/*
 * Copyright 2004-2013 the Seasar Foundation and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.seasar.framework.util;

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

/**
 * {@link Enumeration}を {@link Iterator}にするためのアダブタです。
 * 
 * @author shot
 */
public class EnumerationIterator implements Iterator {

    private Enumeration enumeration = null;

    /**
     * {@link EnumerationIterator}を作成します。
     * 
     * @param e
     */
    public EnumerationIterator(final Enumeration e) {
        if (e == null) {
            throw new NullPointerException("Enumeration");
        }
        this.enumeration = e;
    }

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

    public boolean hasNext() {
        return enumeration.hasMoreElements();
    }

    public Object next() {
        return enumeration.nextElement();
    }

}
