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/*******************************************************************************
* Copyright (c) 2013 Atos
* 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:
* Arthur Daussy - initial implementation
*******************************************************************************/
package org.eclipse.papyrus.team.collaborative.utils.funtions;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.papyrus.team.collaborative.ExtendedURI;
import org.eclipse.papyrus.team.collaborative.IExtendedURI;
import org.eclipse.papyrus.team.collaborative.utils.URIUtils;
import com.google.common.base.Function;
/**
* The Class ExtendedURIToEObjects.
* Function used to convert {@link ExtendedURI} to {@link java.util.List} of {@link EObject}
*/
public class ExtendedURIToEObjects implements Function<IExtendedURI, Collection<EObject>> {
/** The resource set. */
private ResourceSet resourceSet;
/**
* Instantiates a new extended uri to e objects.
*
* @param resourceSet
* the resource set
*/
public ExtendedURIToEObjects(ResourceSet resourceSet) {
super();
this.resourceSet = resourceSet;
}
/*
* (non-Javadoc)
*
* @see com.google.common.base.Function#apply(java.lang.Object)
*/
@Override
public Collection<EObject> apply(IExtendedURI from) {
if(URIUtils.isEObject(from.getUri(), resourceSet)) {
return Collections.singleton(resourceSet.getEObject(from.getUri(), false));
} else if(URIUtils.isResourceURI(from.getUri(), resourceSet)) {
Resource resource = resourceSet.getResource(from.getUri(), false);
if(resource != null) {
return resource.getContents();
}
}
return Collections.emptyList();
}
}
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