jetbrick.collection.iterator.EnumerationIterator Maven / Gradle / Ivy

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/**
 * Copyright 2013-2016 Guoqiang Chen, Shanghai, China. All rights reserved.
 *
 *   Author: Guoqiang Chen
 *    Email: [email protected]
 *   WebURL: https://github.com/subchen
 *
 * 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 jetbrick.collection.iterator;

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

public class EnumerationIterator implements Iterator {
    private final Enumeration enumeration;
    private T last;

    public EnumerationIterator(Enumeration enumeration) {
        this.enumeration = enumeration;
    }

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

    @Override
    public T next() {
        last = enumeration.nextElement();
        return last;
    }

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

    public Enumeration getEnumeration() {
        return enumeration;
    }
}