/**
* @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;
}
/**
* 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;
}
/* @see org.mindswap.owl.OWLIndividual#getProperty(org.mindswap.owl.OWLObjectProperty) */
public OWLIndividual getProperty(final OWLObjectProperty prop) {
return individual.getProperty(prop);
}
/* @see org.mindswap.owl.OWLIndividual#getProperty(org.mindswap.owl.OWLDataProperty, java.lang.String) */
public OWLDataValue getProperty(final OWLDataProperty prop, final String lang) {
return individual.getProperty(prop, lang);
}
/* @see org.mindswap.owl.OWLIndividual#getProperty(org.mindswap.owl.OWLDataProperty) */
public OWLDataValue getProperty(final OWLDataProperty prop) {
return individual.getProperty(prop);
}
/**
* @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);
}
/**
* @param <T>
* @param prop
* @param result
* @return
*/
protected <T extends OWLEntity> T getPropertyAs(
final OWLObjectProperty prop, final Class<T> result) {
final OWLIndividual value = individual.getProperty(prop);
return (value == null) ? null : value.castTo(result);
}