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

Example 51 with Collections

use of java.util.Collections in project spring-framework by spring-projects.

the class TomcatRequestUpgradeStrategy method upgrade.

@Override
public Mono<Void> upgrade(ServerWebExchange exchange, WebSocketHandler handler, Optional<String> subProtocol) {
    ServerHttpRequest request = exchange.getRequest();
    ServerHttpResponse response = exchange.getResponse();
    HttpServletRequest servletRequest = getHttpServletRequest(request);
    HttpServletResponse servletResponse = getHttpServletResponse(response);
    Endpoint endpoint = new StandardWebSocketHandlerAdapter(handler, session -> {
        HandshakeInfo info = getHandshakeInfo(exchange, subProtocol);
        DataBufferFactory factory = response.bufferFactory();
        return new StandardWebSocketSession(session, info, factory);
    });
    String requestURI = servletRequest.getRequestURI();
    DefaultServerEndpointConfig config = new DefaultServerEndpointConfig(requestURI, endpoint);
    config.setSubprotocols(subProtocol.map(Collections::singletonList).orElse(Collections.emptyList()));
    try {
        WsServerContainer container = getContainer(servletRequest);
        container.doUpgrade(servletRequest, servletResponse, config, Collections.emptyMap());
    } catch (ServletException | IOException ex) {
        return Mono.error(ex);
    }
    return Mono.empty();
}

Example 52 with Collections

use of java.util.Collections in project L42 by ElvisResearchGroup.

the class Translator method useFrom.

//this should take a class, strip out nested and 'from' it so that it is as at top level
static ClassB useFrom(ClassB ct, Path p) {
    ArrayList<Member> ms = new ArrayList<Member>();
    for (Member m : ct.getMs()) {
        m.match(nc -> null, mi -> {
            throw Assertions.codeNotReachable();
        }, mt -> ms.add(From.from(mt, p)));
    }
    //for(PathMwt pmwt:ct.getStage().getInherited()){
    for (PathMwt pmwt : Collections.<PathMwt>emptyList()) {
        if (Functions.getIfInDom(ms, pmwt.getMwt().getMs()).isPresent()) {
            continue;
        }
        ms.add(From.from(pmwt.getMwt(), p));
    }
    List<Path> sup = tools.Map.of(ti -> (Path) From.fromP(ti.getPath(), p), ct.getSupertypes());
    //tools.Map.of(pi->(Path)From.fromP(pi,p),ct.getStage().getInheritedPaths());
    List<Path> supAll = sup;
    ClassB res = ct.withMs(ms).withSupertypes(tools.Map.of(pi -> pi.toImmNT(), sup));
    return res;
}

Example 53 with Collections

use of java.util.Collections in project wildfly by wildfly.

the class ChannelCommandDispatcher method submitOnCluster.

@Override
public <R> Map<Node, Future<R>> submitOnCluster(Command<R, ? super C> command, Node... excludedNodes) throws CommandDispatcherException {
    Map<Node, Future<R>> results = new ConcurrentHashMap<>();
    FutureListener<RspList<R>> listener = future -> {
        try {
            future.get().keySet().stream().map(address -> this.factory.createNode(address)).forEach(node -> results.remove(node));
        } catch (CancellationException e) {
        } catch (ExecutionException e) {
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    };
    Message message = this.createMessage(command);
    RequestOptions options = this.createRequestOptions(excludedNodes);
    try {
        Future<? extends Map<Address, Rsp<R>>> futureResponses = this.dispatcher.castMessageWithFuture(null, message, options, listener);
        Set<Node> excluded = (excludedNodes != null) ? new HashSet<>(Arrays.asList(excludedNodes)) : Collections.<Node>emptySet();
        for (Address address : this.dispatcher.getChannel().getView().getMembers()) {
            Node node = this.factory.createNode(address);
            if (!excluded.contains(node)) {
                Future<R> future = new Future<R>() {

                    @Override
                    public boolean cancel(boolean mayInterruptIfRunning) {
                        return futureResponses.cancel(mayInterruptIfRunning);
                    }

                    @Override
                    public R get() throws InterruptedException, ExecutionException {
                        Map<Address, Rsp<R>> responses = futureResponses.get();
                        Rsp<R> response = responses.get(address);
                        if (response == null) {
                            throw new CancellationException();
                        }
                        return createCommandResponse(response).get();
                    }

                    @Override
                    public R get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
                        Map<Address, Rsp<R>> responses = futureResponses.get(timeout, unit);
                        Rsp<R> response = responses.get(address);
                        if (response == null) {
                            throw new CancellationException();
                        }
                        return createCommandResponse(response).get();
                    }

                    @Override
                    public boolean isCancelled() {
                        return futureResponses.isCancelled();
                    }

                    @Override
                    public boolean isDone() {
                        return futureResponses.isDone();
                    }
                };
                results.put(node, future);
            }
        }
        return results;
    } catch (Exception e) {
        throw new CommandDispatcherException(e);
    }
}

Example 54 with Collections

use of java.util.Collections in project coffeenet-starter by coffeenet.

the class CoffeeNetWebServiceImpl method get.

@Override
public CoffeeNetWeb get() {
    CoffeeNetWebUser coffeeNetWebUser = coffeeNetWebExtractor.extractUser().orElse(null);
    Map<String, List<CoffeeNetApp>> apps = coffeeNetWebExtractor.extractApps().orElseGet(Collections::emptyMap);
    String logoutPath = coffeeNetWebExtractor.extractLogoutPath();
    List<CoffeeNetApp> profileApps = apps.get("profile");
    CoffeeNetApp profileApp = null;
    if (profileApps != null && !profileApps.isEmpty()) {
        profileApp = profileApps.get(0);
    }
    List<CoffeeNetApp> coffeeNetApps = apps.get("apps");
    return new CoffeeNetWeb(coffeeNetWebUser, coffeeNetApps, profileApp, logoutPath);
}

Example 55 with Collections

use of java.util.Collections in project kie-wb-common by kiegroup.

the class BpmnFileIndexer method buildProcessDefinition.

private List<BpmnProcessDataEventListener> buildProcessDefinition(String bpmn2Content, ClassLoader moduleClassLoader) throws IllegalArgumentException {
    if (StringUtils.isEmpty(bpmn2Content)) {
        return Collections.<BpmnProcessDataEventListener>emptyList();
    }
    // Set class loader
    KnowledgeBuilder kbuilder = null;
    if (moduleClassLoader != null) {
        KnowledgeBuilderConfigurationImpl pconf = new KnowledgeBuilderConfigurationImpl(moduleClassLoader);
        kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(pconf);
    } else {
        kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    }
    // Build
    kbuilder.add(new ByteArrayResource(bpmn2Content.getBytes()), ResourceType.BPMN2);
    if (kbuilder.hasErrors()) {
        for (KnowledgeBuilderError error : kbuilder.getErrors()) {
            logger.error("Error: {}", error.getMessage());
        }
        logger.debug("Process Cannot be Parsed! \n {} \n", bpmn2Content);
        return Collections.<BpmnProcessDataEventListener>emptyList();
    }
    // Retrieve ProcessInfoHolder
    List<BpmnProcessDataEventListener> processDataList = new ArrayList<>();
    kbuilder.getKnowledgePackages().forEach(pkg -> pkg.getProcesses().forEach(p -> {
        BpmnProcessDataEventListener processData = (BpmnProcessDataEventListener) p.getMetaData().get(BpmnProcessDataEventListener.NAME);
        processDataList.add(processData);
    }));
    return processDataList;
}