utils/src/com/cloud/utils/EnumerationImpl.java

// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.utils;

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

/**
 * 
 * Why the heck didn't Iterator extend from Enumeration, I will probably never know. Tell me Lee Boyton!
 **/
public class EnumerationImpl<T> implements Enumeration<T>, Iterator<T> {
    Iterator<T> _it;

    // Can't use this.
    protected EnumerationImpl() {
    }

    public EnumerationImpl(Iterator<T> it) {
        _it = it;
    }

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

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

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

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

    @Override
    public void remove() {
        throw new UnsupportedOperationException("Enumerations do not support remove operation");
    }
}