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package com.jchanghong.core.collection;

import java.io.Serializable;
import java.util.Enumeration;
import java.util.Iterator;

/**
 * {@link Enumeration}对象转{@link Iterator}对象
 * @author Looly
 *
 * @param  元素类型
 * @since 4.1.1
 */
public class EnumerationIter implements Iterator, Iterable, Serializable{
	private static final long serialVersionUID = 1L;
	
	private final Enumeration e;
	
	/**
	 * 构造
	 * @param enumeration {@link Enumeration}对象
	 */
	public EnumerationIter(Enumeration enumeration) {
		this.e = enumeration;
	}

	@Override
	public boolean hasNext() {
		return e.hasMoreElements();
	}

	@Override
	public E next() {
		return e.nextElement();
	}

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

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

}