public class ShredService {

	public ShredService() {
		Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().
			put("xml",  new GenericXMLResourceFactoryImpl());
		Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().
			put("xsd",  new XSDResourceFactoryImpl());
	}
	
	
	public EObject load(InputStream inputStream) {
		ResourceSet resourceSet = new ResourceSetImpl();
		Resource resource = resourceSet.createResource(
			org.eclipse.emf.common.util.URI.createURI("*.xml"));
		
		resource.load(inputStream, null);
		
		EObject document = resource.getContents().get(0);
		EObject rootNode = document.eContents().get(0);
		
		saveDynamicPackages(resourceSet);
		
		return rootNode;
	}
	
	public void saveDynamicPackages(ResourceSet resourceSet) {
                for (String key : resourceSet.getPackageRegistry().keySet()) {
                      EPackage.Registry.INSTANCE.put(key, resourceSet.getPackageRegistry().get(key));
                }
	}
}

DefaultEcoreBuilder.generate(Map<String,URI>) line: 96	
SAXXMLHandler(XMLHandler).processSchemaLocations(String, String) line: 1707	
SAXXMLHandler(XMLHandler).handleTopLocations(String, String) line: 1748	
SAXXMLHandler(XMLHandler).createObjectByType(String, String, boolean) line: 1296	
SAXXMLHandler(XMLHandler).createTopObject(String, String) line: 1468	
SAXXMLHandler(XMLHandler).processElement(String, String, String) line: 1019	
SAXXMLHandler(XMLHandler).startElement(String, String, String) line: 1001	
SAXXMLHandler(XMLHandler).startElement(String, String, String, Attributes) line: 712	
SAXParserImpl$JAXPSAXParser(AbstractSAXParser).startElement(QName, XMLAttributes, Augmentations) line: 501	
XMLDTDValidator.startElement(QName, XMLAttributes, Augmentations) line: 767	

/**
 * An EcoreBuilder that checks to see if the package namespaces
 * are already loaded into the global package registry. If they are
 * then the URI for that namespace is not loaded. The effect is to cache
 * the namespaces in the global registry.
 * 
 * @author donlaidlaw
 * 
 */
public class SchemaCachingEcoreBuilder extends DefaultEcoreBuilder {

	public SchemaCachingEcoreBuilder(ExtendedMetaData extendedMetaData) {
		super(extendedMetaData);
	}

	@Override
	public Collection<? extends Resource> generate(
			Map<String, URI> targetNamespaceToURI) throws Exception {
		if (targetNamespaceToURI != null
				&& XSD_ECORE_BUILDER_CONSTRUCTOR != null
				&& XSD_ECORE_BUILDER_GENERATE_RESOURCES_METHOD != null) {
			Map<String, URI> notCachedMap = new HashMap<String, URI>();
			for (Map.Entry<String, URI> entry : targetNamespaceToURI.entrySet()) {
				if (EPackage.Registry.INSTANCE.getEPackage(entry.getKey()) == null) {
					notCachedMap.put(entry.getKey(), entry.getValue());
				}
			}
			if (!notCachedMap.isEmpty())
				return doOriginalGenerate(notCachedMap);
		}
		return Collections.emptyList();
	}
	
	public Collection<? extends Resource> doOriginalGenerate(Map<String, URI> targetNamespaceToURI) throws Exception {
		Object ecoreBuilder = XSD_ECORE_BUILDER_CONSTRUCTOR
				.newInstance(new Object[] { extendedMetaData,
						XSD_ECORE_BUILDER_OPTIONS });
		@SuppressWarnings("unchecked")
		Collection<? extends Resource> result = (Collection<? extends Resource>) XSD_ECORE_BUILDER_GENERATE_RESOURCES_METHOD
				.invoke(ecoreBuilder,
						new Object[] { targetNamespaceToURI.values() });
		return result;
	}
}