@Override
public String getValue(Object instance, String property) {
Value value = graph.first(getValue(instance), Values.iri(property));
if (value == null) return null;
if (value.getString() != null) return value.getString();
return value.toIri();
}
@Override
public Iterable<String> getValues(Object instance, String property) {
List<String> result = new ArrayList<String>();
for (Value value : graph.values(getValue(instance), Values.iri(property))) {
if (value.getString() != null) result.add(value.getString());
else result.add(value.toIri());
}
return result;
}
private Object getInstance(Value entity) {
Object instance = instances.get(entity);
if (instance != null) return instance;
Value implementation = null;
for (Value impl :
graph.values(entity, Values.iri("http://purl.org/openapp/server/implementation")))
if ("http://purl.org/openapp/server/javaFQName".equals(impl.getType())) implementation = impl;
try {
if (implementation == null) {
instance = new Object();
} else {
logger.info("Instantiating " + implementation.getString());
instance = Class.forName(implementation.getString()).newInstance();
}
instances.put(entity, instance);
entities.put(instance, entity);
if (entity == applicationEntity) applicationInstance = instance;
if (instance instanceof Bindable) ((Bindable) instance).bind(this);
return instance;
} catch (Exception e) {
throw new Error("Error instantiating " + implementation.getString(), e);
}
}
@Override
public Iterable<String> getProperties(Object instance) {
List<String> result = new ArrayList<String>();
for (Value property : graph.properties(getValue(instance))) result.add(property.toIri());
return result;
}