Example usage for java.util Collections singleton

Introduction

In this page you can find the example usage for java.util Collections singleton.

Prototype

public static <T> Set<T> singleton(T o) 

Source Link

Document

Returns an immutable set containing only the specified object.

Usage

From source file:ch.cyberduck.core.openstack.SwiftAuthenticationService.java

public Set<? extends AuthenticationRequest> getRequest(final Host host, final LoginCallback prompt)
        throws LoginCanceledException {
    final Credentials credentials = host.getCredentials();
    final StringBuilder url = new StringBuilder();
    url.append(host.getProtocol().getScheme().toString()).append("://");
    url.append(host.getHostname());/*  w w w. j a  v  a 2  s .c o  m*/
    if (!(host.getProtocol().getScheme().getPort() == host.getPort())) {
        url.append(":").append(host.getPort());
    }
    final String context = PathNormalizer.normalize(host.getProtocol().getContext());
    // Custom authentication context
    url.append(context);
    if (host.getProtocol().getDefaultHostname().endsWith("identity.api.rackspacecloud.com")
            || host.getHostname().endsWith("identity.api.rackspacecloud.com")) {
        return Collections.singleton(new Authentication20RAXUsernameKeyRequest(URI.create(url.toString()),
                credentials.getUsername(), credentials.getPassword(), null));
    }
    final LoginOptions options = new LoginOptions(host.getProtocol()).password(false).anonymous(false)
            .publickey(false);
    if (context.contains("1.0")) {
        return Collections.singleton(new Authentication10UsernameKeyRequest(URI.create(url.toString()),
                credentials.getUsername(), credentials.getPassword()));
    } else if (context.contains("1.1")) {
        return Collections.singleton(new Authentication11UsernameKeyRequest(URI.create(url.toString()),
                credentials.getUsername(), credentials.getPassword()));
    } else if (context.contains("2.0")) {
        // Prompt for tenant
        final String user;
        final String tenant;
        if (StringUtils.contains(credentials.getUsername(), ':')) {
            final String[] parts = StringUtils.splitPreserveAllTokens(credentials.getUsername(), ':');
            tenant = parts[0];
            user = parts[1];
        } else {
            user = credentials.getUsername();
            tenant = prompt
                    .prompt(host, credentials.getUsername(),
                            LocaleFactory.localizedString("Provide additional login credentials",
                                    "Credentials"),
                            LocaleFactory.localizedString("Tenant Name", "Mosso"),
                            options.usernamePlaceholder(LocaleFactory.localizedString("Tenant Name", "Mosso")))
                    .getUsername();
            // Save tenant in username
            credentials.setUsername(String.format("%s:%s", tenant, credentials.getUsername()));
        }
        final Set<AuthenticationRequest> requests = new LinkedHashSet<AuthenticationRequest>();
        requests.add(new Authentication20UsernamePasswordRequest(URI.create(url.toString()), user,
                credentials.getPassword(), tenant));
        requests.add(new Authentication20UsernamePasswordTenantIdRequest(URI.create(url.toString()), user,
                credentials.getPassword(), tenant));
        requests.add(new Authentication20AccessKeySecretKeyRequest(URI.create(url.toString()), user,
                credentials.getPassword(), tenant));
        return requests;
    } else if (context.contains("3")) {
        // Prompt for project
        final String user;
        final String project;
        final String domain;
        if (StringUtils.contains(credentials.getUsername(), ':')) {
            final String[] parts = StringUtils.splitPreserveAllTokens(credentials.getUsername(), ':');
            if (parts.length == 3) {
                project = parts[0];
                domain = parts[1];
                user = parts[2];
            } else {
                project = parts[0];
                user = parts[1];
                domain = prompt
                        .prompt(host, credentials.getUsername(),
                                LocaleFactory.localizedString("Provide additional login credentials",
                                        "Credentials"),
                                LocaleFactory.localizedString("Project Domain Name", "Mosso"),
                                options.usernamePlaceholder(
                                        LocaleFactory.localizedString("Project Domain Name", "Mosso")))
                        .getUsername();
                // Save project name and domain in username
                credentials.setUsername(String.format("%s:%s:%s", project, domain, credentials.getUsername()));
            }
        } else {
            user = credentials.getUsername();
            final Credentials projectName = prompt.prompt(host, credentials.getUsername(),
                    LocaleFactory.localizedString("Provide additional login credentials", "Credentials"),
                    LocaleFactory.localizedString("Project Name", "Mosso"),
                    options.usernamePlaceholder(LocaleFactory.localizedString("Project Name", "Mosso")));
            if (StringUtils.contains(credentials.getUsername(), ':')) {
                final String[] parts = StringUtils.splitPreserveAllTokens(projectName.getUsername(), ':');
                project = parts[0];
                domain = parts[1];
            } else {
                project = projectName.getUsername();
                domain = prompt
                        .prompt(host, credentials.getUsername(),
                                LocaleFactory.localizedString("Provide additional login credentials",
                                        "Credentials"),
                                LocaleFactory.localizedString("Project Domain Name", "Mosso"),
                                options.usernamePlaceholder(
                                        LocaleFactory.localizedString("Project Domain Name", "Mosso")))
                        .getUsername();
            }
            // Save project name and domain in username
            credentials.setUsername(String.format("%s:%s:%s", project, domain, credentials.getUsername()));
        }
        final Set<AuthenticationRequest> requests = new LinkedHashSet<AuthenticationRequest>();
        requests.add(new Authentication3UsernamePasswordProjectRequest(URI.create(url.toString()), user,
                credentials.getPassword(), project, domain));
        return requests;
    } else {
        log.warn(String.format("Unknown context version in %s. Default to v1 authentication.", context));
        // Default to 1.0
        return Collections.singleton(new Authentication10UsernameKeyRequest(URI.create(url.toString()),
                credentials.getUsername(), credentials.getPassword()));
    }
}

