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:com.cloudbees.jenkins.support.impl.AdministrativeMonitors.java

@Override
public Set<Permission> getRequiredPermissions() {
    return Collections.singleton(Jenkins.ADMINISTER);
}

From source file:it.geosolutions.geostore.services.rest.auditing.AuditInfoExtractorTest.java

private static HttpServletRequest getHttpServletRequest() {
    HttpServletRequest httpServletRequest = Mockito.mock(HttpServletRequest.class);
    Mockito.when(httpServletRequest.getRemoteAddr()).thenReturn("127.0.0.1");
    Mockito.when(httpServletRequest.getRemoteHost()).thenReturn("127.0.0.1");
    Mockito.when(httpServletRequest.getRemoteUser())
            .thenReturn("User[id=2, name=admin, group=[UserGroup[id=1, groupName=everyone]], role=ADMIN]");
    Mockito.when(httpServletRequest.getServerName()).thenReturn("localhost");
    UserGroup userGroup = Mockito.mock(UserGroup.class);
    Mockito.when(userGroup.getGroupName()).thenReturn("everyone");
    User user = Mockito.mock(User.class);
    Mockito.when(user.getName()).thenReturn("admin");
    Mockito.when(user.getRole()).thenReturn(Role.ADMIN);
    Mockito.when(user.getGroups()).thenReturn(Collections.singleton(userGroup));
    Authentication authentication = Mockito.mock(Authentication.class);
    Mockito.when(authentication.getPrincipal()).thenReturn(user);
    Mockito.when(httpServletRequest.getUserPrincipal()).thenReturn(authentication);
    return httpServletRequest;
}

From source file:au.edu.anu.portal.portlets.rss.validator.SimpleRSSPreferencesValidator.java

@Override
public void validate(PortletPreferences prefs) throws ValidatorException {

    //get prefs as strings
    String max_items = prefs.getValue("max_items", Integer.toString(Constants.MAX_ITEMS));
    String feed_url = prefs.getValue(PREF_FEED_URL, null);

    //check readonly
    boolean feedUrlIsLocked = prefs.isReadOnly(PREF_FEED_URL);

    /**/*from w w w.j  av  a  2s . com*/
     * max_items
     */
    IntegerValidator integerValidator = IntegerValidator.getInstance();
    Integer maxItems = integerValidator.validate(max_items);

    //check it's a number
    if (maxItems == null) {
        throw new ValidatorException("Invalid value, must be a number", Collections.singleton("max_items"));
    }

    //check greater than or equal to a minimum of 1
    if (!integerValidator.minValue(maxItems, Constants.MIN_ITEMS)) {
        throw new ValidatorException("Invalid number, must be greater than 0",
                Collections.singleton("max_items"));
    }

    /**
     * feed_url
     */
    //only validate if it's not readonly
    if (!feedUrlIsLocked) {
        String[] schemes = { "http", "https" };
        DetailedUrlValidator urlValidator = new DetailedUrlValidator(schemes);

        //check not null
        if (StringUtils.isBlank(feed_url)) {
            throw new ValidatorException("You must specify a URL for the RSS feed",
                    Collections.singleton(PREF_FEED_URL));
        }

        //check valid scheme
        if (!urlValidator.isValidScheme(feed_url)) {
            throw new ValidatorException("Invalid feed scheme. Must be one of: " + Arrays.toString(schemes),
                    Collections.singleton(PREF_FEED_URL));
        }

        //check valid URL
        if (!urlValidator.isValid(feed_url)) {
            throw new ValidatorException("Invalid feed URL", Collections.singleton(PREF_FEED_URL));

        }
    }

    /**
     * portlet_title not validated here as it is reasonable to allow blank entry. We deal with this later
     */

}

From source file:edu.cornell.mannlib.vitro.webapp.utils.http.ContentTypeUtil.java

/**
 * The order of items in the Accept header is not important. We rely on the
 * specificity of the match and the "q" factor, in that order.
 * //from   w w w. j  av a 2 s. c  o  m
 * Since q ranges between 1.0 and 0.001, we add a specificity offset of 2, 3
 * or 4. That way, matches with equal specificity are decided by q factor.
 */
public static Set<AcceptableType> parseAcceptHeader(String acceptHeader) throws AcceptHeaderParsingException {
    if (acceptHeader == null || acceptHeader.trim().isEmpty()) {
        return Collections.singleton(new AcceptableType("*/*", "1.0"));
    }

