Package com.stardog.stark.io.turtle

Class TurtleParser

java.lang.Object

com.stardog.stark.io.turtle.TurtleParser

All Implemented Interfaces:

RDFParser

Direct Known Subclasses:

TrigParser

public class TurtleParser
extends Object
implements RDFParser

Default parser for the Turtle RDF syntax

Since:

1.0

Version:

1.0

Author:

Michael Grove, Arjohn Kampman

Implementation Notes:

This class is non-final due to reuse of the parser for TriG parsing

Constructor Summary

Constructors

Constructor	Description
TurtleParser()

Method Summary

Modifier and Type	Method	Description
RDFFormat	format()	The format this parser can parse
void	parse(InputStream theStream, RDFHandler theHandler, Options theOptions)	Parse the content
protected void	parseBase(IOParserContext theContext)
protected Resource	parseCollection(TurtleParserContext theContext)
protected boolean	parseDirective(TurtleParserContext theContext, String directive)
protected Statement	parseEmbeddedTriple(IOParserContext theContext)	Parse an embedded triple, allowing subsequent predicate-object pairs to annotate this statement.
protected Resource	parseImplicitBlank(TurtleParserContext theContext)
protected String	parseLongString(IOParserContext theContext, int closingCharacter)
protected BNode	parseNodeID(IOParserContext theContext)
protected Literal	parseNumber(IOParserContext theContext)
protected void	parseObject(TurtleParserContext theContext)
protected void	parseObjectList(TurtleParserContext theContext)
protected IRI	parsePredicate(IOParserContext theContext)
protected void	parsePredicateObjectList(TurtleParserContext theContext)
protected IRI	parsePredicateWithEdgeProperties(TurtleParserContext theContext)
protected void	parsePrefixID(IOParserContext theContext)
protected Value	parseQNameOrBoolean(IOParserContext theContext)
protected Literal	parseQuotedLiteral(IOParserContext theContext)
protected String	parseQuotedString(IOParserContext theContext)
protected void	parseStatement(TurtleParserContext theContext)
protected String	parseString(IOParserContext theContext, int closingCharacter)
protected void	parseSubject(TurtleParserContext theContext)
protected Resource	parseSubjectResource(IOParserContext theContext)
protected void	parseTriples(TurtleParserContext theContext)
protected IRI	parseURI(IOParserContext theContext)
protected Value	parseValue(IOParserContext theContext)
protected void	processComment(IOParserContext theContext)
protected int	skipWSC(IOParserContext theContext)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.stardog.stark.io.RDFParser

parse

Constructor Details

TurtleParser

public TurtleParser()

Method Details

format

@Nonnull
public RDFFormat format()

The format this parser can parse

Specified by:

format in interface RDFParser

Returns:

the format

parse

public void parse(@Nonnull
 InputStream theStream,
 @Nonnull
 RDFHandler theHandler,
 @Nonnull
 Options theOptions)
           throws IOException

Parse the content

Specified by:

parse in interface RDFParser

Parameters:

theStream - the stream to read from

theHandler - the handler to pass parse events to

theOptions - the parsing options

Throws:

IOException - if there was an error while reading from the stream

parseStatement

protected void parseStatement(TurtleParserContext theContext)
                       throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parseTriples

protected void parseTriples(@Nonnull
 TurtleParserContext theContext)
                     throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parseEmbeddedTriple

protected Statement parseEmbeddedTriple(IOParserContext theContext)
                                 throws IOException,
InvalidRDF,
RDFHandlerException

Parse an embedded triple, allowing subsequent predicate-object pairs to annotate this statement.

Returns:

the Statement found.

Throws:

IOException

InvalidRDF

RDFHandlerException

parsePredicateObjectList

protected void parsePredicateObjectList(@Nonnull
 TurtleParserContext theContext)
                                 throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parsePredicateWithEdgeProperties

protected IRI parsePredicateWithEdgeProperties(@Nonnull
 TurtleParserContext theContext)
                                        throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parsePredicate

protected IRI parsePredicate(@Nonnull
 IOParserContext theContext)
                      throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseObjectList

protected void parseObjectList(@Nonnull
 TurtleParserContext theContext)
                        throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parseSubject

protected void parseSubject(@Nonnull
 TurtleParserContext theContext)
                     throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parseSubjectResource

protected Resource parseSubjectResource(@Nonnull
 IOParserContext theContext)
                                 throws IOException

Throws:

IOException

parseObject

protected void parseObject(@Nonnull
 TurtleParserContext theContext)
                    throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parseCollection

protected Resource parseCollection(@Nonnull
 TurtleParserContext theContext)
                            throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parseImplicitBlank

protected Resource parseImplicitBlank(@Nonnull
 TurtleParserContext theContext)
                               throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parseValue

protected Value parseValue(@Nonnull
 IOParserContext theContext)
                    throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseURI

protected IRI parseURI(@Nonnull
 IOParserContext theContext)
                throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseQNameOrBoolean

protected Value parseQNameOrBoolean(@Nonnull
 IOParserContext theContext)
                             throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseNodeID

protected BNode parseNodeID(@Nonnull
 IOParserContext theContext)
                     throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseQuotedLiteral

protected Literal parseQuotedLiteral(@Nonnull
 IOParserContext theContext)
                              throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseQuotedString

protected String parseQuotedString(@Nonnull
 IOParserContext theContext)
                            throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseString

protected String parseString(@Nonnull
 IOParserContext theContext,
 int closingCharacter)
                      throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseLongString

protected String parseLongString(@Nonnull
 IOParserContext theContext,
 int closingCharacter)
                          throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseNumber

protected Literal parseNumber(@Nonnull
 IOParserContext theContext)
                       throws IOException,
InvalidRDF

Throws:

IOException

InvalidRDF

parseDirective

protected boolean parseDirective(TurtleParserContext theContext,
 String directive)
                          throws IOException

Throws:

IOException

parsePrefixID

protected void parsePrefixID(@Nonnull
 IOParserContext theContext)
                      throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

parseBase

protected void parseBase(@Nonnull
 IOParserContext theContext)
                  throws IOException,
InvalidRDF,
RDFHandlerException

Throws:

IOException

InvalidRDF

RDFHandlerException

skipWSC

protected int skipWSC(IOParserContext theContext)
               throws RDFHandlerException,
IOException

Throws:

RDFHandlerException

IOException

processComment

protected void processComment(IOParserContext theContext)
                       throws RDFHandlerException,
IOException

Throws:

RDFHandlerException

IOException