/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.marmotta.ldcache.services.test.dummy;
import org.apache.marmotta.ldclient.api.endpoint.Endpoint;
import org.apache.marmotta.ldclient.api.ldclient.LDClientService;
import org.apache.marmotta.ldclient.api.provider.DataProvider;
import org.apache.marmotta.ldclient.exception.DataRetrievalException;
import org.apache.marmotta.ldclient.model.ClientResponse;
import org.openrdf.repository.Repository;
import org.openrdf.repository.RepositoryConnection;
import org.openrdf.repository.RepositoryException;
import org.openrdf.repository.sail.SailRepository;
import org.openrdf.rio.RDFFormat;
import org.openrdf.rio.RDFParseException;
import org.openrdf.sail.memory.MemoryStore;
import java.io.IOException;
public class DummyProvider implements DataProvider {
@Override
public String getName() {
return "Dummy";
}
@Override
public String[] listMimeTypes() {
return new String[] {"application/dummy"};
}
@Override
public ClientResponse retrieveResource(String resource, LDClientService client, Endpoint endpoint) throws DataRetrievalException {
String filename = resource.substring("http://localhost/".length()) + ".ttl";
try {
Repository triples = new SailRepository(new MemoryStore());
triples.initialize();
RepositoryConnection con = triples.getConnection();
try {
con.begin();
con.add(DummyProvider.class.getResourceAsStream(filename), resource, RDFFormat.TURTLE);
con.commit();
} catch(RepositoryException ex) {
con.rollback();
} catch (RDFParseException e) {
throw new DataRetrievalException("could not parse resource data for file "+filename);
} catch (IOException e) {
throw new DataRetrievalException("could not load resource data for file "+filename);
} finally {
con.close();
}
ClientResponse response = new ClientResponse(200, triples);
return response;
} catch (RepositoryException e) {
throw new DataRetrievalException("could not load resource data for file "+filename);
}
}
}