Example usage for java.util HashSet HashSet

Introduction

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

Prototype

public HashSet()

Source Link

Document

Constructs a new, empty set; the backing HashMap instance has default initial capacity (16) and load factor (0.75).

Usage

From source file:Main.java

public static boolean isUserLoggedIn(Context context) {
    return !PreferenceManager.getDefaultSharedPreferences(context)
            .getStringSet(LOGGED_IN_USER_PREFERENCE_KEY, new HashSet<String>()).isEmpty();
}

From source file:Main.java

public static boolean validProcess(String xml) {
    try {/*from   www. ja  va 2s . c  om*/
        Set<String> classifiers = new HashSet<String>();

        InputStream is = new ByteArrayInputStream(xml.getBytes());
        DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
        Document document = docBuilder.parse(is);

        // iterate over all operators
        NodeList nodes = document.getElementsByTagName("operator");
        for (int i = 0; i < nodes.getLength(); i++) {
            Element element = (Element) nodes.item(i);
            String className = element.getAttribute("class");

            if (classifiers.contains(className)) {
                return false;
            }
            classifiers.add(className);
        }
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:Main.java

public static Set<String> LoadLisPreferences(String key, Context context) {
    SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
    Set<String> value = new HashSet<String>();
    value = sharedPreferences.getStringSet(key, null);
    return value;
}

From source file:com.glaf.core.util.JsonUtils.java

public static void main(String[] args) throws Exception {
    Map<String, Object> dataMap = new java.util.HashMap<String, Object>();
    dataMap.put("key01", "");
    dataMap.put("key02", 12345);
    dataMap.put("key03", 789.85D);
    dataMap.put("date", new Date());
    Collection<Object> actorIds = new HashSet<Object>();
    actorIds.add("sales01");
    actorIds.add("sales02");
    actorIds.add("sales03");
    actorIds.add("sales04");
    actorIds.add("sales05");
    dataMap.put("actorIds", actorIds.toArray());
    dataMap.put("x_sale_actor_actorIds", actorIds);

    Map<String, Object> xxxMap = new java.util.HashMap<String, Object>();
    xxxMap.put("0", "--------");
    xxxMap.put("1", "?");
    xxxMap.put("2", "");
    xxxMap.put("3", "");

    dataMap.put("trans", xxxMap);

    String str = JsonUtils.encode(dataMap);
    System.out.println(str);/*from ww w  .  jav a 2  s. co m*/
    Map<?, ?> p = JsonUtils.decode(str);
    System.out.println(p);
    System.out.println(p.get("date").getClass().getName());

    String xx = "{name:\"trans\",nodeType:\"select\",children:{\"1\":\"?\",\"3\":\"\",\"2\":\"\",\"0\":\"--------\"}}";
    Map<String, Object> xMap = JsonUtils.decode(xx);
    System.out.println(xMap);
    Set<Entry<String, Object>> entrySet = xMap.entrySet();
    for (Entry<String, Object> entry : entrySet) {
        String key = entry.getKey();
        Object value = entry.getValue();
        System.out.println(key + " = " + value);
        System.out.println(key.getClass().getName() + "  " + value.getClass().getName());
        if (value instanceof JSONObject) {
            JSONObject json = (JSONObject) value;
            Iterator<?> iter = json.keySet().iterator();
            while (iter.hasNext()) {
                String kk = (String) iter.next();
                System.out.println(kk + " = " + json.get(kk));
            }
        }
    }
}

From source file:Main.java

static Set<Pattern> getFilterFromFile(String filename) {
    try {//from   w w w  .j  ava 2 s .  c  o m
        BufferedReader br = new BufferedReader(new FileReader(filename));
        Set<Pattern> filter = new HashSet<>();
        String line;
        while ((line = br.readLine()) != null) {
            if (line.trim().equals("")) {
                continue;
            }
            filter.add(Pattern.compile(line.trim().toLowerCase()));
        }
        return filter;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

/**
 * Converts an array of chars to a Set of Characters. 
 * @param array the contents of the new Set
 * @return a Set containing the elements in the array
 *///from w w w  .  ja  va2  s .  c o m
public static Set<Character> arrayToSet(char... array) {
    Set<Character> toReturn;

    if (array == null)
        return new HashSet<Character>();
    toReturn = new HashSet<Character>(array.length);
    for (char c : array) {
        toReturn.add(c);
    }
    return toReturn;
}

From source file:Main.java

protected static Set unionEmail(Set excluded, String email) {
    String _sub = email.substring(email.indexOf('@') + 1);

    if (excluded.isEmpty()) {
        excluded.add(_sub);/*from  w w  w . ja  v  a  2 s  . c om*/
        return excluded;
    } else {
        Set intersect = new HashSet();

        Iterator _iter = excluded.iterator();
        while (_iter.hasNext()) {
            String _excluded = (String) _iter.next();

            if (_sub.endsWith(_excluded)) {
                intersect.add(_excluded);
            } else if (_excluded.endsWith(_sub)) {
                intersect.add(_sub);
            } else {
                intersect.add(_excluded);
                intersect.add(_sub);
            }
        }

        return intersect;
    }
}

From source file:Main.java

protected static Set intersectEmail(Set permitted, String email) {
    String _sub = email.substring(email.indexOf('@') + 1);

    if (permitted.isEmpty()) {
        permitted.add(_sub);//from   ww w. j  a  v  a2s.co  m

        return permitted;
    } else {
        Set intersect = new HashSet();

        Iterator _iter = permitted.iterator();
        while (_iter.hasNext()) {
            String _permitted = (String) _iter.next();

            if (_sub.endsWith(_permitted)) {
                intersect.add(_sub);
            } else if (_permitted.endsWith(_sub)) {
                intersect.add(_permitted);
            }
        }

        return intersect;
    }
}

From source file:Main.java

public static Set minus(Set oriSet, Set tarSet) {
    if (oriSet == null || oriSet.size() == 0)
        return oriSet;
    if (tarSet == null || tarSet.size() == 0)
        return oriSet;
    Iterator oriItor = oriSet.iterator();
    Set minusSet = new HashSet();
    while (oriItor.hasNext()) {
        Object oriObj = oriItor.next();
        Iterator tarItor = tarSet.iterator();
        boolean isExist = false;
        while (tarItor.hasNext()) {
            Object tarObj = tarItor.next();
            if (tarObj.equals(oriObj)) {
                isExist = true;/*ww w  . ja  va 2 s . c o  m*/
                break;
            }
        }
        if (!isExist) {
            minusSet.add(oriObj);
        }

    }
    return minusSet;

}

From source file:Main.java

public static void deleteFaces(List<String> faceIdsToDelete, String personId, Context context) {
    Set<String> faceIds = getAllFaceIds(personId, context);
    Set<String> newFaceIds = new HashSet<>();
    for (String faceId : faceIds) {
        if (!faceIdsToDelete.contains(faceId)) {
            newFaceIds.add(faceId);//from   w ww  .ja  va  2s. c o m
        }
    }
    SharedPreferences faceIdSet = context.getSharedPreferences(personId + "FaceIdSet", Context.MODE_PRIVATE);
    SharedPreferences.Editor faceIdSetEditor = faceIdSet.edit();
    faceIdSetEditor.putStringSet("FaceIdSet", newFaceIds);
    faceIdSetEditor.commit();
}