Example usage for java.util Collections singleton

List of usage examples for java.util Collections singleton

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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:zipkin.autoconfigure.metrics.PrometheusMetricsAutoConfigurationTest.java

private ResponseEntity<String> responseForMetrics(PublicMetrics publicMetrics) {
    PrometheusMetricsAutoConfiguration pmc = new PrometheusMetricsAutoConfiguration(
            Collections.singleton(publicMetrics));

    return pmc.prometheusMetrics();
}

From source file:com.heliosdecompiler.helios.controller.transformers.decompilers.DecompilerController.java

public void decompile(OpenedFile file, String path, BiConsumer<Boolean, String> consumer) {
    backgroundTaskHelper//from   w ww. ja  v a2s.  co m
            .submit(new BackgroundTask(Message.TASK_DECOMPILE_FILE.format(path, getDisplayName()), true, () -> {
                try {
                    String pre = preDecompile(file, path);
                    if (pre != null) {
                        consumer.accept(false, pre);
                    } else {
                        byte[] data = file.getContent(path);
                        ClassData cd = ClassData.construct(data);

                        TransformationResult<String> transformationResult = decompiler
                                .decompile(Collections.singleton(cd), createSettings(), getClasspath(file));

                        Map<String, String> results = transformationResult.getTransformationData();

                        System.out.println("Results: " + results.keySet());
                        System.out
                                .println("Looking for: " + StringEscapeUtils.escapeJava(cd.getInternalName()));

                        if (results.containsKey(cd.getInternalName())) {
                            consumer.accept(true, results.get(cd.getInternalName()));
                        } else {
                            StringBuilder output = new StringBuilder();
                            output.append("An error has occurred while decompiling this file.\r\n").append(
                                    "If you have not tried another decompiler, try that. Otherwise, you're out of luck.\r\n\r\n")
                                    .append("stdout:\r\n").append(transformationResult.getStdout())
                                    .append("\r\nstderr:\r\n").append(transformationResult.getStderr());
                            consumer.accept(false, output.toString());
                        }
                    }
                } catch (Throwable e) {
                    StringWriter writer = new StringWriter();
                    e.printStackTrace(new PrintWriter(writer));

                    StringBuilder output = new StringBuilder();
                    output.append("An error has occurred while decompiling this file.\r\n").append(
                            "If you have not tried another decompiler, try that. Otherwise, you're out of luck.\r\n\r\n")
                            .append("Exception:\r\n").append(writer.toString());
                    consumer.accept(false, output.toString());
                }
            }, () -> {
                consumer.accept(false, "Decompilation aborted");
            }));
}

From source file:com.edmunds.etm.common.api.ClientPaths.java

/**
 * Returns the paths to nodes that are necessary to run ETM.
 *
 * @return an list containing required node paths
 */// w w w .j av a2 s .  com
public Set<String> getStructuralPaths() {
    return Collections.singleton(getConnected());
}

From source file:com.cloudera.oryx.app.als.FeatureVectorsTest.java

@Test
public void testAllIDs() {
    FeatureVectors fv = new FeatureVectors();
    fv.setVector("foo", new float[] { 1.0f });
    Collection<String> allIDs = new HashSet<>();
    fv.addAllIDsTo(allIDs);/*  w  w  w  . j  a  va 2  s . c  o m*/
    assertEquals(Collections.singleton("foo"), allIDs);
    fv.removeAllIDsFrom(allIDs);
    assertEquals(0, allIDs.size());
}

From source file:edu.cornell.mannlib.vitro.webapp.auth.identifier.common.CommonIdentifierBundleFactory.java

private Collection<? extends Identifier> createRootUserIdentifiers(HttpServletRequest req) {
    UserAccount user = LoginStatusBean.getCurrentUser(req);
    if ((user != null) && user.isRootUser()) {
        return Collections.singleton(new IsRootUser());
    } else {/*from   ww w . ja va 2  s .  co m*/
        return Collections.emptySet();
    }
}

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  . ja v  a 2  s. c  o m
@Test
public void testFromContent_30_Yaml() throws Exception {
    String content = IOUtils.toString(
            ApiDesignResourceInfoTest.class.getResourceAsStream("ApiDesignResourceInfoTest_3.0.yaml"));
    ApiDesignResourceInfo info = ApiDesignResourceInfo.fromContent(content);
    Assert.assertNotNull(info);
    Assert.assertEquals(FormatType.YAML, 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("foo"), info.getTags());
}

