()
void	setAcceptedNamespaces(Set<String> acceptedSet)
protected void	setException(UnknownFormatException exception)
void	setExtensionNamespaces(Map<String,Extension> extensionMap)
void	setStrictNamespace(boolean s)
void	setURLFilter(java.util.function.Function<String,String> urlFilter)
void	startElement(String uri, String localName, String qName, Attributes attributes)
static String	stripAllBlank(CharSequence charSeq) Trim all whitespace including Unicode whitespace

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

endDocument, endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, 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

Field Detail

extensionNamespaces

protected Map<String,Extension> extensionNamespaces

urlFilter

protected java.util.function.Function<String,String> urlFilter

Constructor Detail

DelegatorHandler

protected DelegatorHandler(LinkedList<String> elementStack,
                           boolean strict)

DelegatorHandler

public DelegatorHandler(URL url,
                        boolean strict)

Method Detail

getUrl

protected URL getUrl()

isStrict

protected boolean isStrict()

isStrictNamespace

protected boolean isStrictNamespace()

setStrictNamespace

public void setStrictNamespace(boolean s)

setAcceptedNamespaces

public void setAcceptedNamespaces(Set<String> acceptedSet)

isAcceptedNamespace

protected boolean isAcceptedNamespace(String uri)

setExtensionNamespaces

public void setExtensionNamespaces(Map<String,Extension> extensionMap)

isExtensionNamespace

protected boolean isExtensionNamespace(String uri)

setURLFilter

public void setURLFilter(java.util.function.Function<String,String> urlFilter)

setException

protected void setException(UnknownFormatException exception)

getException

public UnknownFormatException getException()

startElement

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

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

endElement

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

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

characters

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

Specified by:

characters in interface ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

appendCharacterBuffer

protected void appendCharacterBuffer(char[] ch,
                                     int start,
                                     int length)

appendCharacterBuffer

protected void appendCharacterBuffer(String str)

getAndResetCharacterBuffer

protected String getAndResetCharacterBuffer()

resetCharacterBuffer

protected void resetCharacterBuffer()

currentElement

protected String currentElement()

currentElementParent

protected String currentElementParent()

getSiteMap

public AbstractSiteMap getSiteMap()

error

public void error(SAXParseException e)
           throws SAXException

Specified by:

error in interface ErrorHandler

Overrides:

error in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

fatalError

public void fatalError(SAXParseException e)
                throws SAXException

Specified by:

fatalError in interface ErrorHandler

Overrides:

fatalError in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

isAllBlank

public static boolean isAllBlank(CharSequence charSeq)

Return true if character sequence contains only white space including Unicode whitespace, cf. isWhitespace(char)

isWhitespace

public static boolean isWhitespace(char c)

Check whether character is any Unicode whitespace, including the space characters not covered by Character.isWhitespace(char)

stripAllBlank

public static String stripAllBlank(CharSequence charSeq)

Trim all whitespace including Unicode whitespace