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/**
* Copyright (c) 2004 - 2009 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
* Victor Roldan Betancort - maintenance
*/
package org.eclipse.net4j.tests;
import org.eclipse.net4j.util.io.IORuntimeException;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EPackage.Registry;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.xmi.impl.EcoreResourceFactoryImpl;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
* @author Eike Stepper
*/
public final class TestEMFUtil
{
public static List<EObject> loadMultiple(String fileName, ResourceSet resourceSet)
{
Resource resource = resourceSet.getResource(URI.createURI(fileName), true);
return resource.getContents();
}
public static EObject load(String fileName, ResourceSet resourceSet)
{
return loadMultiple(fileName, resourceSet).get(0);
}
/**
* returns the first node of the resource content
*/
public static EObject loadXMI(String fileName, EPackage... ePackages)
{
ResourceSet resourceSet = newXMIResourceSet(ePackages);
return load(fileName, resourceSet);
}
public static EObject loadXMI(String fileName, EPackage.Registry packageRegistry)
{
ResourceSet resourceSet = newXMIResourceSet();
resourceSet.setPackageRegistry(packageRegistry);
return load(fileName, resourceSet);
}
public static List<EObject> loadXMIMultiple(String fileName, EPackage.Registry packageRegistry)
{
ResourceSet resourceSet = newXMIResourceSet();
resourceSet.setPackageRegistry(packageRegistry);
return loadMultiple(fileName, resourceSet);
}
public static List<EObject> loadXMIMultiple(String fileName, EPackage... ePackages)
{
ResourceSet resourceSet = newXMIResourceSet(ePackages);
return loadMultiple(fileName, resourceSet);
}
public static EObject loadEcore(String fileName, EPackage.Registry packageRegistry)
{
return load(fileName, newEcoreResourceSet(packageRegistry));
}
public static EObject loadEcore(String fileName)
{
return load(fileName, newEcoreResourceSet());
}
public static void save(String fileName, EObject root, ResourceSet resourceSet)
{
save(fileName, Collections.singletonList(root), resourceSet);
}
public static void save(String fileName, List<EObject> roots, ResourceSet resourceSet)
{
URI uri = URI.createURI(fileName);
Resource resource = resourceSet.createResource(uri);
Collection<EObject> copiedRoots = EcoreUtil.copyAll(roots);
resource.getContents().addAll(copiedRoots);
try
{
resource.save(null);
}
catch (IOException ex)
{
throw new IORuntimeException(ex);
}
}
public static void saveXMI(String fileName, EObject root)
{
save(fileName, root, newXMIResourceSet());
}
public static void saveXMI(String fileName, List<EObject> roots)
{
save(fileName, roots, newXMIResourceSet());
}
public static void saveEcore(String fileName, EObject root)
{
save(fileName, root, newEcoreResourceSet());
}
public static ResourceSet newXMIResourceSet(EPackage... ePackages)
{
ResourceSet resourceSet = newResourceSet(new XMIResourceFactoryImpl());
if (ePackages != null && ePackages.length != 0)
{
Registry packageRegistry = resourceSet.getPackageRegistry();
for (EPackage ePackage : ePackages)
{
packageRegistry.put(ePackage.getNsURI(), ePackage);
}
}
return resourceSet;
}
public static ResourceSet newEcoreResourceSet()
{
return newEcoreResourceSet(EPackage.Registry.INSTANCE);
}
public static ResourceSet newResourceSet(Resource.Factory resourceFactory)
{
ResourceSet resourceSet = new ResourceSetImpl();
resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("*", resourceFactory);
return resourceSet;
}
public static ResourceSet newEcoreResourceSet(EPackage.Registry packageRegistry)
{
ResourceSet resourceSet = newResourceSet(new EcoreResourceFactoryImpl());
resourceSet.setPackageRegistry(packageRegistry);
return resourceSet;
}
public static int countAllContents(EObject eObject)
{
int count = 0;
for (TreeIterator<EObject> it = eObject.eAllContents(); it.hasNext(); it.next())
{
++count;
}
return count;
}
public static EClass[] getConcreteClasses(EPackage ePackage)
{
List<EClass> result = new ArrayList<EClass>(0);
for (EClassifier classifier : ePackage.getEClassifiers())
{
if (classifier instanceof EClass)
{
EClass eClass = (EClass)classifier;
if (!eClass.isAbstract() && !eClass.isInterface())
{
result.add(eClass);
}
}
}
return result.toArray(new EClass[result.size()]);
}
public static boolean isMany(EStructuralFeature eFeature)
{
return eFeature.isMany();
}
public static boolean isReference(EStructuralFeature eFeature)
{
return eFeature instanceof EReference;
}
public static boolean isContainment(EStructuralFeature eFeature)
{
if (isReference(eFeature))
{
EReference ref = (EReference)eFeature;
return ref.isContainment();
}
return false;
}
public static void registerPackage(EPackage ePackage, EPackage.Registry... packageRegistries)
{
ePackage.getClass(); // Initialize package in standalone mode
if (packageRegistries == null || packageRegistries.length == 0)
{
EPackage.Registry[] globalRegistry = { EPackage.Registry.INSTANCE };
packageRegistries = globalRegistry;
}
for (EPackage.Registry packageRegistry : packageRegistries)
{
packageRegistry.put(ePackage.getNsURI(), ePackage);
}
}
}
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