ArrayIterator.java

/*
 * Vitry, copyright (C) Hans Hoglund 2011
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * See COPYING.txt for details.
 */
package vitry.runtime.util;

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


public class ArrayIterator<T> implements Iterator<T>
{
    private final T[] array;

    private int next;

    public ArrayIterator(T[] array) {
        this(array, 0);
    }

    public ArrayIterator(T[] array, int offset) {
        this.array = array;
        this.next = offset;
    }

    public boolean hasNext()
    {
        return next < array.length;
    }

    public T next()
    {
        try
        {
            return array[next++];
        } catch (IndexOutOfBoundsException e)
        {
            throw new NoSuchElementException();
        }
    }

    public void remove()
    {
        throw new UnsupportedOperationException("Can not remove from array");
    }
}