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/*****************************************************************************
* Copyright (c) 2009 Atos Origin.
*
*
* 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:
* Tristan Faure (Atos Origin) tristan.faure@atosorigin.com - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.resource.util;
import java.util.Iterator;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.resource.Resource;
import org.eclipse.papyrus.resource.ResourceFactory;
/**
* This class provides static methods to help users using Resources
*
* @author tristan.faure@atosorigin.com
*
*/
public class ResourceUtil {
/**
* Get in the EMF Resource of the eobject e the Resource Papyrus If it doesn't exist, it adds it
*
* @param e
* the eobject contained in the resource browsed
* @return the Resource or null if the parameter is null or if the eobject in parameter doesn't
* have an EMF Resource
*/
public static Resource getResource(EObject e) {
if (e == null || e.eResource() == null) {
return null;
}
return getResource(e.eResource());
}
/**
* Get in the EMF Resource the Resource papyrus If it doesn't exist, it adds it
*
* @param eResource
* the Papyrus Resource browsed
* @return the Resource or null if the parameter is null
*/
public static Resource getResource(org.eclipse.emf.ecore.resource.Resource eResource) {
if (eResource == null) {
return null;
}
Resource result = null;
for (EObject e : eResource.getContents()) {
if (e instanceof Resource) {
result = (Resource) e;
break;
}
}
if (result == null) {
result = ResourceFactory.eINSTANCE.createResource();
eResource.getContents().add(result);
}
return result;
}
/**
* Remove the Papyrus Resource from the EMF Resource of e
*
* @param e
*/
public static void removeResource(EObject e) {
if (e == null || e.eResource() == null) {
return;
}
removeResource(e.eResource());
}
/**
* Remove the Papyrus Resource from the EMF Resource eResource
*
* @param eResource
*/
public static void removeResource(org.eclipse.emf.ecore.resource.Resource eResource) {
if (eResource == null) {
return;
}
Iterator<EObject> i = eResource.getContents().iterator();
while (i.hasNext()) {
EObject current = i.next();
if (current instanceof Resource) {
i.remove();
}
}
}
}
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