Example usage for java.util Map containsKey

Introduction

In this page you can find the example usage for java.util Map containsKey.

Prototype

boolean containsKey(Object key);

Source Link

Document

Returns true if this map contains a mapping for the specified key.

Usage

From source file:org.saltyrtc.client.helpers.MessageReader.java

/**
 * Read MessagePack bytes, return a Message subclass instance.
 * @param bytes Messagepack bytes./*  w w w  .  jav a2 s.c o  m*/
 * @param taskTypes List of message types supported by task.
 * @return Message subclass instance.
 * @throws SerializationError Thrown if deserialization fails.
 * @throws ValidationError Thrown if message can be deserialized but is invalid.
 */
public static Message read(byte[] bytes, List<String> taskTypes) throws SerializationError, ValidationError {
    // Unpack data into map
    ObjectMapper objectMapper = new ObjectMapper(new MessagePackFactory());
    Map<String, Object> map;
    try {
        map = objectMapper.readValue(bytes, new TypeReference<Map<String, Object>>() {
        });
    } catch (IOException e) {
        throw new SerializationError("Deserialization failed", e);
    }

    // Get type value
    if (!map.containsKey("type")) {
        throw new SerializationError("Message does not contain a type field");
    }
    Object typeObj = map.get("type");
    if (!(typeObj instanceof String)) {
        throw new SerializationError("Message type must be a string");
    }
    String type = (String) typeObj;

    // Dispatch message instantiation
    switch (type) {
    case "server-hello":
        return new ServerHello(map);
    case "client-hello":
        return new ClientHello(map);
    case "server-auth":
        if (map.containsKey("initiator_connected")) {
            return new ResponderServerAuth(map);
        } else if (map.containsKey("responders")) {
            return new InitiatorServerAuth(map);
        }
        throw new ValidationError("Invalid server-auth message");
    case "client-auth":
        return new ClientAuth(map);
    case "new-initiator":
        return new NewInitiator(map);
    case "new-responder":
        return new NewResponder(map);
    case "drop-responder":
        return new DropResponder(map);
    case "send-error":
        return new SendError(map);
    case "token":
        return new Token(map);
    case "key":
        return new Key(map);
    case "auth":
        if (map.containsKey("task")) {
            return new InitiatorAuth(map);
        } else if (map.containsKey("tasks")) {
            return new ResponderAuth(map);
        }
        throw new ValidationError("Invalid auth message");
    case "close":
        return new Close(map);
    case "application":
        return new Application(map);
    default:
        if (taskTypes.contains(type)) {
            return new TaskMessage(type, map);
        }
        throw new ValidationError("Unknown message type: " + type);
    }
}

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From source file:net.dmulloy2.autocraft.util.BlockStates.java

/**
 * Applies serialized data from {@link #serialize(BlockState)} back to a
 * BlockState.//from   w ww. jav  a2  s  .c  om
 * 
 * @param state State to apply data to
 * @param values Data to apply
 */
public static void deserialize(BlockState state, Map<String, Object> values) {
    for (Method method : ReflectionUtil.getMethods(state.getClass())) {
        try {
            String name = method.getName();
            if (name.startsWith("set") && method.getParameterTypes().length == 1) {
                name = name.substring(3, name.length());
                if (values.containsKey(name)) {
                    method.invoke(state, values.get(name));
                }
            }
        } catch (Throwable ex) {
        }
    }
}

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From source file:org.jsharkey.sky.WebserviceHelper.java

/**
 * Retrieve a specific {@link Forecast} object from the given {@link Map}
 * structure. If the {@link Forecast} doesn't exist, it's created and
 * returned./*from  w  w w . j  a  va  2 s .  c o m*/
 */
private static Forecast getForecast(Map<String, List<Forecast>> forecasts, String layout, int index) {
    if (!forecasts.containsKey(layout)) {
        forecasts.put(layout, new ArrayList<Forecast>());
    }
    List<Forecast> layoutSpecific = forecasts.get(layout);

    while (index >= layoutSpecific.size()) {
        layoutSpecific.add(new Forecast());
    }
    return layoutSpecific.get(index);
}

