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/*
* Copyright (c) 2004-2014 Eike Stepper (Berlin, Germany) and others.
* 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
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.explorer;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.eresource.CDOResourceNode;
import org.eclipse.emf.cdo.explorer.checkouts.CDOCheckout;
import org.eclipse.emf.cdo.explorer.checkouts.CDOCheckoutManager;
import org.eclipse.emf.cdo.explorer.repositories.CDORepositoryManager;
import org.eclipse.emf.cdo.internal.explorer.bundle.OM;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EcoreUtil;
import java.util.LinkedList;
/**
* @author Eike Stepper
* @since 4.4
*/
public final class CDOExplorerUtil
{
public static CDORepositoryManager getRepositoryManager()
{
return OM.getRepositoryManager();
}
public static CDOCheckoutManager getCheckoutManager()
{
return OM.getCheckoutManager();
}
public static CDOCheckout getCheckout(EObject object)
{
return walkUp(object, null);
}
public static EObject getParent(EObject object)
{
EObject container = object.eContainer();
if (container != null)
{
return container;
}
if (object instanceof CDOResource)
{
CDOResource resource = (CDOResource)object;
if (resource.isRoot())
{
return null;
}
}
Resource resource = object.eResource();
if (resource instanceof CDOResource)
{
return (CDOResource)resource;
}
if (object instanceof CDOResourceNode)
{
CDOView view = ((CDOResourceNode)object).cdoView();
if (view != null)
{
return view.getRootResource();
}
}
return null;
}
public static LinkedList<EObject> getPath(EObject object)
{
LinkedList<EObject> path = new LinkedList<EObject>();
if (walkUp(object, path) != null)
{
return path;
}
return null;
}
private static CDOCheckout walkUp(EObject object, LinkedList<EObject> path)
{
while (object != null)
{
if (path != null)
{
path.addFirst(object);
}
Adapter adapter = EcoreUtil.getAdapter(object.eAdapters(), CDOCheckout.class);
if (adapter != null)
{
return (CDOCheckout)adapter;
}
object = getParent(object);
}
return null;
}
}
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