Package org.eclipse.rdf4j.rio.n3
Class N3Writer
java.lang.Object
org.eclipse.rdf4j.rio.n3.N3Writer
- All Implemented Interfaces:
CharSink
,Sink
,RDFHandler
,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
ConstructorDescriptionN3Writer
(OutputStream out) Creates a new N3Writer that will write to the supplied OutputStream.N3Writer
(OutputStream out, ParsedIRI baseIRI) Creates a new N3Writer that will write to the supplied OutputStream.Creates a new N3Writer that will write to the supplied Writer.Creates a new N3Writer that will write to the supplied Writer. -
Method Summary
Modifier and TypeMethodDescriptionvoid
endRDF()
Signals the end of the RDF data.Get theFileFormat
this sink uses.Gets the RDF format that this RDFWriter uses.Collection
<RioSetting<?>> Retrieves the current writer configuration as a single object.void
handleComment
(String comment) Handles a comment.void
handleNamespace
(String prefix, String name) Handles a namespace declaration/definition.void
Handles a statement.<T> RDFWriter
set
(RioSetting<T> setting, T value) Set a setting on the writer, and return this writer object to allow chaining.setWriterConfig
(WriterConfig config) Sets all supplied writer configuration options.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
Methods inherited from interface org.eclipse.rdf4j.common.io.Sink
acceptsFileFormat
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Constructor Details
-
N3Writer
Creates a new N3Writer that will write to the supplied OutputStream.- Parameters:
out
- The OutputStream to write the N3 document to.
-
N3Writer
Creates a new N3Writer that will write to the supplied OutputStream.- Parameters:
out
- The OutputStream to write the N3 document to.baseIRI
- used to relativize IRIs to relative IRIs.
-
N3Writer
Creates a new N3Writer that will write to the supplied Writer.- Parameters:
writer
- The Writer to write the N3 document to.
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N3Writer
-
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Method Details
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getWriter
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getRDFFormat
Description copied from interface:RDFWriter
Gets the RDF format that this RDFWriter uses.- Specified by:
getRDFFormat
in interfaceRDFWriter
-
setWriterConfig
Description copied from interface:RDFWriter
Sets all supplied writer configuration options.- Specified by:
setWriterConfig
in interfaceRDFWriter
- Parameters:
config
- a writer configuration object.- Returns:
- Either a copy of this writer, if it is immutable, or this object, to allow chaining of method calls.
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getWriterConfig
Description copied from interface:RDFWriter
Retrieves the current writer configuration as a single object.- Specified by:
getWriterConfig
in interfaceRDFWriter
- Returns:
- a writer configuration object representing the current configuration of the writer.
-
getSupportedSettings
- Specified by:
getSupportedSettings
in interfaceRDFWriter
- Returns:
- A collection of
RioSetting
s that are supported by this RDFWriter.
-
set
Description copied from interface:RDFWriter
Set a setting on the writer, and return this writer object to allow chaining. -
startRDF
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 interfaceRDFHandler
- Throws:
RDFHandlerException
- If the RDF handler has encountered an unrecoverable error.
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endRDF
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 interfaceRDFHandler
- Throws:
RDFHandlerException
- If the RDF handler has encountered an unrecoverable error.
-
handleNamespace
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 interfaceRDFHandler
- 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.
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handleStatement
Description copied from interface:RDFHandler
Handles a statement.- Specified by:
handleStatement
in interfaceRDFHandler
- Parameters:
st
- The statement.- Throws:
RDFHandlerException
- If the RDF handler has encountered an unrecoverable error.
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handleComment
Description copied from interface:RDFHandler
Handles a comment.- Specified by:
handleComment
in interfaceRDFHandler
- Parameters:
comment
- The comment.- Throws:
RDFHandlerException
- If the RDF handler has encountered an unrecoverable error.
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getFileFormat
Description copied from interface:Sink
Get theFileFormat
this sink uses.- Specified by:
getFileFormat
in interfaceSink
- Returns:
- a
FileFormat
. May not benull
.
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