org.eclipse.xtext.resource.impl.DefaultResourceDescription Java Examples

@Before
public void setUp() throws Exception {
	EObject copy = EcoreUtil.copy(EcorePackage.eINSTANCE);
	resource = new ResourceImpl();
	resource.getContents().add(copy);
	IQualifiedNameProvider nameProvider = new IQualifiedNameProvider.AbstractImpl() {
		@Override
		public QualifiedName getFullyQualifiedName(EObject obj) {
			if (obj instanceof ENamedElement)
				return QualifiedName.create(((ENamedElement) obj).getName());
			return null;
		}
	};
	DefaultResourceDescriptionStrategy descriptionStrategy = new DefaultResourceDescriptionStrategy();
	descriptionStrategy.setQualifiedNameProvider(nameProvider);
	resourceDescription = new DefaultResourceDescription(resource, descriptionStrategy) {
		@Override
		public Iterable<QualifiedName> getImportedNames() {
			return importedNames;
		}
	};
	manager = new DefaultResourceDescriptionManager();
	importedNames = Collections.emptySet();
}
 

@Override
public IResourceDescription getResourceDescription(Resource resource) {
	if (resource instanceof JavaResource) {
		JavaResource javaResource = (JavaResource) resource;
		boolean initialized = javaResource.isInitialized() || javaResource.isInitializing();
		try {
			if (!initialized) {
				javaResource.eSetDeliver(false);
				javaResource.installStubs();
			}
			DefaultResourceDescription result = new DefaultResourceDescription(resource, descriptionStrategy,
					cache);
			if (!initialized) {
				for (IEObjectDescription d : result.getExportedObjects()) {
					d.getEObjectURI();
				}
			}
			return result;
		} finally {
			if (!initialized) {
				javaResource.discardDerivedState();
				javaResource.eSetDeliver(true);
			}
		}
	}
	throw new IllegalArgumentException("Can only handle JavaResources");
}
 

@Override
public IResourceDescription getResourceDescription(Resource resource) {
	return new DefaultResourceDescription(resource, null) {
		@Override
		protected List<IEObjectDescription> computeExportedObjects() {
			return exportedObjects;
		}
	};
}
 

@Override
public void setUp() throws Exception {
	super.setUp();
	with(new IndexTestLanguageStandaloneSetup());

	globalScopeProvider = new ResourceSetGlobalScopeProvider();
	nameProvider = new DefaultDeclarativeQualifiedNameProvider();
	nameConverter = new IQualifiedNameConverter.DefaultImpl();
	final DefaultResourceDescriptionStrategy strategy = new DefaultResourceDescriptionStrategy();
	strategy.setQualifiedNameProvider(nameProvider);
	final DefaultResourceDescriptionManager resourceDescMnr = new DefaultResourceDescriptionManager() {
		@Override
		public IResourceDescription getResourceDescription(Resource resource) {
			DefaultResourceDescription resourceDescription = new DefaultResourceDescription(resource,
					strategy);
			return resourceDescription;
		}
		
	};
	final DefaultResourceServiceProvider provider = new DefaultResourceServiceProvider() {
		@Override
		public Manager getResourceDescriptionManager() {
			return resourceDescMnr;
		}
	};
	globalScopeProvider.setGlobalResourceDecriptionProvider(new GlobalResourceDescriptionProvider(new ResourceServiceProviderRegistryImpl() {
		@Override
		public IResourceServiceProvider getResourceServiceProvider(URI uri, String contentType) {
			return provider;
		}
	}));
	CaseInsensitivityHelper caseInsensitivityHelper = new CaseInsensitivityHelper();
	globalScopeProvider.setCaseInsensitivityHelper(caseInsensitivityHelper);
	scopeProvider = new ImportedNamespaceAwareLocalScopeProvider(globalScopeProvider, nameProvider, nameConverter, caseInsensitivityHelper);
}
 

/**
 * Returns the containers for the given handles, where one of the containers will also include {@code desc} when appropriate.
 * 
 * @param handles
 *          handles to get containers for, must not be {@code null}
 * @param desc
 *          description to add, must not be {@code null}
 * @param resourceDescriptions
 *          resource descriptions, must not be {@code null}
 * @return list of containers, never {@code null}
 */
protected List<IContainer> getContainersForHandlesAndResource(final List<String> handles, final IResourceDescription desc, final IResourceDescriptions resourceDescriptions) {
  List<IContainer> result = getVisibleContainers(handles, resourceDescriptions);
  if (!result.isEmpty()) {
    URI descURI = desc.getURI();
    for (int i = 0; i < result.size(); i++) {
      if (result.get(i).getResourceDescription(descURI) != null) {
        return result;
      }
    }
    // Do *not* add the context resource description itself if we're in the first phase of a build: 'desc' itself
    // may not be in any consistent state, and adding it to the containers may result in recursive invocations of
    // getEObjectDescriptions(), leading to a stack overflow since it may in turn invoke getVisibleContainers() again.
    if (desc instanceof DefaultResourceDescription) {
      DefaultResourceDescription d = (DefaultResourceDescription) desc;
      if (BuildPhases.isIndexing(d.getResource())) {
        return result;
      }
    }
    // the IResourceDescription was found nowhere, add it to the first one that matches the description's domain.
    IDomain descDomain = mapper.map(descURI);
    IContainer wrappedContainer = null;
    int index = 0;
    for (int i = 0; i < result.size(); i++) {
      IContainer container = result.get(i);
      IDomain containerDomain = mapper.map(container);
      if (containerDomain != null && containerDomain.equals(descDomain)) {
        wrappedContainer = new DescriptionAddingContainer(desc, container);
        result.set(index, wrappedContainer);
        return result;
      }
      index++;
    }
    // If we get here, we found no container with a matching domain. Add to the first, but use a DescriptionAddingContainer that
    // will add the description at the end.
    wrappedContainer = new DescriptionAtEndAddingContainer(desc, result.get(0));
    result.set(0, wrappedContainer);
  }
  return result;
}
 

public IResourceDescription get(final URI uri) {
	refreshFile(uri);
	try {
		return (IResourceDescription) getEditingDomain()
				.runExclusive(new RunnableWithResult.Impl<IResourceDescription>() {
					@Override
					public void run() {
						final ResourceSet set = getResourceSet();
						final Resource resource = set.getResource(uri, true);
						if (resource != null) {
							IResourceServiceProvider serviceProvider = serviceProviderRegistry
									.getResourceServiceProvider(uri);
							if (serviceProvider == null) {
								setResult(new DefaultResourceDescription(resource, delegateStrategy));
								return;
							}
							final Manager resourceDescriptionManager = serviceProvider
									.getResourceDescriptionManager();
							if (resourceDescriptionManager == null)
								return;
							IResourceDescription result = resourceDescriptionManager
									.getResourceDescription(resource);
							setResult(result);
						}
					}
				});
	} catch (InterruptedException e) {
		e.printStackTrace();
		return null;
	}
}
 

@Override
public IResourceDescription getResourceDescription(Resource resource) {
	return new DefaultResourceDescription(resource, resourceDescriptionStrategy, cache);
}