/* @see org.mindswap.owls.process.Input#transformInputType() */
public boolean transformInputType() {
OWLDataValue dv = getProperty(FLAServiceOnt.transformInputType);
if (dv != null && Boolean.FALSE.toString().equals(dv.getLexicalValue().trim().toLowerCase()))
return false;
return true;
}
/**
* @param viskoService
* @param inputDataURL
* @param serviceIndex
* @return
* @throws ExecutionException
*/
private String executeService(
edu.utep.trustlab.visko.ontology.viskoService.Service viskoService,
String inputDataURL,
int serviceIndex)
throws ExecutionException {
OWLKnowledgeBase kb = OWLFactory.createKB();
Service service = viskoService.getOWLSService().getIndividual();
Process process = service.getProcess();
ValueMap<Input, OWLValue> inputs =
OWLSParameterBinder.buildInputValueMap(
process, inputDataURL, job.getPipeline().getParameterBindings(), kb);
String outputDataURL = null;
if (inputs != null) {
ValueMap<Output, OWLValue> outputs;
if (job.isSimulated()) outputDataURL = ServiceSimulator.exec();
else {
outputs = exec.execute(process, inputs, kb);
OWLDataValue out = (OWLDataValue) outputs.getValue(process.getOutput());
outputDataURL = out.toString();
}
if (job.getProvenanceLogging()) {
pmlLogger.recordServiceInvocation(viskoService, inputDataURL, outputDataURL, inputs);
provLogger.recordServiceInvocation(viskoService, inputDataURL, outputDataURL, inputs);
}
}
return outputDataURL;
}
/**
* Assuming that the range of values of the given data property can be parsed to URIs (e.g. typed
* to <tt>xsd:anyURI</tt>), this method gets all values of the property in the backing KB and
* tries to parse them into a URI. If a value can not be parsed it will be silently ignored.
*
* @param prop The data property whose range is expected to be <tt>xsd:anyURI</tt>.
* @return The list of all URIs.
*/
protected List<URI> getPropertiesAsURI(final OWLDataProperty prop) {
List<OWLDataValue> tmp = individual.getProperties(prop);
List<URI> uris = new ArrayList<URI>(tmp.size());
for (OWLDataValue dataValue : tmp) {
final Object value = dataValue.getValue();
if (value instanceof URI) uris.add((URI) value);
try {
uris.add(new URI(value.toString()));
} catch (URISyntaxException ignore) {
// we can not recover anyway; we could log something, which would be additional work
}
}
return uris;
}
/**
* @param prop
* @return
*/
protected URI getPropertyAsURI(final OWLDataProperty prop) {
final OWLDataValue dv = individual.getProperty(prop);
if (dv != null) {
final Object value = dv.getValue();
if (value instanceof URI) return (URI) value;
try {
return new URI(value.toString().trim());
} catch (NullPointerException e) {
/* fall through, we can not recover anyway */
} catch (URISyntaxException e) {
/* fall through, we can not recover anyway */
}
}
return null;
}
/** @return Returns the constantValue. */
public OWLValue getConstantValue() {
OWLDataValue dataValue = getProperty(OWLS.Process.parameterValue);
if (dataValue != null) {
OWLType paramType = getParamType();
OWLValue owlValue = null;
if ((paramType == null) || paramType.isDataType()) owlValue = dataValue;
else {
String rdf = RDFUtils.addRDFTag(dataValue.getLexicalValue());
owlValue = getOntology().parseLiteral(rdf);
}
return owlValue;
}
return null;
}
/**
* This method can be used if it is known that the value of the given property syntactically
* represents a URL.
*
* @return The value of the property converted to an URL. Returns <code>null</code> if there is no
* statement containing this individual and the property, or the value is a malformed URL.
*/
protected URL getPropertyAsURL(final OWLDataProperty prop) {
final OWLDataValue dv = individual.getProperty(prop);
if (dv != null) {
final Object value = dv.getValue();
try {
if (value instanceof URI) return ((URI) value).toURL();
return new URL(value.toString().trim());
} catch (NullPointerException e) {
/* fall through, we can not recover anyway */
} catch (IllegalArgumentException e) {
/* fall through, we can not recover anyway */
} catch (MalformedURLException ignore) {
/* fall through, we can not recover anyway */
}
}
return null;
}
public void runDictionary() throws Exception {
OWLKnowledgeBase kb = OWLFactory.createKB();
service = kb.readService("http://www.mindswap.org/2004/owl-s/1.1/Dictionary.owl");
process = service.getProcess();
// initialize the input values to be empty
values = new ValueMap();
inValue = "hello";
values.setDataValue(process.getInput("InputString"), inValue);
values = exec.execute(process, values);
// get the output
OWLDataValue out = (OWLDataValue) values.getValue(process.getOutput());
// display the results
System.out.println("Executed service '" + service + "'");
System.out.println(
"Grounding WSDL: " + ((AtomicProcess) process).getGrounding().getDescriptionURL());
System.out.println("Input = " + inValue);
System.out.println("Output = " + out.toString());
System.out.println();
}
/**
* @param prop
* @param lang
* @return
*/
protected String getPropertyAsString(final OWLDataProperty prop, final String lang) {
final OWLDataValue value = individual.getProperty(prop, lang);
return (value == null) ? null : value.toString();
}
/**
* @param <T>
* @param prop
* @param result
* @return
*/
protected <T extends OWLDataValue> T getPropertyAs(
final OWLDataProperty prop, final Class<T> result) {
final OWLDataValue value = individual.getProperty(prop);
return (value == null) ? null : value.castTo(result);
}