private RDFWriter createWriter(StringWriter writer) {
RDFWriter result = null;
if (format.equals(Format.TURTLE)) {
result = new TurtlePrettyPrinter(new MemValueFactory().createURI(baseURI.toString()), writer);
} else {
RDFWriterRegistry registry = RDFWriterRegistry.getInstance();
RDFFormat rawFormat = Rio.getWriterFormatForMIMEType(format.getMime(), RDFFormat.RDFXML);
RDFWriterFactory factory = registry.get(rawFormat);
result = factory.getWriter(writer);
if (format.equals(Format.JSON_LD)) {
result.getWriterConfig().set(JSONLDSettings.JSONLD_MODE, JSONLDMode.FLATTEN);
result.getWriterConfig().set(BasicWriterSettings.PRETTY_PRINT, true);
}
}
return result;
}
private RDFFormat getFormat() {
return Rio.getWriterFormatForMIMEType(format.getMime(), RDFFormat.TURTLE);
}