/* * Copyright 2011 Uwe Krueger. * * 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.mandelsoft.util; import java.util.Iterator; /** * * @author Uwe Krüger */ public class SingleIterator<T> implements Iterator<T> { private T element; public SingleIterator(T element) { this.element=element; } public boolean hasNext() { return element!=null; } public T next() { try { return element; } finally { element=null; } } public void remove() { throw new UnsupportedOperationException("Not supported yet."); } }