cloudstack/utils/src/com/cloud/utils/EnumerationImpl.java at 4.2 · kwanggithub/cloudstack · GitHub

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// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements. See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership. The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// 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 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");

}

cloudstack/utils/src/com/cloud/utils/EnumerationImpl.java at 4.2 · kwanggithub/cloudstack · GitHub

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