/**
 * Created on 2006-12-13
 */

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

/**
 * Iterator fuer eine SimpleList
 * 
 * @author Frank Blendinger (fb@intoxicatedmind.net)
 * 
 * @param <T> Typarameter
 *
 */
public final class SimpleListIterator<T> implements Iterator<T> {

	private SimpleListElem<T> cur;

	public SimpleListIterator(SimpleListElem<T> first) {
		this.cur = first;
	}

	public boolean hasNext() {
		return (cur != null);
	}

	public T next() {
		if (cur == null) {
			throw new NoSuchElementException("no more elements");
		}
		T ret = cur.getData();
		cur = cur.getNext();
		return ret;
	}

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