Example usage for java.util Collections emptyMap

Introduction

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

Prototype

@SuppressWarnings("unchecked")
public static final <K, V> Map<K, V> emptyMap()

Source Link

Document

Returns an empty map (immutable).

Usage

From source file:org.elasticsearch.rest.action.main.RestMainActionIT.java

public void testGetRequest() throws IOException {
    try (Response response = getRestClient().performRequest("GET", "/", Collections.emptyMap(), null)) {
        assertThat(response.getStatusLine().getStatusCode(), equalTo(200));
        assertNotNull(response.getEntity());
        assertThat(EntityUtils.toString(response.getEntity()), containsString("cluster_name"));
    }/*from   w  w w. j av a 2s. co  m*/
}

From source file:com.openshift.internal.restclient.model.build.BuildConfigBuilderTest.java

@Before
public void setUp() throws Exception {
    bcImpl = new BuildConfig(new ModelNode(), client, Collections.emptyMap());
    when(client.getResourceFactory()).thenReturn(factory);
    when(factory.stub(eq(ResourceKind.BUILD_CONFIG), anyString(), anyString())).thenReturn(bcImpl);

}

From source file:com.frank.search.solr.core.ResultHelper.java

static Map<String, List<TermsFieldEntry>> convertTermsQueryResponseToTermsMap(QueryResponse response) {
    if (response == null || response.getTermsResponse() == null
            || response.getTermsResponse().getTermMap() == null) {
        return Collections.emptyMap();
    }/*ww  w . j a  v  a2s. c  o m*/

    TermsResponse termsResponse = response.getTermsResponse();
    Map<String, List<TermsFieldEntry>> result = new LinkedHashMap<String, List<TermsFieldEntry>>(
            termsResponse.getTermMap().size());

    for (Entry<String, List<Term>> entry : termsResponse.getTermMap().entrySet()) {
        List<TermsFieldEntry> terms = new ArrayList<TermsFieldEntry>(entry.getValue().size());
        for (Term term : entry.getValue()) {
            SimpleTermsFieldEntry termsEntry = new SimpleTermsFieldEntry(term.getTerm(), term.getFrequency());
            termsEntry.setField(entry.getKey());
            terms.add(termsEntry);
        }
        result.put(entry.getKey(), terms);
    }

    return result;
}

From source file:com.netflix.spinnaker.igor.travis.TravisCache.java

public Map<String, Integer> getQueuedJob(String master, int queueNumber) {
    Map<String, String> result = redisClientDelegate.withCommandsClient(c -> {
        return c.hgetAll(makeKey(master, queueNumber));
    });//from   w  w w  . j a  va2 s . com

    if (result.isEmpty()) {
        return Collections.emptyMap();
    }

    Map<String, Integer> converted = new HashMap<>();
    converted.put("requestId", Integer.parseInt(result.get("requestId")));
    converted.put("repositoryId", Integer.parseInt(result.get("repositoryId")));

    return converted;
}

From source file:org.hawkular.apm.server.api.utils.zipkin.BinaryAnnotationMappingStorage.java

/**
 * Default storage. It loads mappings from jboss configuration directory.
 *//*from  w  w w .  j  av a 2 s . c om*/
public BinaryAnnotationMappingStorage() {

    String jbossConfigDir = System.getProperties().getProperty("jboss.server.config.dir");
    if (jbossConfigDir == null) {
        log.errorf("Property jboss.server.config.dir is not set, Binary Annotation mapping rules set to empty");
        keyBasedMappings = Collections.emptyMap();
        return;
    }

    String path = System.getProperty("jboss.server.config.dir") + File.separatorChar
            + HAWKULAR_ZIPKIN_BINARY_ANNOTATION_MAPPING;

    loadMappings(path);
}

From source file:com.exzogeni.dk.http.HttpTask.java

@NonNull
private static Map<String, List<String>> getHeaderFields(HttpURLConnection cn) {
    final Map<String, List<String>> headers = cn.getHeaderFields();
    if (headers != null) {
        final Map<String, List<String>> localHeaders = new HashMap<>(headers);
        localHeaders.remove(null);//w  w w.ja  v a 2  s  . co  m
        return Collections.unmodifiableMap(localHeaders);
    }
    return Collections.emptyMap();
}

From source file:edu.indiana.d2i.htrc.security.JWTServletFilterConfiguration.java

public Map<String, String> getClaimMappings() {
    if (config.hasPath(CONFIG_CLAIM_MAPPINGS)) {
        Map<String, String> mappings = new HashMap<>();

        config.getConfig(CONFIG_CLAIM_MAPPINGS).entrySet().stream().forEach((entry) -> {

            mappings.put(entry.getKey(), (String) entry.getValue().unwrapped());
        });/*from w ww. j  a  v  a 2s .  com*/

        return mappings;
    }

    return Collections.emptyMap();
}

From source file:org.springframework.social.facebook.api.impl.json.StoryTagMapDeserializer.java

@SuppressWarnings("unchecked")
@Override/*  w  w  w .  j  av a 2 s.  c  o  m*/
public Map<Integer, List<StoryTag>> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = jp.readValueAs(JsonNode.class);
        if (dataNode != null) {
            return (Map<Integer, List<StoryTag>>) mapper
                    .reader(new TypeReference<Map<Integer, List<StoryTag>>>() {
                    }).readValue(dataNode);
        }
    }

    return Collections.emptyMap();
}

From source file:org.springframework.social.facebook.api.impl.json.MessageTagMapDeserializer.java

@SuppressWarnings("unchecked")
@Override//from w w w .j  av a  2  s  .c  om
public Map<Integer, List<MessageTag>> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = jp.readValueAs(JsonNode.class);
        if (dataNode != null) {
            return (Map<Integer, List<MessageTag>>) mapper
                    .reader(new TypeReference<Map<Integer, List<MessageTag>>>() {
                    }).readValue(dataNode);
        }
    }

    return Collections.emptyMap();
}

From source file:org.elasticsearch.test.rest.yaml.ClientYamlTestExecutionContextTests.java

public void testHeadersSupportStashedValueReplacement() throws IOException {
    final AtomicReference<Map<String, String>> headersRef = new AtomicReference<>();
    final ClientYamlTestExecutionContext context = new ClientYamlTestExecutionContext(null, randomBoolean()) {
        @Override//  ww  w  .  jav  a2  s . c  o m
        ClientYamlTestResponse callApiInternal(String apiName, Map<String, String> params, HttpEntity entity,
                Map<String, String> headers) {
            headersRef.set(headers);
            return null;
        }
    };
    final Map<String, String> headers = new HashMap<>();
    headers.put("foo", "$bar");
    headers.put("foo1", "baz ${c}");

    context.stash().stashValue("bar", "foo2");
    context.stash().stashValue("c", "bar1");

    assertNull(headersRef.get());
    context.callApi("test", Collections.emptyMap(), Collections.emptyList(), headers);
    assertNotNull(headersRef.get());
    assertNotEquals(headers, headersRef.get());

    assertEquals("foo2", headersRef.get().get("foo"));
    assertEquals("baz bar1", headersRef.get().get("foo1"));
}