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:springfox.documentation.spring.web.dummy.controllers.EnumService.java

@RequestMapping(value = "/collection", method = RequestMethod.GET)
@ApiOperation(value = "Example with response entity collection")
public ResponseEntity<Set<EnumType>> getResponseEntityCollection() {
    return new ResponseEntity<Set<EnumType>>(Collections.singleton(EnumType.ONE), HttpStatus.OK);
}

From source file:org.fenixedu.bennu.converters.BeanConverterService.java

@Override
public Set<ConvertiblePair> getConvertibleTypes() {
    return Collections.singleton(new ConvertiblePair(String.class, IBean.class));
}

From source file:com.example.server.user.CustomUserDetailsService.java

private org.springframework.security.core.userdetails.User createUser(User account) {
    return new org.springframework.security.core.userdetails.User(account.getUsername(), account.getPassword(),
            Collections.singleton(createAuthority(account)));
}

From source file:com.redhat.red.offliner.ftest.ChecksumMismatchFTest.java

@Test
public void run() throws Exception {
    // We only need one repo server.
    TestRepositoryServer server = newRepositoryServer();

    // Generate some test content
    byte[] expectedContent = contentGenerator.newBinaryContent(1024);
    byte[] downloadedContent = contentGenerator.newBinaryContent(1024);

    TrackedContentEntryDTO dto = contentGenerator.newRemoteContentEntry(new StoreKey(StoreType.remote, "test"),
            "jar", server.getBaseUri(), expectedContent);

    TrackedContentDTO record = new TrackedContentDTO(new TrackingKey("test-record"), Collections.emptySet(),
            Collections.singleton(dto));

    String path = dto.getPath();/* w w w. j  av a 2s . co  m*/

    // Register the generated content by writing it to the path within the repo server's dir structure.
    // This way when the path is requested it can be downloaded instead of returning a 404.
    server.registerContent(path, downloadedContent);
    server.registerContent(path + Main.SHA_SUFFIX, sha1Hex(downloadedContent));
    server.registerContent(path + Main.MD5_SUFFIX, md5Hex(downloadedContent));

    // Write the plaintext file we'll use as input.
    File foloRecord = temporaryFolder.newFile("folo." + getClass().getSimpleName() + ".json");

    FileUtils.write(foloRecord, objectMapper.writeValueAsString(record));

    Options opts = new Options();
    opts.setBaseUrls(Collections.singletonList(server.getBaseUri()));

    // Capture the downloads here so we can verify the content.
    File downloads = temporaryFolder.newFolder();

    opts.setDownloads(downloads);
    opts.setLocations(Collections.singletonList(foloRecord.getAbsolutePath()));

    Main main = run(opts);
    assertThat("Wrong number of downloads logged. Should have been just the checksum files.",
            main.getDownloaded(), equalTo(2));
    assertThat("Checksum mismatch should have resulted in an error", main.getErrors().isEmpty(),
            equalTo(false));

    assertThat("The downloaded file should not have been kept.", new File(downloads, path).exists(),
            equalTo(false));
}

From source file:biz.c24.io.spring.http.C24HttpMessageConverterUnitTests.java

@Test
public void cannotConvertNonMatchingMediaType() {
    C24HttpMessageConverter converter = new C24HttpMessageConverter(model,
            Collections.singleton(new DataFormat(Type.TEXT)));
    assertThat(converter.canRead(CustomerLocal.class, MediaType.APPLICATION_XML), is(false));
}

From source file:com.opengamma.financial.analytics.PositionWeightFromNAVFunction.java

@Override
public Set<ValueSpecification> getResults(final FunctionCompilationContext context,
        final ComputationTarget target) {
    return Collections.singleton(new ValueSpecification(ValueRequirementNames.WEIGHT, target.toSpecification(),
            createValueProperties().get()));
}

From source file:com.ctriposs.rest4j.tools.idlgen.DocletDocsProvider.java

@Override
public Set<String> supportedFileExtensions() {
    return Collections.singleton(".java");
}

From source file:com.bennavetta.appsite.util.DatastoreConfig.java

@Override
public boolean containsKey(String key) {
    if (cache.getIfPresent(key) != null)
        return true; //save a trip to the datastore if possible
    return !datastore.get(Collections.singleton(KeyFactory.createKey(ENTITY, key))).isEmpty();
}

From source file:edu.pitt.dbmi.ccd.queue.service.JobQueueService.java

public List<AlgorithmJob> createJobQueueList(String username) {
    List<AlgorithmJob> listItems = new ArrayList<>();

    UserAccount userAccount = userAccountService.findByUsername(username);
    List<JobQueueInfo> listJobs = jobQueueInfoService.findByUserAccounts(Collections.singleton(userAccount));
    listJobs.forEach(job -> {/*from w ww  .ja va2 s  .  com*/
        AlgorithmJob algorithmJob = JobQueueUtility.convertJobEntity2JobModel(job);
        listItems.add(algorithmJob);
    });

    return listItems;
}

From source file:org.elasticsearch.client.benchmark.rest.RestClientBenchmark.java

@Override
protected RestClient client(String benchmarkTargetHost) {
    return RestClient.builder(new HttpHost(benchmarkTargetHost, 9200))
            .setHttpClientConfigCallback(b -> b.setDefaultHeaders(
                    Collections.singleton(new BasicHeader(HttpHeaders.ACCEPT_ENCODING, "gzip"))))
            .setRequestConfigCallback(b -> b.setContentCompressionEnabled(true)).build();
}