/*
* 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.clerezza.rdf.web.core;
import javax.ws.rs.FormParam;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import org.apache.clerezza.jaxrs.utils.RedirectUtil;
import org.apache.clerezza.platform.typerendering.RenderletManager;
import org.apache.clerezza.rdf.core.MGraph;
import org.apache.clerezza.rdf.core.TripleCollection;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.clerezza.rdf.core.UriRef;
import org.apache.clerezza.rdf.core.access.NoSuchEntityException;
import org.apache.clerezza.rdf.core.access.TcManager;
import org.apache.clerezza.rdf.core.impl.SimpleMGraph;
import org.apache.clerezza.rdf.core.impl.TripleImpl;
import org.apache.clerezza.rdf.ontologies.FOAF;
import org.apache.clerezza.rdf.ontologies.OWL;
import org.apache.clerezza.rdf.ontologies.PLATFORM;
import org.apache.clerezza.rdf.ontologies.RDF;
import org.apache.clerezza.rdf.utils.Smusher;
import org.osgi.service.component.ComponentContext;
/**
* Provides a method to remove duplicate noded from (aka smush) a Graph
*
* @author reto
*/
@Component
@Service(Object.class)
@Property(name="javax.ws.rs", boolValue=true)
@Path("/admin/graphs/smush")
public class Smush {
private final UriRef tBoxName = new UriRef("urn:x-localinstance:/tbox.graph");
@Reference
private TcManager tcManager;
@Reference
private RenderletManager renderletManager;
private TripleCollection tBox;
protected void activate(ComponentContext componentContext) {
try {
//getting the tBox here means no read right on Tbox is necessary
//when smushing
tBox = tcManager.getTriples(tBoxName);
} catch (NoSuchEntityException e) {
tBox = new SimpleMGraph();
tBox.add(new TripleImpl(FOAF.mbox, RDF.type, OWL.InverseFunctionalProperty));
tBox.add(new TripleImpl(FOAF.mbox_sha1sum, RDF.type, OWL.InverseFunctionalProperty));
tBox.add(new TripleImpl(PLATFORM.userName, RDF.type, OWL.InverseFunctionalProperty));
tBox = tcManager.createGraph(tBoxName, tBox);
}
}
@POST
public Response smush(@Context UriInfo uriInfo, @FormParam("graphName") UriRef graphName) {
MGraph mGraph = tcManager.getMGraph(graphName);
Smusher.smush(mGraph, tBox);
return RedirectUtil.createSeeOtherResponse("./", uriInfo);
}
}