Example usage for java.util Collections emptyMap

List of usage examples for java.util Collections emptyMap

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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:com.feilong.core.lang.ClassUtilTest.java

/**
 *  class info map for LOGGER./*from  w ww  .j  a va  2 s.  c  o m*/
 *
 * @param klass
 *            the klass
 * @return  <code>klass</code> nullempty, {@link Collections#emptyMap()}<br>
 */
public static Map<String, Object> getClassInfoMapForLog(Class<?> klass) {
    if (isNullOrEmpty(klass)) {
        return Collections.emptyMap();
    }

    Map<String, Object> map = new LinkedHashMap<String, Object>();

    map.put("clz.getCanonicalName()", klass.getCanonicalName());//"com.feilong.core.date.DatePattern"
    map.put("clz.getName()", klass.getName());//"com.feilong.core.date.DatePattern"
    map.put("clz.getSimpleName()", klass.getSimpleName());//"DatePattern"

    map.put("clz.getComponentType()", klass.getComponentType());
    // ?"". ,voidboolean?byte?char?short?int?long?float  double?.
    map.put("clz.isPrimitive()", klass.isPrimitive());

    // ?"".,.
    map.put("clz.isLocalClass()", klass.isLocalClass());
    // ?"?".?,?,?"""??".
    map.put("clz.isMemberClass()", klass.isMemberClass());

    //isSynthetic()?Class?"??".java??false,?true.,JVM???,java??"??"?
    map.put("clz.isSynthetic()", klass.isSynthetic());
    map.put("clz.isArray()", klass.isArray());
    map.put("clz.isAnnotation()", klass.isAnnotation());

    //??true.
    map.put("clz.isAnonymousClass()", klass.isAnonymousClass());
    map.put("clz.isEnum()", klass.isEnum());

    return map;
}

From source file:de.iew.web.view.js.RequireJSMessageBundleView.java

public Map<String, String> getBundle(Map<String, Object> stringObjectMap) {
    if (stringObjectMap.containsKey(MB_BUNDLE)) {
        MessageBundleStore store = (MessageBundleStore) stringObjectMap.get(MB_BUNDLE);

        return store.getMessages();
    } else {/*from w  w  w .j  a  v a2 s.  c o m*/
        return Collections.emptyMap();
    }
}

From source file:org.apache.calcite.adapter.elasticsearch.EmbeddedElasticsearchPolicy.java

/**
 * Creates index in elastic search given mapping.
 *
 * @param index index of the index/*from   ww w.j  a va  2 s.c o  m*/
 * @param mapping field and field type mapping
 * @throws IOException if there is an error
 */
void createIndex(String index, Map<String, String> mapping) throws IOException {
    Objects.requireNonNull(index, "index");
    Objects.requireNonNull(mapping, "mapping");

    ObjectNode json = mapper().createObjectNode();
    for (Map.Entry<String, String> entry : mapping.entrySet()) {
        json.set(entry.getKey(), json.objectNode().put("type", entry.getValue()));
    }

    json = (ObjectNode) json.objectNode().set("properties", json);
    json = (ObjectNode) json.objectNode().set(index, json);
    json = (ObjectNode) json.objectNode().set("mappings", json);

    // create index and mapping
    final HttpEntity entity = new StringEntity(mapper().writeValueAsString(json), ContentType.APPLICATION_JSON);
    restClient().performRequest("PUT", "/" + index, Collections.emptyMap(), entity);
}

From source file:com.erudika.para.cache.HazelcastCache.java

@Override
public <T> Map<String, T> getAll(String appid, List<String> ids) {
    if (ids == null || StringUtils.isBlank(appid)) {
        return Collections.emptyMap();
    }/* w w  w . j a v a 2  s .c  o m*/
    Map<String, T> result = new LinkedHashMap<String, T>(ids.size(), 0.75f, true);
    ids.remove(null);
    IMap<String, T> imap = client().getMap(appid);
    Map<String, T> res = imap.getAll(new TreeSet<String>(ids));
    for (String id : ids) {
        if (res.containsKey(id)) {
            result.put(id, res.get(id));
        }
    }
    logger.debug("Cache.getAll() {} {}", appid, ids.size());
    return result;
}

From source file:com.thinkbiganalytics.metadata.modeshape.common.JcrPropertiesEntity.java

@Override
/**//from w w w  . ja  va  2  s  .  com
 * This will return just the extra properties.
 * All primary properties should be defined as getter/setter on the base object
 * You can call the getAllProperties to return the complete set of properties as a map
 */
public Map<String, Object> getProperties() {
    return getPropertiesObject().map(propsObj -> propsObj.getProperties()).orElse(Collections.emptyMap());
}

