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/*
* Copyright (c) 2015 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.CDOElement;
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.internal.explorer.checkouts.CDOCheckoutImpl;
import org.eclipse.emf.cdo.internal.explorer.checkouts.CDOCheckoutViewProvider;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.net4j.util.AdapterUtil;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
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(Object object)
{
if (object instanceof CDOView)
{
CDOView view = (CDOView)object;
if (view.isClosed())
{
return null;
}
return (CDOCheckout)view.properties().get(CDOCheckoutImpl.CHECKOUT_KEY);
}
if (object instanceof URI)
{
URI uri = (URI)object;
return CDOCheckoutViewProvider.getCheckout(uri);
}
if (object instanceof String)
{
String id = (String)object;
return getCheckoutManager().getCheckout(id);
}
return walkUp(object, null);
}
public static Object getParent(Object object)
{
CDOElement cdoElement = AdapterUtil.adapt(object, CDOElement.class);
if (cdoElement != null)
{
return cdoElement.getParent();
}
if (object instanceof EObject)
{
EObject eObject = (EObject)object;
CDOElement element = (CDOElement)EcoreUtil.getExistingAdapter(eObject, CDOElement.class);
if (element != null)
{
return element;
}
return CDOElement.getParentOf(eObject);
}
return null;
}
public static String getName(Object object)
{
if (object instanceof CDOCheckout)
{
CDOCheckout checkout = (CDOCheckout)object;
return checkout.getLabel();
}
if (object instanceof CDOResourceNode)
{
CDOResourceNode resourceNode = (CDOResourceNode)object;
return resourceNode.getName();
}
return null;
}
public static LinkedList<Object> getPath(Object object)
{
LinkedList<Object> path = new LinkedList<Object>();
if (walkUp(object, path) != null)
{
return path;
}
return null;
}
public static CDOCheckout walkUp(Object object, LinkedList<Object> path)
{
while (object != null)
{
if (path != null)
{
path.addFirst(object);
}
if (object instanceof CDOCheckout)
{
return (CDOCheckout)object;
}
if (object instanceof EObject)
{
EObject eObject = (EObject)object;
Adapter adapter = EcoreUtil.getAdapter(eObject.eAdapters(), CDOCheckout.class);
if (adapter != null)
{
return (CDOCheckout)adapter;
}
}
object = getParent(object);
}
return null;
}
}
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