org.semarglproject.rdf.rdfa

Class RdfaParser

java.lang.Object

org.semarglproject.sink.Pipe<TripleSink>

org.semarglproject.rdf.rdfa.RdfaParser

All Implemented Interfaces:

ProcessorGraphHandler, DataSink, TripleSink, XmlSink, ContentHandler, LexicalHandler

public final class RdfaParser
extends Pipe<TripleSink>
implements XmlSink, TripleSink, ProcessorGraphHandler

Implementation of streaming RDFa (1.0 and 1.1) parser. Supports HTML4, HTML5, XHTML1, XHTML5, XML and SVG inputs. Provides RDFa version and document syntax autodetection.

List of supported options:

• RDFA_VERSION_PROPERTY
• StreamProcessor.PROCESSOR_GRAPH_HANDLER_PROPERTY
• ENABLE_OUTPUT_GRAPH
• ENABLE_PROCESSOR_GRAPH
• ENABLE_VOCAB_EXPANSION

Field Summary

Fields

Modifier and Type	Field and Description
static String	ENABLE_OUTPUT_GRAPH Used as a key with Pipe.setProperty(String, Object) method.
static String	ENABLE_PROCESSOR_GRAPH Used as a key with Pipe.setProperty(String, Object) method.
static String	ENABLE_VOCAB_EXPANSION Used as a key with Pipe.setProperty(String, Object) method.
static String	RDFA_VERSION_PROPERTY Used as a key with Pipe.setProperty(String, Object) method.

Fields inherited from class org.semarglproject.sink.Pipe

sink

Method Summary

Methods

Modifier and Type	Method and Description
void	addNonLiteral(String subj, String pred, String obj)
void	addPlainLiteral(String subj, String pred, String content, String lang)
void	addTypedLiteral(String subj, String pred, String content, String type)
void	characters(char[] buffer, int start, int length)
void	comment(char[] chars, int i, int i1)
static XmlSink	connect(TripleSink sink) Creates instance of RdfaParser connected to specified sink
void	endCDATA()
void	endDocument()
void	endDTD()
void	endElement(String nsUri, String localName, String qName)
void	endEntity(String s)
void	endPrefixMapping(String prefix)
void	error(String errorClass, String message)
void	ignorableWhitespace(char[] ch, int start, int length)
void	info(String infoClass, String message)
ParseException	processException(SAXException e)
void	processingInstruction(String target, String data)
void	setBaseUri(String baseUri)
void	setDocumentLocator(Locator locator)
boolean	setPropertyInternal(String key, Object value)
void	skippedEntity(String name)
void	startCDATA()
void	startDocument()
void	startDTD(String name, String publicId, String systemId)
void	startElement(String nsUri, String localName, String qName, Attributes attrs)
void	startEntity(String s)
void	startPrefixMapping(String prefix, String uri)
void	warning(String warningClass, String message)

Methods inherited from class org.semarglproject.sink.Pipe

endStream, setProperty, startStream

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.semarglproject.sink.DataSink

endStream, setProperty, startStream

Field Detail

RDFA_VERSION_PROPERTY

public static final String RDFA_VERSION_PROPERTY

Used as a key with Pipe.setProperty(String, Object) method. RDFa version compatibility. Allowed values are RDFa.VERSION_10 and RDFa.VERSION_11.

See Also:

Constant Field Values

ENABLE_OUTPUT_GRAPH

public static final String ENABLE_OUTPUT_GRAPH

Used as a key with Pipe.setProperty(String, Object) method. Enables or disables generation of triples from output graph.

See Also:

Constant Field Values

ENABLE_PROCESSOR_GRAPH

public static final String ENABLE_PROCESSOR_GRAPH

Used as a key with Pipe.setProperty(String, Object) method. Enables or disables generation of triples from processor graph. ProcessorGraphHandler will receive events regardless of this option.

See Also:

Constant Field Values

ENABLE_VOCAB_EXPANSION

public static final String ENABLE_VOCAB_EXPANSION

Used as a key with Pipe.setProperty(String, Object) method. Enables or disables vocabulary expansion feature.