    HeaderElement[] elements = BasicHeaderValueParser.parseElements(acceptHeader, null);

    Set<AcceptableType> acceptableTypes = new HashSet<>();
    for (HeaderElement he : elements) {
        String name = he.getName();

        NameValuePair qPair = he.getParameterByName("q");
        String qString = (qPair == null) ? "1.0" : qPair.getValue();

        acceptableTypes.add(new AcceptableType(name, qString));
    }

    return acceptableTypes;
}

From source file:com.mirth.connect.server.api.servlets.EngineServlet.java

@Override
@CheckAuthorizedChannelId//from w w w  . j  av a  2s.  c  om
public void deployChannel(String channelId, boolean returnErrors) {
    ErrorTaskHandler handler = new ErrorTaskHandler();
    engineController.deployChannels(Collections.singleton(channelId), context, handler);
    if (returnErrors && handler.isErrored()) {
        throw new MirthApiException(handler.getError());
    }
}

From source file:io.apicurio.hub.core.beans.ApiDesignResourceInfoTest.java

/**
 * Test method for {@link io.apicurio.hub.core.beans.ApiDesignResourceInfo#fromContent(java.lang.String)}.
 *//*from w w w  . j  av a  2 s . c o m*/
@Test
public void testFromContent_30_Json() throws Exception {
    String content = IOUtils.toString(
            ApiDesignResourceInfoTest.class.getResourceAsStream("ApiDesignResourceInfoTest_3.0.json"));
    ApiDesignResourceInfo info = ApiDesignResourceInfo.fromContent(content);
    Assert.assertNotNull(info);
    Assert.assertEquals(FormatType.JSON, info.getFormat());
    Assert.assertEquals("Simple OAI 3.0.0 API", info.getName());
    Assert.assertEquals("A simple API using OpenAPI 3.0.0.", info.getDescription());
    Assert.assertEquals(Collections.singleton("baz"), info.getTags());
}

From source file:it.geosolutions.geostore.rest.security.UserLdapAuthenticationProviderTest.java

@Before
public void setUp() {
    provider = new UserLdapAuthenticationProvider(new MockLdapAuthenticator(),
            new MockLdapAuthoritiesPopulator() {

                @Override/*from   www  . j  av a 2  s .co  m*/
                public Set<GrantedAuthority> getAllGroups() {
                    return Collections.singleton((GrantedAuthority) new GrantedAuthorityImpl(TEST_GROUP));
                }

            });
    userService = new MockedUserService();
    userGroupService = new MockedUserGroupService();
    provider.setUserService(userService);
    provider.setUserGroupService(userGroupService);
}

From source file:nl.surfnet.coin.selfservice.util.SpringSecurity.java

public static void setSwitchedToIdp(Csa csa, final String idpId, final String role) {
    InstitutionIdentityProvider idp = (idpId != null ? validateIdp(getIdpFromId(csa, idpId)) : null);
    CoinUser currentUser = SpringSecurity.getCurrentUser();

    if (idp == null) {
        currentUser.setAuthorities(new HashSet<>(
                Collections.singleton(new CoinAuthority(CoinAuthority.Authority.ROLE_DASHBOARD_SUPER_USER))));
    } else if (!role.isEmpty()) {
        currentUser.addAuthority(new CoinAuthority(CoinAuthority.Authority.valueOf(role)));
    }/*from w  ww.  ja  v a 2  s .com*/

    SpringSecurity.getCurrentUser().setSwitchedToIdp(idp);
}

From source file:org.callimachusproject.client.ProxyClientExecDecorator.java

public boolean removeProxy(ClientExecChain proxy) {
    return proxies.values().removeAll(Collections.singleton(proxy));
}

From source file:com.github.cchacin.JsonSchemaProcessor.java

@Override
public Set<String> getSupportedAnnotationTypes() {
    return Collections.singleton(JsonSchema.class.getCanonicalName());
}