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:io.github.moosbusch.lumpi.util.FormUtil.java

public static boolean isExcludedProperty(Class<?> type, String propertyName,
        Map<String, Set<Class<?>>> excludedProperties) {
    Map<String, Set<Class<?>>> excludedProps = excludedProperties;

    if (excludedProps != null) {
        if (excludedProps.containsKey(propertyName)) {
            Set<Class<?>> ignoredPropertyTypes = excludedProps.get(propertyName);
            Set<Class<?>> superTypes = LumpiUtil.getSuperTypes(type, true, true, true);

            if (!ignoredPropertyTypes.contains(type)) {
                if (superTypes.stream().anyMatch((superType) -> (!ignoredPropertyTypes.contains(superType)))) {
                    return true;
                }//from  w w  w.  j av a 2 s. c  o  m
            }
        }
    }

    return false;
}

From source file:net.itransformers.idiscover.v2.core.CvsConnectionDetailsFactory.java

@SuppressWarnings("unchecked")
public static Map<String, ConnectionDetails> createConnectionDetail(File file) throws IOException {
    List<String> lines = FileUtils.readLines(file);
    Map<String, ConnectionDetails> result = new LinkedHashMap<String, ConnectionDetails>();
    for (String line : lines) {
        if (line.trim().equals(""))
            continue;
        if (line.startsWith("#"))
            continue;
        int headerSeparatorIndex = line.indexOf(":");
        if (headerSeparatorIndex == -1) {
            throw new RuntimeException(
                    "Can not find header separator ':', for connection details line: " + line);
        }/*  w w  w. j  av  a2  s .c o m*/
        String header = line.substring(0, headerSeparatorIndex);
        String body = line.substring(headerSeparatorIndex + 1);
        Map<String, String> headerAttributes = parse(line, header);
        Map<String, String> attributes = parse(line, body);
        if (!headerAttributes.containsKey("type")) {
            throw new RuntimeException(
                    "Can not find 'type' attribute in header, for connection details line: " + line);
        }
        if (!headerAttributes.containsKey("name")) {
            throw new RuntimeException(
                    "Can not find 'name' attribute in header, for connection details line: " + line);
        }
        ConnectionDetails details = new ConnectionDetails(headerAttributes.get("type"), attributes);
        result.put(headerAttributes.get("name"), details);
    }
    return result;
}

From source file:Main.java

/**
 * Given an Object, and a key (index), returns the value associated with
 * that key in the Object. The following checks are made:
 * <ul>//from  www  .  j  av a  2 s .  c o m
 * <li>If obj is a Map, use the index as a key to get a value. If no match continue.
 * <li>Check key is an Integer. If not, return the object passed in.
 * <li>If obj is a Map, get the nth value from the <b>keySet</b> iterator.
 *     If the Map has fewer than n entries, return an empty Iterator.
 * <li>If obj is a List or an array, get the nth value, throwing IndexOutOfBoundsException,
 *     ArrayIndexOutOfBoundsException, resp. if the nth value does not exist.
 * <li>If obj is an iterator, enumeration or Collection, get the nth value from the iterator,
 *     returning an empty Iterator (resp. Enumeration) if the nth value does not exist.
 * <li>Return the original obj.
 * </ul>
 *
 * @param obj  the object to get an index of
 * @param index  the index to get
 * @return the object at the specified index
 * @throws IndexOutOfBoundsException
 * @throws ArrayIndexOutOfBoundsException
 *
 * @deprecated use {@link #get(Object, int)} instead. Will be removed in v4.0
 */
public static Object index(Object obj, Object index) {
    if (obj instanceof Map) {
        Map map = (Map) obj;
        if (map.containsKey(index)) {
            return map.get(index);
        }
    }
    int idx = -1;
    if (index instanceof Integer) {
        idx = ((Integer) index).intValue();
    }
    if (idx < 0) {
        return obj;
    } else if (obj instanceof Map) {
        Map map = (Map) obj;
        Iterator iterator = map.keySet().iterator();
        return index(iterator, idx);
    } else if (obj instanceof List) {
        return ((List) obj).get(idx);
    } else if (obj instanceof Object[]) {
        return ((Object[]) obj)[idx];
    } else if (obj instanceof Enumeration) {
        Enumeration it = (Enumeration) obj;
        while (it.hasMoreElements()) {
            idx--;
            if (idx == -1) {
                return it.nextElement();
            } else {
                it.nextElement();
            }
        }
    } else if (obj instanceof Iterator) {
        return index((Iterator) obj, idx);
    } else if (obj instanceof Collection) {
        Iterator iterator = ((Collection) obj).iterator();
        return index(iterator, idx);
    }
    return obj;
}

