Package org.eclipse.rdf4j.rio.ntriples

Class NTriplesParser

java.lang.Object

org.eclipse.rdf4j.rio.helpers.AbstractRDFParser

org.eclipse.rdf4j.rio.ntriples.NTriplesParser

All Implemented Interfaces:

RDFParser

public class NTriplesParser
extends AbstractRDFParser

RDF parser for N-Triples files. A specification of NTriples can be found in this section of the RDF Test Cases document. This parser is not thread-safe, therefore its public methods are synchronized.

Author:

Arjohn Kampman

Field Summary

Fields

Modifier and Type	Field	Description
protected int	currentIndex
protected char[]	lineChars
protected long	lineNo
protected org.eclipse.rdf4j.model.Value	object
protected org.eclipse.rdf4j.model.IRI	predicate
protected BufferedReader	reader
protected org.eclipse.rdf4j.model.Resource	subject

Fields inherited from class org.eclipse.rdf4j.rio.helpers.AbstractRDFParser

rdfHandler, valueFactory

Constructor Summary

Constructors

Constructor	Description
NTriplesParser()	Creates a new NTriplesParser that will use a SimpleValueFactory to create object for resources, bNodes and literals.
NTriplesParser(org.eclipse.rdf4j.model.ValueFactory valueFactory)	Creates a new NTriplesParser that will use the supplied ValueFactory to create RDF model objects.

Method Summary

Modifier and Type	Method	Description
protected void	assertLineTerminates()	Verifies that there is only whitespace or comments until the end of the line.
protected void	clear()
protected org.eclipse.rdf4j.model.IRI	createURI(String uri)
RDFFormat	getRDFFormat()
Collection<RioSetting<?>>	getSupportedSettings()
protected void	handleStatement(boolean ignoredAnError)
void	parse(InputStream in, String baseURI)
void	parse(Reader reader, String baseURI)
protected org.eclipse.rdf4j.model.IRI	parseIRI()
protected org.eclipse.rdf4j.model.Resource	parseNode()
protected void	parseObject()
protected void	parsePredicate()
protected void	parseStatement()
protected void	parseSubject()
protected void	reportError(Exception e, RioSetting<Boolean> setting)
protected void	reportError(String msg, RioSetting<Boolean> setting)	Overrides AbstractRDFParser.reportError(String, RioSetting), adding line number information to the error.
protected void	reportFatalError(Exception e)	Overrides AbstractRDFParser.reportFatalError(Exception), adding line number information to the error.
protected void	reportFatalError(String msg)	Overrides AbstractRDFParser.reportFatalError(String), adding line number information to the error.
protected void	reportWarning(String msg)	Overrides AbstractRDFParser.reportWarning(String), adding line number information to the error.
protected boolean	shouldParseLine()
protected void	skipWhitespace(boolean throwEOF)
protected void	throwEOFException()

Methods inherited from class org.eclipse.rdf4j.rio.helpers.AbstractRDFParser

clearBNodeIDMap, createBNode, createBNode, createLiteral, createLiteral, createLiteral, createNode, createNode, createStatement, createStatement, getNamespace, getParseErrorListener, getParseLocationListener, getParserConfig, getRDFHandler, initializeNamespaceTableFromConfiguration, preserveBNodeIDs, reportError, reportError, reportError, reportFatalError, reportFatalError, reportFatalError, reportLocation, reportWarning, resolveURI, set, setBaseURI, setBaseURI, setNamespace, setParseErrorListener, setParseLocationListener, setParserConfig, setPreserveBNodeIDs, setRDFHandler, setValueFactory

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.rdf4j.rio.RDFParser

parse, parse

Field Detail

reader

protected BufferedReader reader

lineChars

protected char[] lineChars

currentIndex

protected int currentIndex

lineNo

protected long lineNo

subject

protected org.eclipse.rdf4j.model.Resource subject

predicate

protected org.eclipse.rdf4j.model.IRI predicate

object

protected org.eclipse.rdf4j.model.Value object

Constructor Detail

NTriplesParser

public NTriplesParser()

Creates a new NTriplesParser that will use a SimpleValueFactory to create object for resources, bNodes and literals.

NTriplesParser

public NTriplesParser(org.eclipse.rdf4j.model.ValueFactory valueFactory)

Creates a new NTriplesParser that will use the supplied ValueFactory to create RDF model objects.

Parameters:

valueFactory - A ValueFactory.

Method Detail

getRDFFormat

public RDFFormat getRDFFormat()

parse

public void parse(InputStream in,
                  String baseURI)
           throws IOException,
                  RDFParseException,
                  RDFHandlerException

Throws:

IOException

RDFParseException

RDFHandlerException

parse

public void parse(Reader reader,
                  String baseURI)
           throws IOException,
                  RDFParseException,
                  RDFHandlerException

Throws:

IOException

RDFParseException

RDFHandlerException

parseStatement

protected void parseStatement()
                       throws RDFParseException,
                              RDFHandlerException

Throws:

RDFParseException

RDFHandlerException

skipWhitespace

protected void skipWhitespace(boolean throwEOF)

shouldParseLine

protected boolean shouldParseLine()

parseSubject

protected void parseSubject()

parsePredicate

protected void parsePredicate()

parseObject

protected void parseObject()

assertLineTerminates

protected void assertLineTerminates()
                             throws RDFParseException

Verifies that there is only whitespace or comments until the end of the line.

Throws:

RDFParseException

handleStatement

protected void handleStatement(boolean ignoredAnError)

parseIRI

protected org.eclipse.rdf4j.model.IRI parseIRI()

parseNode

protected org.eclipse.rdf4j.model.Resource parseNode()

createURI

protected org.eclipse.rdf4j.model.IRI createURI(String uri)
                                         throws RDFParseException

Overrides:

createURI in class AbstractRDFParser

Throws:

RDFParseException

reportWarning

protected void reportWarning(String msg)

Overrides AbstractRDFParser.reportWarning(String), adding line number information to the error.

Overrides:

reportWarning in class AbstractRDFParser

reportError

protected void reportError(String msg,
                           RioSetting<Boolean> setting)
                    throws RDFParseException

Overrides AbstractRDFParser.reportError(String, RioSetting), adding line number information to the error.

Overrides:

reportError in class AbstractRDFParser

Throws:

RDFParseException

reportError

protected void reportError(Exception e,
                           RioSetting<Boolean> setting)
                    throws RDFParseException

Overrides:

reportError in class AbstractRDFParser

Throws:

RDFParseException

reportFatalError

protected void reportFatalError(String msg)
                         throws RDFParseException

Overrides AbstractRDFParser.reportFatalError(String), adding line number information to the error.

Overrides:

reportFatalError in class AbstractRDFParser

Throws:

RDFParseException

reportFatalError

protected void reportFatalError(Exception e)
                         throws RDFParseException

Overrides AbstractRDFParser.reportFatalError(Exception), adding line number information to the error.

Overrides:

reportFatalError in class AbstractRDFParser

Throws:

RDFParseException

throwEOFException

protected void throwEOFException()
                          throws RDFParseException

Throws:

RDFParseException

clear

protected void clear()

Overrides:

clear in class AbstractRDFParser

getSupportedSettings

public Collection<RioSetting<?>> getSupportedSettings()

Specified by:

getSupportedSettings in interface RDFParser

Overrides:

getSupportedSettings in class AbstractRDFParser