Package org.eclipse.rdf4j.rio.trig

Class TriGWriter

java.lang.Object

org.eclipse.rdf4j.rio.helpers.AbstractRDFWriter

org.eclipse.rdf4j.rio.turtle.TurtleWriter

org.eclipse.rdf4j.rio.trig.TriGWriter

All Implemented Interfaces:

CharSink, Sink, RDFHandler, RDFWriter

Direct Known Subclasses:

TriGStarWriter

public class TriGWriter
extends TurtleWriter

An extension of TurtleWriter that writes RDF documents in TriG format by adding graph scopes to the Turtle document.

Author:

Arjohn Kampman

Field Summary

Fields inherited from class org.eclipse.rdf4j.rio.turtle.TurtleWriter

baseIRI, bufferedStatements, lastWrittenPredicate, lastWrittenSubject, statementClosed, writer

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

namespaceTable, statementConsumer

Constructor Summary

Constructors

Constructor	Description
TriGWriter(OutputStream out)	Creates a new TriGWriter that will write to the supplied OutputStream.
TriGWriter(OutputStream out, ParsedIRI baseIRI)	Creates a new TriGWriter that will write to the supplied OutputStream.
TriGWriter(Writer writer)	Creates a new TriGWriter that will write to the supplied Writer.
TriGWriter(Writer writer, ParsedIRI baseIRI)	Creates a new TriGWriter that will write to the supplied Writer.

Method Summary

Modifier and Type	Method	Description
protected void	closeActiveContext()
void	endRDF()	Signals the end of the RDF data.
RDFFormat	getRDFFormat()	Gets the RDF format that this RDFWriter uses.
void	startRDF()	Signals the start of the RDF data.
protected void	writeNamespace(String prefix, String name)
protected void	writeStatement(Resource subj, IRI pred, Value obj, Resource context, boolean canShortenSubject, boolean canShortenObject)

Methods inherited from class org.eclipse.rdf4j.rio.turtle.TurtleWriter

closePreviousStatement, consumeStatement, getModelFactory, getSupportedSettings, getWriter, handleComment, handleNamespace, handleStatementInternal, setModelFactory, writeBase, writeBNode, writeBNode, writeCommentLine, writeLiteral, writePredicate, writeResource, writeResource, writeTriple, writeTripleRDFStar, writeURI, writeValue, writeValue

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

checkWritingStarted, getFileFormat, getWriterConfig, handleStatement, isWritingStarted, set, setWriterConfig

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.common.io.Sink

acceptsFileFormat, getFileFormat

Constructor Detail

TriGWriter

public TriGWriter(OutputStream out)

Creates a new TriGWriter that will write to the supplied OutputStream.

Parameters:

out - The OutputStream to write the TriG document to.

TriGWriter

public TriGWriter(OutputStream out,
                  ParsedIRI baseIRI)

Creates a new TriGWriter that will write to the supplied OutputStream.

Parameters:

out - The OutputStream to write the TriG document to.

baseIRI -

TriGWriter

public TriGWriter(Writer writer)

Creates a new TriGWriter that will write to the supplied Writer.

Parameters:

writer - The Writer to write the TriG document to.

TriGWriter

public TriGWriter(Writer writer,
                  ParsedIRI baseIRI)

Creates a new TriGWriter that will write to the supplied Writer.

Parameters:

writer - The Writer to write the TriG document to.

baseIRI -

Method Detail

getRDFFormat

public RDFFormat getRDFFormat()

Description copied from interface: RDFWriter

Gets the RDF format that this RDFWriter uses.

Specified by:

getRDFFormat in interface RDFWriter

Overrides:

getRDFFormat in class TurtleWriter

startRDF

public void startRDF()
              throws RDFHandlerException

Description copied from interface: RDFHandler

Signals the start of the RDF data. This method is called before any data is reported.

Specified by:

startRDF in interface RDFHandler

Overrides:

startRDF in class TurtleWriter

Throws:

RDFHandlerException - If the RDF handler has encountered an unrecoverable error.

endRDF

public void endRDF()
            throws RDFHandlerException

Description copied from interface: RDFHandler

Signals the end of the RDF data. This method is called when all data has been reported.

Specified by:

endRDF in interface RDFHandler

Overrides:

endRDF in class TurtleWriter

Throws:

RDFHandlerException - If the RDF handler has encountered an unrecoverable error.

writeStatement

protected void writeStatement(Resource subj,
                              IRI pred,
                              Value obj,
                              Resource context,
                              boolean canShortenSubject,
                              boolean canShortenObject)
                       throws IOException

Overrides:

writeStatement in class TurtleWriter

Throws:

IOException

writeNamespace

protected void writeNamespace(String prefix,
                              String name)
                       throws IOException

Overrides:

writeNamespace in class TurtleWriter

Throws:

IOException

closeActiveContext

protected void closeActiveContext()
                           throws IOException

Throws:

IOException