// See RDFParser
private Node createNode(Map<String, Object> map) {
String type = (String) map.get("type");
String lex = (String) map.get("value");
if (type.equals(IRI)) return NodeFactory.createURI(lex);
else if (type.equals(BLANK_NODE)) return labels.get(null, lex);
else if (type.equals(LITERAL)) {
String lang = (String) map.get("language");
String datatype = (String) map.get("datatype");
if (lang == null && datatype == null) return NodeFactory.createLiteral(lex);
if (lang != null) return NodeFactory.createLiteral(lex, lang, null);
RDFDatatype dt = NodeFactory.getType(datatype);
return NodeFactory.createLiteral(lex, dt);
} else throw new InternalErrorException("Node is not a IRI, bNode or a literal: " + type);
// /*
// * "value" : The value of the node.
// * "subject" can be an IRI or blank node id.
// * "predicate" should only ever be an IRI
// * "object" can be and IRI or blank node id, or a literal value (represented as
// a string)
// * "type" : "IRI" if the value is an IRI or "blank node" if the value is a blank node.
// * "object" can also be "literal" in the case of literals.
// * The value of "object" can also contain the following optional key-value pairs:
// * "language" : the language value of a string literal
// * "datatype" : the datatype of the literal. (if not set will default to XSD:string, if
// set to null, null will be used). */
// System.out.println(map.get("value")) ;
// System.out.println(map.get("type")) ;
// System.out.println(map.get("language")) ;
// System.out.println(map.get("datatype")) ;
// return null ;
}
private Node createLiteral(String lex, String datatype, String lang) {
if (lang == null && datatype == null) return NodeFactory.createLiteral(lex);
if (lang != null) return NodeFactory.createLiteral(lex, lang, null);
RDFDatatype dt = NodeFactory.getType(datatype);
return NodeFactory.createLiteral(lex, dt);
}