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:fr.mael.microrss.util.DozerConverter.java

/**
 * Each object can be converted/*www .  j ava  2  s.c  o m*/
 */
public Set<ConvertiblePair> getConvertibleTypes() {
    return Collections.singleton(new ConvertiblePair(Object.class, Object.class));
}

From source file:Main.java

public static CertPathParameters getCertPathParameters() throws InvalidAlgorithmParameterException {
    if ((rootCertificateSS == null) || (theCertSelector == null) || (builder == null)) {
        throw new RuntimeException("Call initCertPathSSCertChain prior to buildCertPath");
    }/*from   w w w .  ja va  2s  .  com*/
    PKIXBuilderParameters buildParams = new PKIXBuilderParameters(
            Collections.singleton(new TrustAnchor(rootCertificateSS, null)), theCertSelector);

    buildParams.addCertStore(store);
    buildParams.setRevocationEnabled(false);

    return buildParams;

}

From source file:org.gridobservatory.greencomputing.dao.MiddlewareDao.java

@Override
public void insert(Middleware middleware) {
    this.insert(Collections.singleton(middleware));
}

From source file:org.openmhealth.dsu.domain.EndUserUserDetails.java

public EndUserUserDetails(String username, String password) {
    super(username, password, Collections.singleton(new SimpleGrantedAuthority(END_USER_ROLE)));
}

From source file:org.gridobservatory.greencomputing.dao.MotherboardDao.java

@Override
public void insert(Motherboard motherboard) {
    this.insert(Collections.singleton(motherboard));
}

From source file:org.gridobservatory.greencomputing.dao.SensorDao.java

@Override
public void insert(SensorType sensor) {
    this.insert(Collections.singleton(sensor));
}

From source file:me.ferrybig.javacoding.webmapper.test.session.DefaultDataStorageTest.java

@Test
public void getDataAsSupportsOneBackendTypeTest() {
    Object o;//from  www .  j  a v  a  2  s . co m
    data.setData(Collections.singleton(o = new Object()));
    assertEquals(o, extr(data.getDataAs(Object.class)));
}

From source file:zipkin.autoconfigure.metrics.PrometheusMetricsAutoConfigurationTest.java

@Test
public void correctHttpResponse() throws Exception {
    PublicMetrics publicMetrics = () -> Collections.singleton(new Metric<Number>("mem.free", 1024));
    ResponseEntity<String> response = responseForMetrics(publicMetrics);

    assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
    assertThat(response.getHeaders().getContentType().toString(),
            equalTo("text/plain;version=0.0.4;charset=utf-8"));
}

From source file:sample.web.velocity.WelcomeController.java

@RequestMapping(value = "/", method = RequestMethod.GET)
public String view(Map<String, Object> model) throws JsonProcessingException {
    final Bean bean = new Bean("hey", Collections.singleton("1"), Collections.singletonMap("sh", "<"));
    model.put("head", "Change me");
    model.put("bean", bean);
    return "welcome";
}

From source file:io.twipple.springframework.data.clusterpoint.convert.support.ConversionUtils.java

/**
 * Returns a collection from the given source object.
 *
 * @param source the source object.//  w  w w .j  av  a  2 s. c o m
 * @return the target collection.
 */
@NotNull
public static Collection<?> asCollection(@NotNull Object source) {

    Assert.notNull(source);

    if (source instanceof Collection) {
        return (Collection<?>) source;
    }

    if (source.getClass().isArray()) {
        return CollectionUtils.arrayToList(source);
    }

    return Collections.singleton(source);
}