/**
* Copyright 2014 Martynas Jusevičius <martynas@graphity.org>
*
* 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.
*
*/
package org.graphity.processor.provider;
import com.hp.hpl.jena.query.ARQ;
import com.hp.hpl.jena.util.FileManager;
import com.hp.hpl.jena.util.LocationMapper;
import com.sun.jersey.core.spi.component.ComponentContext;
import com.sun.jersey.spi.inject.Injectable;
import com.sun.jersey.spi.inject.PerRequestTypeInjectableProvider;
import javax.servlet.ServletContext;
import javax.ws.rs.core.Context;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;
import org.graphity.processor.util.DataManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* JAX-RS provider for data manager subclass.
* Needs to be registered in the application.
*
* @author Martynas Jusevičius <martynas@graphity.org>
* @see org.graphity.processor.util.DataManager
*/
@Provider
public class DataManagerProvider extends PerRequestTypeInjectableProvider<Context, DataManager> implements ContextResolver<DataManager>
{
private static final Logger log = LoggerFactory.getLogger(DataManagerProvider.class);
@Context ServletContext servletContext;
public DataManagerProvider()
{
super(DataManager.class);
}
public ServletContext getServletContext()
{
return servletContext;
}
@Override
public Injectable<DataManager> getInjectable(ComponentContext cc, Context a)
{
return new Injectable<DataManager>()
{
@Override
public DataManager getValue()
{
return getDataManager();
}
};
}
@Override
public DataManager getContext(Class<?> type)
{
return getDataManager();
}
public DataManager getDataManager()
{
return getDataManager(LocationMapper.get(), ARQ.getContext(), getServletContext());
}
public DataManager getDataManager(LocationMapper mapper, com.hp.hpl.jena.sparql.util.Context context,
ServletContext servletContext)
{
DataManager dataManager = new DataManager(mapper, context, servletContext);
FileManager.setStdLocators(dataManager);
dataManager.addLocatorLinkedData();
dataManager.removeLocatorURL();
if (log.isDebugEnabled()) log.debug("DataManager LocationMapper: {}", dataManager.getLocationMapper());
return dataManager;
}
}