See Also:

Constant Field Values

Method Detail

connect

public static XmlSink connect(TripleSink sink)

Creates instance of RdfaParser connected to specified sink

Parameters:

sink - sink to be connected to

Returns:

instance of RdfaParser

startDocument

public void startDocument()

Specified by:

startDocument in interface ContentHandler

endDocument

public void endDocument()
                 throws SAXException

Specified by:

endDocument in interface ContentHandler

Throws:

SAXException

startElement

public void startElement(String nsUri,
                String localName,
                String qName,
                Attributes attrs)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Throws:

SAXException

endElement

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

Specified by:

endElement in interface ContentHandler

Throws:

SAXException

characters

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

Specified by:

characters in interface ContentHandler

Throws:

SAXException

ignorableWhitespace

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

Specified by:

ignorableWhitespace in interface ContentHandler

Throws:

SAXException

startDTD

public void startDTD(String name,
            String publicId,
            String systemId)
              throws SAXException

Specified by:

startDTD in interface LexicalHandler

Throws:

SAXException

startPrefixMapping

public void startPrefixMapping(String prefix,
                      String uri)
                        throws SAXException

Specified by:

startPrefixMapping in interface ContentHandler

Throws:

SAXException

endPrefixMapping

public void endPrefixMapping(String prefix)
                      throws SAXException

Specified by:

endPrefixMapping in interface ContentHandler

Throws:

SAXException

setPropertyInternal

public boolean setPropertyInternal(String key,
                          Object value)

Specified by:

setPropertyInternal in class Pipe<TripleSink>

setBaseUri

public void setBaseUri(String baseUri)

Specified by:

setBaseUri in interface DataSink

info

public void info(String infoClass,
        String message)

Specified by:

info in interface ProcessorGraphHandler

warning

public void warning(String warningClass,
           String message)

Specified by:

warning in interface ProcessorGraphHandler

error

public void error(String errorClass,
         String message)

Specified by:

error in interface ProcessorGraphHandler

processException

public ParseException processException(SAXException e)

Specified by:

processException in interface XmlSink

addNonLiteral

public void addNonLiteral(String subj,
                 String pred,
                 String obj)

Specified by:

addNonLiteral in interface TripleSink

addPlainLiteral

public void addPlainLiteral(String subj,
                   String pred,
                   String content,
                   String lang)

Specified by:

addPlainLiteral in interface TripleSink

addTypedLiteral

public void addTypedLiteral(String subj,
                   String pred,
                   String content,
                   String type)

Specified by:

addTypedLiteral in interface TripleSink

setDocumentLocator

public void setDocumentLocator(Locator locator)

Specified by:

setDocumentLocator in interface ContentHandler

processingInstruction

public void processingInstruction(String target,
                         String data)
                           throws SAXException

Specified by:

processingInstruction in interface ContentHandler

Throws:

SAXException

skippedEntity

public void skippedEntity(String name)
                   throws SAXException

Specified by:

skippedEntity in interface ContentHandler

Throws:

SAXException

startEntity

public void startEntity(String s)
                 throws SAXException

Specified by:

startEntity in interface LexicalHandler

Throws:

SAXException

endEntity

public void endEntity(String s)
               throws SAXException

Specified by:

endEntity in interface LexicalHandler

Throws:

SAXException

startCDATA

public void startCDATA()
                throws SAXException

Specified by:

startCDATA in interface LexicalHandler

Throws:

SAXException

endCDATA

public void endCDATA()
              throws SAXException

Specified by:

endCDATA in interface LexicalHandler

Throws:

SAXException

comment

public void comment(char[] chars,
           int i,
           int i1)
             throws SAXException

Specified by:

comment in interface LexicalHandler

Throws:

SAXException

endDTD

public void endDTD()
            throws SAXException

Specified by:

endDTD in interface LexicalHandler

Throws:

SAXException