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package spring.turbo.util.collection;

import spring.turbo.util.Asserts;

import java.util.Enumeration;
import java.util.Iterator;

/**
 * Iterator包装成Enumeration
 *
 * @param  泛型
 * @author 应卓
 * @see EnumerationIterator
 * @since 1.2.2
 */
public class IteratorEnumeration implements Enumeration {

    private final Iterator inner;

    public IteratorEnumeration(Iterator inner) {
        Asserts.notNull(inner);
        this.inner = inner;
    }

    public static  IteratorEnumeration newInstance(Iterator inner) {
        return new IteratorEnumeration<>(inner);
    }

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

    @Override
    public T nextElement() {
        return inner.next();
    }

}