---

From source file:com.google.play.developerapi.publisher.samples.AndroidPublisherHelper.java

/**
 * Authorizes the installed application to access user's protected data.
 *
 * @throws java.io.IOException//from  ww  w . j  a v  a  2 s.c  om
 * @throws java.security.GeneralSecurityException
 */
private static Credential authorizeWithInstalledApplication(File secretFile, File authStore)
        throws IOException {
    log.info("Authorizing using installed application");

    // load client secrets
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new FileReader(secretFile));
    // Ensure file has been filled out.
    checkClientSecretsFile(clientSecrets);

    dataStoreFactory = new FileDataStoreFactory(authStore);

    // set up authorization code flow
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(HTTP_TRANSPORT, JSON_FACTORY,
            clientSecrets, Collections.singleton(AndroidPublisherScopes.ANDROIDPUBLISHER))
                    .setDataStoreFactory(dataStoreFactory).build();
    // authorize
    return new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()).authorize(INST_APP_USER_ID);
}

---

From source file:org.immutables.gson.stream.GsonMessageBodyProvider.java

private static Set<MediaType> mediaSetFrom(List<MediaType> mediaTypes) {
    if (mediaTypes.isEmpty()) {
        return Collections.singleton(MediaType.APPLICATION_JSON_TYPE);
    }/* w w w  . j av a  2  s.  c  om*/
    return new HashSet<MediaType>(mediaTypes);
}

---

From source file:com.phoenixst.plexus.DefaultRootedTreeView.java

public Collection rootNodes() {
    if (!getGraph().containsNode(root)) {
        return Collections.EMPTY_SET;
    }/*from ww  w.  ja  v  a  2  s. c  o  m*/
    return Collections.singleton(root);
}

---

From source file:com.cloudera.nav.plugin.client.writer.MetadataWriter.java

/**
 * Write the given entity based on @MProperty annotations.
 * Also create and write relations based on @MRelation annotations.
 * @param entity/* w w w .j  av  a  2s .  c  o  m*/
 */
public void write(Entity entity) {
    write(Collections.singleton(entity));
}

---

From source file:com.devicehive.resource.DeviceCommandResourceTest.java

@Test
public void should_get_empty_response_with_status_204_when_command_not_processed() throws Exception {
    DeviceClassEquipmentVO equipment = DeviceFixture.createEquipmentVO();
    DeviceClassUpdate deviceClass = DeviceFixture.createDeviceClass();
    deviceClass.setEquipment(Optional.of(Collections.singleton(equipment)));
    NetworkVO network = DeviceFixture.createNetwork();
    String guid = UUID.randomUUID().toString();
    DeviceUpdate deviceUpdate = DeviceFixture.createDevice(guid);
    deviceUpdate.setDeviceClass(Optional.of(deviceClass));
    deviceUpdate.setNetwork(Optional.of(network));

