com.fasterxml.jackson.databind.util.ArrayIterator.java Source code

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Here is the source code for com.fasterxml.jackson.databind.util.ArrayIterator.java

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package com.fasterxml.jackson.databind.util;

import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * Iterator implementation used to efficiently expose contents of an
 * Array as read-only iterator.
 */
public class ArrayIterator<T> implements Iterator<T>, Iterable<T> {
    private final T[] _a;

    private int _index;

    public ArrayIterator(T[] a) {
        _a = a;
        _index = 0;
    }

    @Override
    public boolean hasNext() {
        return _index < _a.length;
    }

    @Override
    public T next() {
        if (_index >= _a.length) {
            throw new NoSuchElementException();
        }
        return _a[_index++];
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException();
    }

    @Override
    public Iterator<T> iterator() {
        return this;
    }
}