Example usage for java.util Collection add

Introduction

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

Prototype

boolean add(E e);

Source Link

Document

Ensures that this collection contains the specified element (optional operation).

Usage

From source file:com.shenit.commons.utils.CollectionUtils.java

public static <V> V add(Collection<V> col, V val) {
    if (!ValidationUtils.isEmpty(col))
        col.add(val);
    return val;
}

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

public static JSONObject toJSONObject(Map<String, Object> params) {
    JSONObject jsonObject = null;//ww  w .j  a  v a  2 s . co  m
    if (params != null) {
        jsonObject = new JSONObject();
        Set<Entry<String, Object>> entrySet = params.entrySet();
        for (Entry<String, Object> entry : entrySet) {
            String key = entry.getKey();
            Object value = entry.getValue();
            try {
                if (value != null) {
                    if (value instanceof Object[]) {
                        Object[] array = (Object[]) value;
                        Collection<Object> collection = new java.util.ArrayList<Object>();
                        for (int i = 0; i < array.length; i++) {
                            collection.add(array[i]);
                        }
                        jsonObject.put(key, collection);
                    } else if (value instanceof Collection<?>) {
                        Collection<?> collection = (Collection<?>) value;
                        jsonObject.put(key, collection);
                    } else if (value instanceof Map<?, ?>) {
                        Map<?, ?> map = (Map<?, ?>) value;
                        jsonObject.put(key, map);
                    } else if (value instanceof java.util.Date) {
                        java.util.Date date = (java.util.Date) value;
                        String datetime = DateUtils.getDateTime(date);
                        jsonObject.put(key, datetime);
                    } else {
                        jsonObject.put(key, value);
                    }
                }
            } catch (JSONException ex) {
                ex.printStackTrace();
            }
        }
    }
    return jsonObject;
}

From source file:com.google.gerrit.sshd.DatabasePubKeyAuth.java

private static void addPublicKey(final Collection<PublicKey> out, final KeyPairProvider p, final String type) {
    final KeyPair pair = p.loadKey(type);
    if (pair != null && pair.getPublic() != null) {
        out.add(pair.getPublic());
    }// ww  w  . j  a v  a  2s.c  o  m
}

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

public static String encode(Map<String, Object> params) {
    JSONObject jsonObject = null;//from   w  ww  .  java2s .  com
    String str = null;
    if (params != null) {
        jsonObject = new JSONObject();
        Set<Entry<String, Object>> entrySet = params.entrySet();
        for (Entry<String, Object> entry : entrySet) {
            String key = entry.getKey();
            Object value = entry.getValue();
            try {
                if (value != null) {
                    if (value instanceof Object[]) {
                        Object[] array = (Object[]) value;
                        Collection<Object> collection = new java.util.ArrayList<Object>();
                        for (int i = 0; i < array.length; i++) {
                            collection.add(array[i]);
                        }
                        jsonObject.put(key, collection);
                    } else if (value instanceof Collection<?>) {
                        Collection<?> collection = (Collection<?>) value;
                        jsonObject.put(key, collection);
                    } else if (value instanceof Map<?, ?>) {
                        Map<?, ?> map = (Map<?, ?>) value;
                        jsonObject.put(key, map);
                    } else if (value instanceof java.util.Date) {
                        java.util.Date date = (java.util.Date) value;
                        String datetime = DateUtils.getDateTime(date);
                        jsonObject.put(key, datetime);
                    } else {
                        jsonObject.put(key, value);
                    }
                }
            } catch (JSONException ex) {
                ex.printStackTrace();
            }
        }
        str = jsonObject.toString();
    }
    return str;
}

From source file:edu.uci.ics.jung.utils.PredicateUtils.java

public static Collection getSatisfyingElements(Collection c, Predicate p) {
    Collection satisfied = new LinkedList();
    for (Iterator iter = c.iterator(); iter.hasNext();) {
        Object o = iter.next();/* w w  w . j  av  a  2 s .  c  o m*/
        if (p.evaluate(o))
            satisfied.add(o);
    }
    return satisfied;
}

