}
private static SecurityModel read(String modelString) throws IOException {
ResourceSet resourceSet = new ResourceSetImpl();
resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put(Registry.DEFAULT_EXTENSION, new XMIResourceFactoryImpl());
Resource xmlResource = resourceSet.createResource(URI.createURI("dummy.deploy")); //$NON-NLS-1$
// Register the package -- only needed for stand-alone!
resourceSet.getPackageRegistry().put(UamPackage.eNS_URI, UamPackage.eINSTANCE);
resourceSet.getPackageRegistry().put(ExpressionPackage.eNS_URI, ExpressionPackage.eINSTANCE);
resourceSet.getPackageRegistry().put(StdlibPackage.eNS_URI, StdlibPackage.eINSTANCE);
ByteArrayInputStream bais = new ByteArrayInputStream(modelString.getBytes());