Examples with AbstractList java.util.AbstractList used on opensource projects

Example 76 with AbstractList

use of java.util.AbstractList in project xtext-eclipse by eclipse.

the class XtextGrammarQuickfixProvider method fixExternalImportedPackage.

@Fix(INVALID_PACKAGE_REFERENCE_EXTERNAL)
public void fixExternalImportedPackage(final Issue issue, IssueResolutionAcceptor acceptor) {
    if (issue.getData().length == 1)
        acceptor.accept(issue, "Update the imported package '" + issue.getData()[0] + "'", "Fix the bogus package import\n" + "import '" + issue.getData()[0] + "'", NULL_QUICKFIX_IMAGE, new IModification() {

            @Override
            public void apply(IModificationContext context) throws BadLocationException {
                String replaceString = valueConverterService.toString(issue.getData()[0], "STRING");
                IXtextDocument document = context.getXtextDocument();
                final List<String> importedPackages = document.priorityReadOnly(new IUnitOfWork<List<String>, XtextResource>() {

                    @Override
                    public List<String> exec(XtextResource state) throws Exception {
                        IResourceDescriptions descriptions = resourceDescriptionsProvider.getResourceDescriptions(state);
                        ResourceSet resourceSet = state.getResourceSet();
                        final Map<URI, URI> uriMap = Maps.newHashMap();
                        EPackage ePackage = loadPackageFromIndex(descriptions, resourceSet, uriMap, issue.getData()[0]);
                        if (ePackage != null) {
                            final Map<String, EPackage> packagePerNsURI = Maps.newHashMap();
                            packagePerNsURI.put(ePackage.getNsURI(), ePackage);
                            final Set<URI> updatedReferences = fixReferencesInPackages(ePackage, packagePerNsURI, uriMap, descriptions, resourceSet);
                            if (updatedReferences.isEmpty())
                                return null;
                            Iterator<EPackage> iterator = packagePerNsURI.values().iterator();
                            while (iterator.hasNext()) {
                                EPackage pack = iterator.next();
                                Resource resource = pack.eResource();
                                if (!resource.getURI().isPlatformResource()) {
                                    iterator.remove();
                                }
                            }
                            final List<String> result = Lists.newArrayList();
                            new WorkspaceModifyOperation() {

                                /* workspace lock */
                                @Override
                                protected void execute(IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException {
                                    try {
                                        for (EPackage pack : packagePerNsURI.values()) {
                                            Resource resource = pack.eResource();
                                            resource.save(Collections.singletonMap(XMLResource.OPTION_URI_HANDLER, new URIHandlerImpl.PlatformSchemeAware() {

                                                @Override
                                                public URI deresolve(URI uri) {
                                                    // replace archive uris with platform:/plugin
                                                    if (!uri.isArchive() || !updatedReferences.contains(uri)) {
                                                        return super.deresolve(uri);
                                                    }
                                                    URI withoutFragment = uri.trimFragment();
                                                    if (uriMap.containsKey(withoutFragment)) {
                                                        withoutFragment = uriMap.get(withoutFragment);
                                                    }
                                                    return super.deresolve(withoutFragment.appendFragment(uri.fragment()));
                                                }
                                            }));
                                            result.add(resource.getURI().toString());
                                        }
                                    } catch (IOException ioe) {
                                        throw new InvocationTargetException(ioe);
                                    }
                                }
                            }.run(new NullProgressMonitor());
                            for (int i = resourceSet.getResources().size() - 1; i >= 0; i--) {
                                Resource resource = resourceSet.getResources().get(i);
                                if (!resource.getContents().isEmpty() && resource.getContents().get(0) instanceof GenModel) {
                                    resourceSet.getResources().remove(i);
                                }
                            }
                            return result;
                        }
                        return null;
                    }

                    private Set<URI> fixReferencesInPackages(EPackage ePackage, Map<String, EPackage> packagePerNsURI, Map<URI, URI> uriMap, IResourceDescriptions descriptions, ResourceSet resourceSet) {
                        Set<URI> result = Sets.newHashSet();
                        Map<EObject, Collection<Setting>> allReferences = EcoreUtil.CrossReferencer.find(Collections.singletonList(ePackage));
                        for (final Setting setting : Iterables.concat(allReferences.values())) {
                            if (setting.getEStructuralFeature().isChangeable()) {
                                final Object referenced = setting.get(true);
                                List<Object> references = null;
                                if (referenced instanceof EObject) {
                                    references = new AbstractList<Object>() {

                                        @Override
                                        public Object set(int index, Object element) {
                                            setting.set(element);
                                            return referenced;
                                        }

                                        @Override
                                        public Object get(int index) {
                                            return referenced;
                                        }

