org.openrdf.rio.n3
Class N3Writer

java.lang.Object
  org.openrdf.rio.n3.N3Writer

All Implemented Interfaces:

RDFHandler, RDFWriter

public class N3Writer
extends Object
implements RDFWriter

An implementation of the RDFWriter interface that writes RDF documents in N3 format. Note: the current implementation simply wraps a TurtleWriter and writes documents in Turtle format, which is a subset of N3.

Constructor Summary

N3Writer(OutputStream out)
Creates a new N3Writer that will write to the supplied OutputStream.

N3Writer(Writer writer)
Creates a new N3Writer that will write to the supplied Writer.

Method Summary

void	endRDF() Signals the end of the RDF data.
RDFFormat	getRDFFormat() Gets the RDF format that this RDFWriter uses.
void	handleComment(String comment) Handles a comment.
void	handleNamespace(String prefix, String name) Handles a namespace declaration/definition.
void	handleStatement(Statement st) Handles a statement.
void	startRDF() Signals the start of the RDF data.

Methods inherited from class java.lang.Object

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

Constructor Detail

N3Writer

public N3Writer(OutputStream out)

Creates a new N3Writer that will write to the supplied OutputStream.

Parameters:

out - The OutputStream to write the N3 document to.

N3Writer

public N3Writer(Writer writer)

Creates a new N3Writer that will write to the supplied Writer.

Parameters:

writer - The Writer to write the N3 document to.

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

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

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

Throws:

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

handleNamespace

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

Description copied from interface: RDFHandler

Handles a namespace declaration/definition. A namespace declaration associates a (short) prefix string with the namespace's URI. The prefix for default namespaces, which do not have an associated prefix, are represented as empty strings.

Specified by:

handleNamespace in interface RDFHandler

Parameters:

prefix - The prefix for the namespace, or an empty string in case of a default namespace.

name - The URI that the prefix maps to.

Throws:

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

handleStatement

public void handleStatement(Statement st)
                     throws RDFHandlerException

Description copied from interface: RDFHandler

Handles a statement.

Specified by:

handleStatement in interface RDFHandler

Parameters:

st - The statement.

Throws:

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

handleComment

public void handleComment(String comment)
                   throws RDFHandlerException

Description copied from interface: RDFHandler

Handles a comment.

Specified by:

handleComment in interface RDFHandler

Parameters:

comment - The comment.

Throws:

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