Examples of org.apache.commons.collections4.iterators.PermutationIterator

Package org.apache.commons.collections4.iterators

Examples of org.apache.commons.collections4.iterators.PermutationIterator

org.apache.commons.collections4.iterators.NodeListIterator
This iterator creates permutations of an input collection, using the Steinhaus-Johnson-Trotter algorithm (also called plain changes).
The iterator will return exactly n! permutations of the input collection. The {@code remove()} operation is not supported, and will throw an{@code UnsupportedOperationException}.
NOTE: in case an empty collection is provided, the iterator will return exactly one empty list as result, as 0! = 1. @param < E> the type of the objects being permuted @version $Id: PermutationIterator.java 1477802 2013-04-30 20:01:28Z tn $ @since 4.0

     */
    public static NodeListIterator nodeListIterator(final Node node) {
        if (node == null) {
            throw new NullPointerException("Node must not be null");
        }
        return new NodeListIterator(node);
    }

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        }
        if (obj instanceof Map) {
            return ((Map<?, ?>) obj).values().iterator();
        }
        if (obj instanceof NodeList) {
            return new NodeListIterator((NodeList) obj);
        }
        if (obj instanceof Node) {
            return new NodeListIterator((Node) obj);
        }
        if (obj instanceof Dictionary) {
            return new EnumerationIterator<Object>(((Dictionary<?, ?>) obj).elements());
        } else if (obj.getClass().isArray()) {
            return new ArrayIterator<Object>(obj);

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     */
    public static NodeListIterator nodeListIterator(final NodeList nodeList) {
        if (nodeList == null) {
            throw new NullPointerException("NodeList must not be null");
        }
        return new NodeListIterator(nodeList);
    }

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     */
    public static NodeListIterator nodeListIterator(final Node node) {
        if (node == null) {
            throw new NullPointerException("Node must not be null");
        }
        return new NodeListIterator(node);
    }

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        }
        if (obj instanceof Map) {
            return ((Map<?, ?>) obj).values().iterator();
        }
        if (obj instanceof NodeList) {
            return new NodeListIterator((NodeList) obj);
        }
        if (obj instanceof Node) {
            return new NodeListIterator((Node) obj);
        }
        if (obj instanceof Dictionary) {
            return new EnumerationIterator<Object>(((Dictionary<?, ?>) obj).elements());
        } else if (obj.getClass().isArray()) {
            return new ArrayIterator<Object>(obj);

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     */
    public static NodeListIterator nodeListIterator(final NodeList nodeList) {
        if (nodeList == null) {
            throw new NullPointerException("NodeList must not be null");
        }
        return new NodeListIterator(nodeList);
    }

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     */
    public static NodeListIterator nodeListIterator(final Node node) {
        if (node == null) {
            throw new NullPointerException("Node must not be null");
        }
        return new NodeListIterator(node);
    }

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        }
        if (obj instanceof Map) {
            return ((Map<?, ?>) obj).values().iterator();
        }
        if (obj instanceof NodeList) {
            return new NodeListIterator((NodeList) obj);
        }
        if (obj instanceof Node) {
            return new NodeListIterator((Node) obj);
        }
        if (obj instanceof Dictionary) {
            return new EnumerationIterator<Object>(((Dictionary<?, ?>) obj).elements());
        } else if (obj.getClass().isArray()) {
            return new ArrayIterator<Object>(obj);

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     */
    public static NodeListIterator nodeListIterator(final NodeList nodeList) {
        if (nodeList == null) {
            throw new NullPointerException("NodeList must not be null");
        }
        return new NodeListIterator(nodeList);
    }

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     */
    public static NodeListIterator nodeListIterator(final Node node) {
        if (node == null) {
            throw new NullPointerException("Node must not be null");
        }
        return new NodeListIterator(node);
    }

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