From source file:Main.java

/**
 * Removes all available elements from this {@link Iterable} and adds 
 * them to the given {@link Collection}.
 *//*  w  w w.  j  ava 2s. c o m*/
public static <T> int drainTo(Iterable<? extends T> src, Collection<? super T> dst, int max) {
    if (src instanceof BlockingQueue<?>) {
        return ((BlockingQueue<? extends T>) src).drainTo(dst, max);
    }

    int count = 0;

    for (Iterator<? extends T> it = src.iterator(); it.hasNext();) {
        if (count >= max) {
            break;
        }

        dst.add(it.next());
        it.remove();
        ++count;
    }

    return count;
}

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

public static Map<String, String> decodeStringMap(String str) {
    Map<String, String> dataMap = new LinkedHashMap<String, String>();
    if (StringUtils.isNotEmpty(str) && (str.length() > 0 && str.charAt(0) == '{') && str.endsWith("}")) {
        try {/*from   w  w w.jav  a  2 s  . c  om*/
            JSONObject jsonObject = (JSONObject) JSON.parse(str);
            Iterator<Entry<String, Object>> iterator = jsonObject.entrySet().iterator();
            while (iterator.hasNext()) {
                Entry<String, Object> entry = iterator.next();
                String key = (String) entry.getKey();
                Object value = entry.getValue();
                if (value != null) {
                    if (value instanceof Object[]) {
                        Object[] array = (Object[]) value;
                        Collection<Object> collection = new java.util.ArrayList<Object>();
                        for (int i = 0; i < array.length; i++) {
                            collection.add(array[i]);
                        }

                    } else if (value instanceof JSONArray) {
                        JSONArray array = (JSONArray) value;
                        Collection<Object> collection = new java.util.ArrayList<Object>();
                        for (int i = 0, len = array.size(); i < len; i++) {
                            collection.add(array.get(i));
                        }

                    } else if (value instanceof Collection<?>) {

                    } else if (value instanceof Map<?, ?>) {

                    } else {

                        dataMap.put(key, value.toString());

                    }
                }
            }
        } catch (JSONException ex) {
            ex.printStackTrace();
        }
    }
    return dataMap;
}

From source file:exm.stc.ic.ICUtil.java

public static void addIfVar(Collection<Var> res, Arg a) {
    if (a.isVar()) {
        res.add(a.getVar());
    }
}

From source file:Main.java

public static <E> boolean addAll(final Collection<? super E> c, final E[] array, final int off, final int len) {
    final int end = off + len;
    boolean result = false;

    for (int i = off; i < end; i++) {
        result |= c.add(array[i]);
    }/*from w  w w  .  j  ava2s  . c om*/

    return result;
}

From source file:rashjz.info.com.az.util.AuthoritiesConverter.java

public static Collection<GrantedAuthority> getAuthorities(Set set) {
    //make everyone ROLE_USER
    Collection<GrantedAuthority> grantedAuthorities = new ArrayList<GrantedAuthority>();
    if (set == null) {
        GrantedAuthority grantedAuthority = new GrantedAuthority() {
            //anonymous inner type
            public String getAuthority() {
                return "ROLE_USER";
            }/*from   w  w w.  jav  a  2 s.  co m*/
        };
        grantedAuthorities.add(grantedAuthority);
        return grantedAuthorities;
    } else {
        for (Iterator<UserRoles> it = new HashSet<UserRoles>(set).iterator(); it.hasNext();) {
            UserRoles ur = it.next();
            GrantedAuthority grantedAuthority = new GrantedAuthority() {
                //anonymous inner type
                public String getAuthority() {
                    return "ROLE_USER";
                }
            };
            grantedAuthorities.add(grantedAuthority);
        }
        return grantedAuthorities;
    }
}