org.openrdf.rio.turtle

Class TurtleWriter

java.lang.Object

org.openrdf.rio.helpers.RDFWriterBase

org.openrdf.rio.turtle.TurtleWriter

All Implemented Interfaces:

RDFHandler, RDFWriter

public class TurtleWriter
extends RDFWriterBase
implements RDFWriter

An implementation of the RDFWriter interface that writes RDF documents in Turtle format. The Turtle format is defined in in this document.

Field Summary

Fields

Modifier and Type	Field and Description
protected URI	lastWrittenPredicate
protected Resource	lastWrittenSubject
protected boolean	statementClosed Flag indicating whether the last written statement has been closed.
protected IndentingWriter	writer
protected boolean	writingStarted

Fields inherited from class org.openrdf.rio.helpers.RDFWriterBase

namespaceTable

Constructor Summary

Constructors

Constructor and Description
TurtleWriter(OutputStream out) Creates a new TurtleWriter that will write to the supplied OutputStream.
TurtleWriter(Writer writer) Creates a new TurtleWriter that will write to the supplied Writer.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	closePreviousStatement()
void	endRDF()
RDFFormat	getRDFFormat()
void	handleComment(String comment)
void	handleNamespace(String prefix, String name)
void	handleStatement(Statement st)
void	startRDF()
protected void	writeBNode(BNode bNode)
protected void	writeCommentLine(String line)
protected void	writeLiteral(Literal lit)
protected void	writeNamespace(String prefix, String name)
protected void	writePredicate(URI predicate)
protected void	writeResource(Resource res)
protected void	writeURI(URI uri)
protected void	writeValue(Value val)

Methods inherited from class org.openrdf.rio.helpers.RDFWriterBase

getSupportedSettings, getWriterConfig, setWriterConfig

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrdf.rio.RDFWriter

getSupportedSettings, getWriterConfig, setWriterConfig

Field Detail

writer

protected IndentingWriter writer

writingStarted

protected boolean writingStarted

statementClosed

protected boolean statementClosed

Flag indicating whether the last written statement has been closed.

lastWrittenSubject

protected Resource lastWrittenSubject

lastWrittenPredicate

protected URI lastWrittenPredicate

Constructor Detail

TurtleWriter

public TurtleWriter(OutputStream out)

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

Parameters:

out - The OutputStream to write the Turtle document to.

TurtleWriter

public TurtleWriter(Writer writer)

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

Parameters:

writer - The Writer to write the Turtle document to.

Method Detail

getRDFFormat

public RDFFormat getRDFFormat()

Specified by:

getRDFFormat in interface RDFWriter

startRDF

public void startRDF()
              throws RDFHandlerException

Specified by:

startRDF in interface RDFHandler

Throws:

RDFHandlerException

endRDF

public void endRDF()
            throws RDFHandlerException

Specified by:

endRDF in interface RDFHandler

Throws:

RDFHandlerException

handleNamespace

public void handleNamespace(String prefix,
                   String name)
                     throws RDFHandlerException

Specified by:

handleNamespace in interface RDFHandler

Overrides:

handleNamespace in class RDFWriterBase

Throws:

RDFHandlerException

handleStatement

public void handleStatement(Statement st)
                     throws RDFHandlerException

Specified by:

handleStatement in interface RDFHandler

Throws:

RDFHandlerException

handleComment

public void handleComment(String comment)
                   throws RDFHandlerException

Specified by:

handleComment in interface RDFHandler

Throws:

RDFHandlerException

writeCommentLine

protected void writeCommentLine(String line)
                         throws IOException

Throws:

IOException

writeNamespace

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

Throws:

IOException

writePredicate

protected void writePredicate(URI predicate)
                       throws IOException

Throws:

IOException

writeValue

protected void writeValue(Value val)
                   throws IOException

Throws:

IOException

writeResource

protected void writeResource(Resource res)
                      throws IOException

Throws:

IOException

writeURI

protected void writeURI(URI uri)
                 throws IOException

Throws:

IOException

writeBNode

protected void writeBNode(BNode bNode)
                   throws IOException

Throws:

IOException

writeLiteral

protected void writeLiteral(Literal lit)
                     throws IOException

Throws:

IOException

closePreviousStatement

protected void closePreviousStatement()
                               throws IOException

Throws:

IOException