XtextLinkingService.java 文件源码

private List<EObject> createPackage(GeneratedMetamodel generatedMetamodel, ILeafNode text) {
    final String nsURI = getMetamodelNsURI(text);
    final URI uri = URI.createURI(nsURI);
    if (uri == null || isReferencedByUsedGrammar(generatedMetamodel, nsURI))
        return Collections.emptyList();
    EPackage pack = ((GeneratedMetamodelImpl)generatedMetamodel).basicGetEPackage();
    if (pack != null && !pack.eIsProxy())
        return singletonList((EObject)pack);
    final EPackage generatedEPackage = EcoreFactory.eINSTANCE.createEPackage();
    generatedEPackage.setName(generatedMetamodel.getName());
    generatedEPackage.setNsPrefix(generatedMetamodel.getName());
    generatedEPackage.setNsURI(nsURI);
    final Resource generatedPackageResource = new EcoreResourceFactoryImpl().createResource(uri);
    XtextResourceSet resourceSet = (XtextResourceSet) generatedMetamodel.eResource().getResourceSet();
    if (!resourceSet.getURIResourceMap().containsKey(generatedPackageResource.getURI())) {
        generatedMetamodel.eResource().getResourceSet().getResources().add(generatedPackageResource);
    } else {
        generatedPackageResource.setURI(URI.createURI(nsURI+"_"+generatedMetamodel.hashCode()));
        generatedMetamodel.eResource().getResourceSet().getResources().add(generatedPackageResource);
    }
    generatedPackageResource.getContents().add(generatedEPackage);
    return Collections.<EObject>singletonList(generatedEPackage);
}