    // register device
    Response response = performRequest("/device/" + guid, "PUT", emptyMap(),
            singletonMap(HttpHeaders.AUTHORIZATION, tokenAuthHeader(ACCESS_KEY)), deviceUpdate, NO_CONTENT,
            null);/*from  w  ww.j  a  v a  2  s . com*/
    assertNotNull(response);
    TimeUnit.SECONDS.sleep(1);

    // create command
    DeviceCommand command = DeviceFixture.createDeviceCommand();
    command = performRequest("/device/" + guid + "/command", "POST", emptyMap(),
            singletonMap(HttpHeaders.AUTHORIZATION, tokenAuthHeader(ACCESS_KEY)), command, CREATED,
            DeviceCommand.class);
    assertNotNull(command.getId());
    TimeUnit.SECONDS.sleep(1);

    // try get not processed command
    Map<String, Object> params = new HashMap<>();
    params.put("waitTimeout", 1);
    DeviceCommand updatedCommand = performRequest("/device/" + guid + "/command/" + command.getId() + "/poll",
            "GET", params, singletonMap(HttpHeaders.AUTHORIZATION, tokenAuthHeader(ACCESS_KEY)), command,
            NO_CONTENT, DeviceCommand.class);
    assertNull(updatedCommand);

}

---

From source file:ch.cyberduck.cli.CommandLineUriParserTest.java

@Test
public void testProfile() throws Exception {
    final CommandLineParser parser = new PosixParser();
    final CommandLine input = parser.parse(new Options(), new String[] {});
    final Set<Protocol> list = new HashSet<>(Arrays.asList(new SwiftProtocol(),
            new ProfilePlistReader(new ProtocolFactory(Collections.singleton(new SwiftProtocol() {
                @Override/*from w  w w  . jav a  2  s .  c  om*/
                public boolean isEnabled() {
                    return true;
                }
            }))).read(new Local("../profiles/default/Rackspace US.cyberduckprofile"))));
    assertTrue(new Host(new ProtocolFactory(list).forName("rackspace"), "identity.api.rackspacecloud.com", 443,
            "/cdn.cyberduck.ch/", new Credentials("u", null))
                    .compareTo(new CommandLineUriParser(input, new ProtocolFactory(list))
                            .parse("rackspace://u@cdn.cyberduck.ch/")) == 0);

}

---

From source file:de.hybris.platform.cms2.servicelayer.services.impl.DefaultCMSNavigationServiceTest.java

@Before
public void setUp() {
    MockitoAnnotations.initMocks(this);

    final CatalogModel catalogModel = new CatalogModel();
    catalogModel.setId("testCatalog");

    final CatalogVersionModel catalogVersionModel = new CatalogVersionModel();
    catalogVersionModel.setActive(Boolean.TRUE);
    catalogVersionModel.setVersion("test");
    catalogVersionModel.setCatalog(catalogModel);
    catalogModel.setCatalogVersions(Collections.singleton(catalogVersionModel));

    rootNavigationModel = new CMSNavigationNodeModel();
    rootNavigationModel.setUid("test_uid");
    rootNavigationModel.setCatalogVersion(catalogVersionModel);
    rootNavigationModel.setParent(null);
    rootNavigationModel.setChildren(createNavigationNodes(catalogVersionModel));

    Mockito.when(modelService.create(CMSNavigationEntryModel.class)).thenReturn(new CMSNavigationEntryModel(),
            new CMSNavigationEntryModel(), new CMSNavigationEntryModel());

}

---

From source file:org.opennms.ng.dao.support.FilterResourceWalker.java

/**
 * <p>walk</p>// w  w  w . ja v a 2 s .com
 *
 * @param node a {@link org.opennms.netmgt.model.OnmsNode} object.
 */
public void walk(OnmsNode node) {
    OnmsResource resource = getResourceDao().getResourceForNode(node);
    m_resourceWalker.walk(Collections.singleton(resource));
}

---

From source file:com.nesscomputing.cache.PrefixedCache.java

public void put(final P prefix, final K key, final V value) {
    final String keyString = keySerializer.apply(SerializablePair.of(prefix, key));
    final byte[] valueBytes = valueSerializer.apply(value);
    nessCache.set(namespace,// w  w w.j a va2 s .  co  m
            Collections.singleton(CacheStores.fromSharedBytes(keyString, valueBytes, getExpiry())));
}

---

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