Java Code Examples for com.hp.hpl.jena.rdf.model.Literal#getDatatypeURI()

The following examples show how to use com.hp.hpl.jena.rdf.model.Literal#getDatatypeURI() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: anno4j   File: JenaSesameUtils.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Convert the given Jena Literal to a Sesame Literal
 * @param theLiteral the Jena Literal to convert
 * @return the Jena Literal as a Sesame Literal
 */
public static org.openrdf.model.Literal asSesameLiteral(Literal theLiteral) {
    if (theLiteral == null) {
        return null;
    }
    else if (theLiteral.getLanguage() != null && !theLiteral.getLanguage().equals("")) {
        return FACTORY.createLiteral(theLiteral.getLexicalForm(),
                theLiteral.getLanguage());
    }
    else if (theLiteral.getDatatypeURI() != null) {
        return FACTORY.createLiteral(theLiteral.getLexicalForm(),
                FACTORY.createURI(theLiteral.getDatatypeURI()));
    }
    else {
        return FACTORY.createLiteral(theLiteral.getLexicalForm());
    }
}
 
Example 2
Source Project: GeoTriples   File: WP2RDFXMLWriter.java    License: Apache License 2.0 6 votes vote down vote up
protected void writeLiteral(Literal l, PrintWriter writer) {
	String lang = l.getLanguage();
	String form = l.getLexicalForm();
	if (!lang.equals("")) {
		writer.print(" xml:lang=" + attributeQuoted(lang));
	}
	if (l.isWellFormedXML() && !blockLiterals) {
		writer.print(" " + rdfAt("parseType") + "="
				+ attributeQuoted("Literal") + ">");
		writer.print(form);
	} else {
		String dt = l.getDatatypeURI();
		if (dt != null)
			writer.print(" " + rdfAt("datatype") + "="
					+ substitutedAttribute(dt));
		writer.print(">");
		writer.print(Util.substituteEntitiesInElementContent(form));
	}
}
 
Example 3
Source Project: marklogic-contentpump   File: RDFReader.java    License: Apache License 2.0 5 votes vote down vote up
private String object(RDFNode node) {
    if (node.isLiteral()) {
        Literal lit = node.asLiteral();
        String text = lit.getString();
        String lang = lit.getLanguage();
        String type = lit.getDatatypeURI();

        if (lang == null || "".equals(lang)) {
            lang = "";
        } else {
            lang = " xml:lang='" + escapeXml(lang) + "'";
        }

        if ("".equals(lang)) {
            if (type == null) {
                type = "http://www.w3.org/2001/XMLSchema#string";
            }
            type = " datatype='" + escapeXml(type) + "'";
        } else {
            type = "";
        }

        return "<sem:object" + type + lang + ">" + escapeXml(text) + "</sem:object>";
    } else if (node.isAnon()) {
        return "<sem:object>http://marklogic.com/semantics/blank/" + Long.toHexString(
                hash64(fuse(scramble(milliSecs),randomValue), node.toString()))
                +"</sem:object>";
    } else {
        return "<sem:object>" + escapeXml(node.toString()) + "</sem:object>";
    }
}
 
Example 4
Source Project: GeoTriples   File: R2RMLReader.java    License: Apache License 2.0 4 votes vote down vote up
public boolean isTypeOf(RDFNode node) {
	if (!node.isLiteral()) return false;
	Literal l = node.asLiteral();
	return XSD.xstring.getURI().equals(l.getDatatypeURI())
			|| (l.getDatatypeURI() == null && "".equals(l.getLanguage()));
}