---

From source file:Main.java

/**
 * Removes the value from the set of values mapped by key. If this value was the last value in the set of values
 * mapped by key, the complete key/values entry is removed.
 * /* ww  w .j  av a2s  .  com*/
 * @param key
 *            The key for which to remove a value.
 * @param value
 *            The value for which to remove the key.
 * @param map
 *            The object that maps the key to a set of values, on which the operation should occur.
 */
public static <K, V> void deleteAndRemove(final K key, final V value, final Map<K, Set<V>> map) {
    if (key == null) {
        throw new IllegalArgumentException("Argument 'key' cannot be null.");
    }
    if (value == null) {
        throw new IllegalArgumentException("Argument 'value' cannot be null.");
    }
    if (map == null) {
        throw new IllegalArgumentException("Argument 'map' cannot be null.");
    }

    if (map.isEmpty() || !map.containsKey(key)) {
        return;
    }

    final Set<V> values = map.get(key);
    values.remove(value);

    if (values.isEmpty()) {
        map.remove(key);
    }
}

---

From source file:org.cloudfoundry.caldecott.client.TunnelHelper.java

public static Map<String, String> getTunnelServiceInfo(CloudFoundryClient client, String serviceName) {
    String urlToUse = getTunnelUri(client) + "/services/" + serviceName;
    HttpHeaders requestHeaders = new HttpHeaders();
    requestHeaders.set("Auth-Token", getTunnelAuth(client));
    HttpEntity<?> requestEntity = new HttpEntity(requestHeaders);
    HttpEntity<String> response = restTemplate.exchange(urlToUse, HttpMethod.GET, requestEntity, String.class);
    String json = response.getBody().trim();
    Map<String, String> svcInfo = new HashMap<String, String>();
    try {/*from w  w w . ja v a 2s.co  m*/
        svcInfo = convertJsonToMap(json);
    } catch (IOException e) {
        return new HashMap<String, String>();
    }
    if (svcInfo.containsKey("url")) {
        String svcUrl = svcInfo.get("url");
        try {
            URI uri = new URI(svcUrl);
            String[] userInfo;
            if (uri.getUserInfo().contains(":")) {
                userInfo = uri.getUserInfo().split(":");
            } else {
                userInfo = new String[2];
                userInfo[0] = uri.getUserInfo();
                userInfo[1] = "";
            }
            svcInfo.put("user", userInfo[0]);
            svcInfo.put("username", userInfo[0]);
            svcInfo.put("password", userInfo[1]);
            svcInfo.put("host", uri.getHost());
            svcInfo.put("hostname", uri.getHost());
            svcInfo.put("port", "" + uri.getPort());
            svcInfo.put("path", (uri.getPath().startsWith("/") ? uri.getPath().substring(1) : uri.getPath()));
            svcInfo.put("vhost", svcInfo.get("path"));
        } catch (URISyntaxException e) {
        }
    }
    return svcInfo;
}

---

From source file:com.thinkbiganalytics.feedmgr.util.ImportUtil.java

public static void addToImportOptionsSensitiveProperties(ImportOptions importOptions,
        List<NifiProperty> sensitiveProperties, ImportComponent component) {
    ImportComponentOption option = importOptions.findImportComponentOption(component);
    if (option.getProperties().isEmpty()) {
        option.setProperties(sensitiveProperties.stream().map(p -> new ImportProperty(p.getProcessorName(),
                p.getProcessorId(), p.getKey(), "", p.getProcessorType())).collect(Collectors.toList()));
    } else {//from  w  w w  .  ja va2  s  .co m
        //only add in those that are unique
        Map<String, ImportProperty> propertyMap = option.getProperties().stream()
                .collect(Collectors.toMap(p -> p.getProcessorNameTypeKey(), p -> p));
        sensitiveProperties.stream()
                .filter(nifiProperty -> !propertyMap.containsKey(nifiProperty.getProcessorNameTypeKey()))
                .forEach(p -> {
                    option.getProperties().add(new ImportProperty(p.getProcessorName(), p.getProcessorId(),
                            p.getKey(), "", p.getProcessorType()));
                });
    }
}

---

From source file:com.ibm.bluemix.samples.PostgreSQLReportedErrors.java

/**
 * Establishes a connection to the database
 * // www  .  j  av  a 2  s  .  co  m
 * @return the established connection
 * 
 * @throws Exception
 *          a custom exception thrown if no postgresql service URL was found
 */
public static Connection getConnection() throws Exception {
    Map<String, String> env = System.getenv();

    if (env.containsKey("VCAP_SERVICES")) {
        // we are running on cloud foundry, let's grab the service details from vcap_services
        JSONParser parser = new JSONParser();
        JSONObject vcap = (JSONObject) parser.parse(env.get("VCAP_SERVICES"));
        JSONObject service = null;

