it.tidalwave.observation.simple.rdf.SimpleObservationItemUnmarshaller Maven / Gradle / Ivy
/***********************************************************************************************************************
*
* blueBill Core - open source birding
* Copyright (C) 2009-2011 by Tidalwave s.a.s. (http://www.tidalwave.it)
*
***********************************************************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
***********************************************************************************************************************
*
* WWW: http://bluebill.tidalwave.it
* SCM: https://kenai.com/hg/bluebill~core-src
*
**********************************************************************************************************************/
package it.tidalwave.observation.simple.rdf;
import javax.annotation.Nonnull;
import java.util.List;
import it.tidalwave.util.As;
import it.tidalwave.util.NotFoundException;
import it.tidalwave.semantic.io.spi.StatementUnmarshallerSupport;
import it.tidalwave.observation.Cardinality;
import it.tidalwave.observation.Observable;
import it.tidalwave.observation.simple.SimpleObservation;
import it.tidalwave.observation.simple.SimpleObservationItem;
import org.openrdf.model.Statement;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
* @version $Id$
*
**********************************************************************************************************************/
public class SimpleObservationItemUnmarshaller extends StatementUnmarshallerSupport
{
@Override @Nonnull
public As unmarshal (final @Nonnull List statements, final @Nonnull Context context)
{
try
{
final SimpleObservation observation = (SimpleObservation)context.peek();
final Observable observable = (Observable)context.find(findStatementWithPredicate(statements, Vocabulary.FOAF_TOPIC).getObject());
Cardinality cardinality = Cardinality.UNDEFINED; // FIXME
return new SimpleObservationItem(observation, observable, cardinality);
}
catch (NotFoundException e)
{
throw new RuntimeException(e); // FIXME: throw a checked exception
}
}
}