/**
* @param model Input Model
* @param lang See {@link com.hp.hpl.jena.rdf.model.Model#read(java.io.InputStream, String,
* String)}
* @param out Serialized model
* @throws JenaException
*/
public static void serializeModel(Model model, String lang, OutputStream out)
throws JenaException {
if (model == null)
throw new IllegalArgumentException(
Messages.getServerString("model.util.model.null")); // $NON-NLS-1$
if (out == null)
throw new IllegalArgumentException(
Messages.getServerString("model.util.outputstream.null")); // $NON-NLS-1$
// Avoid 'WARN com.hp.hpl.jena.xmloutput.impl.BaseXMLWriter - Namespace prefix 'j.1' is
// reserved by Jena.'
for (String prefix : new HashSet<String>(model.getNsPrefixMap().keySet())) {
model.removeNsPrefix(prefix);
}
model.write(out, lang);
}
/**
* @param bytes Serialized RDF/XML model
* @param lang See {@link com.hp.hpl.jena.rdf.model.Model#read(java.io.InputStream, String,
* String)}
* @return Deserialized RDF model
* @throws JenaException
*/
public static Model deserializeModel(byte[] bytes, String lang) throws JenaException {
if (bytes == null)
throw new IllegalArgumentException(
Messages.getServerString("model.util.bytes.null")); // $NON-NLS-1$
return deserializeModel(new ByteArrayInputStream(bytes), lang);
}
/**
* @param in Serialized RDF model
* @param lang See {@link com.hp.hpl.jena.rdf.model.Model#read(java.io.InputStream, String,
* String)}
* @return Deserialized RDF model
* @throws JenaException
*/
public static Model deserializeModel(InputStream in, String lang) throws JenaException {
if (in == null)
throw new IllegalArgumentException(
Messages.getServerString("model.util.inputstream.null")); // $NON-NLS-1$
Model model = ModelUtil.createDefaultModel();
try {
model.read(in, null, lang);
} catch (Throwable t) {
// Temp ignore - TODO ignore empty stream specifically
return model;
}
return model;
}
