Java Code Examples for org.eclipse.xtext.resource.XtextResource#getURI()

public static String getCompleteContent(XtextResource xr) throws IOException, UnsupportedEncodingException {
	XtextResourceSet resourceSet = (XtextResourceSet) xr.getResourceSet();
	URIConverter uriConverter = resourceSet.getURIConverter();
	URI uri = xr.getURI();
	String encoding = xr.getEncoding();

	InputStream inputStream = null;

	try {
		inputStream = uriConverter.createInputStream(uri);

		return getCompleteContent(encoding, inputStream);
	} finally {
		tryClose(inputStream, null);
	}
}
 

/**
 * Return the visible containers given a resource.
 *
 * @param resource
 *          the resource. Must not be {@code null}
 * @return The list of visible containers.
 */
protected List<IContainer> getVisibleContainers(final XtextResource resource) {
  URI uri = resource.getURI();
  List<IContainer> result = null;
  final ResourceCache<URI, List<IContainer>> cache = CacheManager.getInstance().getOrCreateResourceCache("AbstractPolymorphicScopeProvider#visibleContainers", resource); //$NON-NLS-1$
  if (cache != null) {
    result = cache.get(uri);
    if (result != null) {
      return result;
    }
  }

  final IResourceServiceProvider resourceServiceProvider = resource.getResourceServiceProvider();
  final IResourceDescription.Manager descriptionManager = resourceServiceProvider.getResourceDescriptionManager();
  final IContainer.Manager containerManager = resourceServiceProvider.getContainerManager();

  final IResourceDescription description = descriptionManager.getResourceDescription(resource);
  final IResourceDescriptions resourceDescriptions = getResourceDescriptions(resource);
  result = containerManager.getVisibleContainers(description, resourceDescriptions);
  if (cache != null) {
    cache.set(uri, result);
  }
  return result;
}
 

/**
 * Computes an MD5 hash from the given resource's source code (the actual source text), as stored in
 * {@link TModule#getAstMD5()}. Will fail with an exception if the given resource does not have a valid
 * {@link XtextResource#getParseResult() parse result}, as created by Xtext during parsing.
 */
public static String md5Hex(XtextResource resource) {
	final IParseResult parseResult = resource.getParseResult();
	final INode rootNode = parseResult != null ? parseResult.getRootNode() : null;
	final String source = rootNode != null ? rootNode.getText() : null;
	if (source == null) {
		throw new IllegalStateException("resource does not have a valid parse result: " + resource.getURI());
	}
	return Hashing.murmur3_128(SEED).hashString(source, Charsets.UTF_8).toString();
}
 

/**
 * Returns the {@link URI uri} of the associated {@link org.eclipse.emf.ecore.resource.Resource emf resource}.
 * May be null if no resource is available or its uri is <code>null</code>.
 * @return the resource uri if available.
 * @since 2.1
 */
@Override
public URI getResourceURI() {
	XtextResource resource = this.resource;
	if (resource != null)
		return resource.getURI();
	return null;
}
 

protected IRenameElementContext createLocalRenameElementContext(EObject targetElement, XtextEditor editor,
		ITextSelection selection, XtextResource resource) {
	final URI targetElementURI = EcoreUtil2.getPlatformResourceOrNormalizedURI(targetElement);
	IRenameElementContext.Impl renameElementContext = new IRenameElementContext.Impl(targetElementURI,
			targetElement.eClass(), editor, selection, resource.getURI());
	return renameElementContext;
}
 

protected IXtextDocument getDocument(final String currentModelToParse) {
	final XtextResource xtextResource = loadHelper.getResourceFor(new StringInputStream(Strings.emptyIfNull(currentModelToParse)));
	if (announceDirtyState) {
		dirtyResource = new IDirtyResource() {
			@Override
			public String getContents() {
				return currentModelToParse;
			}

			@Override
			public String getActualContents() {
				return currentModelToParse;
			}

			@Override
			public IResourceDescription getDescription() {
				return xtextResource.getResourceServiceProvider().getResourceDescriptionManager().getResourceDescription(xtextResource);
			}

			@Override
			public URI getURI() {
				return xtextResource.getURI();
			}
		};
		dirtyStateManager.manageDirtyState(dirtyResource);
	}
	return getDocument(xtextResource, currentModelToParse);
}