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Ontology-driven Linked Data processor and server for SPARQL backends
/*
* Copyright 2016 Martynas Jusevičius .
*
* 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 com.atomgraph.server.provider;
import com.atomgraph.processor.model.Template;
import org.apache.jena.ontology.Ontology;
import com.sun.jersey.core.spi.component.ComponentContext;
import com.sun.jersey.spi.inject.Injectable;
import com.sun.jersey.spi.inject.PerRequestTypeInjectableProvider;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Providers;
import com.atomgraph.processor.util.TemplateMatcher;
import javax.ws.rs.ext.Provider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Template provider.
*
* @see com.atomgraph.processor.model.Template
* @author Martynas Jusevičius {@literal }
*/
@Provider
public class TemplateProvider extends PerRequestTypeInjectableProvider implements ContextResolver
{
private static final Logger log = LoggerFactory.getLogger(TemplateProvider.class);
@Context UriInfo uriInfo;
@Context Providers providers;
public TemplateProvider()
{
super(Template.class);
}
@Override
public Injectable getInjectable(ComponentContext ic, Context a)
{
return new Injectable()
{
@Override
public Template getValue()
{
return getTemplate();
}
};
}
@Override
public Template getContext(Class type)
{
return getTemplate();
}
public Template getTemplate()
{
if (getOntology() != null) return getTemplate(getOntology(), getUriInfo());
return null;
}
public Template getTemplate(Ontology ontology, UriInfo uriInfo)
{
return new TemplateMatcher(ontology).match(uriInfo.getAbsolutePath(), uriInfo.getBaseUri());
}
public UriInfo getUriInfo()
{
return uriInfo;
}
public Ontology getOntology()
{
return getProviders().getContextResolver(Ontology.class, null).getContext(Ontology.class);
}
public Providers getProviders()
{
return providers;
}
}
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