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https://issues.apache.org/jira/browse/JENA-701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14003973#comment-14003973
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Andy Seaborne commented on JENA-701:
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Both {{NTripleWriter}} and {{N3JenaWriterCommon}} are legacy, left in place for
maximum compatibility only. They are not used by {{model.write}} anymore if
RIOT is on the classpath.
The new writers are in RIOT (in the jena-arq code base -- they deal with
datasets as well as graphs). The best way to read/write is to use
{{RDFDataMgr}}.
In RIOT, you will find {{NodeFmtLib}} and {{NodeFormatter}}. SPARQL writing has
{{FmtUtils}} (older than {{NodeFmtLib}}).
> formatNTriples method for RDFNode
> ---------------------------------
>
> Key: JENA-701
> URL: https://issues.apache.org/jira/browse/JENA-701
> Project: Apache Jena
> Issue Type: Improvement
> Components: Jena
> Reporter: Natanael Arndt
>
> I suggest that jena should have a method e.g. {{formatNTriples}} for the
> {{RDFNode}} interface which will output the N-Triples representation of this
> node. This can be helpful for generating SPARQL query strings and can unify
> code of {{NTripleWriter}} [1] and {{N3JenaWriterCommon}} [2].
> Currently {{NTripleWriter}} and {{N3JenaWriterCommon}} have their own
> implementations {{writeNode}} resp. {{formatNode}} for generating the correct
> String representation.
> [1]
> https://github.com/apache/jena/blob/trunk/jena-core/src/main/java/com/hp/hpl/jena/rdf/model/impl/NTripleWriter.java#L208
> [2]
> https://github.com/apache/jena/blob/trunk/jena-core/src/main/java/com/hp/hpl/jena/n3/N3JenaWriterCommon.java#L463
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