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:com.thoughtworks.go.server.domain.user.FilterValidator.java

static void validateNameIsUnique(Map<String, DashboardFilter> current, String name) {
    if (current.containsKey(name.toLowerCase()))
        throw new FilterValidationException("Duplicate filter name: " + name);
}

From source file:Main.java

/**
 *//*from   w w  w . j a v  a2 s  .c o m*/
public static <A, B> boolean containsAnyKey(Map<A, B> map, List<A> keys) {
    boolean answer = false;
    for (A k : keys) {
        if (map.containsKey(k)) {
            answer = true;
            break;
        }
    }
    return answer;
}

From source file:Main.java

public static <K, V> V safeGet(Map<K, V> map, K key, V defaultValue) {
    if (map == null) {
        return null;
    } else {/*from w w w  . j av  a2  s . c om*/
        return map.containsKey(key) ? map.get(key) : defaultValue;
    }
}

From source file:org.xwiki.chart.internal.DefaultChartGenerator.java

/**
 * Sets up values in a map, unless they already exist.
 * /*  ww  w. ja  va  2s  .c o m*/
 * @param key the key
 * @param value the corresponding value
 * @param map the map in which the values are put
 */
private static void setParam(String key, String value, Map<String, String> map) {
    if (!map.containsKey(key)) {
        map.put(key, value);
    }
}

From source file:Main.java

public static <T, U> void mapMergeRemove(Map<T, List<U>> map, Map<T, List<U>> mapToRemove) {
    for (Map.Entry<T, List<U>> e : mapToRemove.entrySet()) {
        if (map.containsKey(e.getKey())) {
            map.get(e.getKey()).removeAll(e.getValue());
            if (map.get(e.getKey()).isEmpty()) {
                map.remove(e.getKey());//from   w  w w.  j  ava 2s.  com
            }
        }
    }
}

From source file:Main.java

public static <K, V> Map<K, V> subMap(Map<K, V> map, Collection<K> subKeys) {
    Map<K, V> newMap = new HashMap<K, V>();
    for (K k : subKeys) {
        if (map.containsKey(k))
            newMap.put(k, map.get(k));//from w w  w  .j  av a 2  s  .  c o  m
    }
    return newMap;
}

From source file:com.intbit.util.ServletUtil.java

public static boolean mapContainsKey(Map<String, Object> requestBodyMap, String key) {
    if (!requestBodyMap.containsKey(key) || requestBodyMap.get(key) == null
            || StringUtils.isEmpty(requestBodyMap.get(key).toString())) {
        return false;
    }//from w w  w .j  a  v a2  s  .  co  m
    return true;
}

From source file:Main.java

/**
 * Partition on the keys returned by mapper
 *///from  w w  w. j  a va2  s.c  om
public static <T1, T2> Map<T2, List<T1>> partition(List<T1> lst, Function<T1, T2> mapper) {
    Map<T2, List<T1>> map = new HashMap<>();
    for (T1 elem : lst) {
        T2 key = mapper.apply(elem);
        if (!map.containsKey(key))
            map.put(key, new ArrayList<T1>());
        map.get(key).add(elem);
    }
    return map;
}

From source file:de.innovationgate.wgaservices.xfire.XFireClientFactoryService.java

private static void addDefaultServiceProperties(Map<String, Object> props) {
    if (!props.containsKey("mtom-enabled")) {
        props.put("mtom-enabled", "true");
    }/*from w  ww .java2 s .  com*/

    if (!props.containsKey(HttpTransport.CHUNKING_ENABLED)) {
        props.put(HttpTransport.CHUNKING_ENABLED, "true");
    }

    if (!props.containsKey(CommonsHttpMessageSender.HTTP_CLIENT_PARAMS)) {
        HttpClientParams params = new HttpClientParams();
        params.setIntParameter(HttpConnectionParams.CONNECTION_TIMEOUT, 1000 * 5);
        params.setIntParameter(HttpConnectionParams.SO_TIMEOUT, 1000 * 60);
        props.put(CommonsHttpMessageSender.HTTP_CLIENT_PARAMS, params);
    }
}

From source file:Main.java

/**
 * get all values corresponding to the indices (if they exist in the map)
 * @param map/*from  w  w  w .j av a  2  s.  co  m*/
 * @param indices
 * @return
 */
public static <T, V> List<V> getAll(Map<T, V> map, Collection<T> indices) {
    List<V> result = new ArrayList<V>();
    for (T i : indices)
        if (map.containsKey(i)) {
            result.add(map.get(i));
        }
    return result;
}