From source file:de.uniko.west.winter.core.serializing.JSONResultProcessor.java

public static Iterator<Object> processResultsSingleVar(String results, String var) {

    try {//from  w  w w  .j  ava 2  s  .c  o m
        System.out.println("RESULT: " + results);
        JSONObject jsonResultObject = new JSONObject(results);
        System.out.println("JSONRESULT: " + jsonResultObject);
        Map<String, Set<Object>> resultsMap = convertJson2Map(jsonResultObject);
        if (resultsMap.containsKey(var)) {
            return resultsMap.get(var).iterator();
        } else {
            throw new WinterException("Exception while updateprocess. Variable not in query result.");
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void printDetails(Map<String, String> map) {
    String usage = map.get("CSS");
    System.out.println("Map: " + map);
    System.out.println("Map Size:  " + map.size());
    System.out.println("Map is empty:  " + map.isEmpty());
    System.out.println("Map contains CSS key:   " + map.containsKey("CSS"));
    System.out.println("Usage:  " + usage);
    System.out.println("removed:  " + map.remove("CSS"));
}

From source file:Main.java

public static <K, V> Map<K, V> conditionalPutAndCreateTreeMapIfAbsent(Map<K, V> map, boolean cond, K key,
        V value) {/*  w  w  w  . j a v a 2  s . c  o m*/
    if (cond) {
        if (map == null) {
            map = new TreeMap<K, V>();
            map.put(key, value);
        } else if (!map.containsKey(key)) {
            map.put(key, value);
        }
    }
    return map;
}

From source file:json.YetiJson.java

@SuppressWarnings("rawtypes")
static private void convertField(Struct expected, Struct result, Map values, String name) {
    if (values.containsKey(name)) {
        result.set(name, convertValue(expected.get(name), values.get(name)));
    } else {/*from w  w  w  . j  a v  a2  s  .  c o  m*/
        failWith(String.format("No entry with name `%s`", name));
    }
}

From source file:kafka.benchmark.AdvertisingTopology.java

private static String getKafkaTopic(Map<?, ?> conf) {
    if (!conf.containsKey("kafka.topic")) {
        throw new IllegalArgumentException("No kafka topic found!");
    }//  ww  w .  j a  v  a2s.c  om
    return (String) conf.get("kafka.topic");
}

From source file:kafka.benchmark.AdvertisingTopology.java

private static String getRedisHost(Map<?, ?> conf) {
    if (!conf.containsKey("redis.host")) {
        throw new IllegalArgumentException("No redis host found!");
    }//from   w w  w . j a va2  s . c o m
    return (String) conf.get("redis.host");
}

From source file:jease.cmf.service.Nodes.java

/**
 * Returns node from root by given path.
 *///from ww  w .jav a 2 s.  c o  m
public static Node getByPath(String path) {
    if (root == null) {
        return null;
    }
    Map<String, Node> cache = Database.query(nodesByPath);
    if (!cache.containsKey(path)) {
        Node node = root.getChild(path);
        if (node != null) {
            cache.put(path, node);
        }
    }
    return cache.get(path);
}