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:Main.java

/** Copy elements from src to dest.
 * //from   w w  w .  j  av a  2s  . com
 * @param src - Collection containing data to be copied.
 * @param dest - Collection to have the data copied to.
 * @param clearDestination - whether to clear all contents from destination prior to copying.
 */
public static <T> void copyElements(Collection<? extends T> src, Collection<? super T> dest,
        boolean clearDestination) {
    if (clearDestination) {
        dest.clear();
    }
    for (T t : src) {
        dest.add(t);
    }
}

From source file:Main.java

public static <T extends Component> void addChildren(Class<T> clazz, Collection<? super T> dst,
        Container parent) {//from w  w  w .j  av a2 s . c o  m
    for (Component c : parent.getComponents()) {
        if (clazz.isInstance(c))
            dst.add(clazz.cast(c));
    }
}

From source file:Main.java

/**
 * /*from  w w w  . j  a v a  2 s  .  com*/
 * @param value
 * @return int[]
 */
public static int[] toIntArray(final String value) {
    if (value == null) {
        return new int[] {};
    }

    final String strippedValue = value.replace(ARRAY_OPEN_TAG, EMPTY_STRING).replace(ARRAY_CLOSE_TAG,
            EMPTY_STRING);
    final StringTokenizer tokenizer = new StringTokenizer(strippedValue, ELEMENT_SEPARATOR);
    final Collection<Integer> intCollection = new ArrayList<>();

    while (tokenizer.hasMoreTokens()) {
        intCollection.add(Integer.valueOf(tokenizer.nextToken().trim()));
    }

    return toIntArray(intCollection);
}

From source file:Main.java

/**
 * /* w  w w.  ja va 2  s  . c  o m*/
 * @param value
 * @return boolean[]
 */
public static boolean[] toBooleanArray(final String value) {
    if (value == null) {
        return new boolean[] {};
    }

    final String strippedValue = value.replace(ARRAY_OPEN_TAG, EMPTY_STRING).replace(ARRAY_CLOSE_TAG,
            EMPTY_STRING);
    final StringTokenizer tokenizer = new StringTokenizer(strippedValue, ELEMENT_SEPARATOR);
    final Collection<Boolean> intCollection = new ArrayList<>();

    while (tokenizer.hasMoreTokens()) {
        intCollection.add(Boolean.valueOf(tokenizer.nextToken().trim()));
    }

    return toBooleanArray(intCollection);
}

From source file:Main.java

public static <T> Collection<T> defaultCollection(Collection<T> col, int size, T defaultValue) {
    try {// w  ww.j  a v a  2s  .c  o m
        col.clear();
    } catch (Exception e) {
    }
    for (int i = 0; i < size; i++) {
        col.add(defaultValue);
    }
    return col;
}

From source file:org.jamwiki.authentication.JAMWikiAuthenticationConfiguration.java

/**
 * The DataHandler interface returns Role objects, but the AnsiDataHandler returns Role
 * so cast the results appropriately.// w ww. ja  v a  2 s. c o m
 */
private static Collection<GrantedAuthority> roleToGrantedAuthority(List<Role> roles) {
    if (roles == null) {
        return null;
    }
    Collection<GrantedAuthority> results = new ArrayList<GrantedAuthority>();
    for (Role role : roles) {
        results.add(new SimpleGrantedAuthority(role.getAuthority()));
    }
    return results;
}

From source file:Main.java

/**
 * Adds all elements to the {@link Collection}. 
 * @param <T> The type of the {@link Collection}s elements.
 * @param collection The {@link Collection} to add to.
 * @param elementsToAdd The elements to add.
 *//*w  ww  . j  av  a  2 s .c  om*/
public static <T> void addAll(Collection<T> collection, Iterable<T> iterable) {
    if (collection != null && iterable != null) {
        for (T toAdd : iterable) {
            collection.add(toAdd);
        }
    }
}

From source file:Main.java

public static <T> Collection<Collection<T>> split(Collection<T> coll, int batchSize) {
    Collection<Collection<T>> batches = new ArrayList<>(batchSize);
    int batchCount = coll.size() / batchSize;
    for (int i = 0; i < batchCount; i++) {
        batches.add(new ArrayList<T>());
    }// www .j av  a2s .c  o  m

    int index = 0;

    for (T t : coll) {
        ((ArrayList<Collection<T>>) batches).get(index).add(t);
        index = (index + 1) % batchCount;
    }

    return batches;
}

From source file:Main.java

/**
 * Inserts into one collection all elements of another collection not
 * contained in that collection.//from  www. j a v  a2 s  .  co  m
 * <p>
 * Uses {@code Collection#contains(java.lang.Object)} to compare elements.
 *
 * @param <T>    the collection's element type
 * @param src    source collection to get elements from
 * @param target target collection to put elements into
 */
public static <T> void addNotContainedElements(Collection<? extends T> src, Collection<? super T> target) {
    if (src == target) {
        return;
    }

    for (T t : src) {
        if (!target.contains(t)) {
            target.add(t);
        }
    }
}

From source file:Main.java

private static void getAllJComponents(Container container, Collection<JComponent> collection) {
    if (container instanceof JComponent) {
        JComponent c = (JComponent) container;
        collection.add(c);
    }//from  www  . ja va  2s  .c om

    Component[] children = container.getComponents();
    if (children != null) {
        for (int i = 0; i < children.length; i++) {
            Component c = children[i];
            if (c instanceof Container) {
                getAllJComponents((Container) c, collection);
            }
        }
    }
}