From source file:fitnesse.testsystems.CommandRunner.java

private Map<String, String> determineEnvironment() {
    if (environmentVariables == null) {
        return Collections.emptyMap();
    }// ww w.  ja va  2  s  . c  om
    Map<String, String> systemVariables = new HashMap<>(System.getenv());
    systemVariables.putAll(environmentVariables);
    return systemVariables;
}

From source file:fr.ortolang.diffusion.client.cmd.IndexAllCommand.java

@Override
public void execute(String[] args) {
    CommandLineParser parser = new DefaultParser();
    CommandLine cmd;//from w w w . jav a2 s  .com
    try {
        cmd = parser.parse(options, args);
        if (cmd.hasOption("h")) {
            help();
        }

        String[] credentials = getCredentials(cmd);
        String username = credentials[0];
        String password = credentials[1];

        Map<String, String> params = new HashMap<>();

        if (!cmd.hasOption("t")) {
            System.out.println("Types must be defined");
            help();
        }
        String types = cmd.getOptionValue("t");
        String phase = cmd.getOptionValue("p");
        if (types.contains("all")) {
            if (phase == null) {
                System.out.println("When indexing all a phase must be given");
                help();
            } else if (!phase.equals("1") && !phase.equals("2")) {
                System.out.println("Phase number indexing all a phase must be given");
                help();
            }
        }

        params.put("indexingPhase", phase);
        params.put("indexingTypes", types);

        OrtolangClient client = OrtolangClient.getInstance();
        if (username.length() > 0) {
            client.getAccountManager().setCredentials(username, password);
            client.login(username);
        }
        System.out.println("Connected as user: " + client.connectedProfile());
        String pkey = client.createProcess("index-all",
                "Index all " + (types != null ? "(" + types + ")" : "(all)"), params, Collections.emptyMap());
        System.out.println("Index-All process created with key : " + pkey);

        client.logout();
        client.close();

    } catch (ParseException e) {
        System.out.println("Failed to parse command line properties " + e.getMessage());
        help();
    } catch (OrtolangClientException | OrtolangClientAccountException e) {
        System.out.println("Unexpected error !!");
        e.printStackTrace();
    }
}

From source file:com.spotify.styx.api.MiddlewaresTest.java

@Test
public void testJsonAsync() throws Exception {
    AsyncHandler<Response<ByteString>> outerHandler = Middlewares.jsonAsync()
            .apply(rc -> CompletableFuture.completedFuture(Response.forPayload(TEST_STRUCT)));

    CompletionStage<Response<ByteString>> completionStage = outerHandler
            .invoke(RequestContexts.create(mock(Request.class), mock(Client.class), Collections.emptyMap()));

    assertThat(completionStage.toCompletableFuture().get().payload().get().utf8(),
            is("{\"foo\":\"blah\"," + "\"inner_object\":{" + "\"field_name_convention\":\"bloh\","
                    + "\"enum_field\":\"enum_value\"}}"));
}

From source file:cop.maven.plugins.AbstractRamlConfigMojo.java

private void applyRamlPart(@NotNull Map<String, Object> map) {
    raml = CollectionUtils.size(raml) > 0 ? raml : new LinkedHashMap<>();

    Map<String, Object> raml = getOrCreateMap(map, Config.KEY_RAML);
    put(raml, this.raml, Config.KEY_RAML_VERSION);
    put(raml, this.raml, Config.KEY_RAML_SHOW_EXAMPLE);
    put(raml, this.raml, Config.KEY_RAML_STOP_ON_ERROR);
    put(raml, this.raml, Config.KEY_RAML_DEV);

    if (this.raml.containsKey(Config.KEY_RAML_SKIP)) {
        Map<String, Object> skip = getOrCreateMap(raml, Config.KEY_RAML_SKIP);
        Map<String, Object> src = (Map<String, Object>) this.raml.getOrDefault(Config.KEY_RAML_SKIP,
                Collections.emptyMap());
        put(skip, src, Config.KEY_RAML_SKIP_DEFAULT);
        put(skip, src, Config.KEY_RAML_SKIP_PATTERNS);
    }//from w w w. ja v  a2 s  .  c o m
}

From source file:biz.neustar.pc.ui.manager.impl.PaymentManagerImpl.java

private Map<String, Object> getErrorResponse(ClientResponse clientResponse) {
    try {//from  ww w.ja v  a2s  .  c  o  m
        clientResponse.bufferEntity();
        // copy buffer to a string and put back a copy
        final ClientResponse finalClientResponse = clientResponse;
        String buffer = IOUtils.toString(finalClientResponse.getEntityInputStream(), "UTF-8");
        LOGGER.info(buffer);
        LOGGER.info(buffer.toString());
        return new ObjectMapper().readValue(buffer, Map.class);
    } catch (Exception e) {
        // just eat the exception -- something else went wrong, it'll be
        // found when the content is re-read
        // by higher-level code
        LOGGER.warn("Had a bad request that wasn't related to an auth issue.  ", e);
        return Collections.emptyMap();
    }
}