                                        @Override
                                        public int size() {
                                            return 1;
                                        }
                                    };
                                } else {
                                    @SuppressWarnings("unchecked") List<Object> casted = (List<Object>) referenced;
                                    references = casted;
                                }
                                for (int i = 0; i < references.size(); i++) {
                                    if (references.get(i) instanceof EObject) {
                                        EObject referencedEObject = (EObject) references.get(i);
                                        EPackage transitive = EcoreUtil2.getContainerOfType(referencedEObject, EPackage.class);
                                        if (isRegisteredPackage(transitive)) {
                                            if (referencedEObject instanceof EDataType)
                                                continue;
                                            if (referencedEObject == EcorePackage.Literals.EOBJECT)
                                                continue;
                                            EPackage fromWorkspace = packagePerNsURI.get(transitive.getNsURI());
                                            if (fromWorkspace == null && !packagePerNsURI.containsKey(transitive.getNsURI())) {
                                                fromWorkspace = loadPackageFromIndex(descriptions, resourceSet, uriMap, transitive.getNsURI());
                                                packagePerNsURI.put(transitive.getNsURI(), fromWorkspace);
                                            }
                                            if (fromWorkspace != null) {
                                                String fragment = transitive.eResource().getURIFragment(referencedEObject);
                                                EObject replacement = fromWorkspace.eResource().getEObject(fragment);
                                                if (replacement != null) {
                                                    result.add(EcoreUtil.getURI(replacement));
                                                    references.set(i, replacement);
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                        return result;
                    }

                    private boolean isRegisteredPackage(EPackage ePackage) {
                        return ePackage != null && (ePackage.eResource() == null || ePackage.getNsURI().equals(ePackage.eResource().getURI().toString()));
                    }

                    private EPackage loadPackageFromIndex(IResourceDescriptions descriptions, ResourceSet resourceSet, Map<URI, URI> uriMap, String nsURI) {
                        Iterable<IEObjectDescription> fixUs = descriptions.getExportedObjects(EcorePackage.Literals.EPACKAGE, QualifiedName.create(nsURI), false);
                        for (IEObjectDescription description : fixUs) {
                            if (description.getEObjectURI().isPlatformResource()) {
                                EObject result = resourceSet.getEObject(description.getEObjectURI(), true);
                                if (result instanceof EPackage) {
                                    return (EPackage) result;
                                }
                            }
                        }
                        URI genModelURI = EcorePlugin.getEPackageNsURIToGenModelLocationMap(false).get(nsURI);
                        if (genModelURI != null) {
                            Resource genmodelResource = resourceSet.getResource(genModelURI, true);
                            GenModel genModel = (GenModel) genmodelResource.getContents().get(0);
                            for (GenPackage genPackage : genModel.getGenPackages()) {
                                Object object = genPackage.eGet(GenModelPackage.Literals.GEN_PACKAGE__ECORE_PACKAGE, false);
                                if (object instanceof EObject) {
                                    EObject proxy = (EObject) object;
                                    URI proxyURI = EcoreUtil.getURI(proxy);
                                    URI resolvedProxyURI = proxyURI.resolve(genModelURI);
                                    if (nsURI.equals(genPackage.getEcorePackage().getNsURI())) {
                                        EPackage result = genPackage.getEcorePackage();
                                        uriMap.put(result.eResource().getURI(), resolvedProxyURI.trimFragment());
                                        return result;
                                    }
                                }
                            }
                        }
                        return null;
                    }
                });
                String delimiter = document.get(issue.getOffset(), 1);
                if (!replaceString.startsWith(delimiter)) {
                    replaceString = delimiter + replaceString.substring(1, replaceString.length() - 1) + delimiter;
                }
                document.replace(issue.getOffset(), issue.getLength(), replaceString);
                if (importedPackages != null && !importedPackages.isEmpty()) {
                    final Shell shell = workbench.getActiveWorkbenchWindow().getShell();
                    shell.getDisplay().asyncExec(new Runnable() {

                        @Override
                        public void run() {
                            String title = "Please update the Ecore2XtextDslProjectContributor that generates the language.";
                            String message = "Please make sure that the Ecore2XtextDslProjectContributor that generates the language is up-to date.\n" + "Especially important is the registration of the referenced packages.\n" + "Please refer to the reference documentation for details.";
                            MessageDialog dialog = new MessageDialog(shell, title, null, message, MessageDialog.INFORMATION, new String[] { "Open Documentation", "Close" }, 1);
                            if (dialog.open() == 0) {
                                try {
                                    workbench.getBrowserSupport().getExternalBrowser().openURL(new URL(GRAMMAR_LANG_DOC));
                                } catch (Exception e) {
                                // ignore
                                }
                            }
                        }
                    });
                }
            }
        });
}