Generate eCore and GenModel from XSD

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.codegen.ecore.genmodel.GenJDKLevel;
import org.eclipse.emf.codegen.ecore.genmodel.GenModel;
import org.eclipse.emf.codegen.ecore.genmodel.GenModelFactory;
import org.eclipse.emf.codegen.ecore.genmodel.GenPackage;
import org.eclipse.emf.codegen.ecore.genmodel.impl.GenModelFactoryImpl;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.plugin.EcorePlugin;
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.XMIResource;
import org.eclipse.emf.ecore.xmi.XMLResource;
import org.eclipse.emf.ecore.xmi.impl.EcoreResourceFactoryImpl;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl;
import org.eclipse.xsd.ecore.XSDEcoreBuilder;

public class Main {

    public static void main(String[] args) throws Exception {
        
        URI schemaURI = URI.createFileURI(new File("schema.xsd").getAbsolutePath());
        String eCorePath = new File("schema.ecore").getAbsolutePath();
        Collection<Resource> ecoreResources = new XSDEcoreBuilder().generateResources(schemaURI);
        for (Resource ecoreResource : ecoreResources) {
            System.out.println(ecoreResource.getClass().getName() + " " + (ecoreResource instanceof XMIResourceImpl));

            if (ecoreResource instanceof XMIResourceImpl) {
                XMIResourceImpl generatedPackage = (XMIResourceImpl) ecoreResource;
                ecoreResource.save(new FileOutputStream(eCorePath), null);
//              createGenModel(generatedPackage, eCorePath, new File("schema.genmodel").getAbsolutePath());

                Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap( ).put
                ("ecore", new EcoreResourceFactoryImpl());
                Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap( ).put
                ("genmodel", new EcoreResourceFactoryImpl());
                
                

                
                IPath ecorePath = new Path(eCorePath);
//              generator.basePackage = arguments[2];
                String prefix = "KazkoksPrefix";
                ResourceSet resourceSet = new ResourceSetImpl();
//              resourceSet.getURIConverter().getURIMap().putAll(EcorePlugin.computePlatformURIMap());
                URI ecoreURI = URI.createFileURI(ecorePath.toString());
                Resource resource = resourceSet.getResource(ecoreURI, true);
                EPackage ePackage = (EPackage) resource.getContents().get(0);
                IPath genModelPath = ecorePath.removeFileExtension().addFileExtension("genmodel");
                URI genModelURI = URI.createFileURI(genModelPath.toString());
                Resource genModelResource = Resource.Factory.Registry.INSTANCE.getFactory(genModelURI).createResource(genModelURI);
                GenModel genModel = GenModelFactory.eINSTANCE.createGenModel();
                genModelResource.getContents().add(genModel);
                resourceSet.getResources().add(genModelResource);
                genModel.setModelDirectory("/arTikraiCiaGeneruojam");
                genModel.getForeignModel().add(ecorePath.toString());
                genModel.initialize(Collections.singleton(ePackage));
                GenPackage genPackage = genModel.getGenPackages().get(0);
                genModel.setModelName(genModelURI.trimFileExtension().lastSegment());
                genPackage.setPrefix(prefix);
                genPackage.setBasePackage("com.nasdaq");
                genModelResource.save(Collections.EMPTY_MAP);
            }
        }
    }

    private static void createGenModel(final XMIResourceImpl resource, final String ecoreLocation,
            final String genModelLocation) {

            GenModel genModel = GenModelFactory.eINSTANCE.createGenModel();
//          genModel.setComplianceLevel(GenJDKLevel.JDK80_LITERAL);
//          genModel.setModelDirectory(new File(ecoreLocation).getParent());
//          genModel.getForeignModel().add(new Path(ecoreLocation).lastSegment());
//          genModel.setModelName("XXXXXXXXXXXXXXXXXXXXXXXXXX");
//          genModel.setRootExtendsInterface(Constants.GEN_MODEL_EXTENDS_INTERFACE.getValue());
            genModel.initialize(Collections.singleton((EPackage)(resource.getContents().get(0))));

//          GenPackage genPackage = (GenPackage)genModel.getGenPackages().get(0);
//          genPackage.setPrefix("Schema");

            try {
                URI genModelURI = URI.createFileURI(genModelLocation);
                final XMIResourceImpl genModelResource = new XMIResourceImpl(genModelURI);
                genModelResource.getDefaultSaveOptions().put(XMLResource.OPTION_ENCODING,
                    "UTF-8");
                genModelResource.getContents().add(genModel);
                genModelResource.save(Collections.EMPTY_MAP);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
    }
}