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:flink.benchmark.AdvertisingTopologyNative.java

private static String getKafkaBrokers(Map conf) {
    if (!conf.containsKey("kafka.brokers")) {
        throw new IllegalArgumentException("No kafka brokers found!");
    }//ww w .  j  ava  2 s  .c om
    if (!conf.containsKey("kafka.port")) {
        throw new IllegalArgumentException("No kafka port found!");
    }
    return listOfStringToString((List<String>) conf.get("kafka.brokers"),
            String.valueOf(conf.get("kafka.port")));
}

From source file:Main.java

public static boolean isCheckMapState(Map<String, String> value) {
    if (value == null) {
        return false;
    }/*from www.  ja  v  a  2  s  . c  o m*/
    if (value.isEmpty()) {
        return false;

    }
    if (value.containsKey("status") && value.get("status").equals("0")) {
        return true;
    } else {
        return false;
    }

}

From source file:Main.java

public static <K, V> void putIfAbsent(Map<K, V> from, Map<K, ? super V> to) {
    if (from == null || to == null) {
        return;//from   ww  w.j av a  2 s.  c o  m
    }
    for (Map.Entry<K, V> entry : from.entrySet()) {
        if (!to.containsKey(entry.getKey())) {
            to.put(entry.getKey(), entry.getValue());
        }
    }
}

From source file:ai.susi.tools.JsonSignature.java

public static void removeSignature(Map<String, byte[]> obj) {
    if (obj.containsKey(signatureString))
        obj.remove(signatureString);//from ww w.  jav  a  2s.c  o  m
}

From source file:ai.susi.tools.JsonSignature.java

public static boolean hasSignature(Map<String, byte[]> obj) {
    return obj.containsKey(signatureString);
}

From source file:io.cloudslang.content.amazon.utils.OutputsUtil.java

public static Map<String, String> getValidResponse(Map<String, String> queryMapResult) {
    if (queryMapResult != null) {
        if (queryMapResult.containsKey(STATUS_CODE) && (valueOf(SC_OK).equals(queryMapResult.get(STATUS_CODE)))
                && queryMapResult.containsKey(RETURN_RESULT) && !isEmpty(queryMapResult.get(RETURN_RESULT))) {
            queryMapResult.put(RETURN_CODE, SUCCESS);
        } else {//w ww .j a  v  a 2  s  .  c  o  m
            queryMapResult.put(RETURN_CODE, FAILURE);
        }
        return queryMapResult;
    } else {
        Map<String, String> resultMap = new HashMap<>();
        resultMap.put(EXCEPTION, "Null response!");
        resultMap.put(RETURN_CODE, FAILURE);
        resultMap.put(RETURN_RESULT, "The query returned null response!");
        return resultMap;
    }
}

From source file:com.baidu.rigel.biplatform.ac.util.ThreadLocalPlaceholder.java

/**
 * Remove the object from thread.//w ww  . ja  v a2  s.co m
 * 
 * @param key
 *            key of object
 */
public static void unbindProperty(Object key) {

    if (key == null) {
        throw new IllegalArgumentException("Parameter must not be null");
    }

    // Get Current Thread Map
    Map<Object, Object> propertiesMap = getThreadMap();
    if (!propertiesMap.containsKey(key)) {
        LOG.debug("Removed value [" + key + "] from thread [" + Thread.currentThread().getName() + "]");
    }

    propertiesMap.remove(key);

    LOG.debug("Removed key [" + key + "] from thread [" + Thread.currentThread().getName() + "]");
}

From source file:Main.java

static <T, K> Map<K, List<T>> groupBy(List<T> elements, Function<T, K> classifier) {
    //TODO Implement me
    Map<K, List<T>> map = new HashMap<>();
    List<T> list = new ArrayList<>();
    for (T element : elements) {
        K value = classifier.apply(element);
        if (map.containsKey(value)) {
            map.get(value).add(element);
        } else {/*from w w w .j ava2s  .c  o  m*/
            list.add(element);
            map.put(value, list);
        }
    }
    return map;
}

From source file:com.tdclighthouse.prototype.utils.TdcUtils.java

public static boolean mapContainsKey(@SuppressWarnings("rawtypes") Map map, Object key) {
    return map.containsKey(key);
}

From source file:com.github.mjeanroy.springmvc.view.mustache.commons.ClassUtils.java

/**
 * Get annotation method value.//from   w  ww.  ja  v  a 2  s.  c  o m
 *
 * @param importingClassMetadata Metadata.
 * @param annotationClass        Annotation class to look for.
 * @param name                   Name of method.
 * @param defaultValue           Default value if original value is null.
 * @param <T>                    Type of returned value.
 * @return Annotation value, or default value if original value is null.
 */
@SuppressWarnings("unchecked")
public static <T> T getAnnotationValue(AnnotationMetadata importingClassMetadata, Class annotationClass,
        String name, T defaultValue) {
    Map<String, Object> attributes = importingClassMetadata.getAnnotationAttributes(annotationClass.getName());
    return attributes != null && attributes.containsKey(name) ? (T) attributes.get(name) : defaultValue;
}