    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017
    018package org.apache.commons.jexl3.internal.introspection;
    019
    020
    021import java.util.Iterator;
    022import java.util.Enumeration;
    023
    024/**
    025 * An Iterator wrapper for an Enumeration.
    026 * @param <T> the type of object this iterator returns
    027 * @since 1.0
    028 */
    029public class EnumerationIterator<T> implements Iterator<T> {
    030    /**
    031     * The enumeration to iterate over.
    032     */
    033    private final Enumeration<T> enumeration;
    034
    035    /**
    036     * Creates a new iteratorwrapper instance for the specified
    037     * Enumeration.
    038     *
    039     * @param enumer  The Enumeration to wrap.
    040     */
    041    public EnumerationIterator(final Enumeration<T> enumer) {
    042        enumeration = enumer;
    043    }
    044
    045    @Override
    046    public T next() {
    047        return enumeration.nextElement();
    048    }
    049
    050    @Override
    051    public boolean hasNext() {
    052        return enumeration.hasMoreElements();
    053    }
    054
    055    @Override
    056    public void remove() {
    057        // not implemented
    058    }
    059}