Java Code Examples for com.hp.hpl.jena.graph.Node#getName()

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Example 1
Source File: PrettyPrinter.java    From GeoTriples with Apache License 2.0 6 votes vote down vote up 
/**
 * Pretty-prints an RDF node and shortens URIs into QNames according to a
 * {@link PrefixMapping}.
 * @param n An RDF node
 * @return An N-Triples style textual representation with URIs shortened to QNames
 */
public static String toString(Node n, PrefixMapping prefixes) {
	if (n.isURI()) {
		return qNameOrURI(n.getURI(), prefixes);
	}
	if (n.isBlank()) {
		return "_:" + n.getBlankNodeLabel();
	}
	if (n.isVariable()) {
		return "?" + n.getName();
	}
	if (Node.ANY.equals(n)) {
		return "?ANY";
	}
	// Literal
	String s = "\"" + n.getLiteralLexicalForm() + "\"";
	if (!"".equals(n.getLiteralLanguage())) {
		s += "@" + n.getLiteralLanguage();
	}
	if (n.getLiteralDatatype() != null) {
		s += "^^" + qNameOrURI(n.getLiteralDatatypeURI(), prefixes);
	}
	return s;
}