IteratorEnumeration.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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 io.undertow.servlet.util;

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

/**
 * Wrapper to convert an iterator to an enumeration
 *
 * @author Stuart Douglas
 */
public class IteratorEnumeration<T> implements Enumeration<T> {

    private final Iterator<T> iterator;

    public IteratorEnumeration(final Iterator<T> iterator) {
        this.iterator = iterator;
    }

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

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