/*******************************************************************************
* Copyright (c) 2013 AKSW Xturtle Project, itemis AG (http://www.itemis.eu).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
******************************************************************************/
package de.itemis.tooling.xturtle.resource;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.xtext.EcoreUtil2;
import org.eclipse.xtext.naming.QualifiedName;
import com.google.inject.Singleton;
@Singleton
class DefaultTurtleResourceService implements TurtleResourceService{
private TurtleResourceIndex getIndex(EObject o){
if(o!=null){
EList<Adapter> adapters = EcoreUtil2.getRootContainer(o).eAdapters();
for (Adapter adapter : adapters) {
if(adapter instanceof TurtleResourceIndex){
return (TurtleResourceIndex)adapter;
}
}
}
return null;
}
public String getFragment(EObject object){
TurtleResourceIndex index=getIndex(object);
if(index!=null){
return index.getFragment(object);
}
return null;
}
public EObject getObject(Resource resource, String fragment){
TurtleResourceIndex index=getIndex(resource.getContents().get(0));
if(index!=null){
return index.getObject(fragment);
}
return null;
}
public QualifiedName getQualifiedName(EObject res){
TurtleResourceIndex index=getIndex(res);
if(index!=null){
return index.getName(res);
}
return null;
}
public String getUriString(EObject object){
QualifiedName qName = getQualifiedName(object);
if(qName!=null){
return qName.toString("");
}
return null;
}
public void initialiseIndex(EObject root){
root=EcoreUtil2.getRootContainer(root);
TurtleResourceIndex cacheAdapter=getIndex(root);
if(cacheAdapter==null){
cacheAdapter=new TurtleResourceIndex();
root.eAdapters().add(cacheAdapter);
}
cacheAdapter.initIndex(root);
}
}