        // We don't know exactly what the service is called, but it will contain "postgresql"
        for (Object key : vcap.keySet()) {
            String keyStr = (String) key;
            if (keyStr.toLowerCase().contains("postgresql")) {
                service = (JSONObject) ((JSONArray) vcap.get(keyStr)).get(0);
                break;
            }
        }

        if (service != null) {
            JSONObject creds = (JSONObject) service.get("credentials");
            String name = (String) creds.get("name");
            String host = (String) creds.get("host");
            Long port = (Long) creds.get("port");
            String user = (String) creds.get("user");
            String password = (String) creds.get("password");

            String url = "jdbc:postgresql://" + host + ":" + port + "/" + name;

            return DriverManager.getConnection(url, user, password);
        }
    }
    throw new Exception(
            "No PostgreSQL service URL found. Make sure you have bound the correct services to your app.");
}

---

From source file:com.ikon.util.DatabaseMetadataUtils.java

/**
 * Obtain a DatabaseMetadataValue from a Map
 *//*w ww  .  j a v a 2  s .  c om*/
public static DatabaseMetadataValue getDatabaseMetadataValueByMap(Map<String, String> map)
        throws DatabaseException, IllegalAccessException, InvocationTargetException {
    DatabaseMetadataValue dmv = new DatabaseMetadataValue();

    if (!map.isEmpty() && map.containsKey(DatabaseMetadataMap.MV_NAME_TABLE)) {
        dmv.setTable(map.get(DatabaseMetadataMap.MV_NAME_TABLE));

        if (map.containsKey(DatabaseMetadataMap.MV_NAME_ID)) {
            dmv.setId(new Double(map.get(DatabaseMetadataMap.MV_NAME_ID)).longValue());
        }

        List<DatabaseMetadataType> types = DatabaseMetadataDAO.findAllTypes(dmv.getTable());
        for (DatabaseMetadataType emt : types) {
            if (!emt.getVirtualColumn().equals(DatabaseMetadataMap.MV_NAME_ID)
                    && !emt.getVirtualColumn().equals(DatabaseMetadataMap.MV_NAME_TABLE)) {
                if (map.keySet().contains(emt.getVirtualColumn())) {
                    BeanUtils.setProperty(dmv, emt.getRealColumn(), map.get(emt.getVirtualColumn()));
                }
            }
        }
    }

    return dmv;
}

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From source file:org.grails.datastore.mapping.core.DatastoreUtils.java

/**
 * Close the given Session or register it for deferred close.
 * @param session the Datastore Session to close
 * @param datastore Datastore that the Session was created with
 * (may be <code>null</code>)
 * @see #initDeferredClose/*  ww  w . j  av a  2  s.c  o  m*/
 * @see #processDeferredClose
 */
public static void closeSessionOrRegisterDeferredClose(Session session, Datastore datastore) {
    Map<Datastore, Set<Session>> holderMap = deferredCloseHolder.get();
    if (holderMap != null && datastore != null && holderMap.containsKey(datastore)) {
        logger.debug("Registering Datastore Session for deferred close");
        holderMap.get(datastore).add(session);
    } else {
        closeSession(session);
    }
}

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From source file:Main.java

public static <TKey, TValue> boolean MapEquals(Map<TKey, TValue> mapA, Map<TKey, TValue> mapB) {
    if (mapA == null) {
        return mapB == null;
    }/*from   w  w  w . ja v a 2s. co m*/
    if (mapB == null) {
        return false;
    }
    if (mapA.size() != mapB.size()) {
        return false;
    }
    for (Map.Entry<TKey, TValue> kvp : mapA.entrySet()) {
        TValue valueB = null;
        boolean hasKey;
        valueB = mapB.get(kvp.getKey());
        hasKey = (valueB == null) ? mapB.containsKey(kvp.getKey()) : true;
        if (hasKey) {
            TValue valueA = kvp.getValue();
            if (!(((valueA) == null) ? ((valueB) == null) : (valueA).equals(valueB))) {
                return false;
            }
        } else {
            return false;
        }
    }
    return true;
}

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