/*
* Copyright (C) 2011 Citrix Systems, Inc. All rights reserved.
*
* 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 com.cloud.bridge.util;
import java.util.Enumeration;
import java.util.Iterator;
/**
* @author Kelven Yang
*/
public class IteratorHelper {
public static <T> Iterable<T> enumerationAsIterable(final Enumeration<T> e) {
return new Iterable<T> () {
public Iterator<T> iterator() {
return new Iterator<T>() {
public boolean hasNext() {
return e.hasMoreElements();
}
public T next() {
return e.nextElement();
}
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
}
public static <T> Enumeration<T> iteratorAsEnumeration(final Iterator<T> it) {
return new Enumeration<T>() {
public boolean hasMoreElements() {
return it.hasNext();
}
public T nextElement() {
return it.next();
}
};
}
}