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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
*/
package org.eclipse.emf.cdo.internal.common.model;
import org.eclipse.net4j.util.WrappedException;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EcoreFactory;
import org.eclipse.emf.ecore.EcorePackage;
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.xmi.impl.EcoreResourceFactoryImpl;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* @author Eike Stepper
*/
public class TestTransfer
{
public static void main(String[] args) throws IOException
{
// Create packageA
//
EAttribute attributeA = EcoreFactory.eINSTANCE.createEAttribute();
attributeA.setName("attributeA");
attributeA.setEType(EcorePackage.eINSTANCE.getEString());
EClass classA = EcoreFactory.eINSTANCE.createEClass();
classA.setName("classA");
classA.getEStructuralFeatures().add(attributeA);
EPackage packageA = EcoreFactory.eINSTANCE.createEPackage();
packageA.setName("packageA");
packageA.setNsPrefix("packageA");
packageA.setNsURI("http://packageA");
packageA.getEClassifiers().add(classA);
// Create packageB
//
EAttribute attributeB = EcoreFactory.eINSTANCE.createEAttribute();
attributeB.setName("attributeB");
attributeB.setEType(EcorePackage.eINSTANCE.getEString());
EClass classB = EcoreFactory.eINSTANCE.createEClass();
classB.setName("classA");
classB.getEStructuralFeatures().add(attributeB);
classB.getESuperTypes().add(classA);
EPackage packageB = EcoreFactory.eINSTANCE.createEPackage();
packageB.setName("packageB");
packageB.setNsPrefix("packageB");
packageB.setNsURI("http://packageB");
packageB.getEClassifiers().add(classB);
// Simulate generated global packages
//
EPackage.Registry.INSTANCE.put(packageA.getNsURI(), packageA);
EPackage.Registry.INSTANCE.put(packageB.getNsURI(), packageB);
// Serialize both packages
//
ByteArrayOutputStream baos = new ByteArrayOutputStream();
serialize(packageA, baos);
serialize(packageB, baos);
}
private static void serialize(EPackage ePackage, OutputStream out) throws IOException
{
Resource resource = ePackage.eResource();
if (resource == null)
{
resource = createPackageResource(ePackage.getNsURI());
resource.getContents().add(ePackage);
}
resource.save(out, null);
}
private static Resource createPackageResource(String uri)
{
Resource.Factory resourceFactory = new EcoreResourceFactoryImpl();
ResourceSet resourceSet = new ResourceSetImpl();
resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("*", resourceFactory);
resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put("*", resourceFactory);
return resourceSet.createResource(URI.createURI(uri));
}
public static class UTIL
{
public static byte[] getPackageBytes(EPackage ePackage, boolean zipped)
{
try
{
Resource resource = ePackage.eResource();
if (resource == null)
{
resource = createPackageResource(ePackage.getNsURI());
resource.getContents().add(ePackage);
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
resource.save(baos, null);
return baos.toByteArray();
}
catch (Exception ex)
{
throw WrappedException.wrap(ex);
}
}
public static EPackage createPackage(String uri, byte[] bytes, boolean zipped)
{
try
{
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
Resource resource = createPackageResource(uri);
resource.load(bais, null);
EList<EObject> contents = resource.getContents();
return (EPackage)contents.get(0);
}
catch (Exception ex)
{
throw WrappedException.wrap(ex);
}
}
}
}
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