Github user stain commented on a diff in the pull request: https://github.com/apache/commons-rdf/pull/27#discussion_r100209281 --- Diff: api/src/main/java/org/apache/commons/rdf/api/RDFSyntax.java --- @@ -91,7 +148,30 @@ * Datasets</a>. */ public boolean supportsDataset(); + + /** + * Return the RDF 1.1 serialization syntaxes. + * <p> + * This lists the W3C standardized RDF 1.1 syntaxes like {@link #TURTLE} and + * {@link #JSONLD}. Note the existence of other RDF syntaxes that are not + * included here, e.g. <a href="http://www.w3.org/TeamSubmission/n3/">N3</a> and + * <a href="https://en.wikipedia.org/wiki/TriX_%28syntax%29">TriX</a>. + * <p> + * The syntaxes returned only support the {@link #mediaType()} + * and {@link #fileExtension()} as defined in the corresponding + * W3C specification. + * + * @return + * A set of the official RDF 1.1 {@link RDFSyntax}es. + * + * @see <a href="https://www.w3.org/TR/rdf11-primer/#section-graph-syntax">RDF + * 1.1 Primer</a> + * @see org.apache.commons.rdf.experimental.RDFParser + */ + public static Set<RDFSyntax> w3cSyntaxes() { --- End diff -- `W3CRDFSyntax` is package-protected. It was moved it out followingyour advice, but I don't see any win in making it `public` as it has no additional methods (and shouldn't have). If we make it public and remove `w3cSyntaxes()` , then there's not much more any point to have the proxy constants `RDFSyntax.TURTLE` etc. as they would also then be made public at `W3CRDFSyntax.TURTLE` etc - which - not withstanding the CAPSISSUE - is not as accessible for the 95% use cases of parsing/writing a RDF 1.1 syntax.
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