From source file:org.keycloak.adapters.springsecurity.authentication.DirectAccessGrantAuthenticationProviderTest.java

@Test
public void testResolveUsernameFromUserDetails() throws Exception {
    User user = new User(AppConfig.KNOWN_USERNAME, AppConfig.KNOWN_PASSWORD,
            Collections.singleton(new KeycloakRole("user")));
    String username = directAccessGrantAuthenticationProvider.resolveUsername(user);
    assertEquals(AppConfig.KNOWN_USERNAME, username);
}

From source file:com.palantir.ptoss.cinch.swing.JPasswordFieldWiringHarness.java

public static Collection<Binding> bindJPasswordField(final BindableModel model, final JPasswordField pwdField,
        final Method getter, final Method setter) {
    pwdField.getDocument().addDocumentListener(new DocumentListener() {
        public void removeUpdate(DocumentEvent e) {
            updateModel();//from  ww w . j a  v a 2 s.  c  o m
        }

        public void insertUpdate(DocumentEvent e) {
            updateModel();
        }

        public void changedUpdate(DocumentEvent e) {
            updateModel();
        }

        private void updateModel() {
            try {
                setter.invoke(model, pwdField.getPassword());
            } catch (Exception ex) {
                Wiring.logger.error("exception in JPasswordField binding", ex);
            }
        }
    });
    Binding binding = new Binding() {
        public <T extends Enum<?> & ModelUpdate> void update(T... changed) {
            try {
                char[] charArray = (char[]) getter.invoke(model);
                if (charArray == null) {
                    charArray = new char[0];
                }
                if (!Arrays.equals(charArray, pwdField.getPassword())) {
                    pwdField.setText(String.valueOf(charArray));
                }
            } catch (Exception ex) {
                Wiring.logger.error("exception in JPasswordField binding", ex);
            }
        }
    };
    model.bind(binding);
    return Collections.singleton(binding);
}

From source file:cereal.examples.pojo.PojoPersonTest.java

@Test(timeout = 30 * 1000)
public void testSerialization() throws Exception {
    Registry registry = new RegistryImpl();
    PojoPersonMapping mapping = new PojoPersonMapping();
    registry.add(mapping);//from w  ww. j ava2  s  .co  m

    Person p = new Person();
    p.setFirstName("Bob");
    p.setMiddleName("Joe");
    p.setLastName("Franklin");
    p.setAge(30);
    p.setHeight(72);
    p.setWeight(220);

    String tableName = test.getMethodName();
    Connector conn = mac.getConnector("root", PASSWORD);
    conn.tableOperations().create(tableName);

    try (Store store = new StoreImpl(registry, conn, tableName)) {
        store.write(Collections.singleton(p));
        store.flush();

        Text row = mapping.getRowId(p);

        Person copy = store.read(row, Person.class);

        assertEquals(p, copy);
    }
}

From source file:net.ontopia.topicmaps.webed.impl.actions.tmobject.EvaluateLTM.java

@Override
public void perform(ActionParametersIF params, ActionResponseIF response) {

    // test params
    ActionSignature paramsType = ActionSignature.getSignature("m! s!");
    paramsType.validateArguments(params, this);

    TopicMapIF topicmap = (TopicMapIF) params.get(0);
    String template = (String) params.get(1);
    WebEdRequestIF request = params.getRequest();

    Collection values = null;//from  ww w  . jav  a  2  s  .  c o  m
    TMObjectIF object = params.getTMObjectValue();
    if (object == null) {
        String strval = params.getStringValue();
        if (strval != null) {
            // escape quotes so LTM will parse correctly
            String value = StringUtils.replace(strval, "\"", "\"\"");
            values = Collections.singleton(value);
        }
    } else
        values = params.getTMObjectValues();

    String lastid = null;
    if (values == null)
        // no object value; just do it anyway
        importFragment(template, topicmap);
    else {
        // repeat once for each object value
        Iterator it = values.iterator();
        while (it.hasNext()) {
            lastid = makeRandomId(topicmap);
            Map map = new RequestMapWrapper(request, it.next(), lastid, topicmap);
            String tmp = StringTemplateUtils.replace(template, map);
            importFragment(tmp, topicmap);
        }
    }

    // register new topic in response
    TopicIF topic = getTopicById(topicmap, lastid);
    if (lastid != null && topic != null)
        response.addParameter(Constants.RP_TOPIC_ID, topic.getObjectId());
}