| /* |
| * 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 with |
| * the License. You may obtain a copy of the License at |
| * |
| * https://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 org.apache.tools.ant.taskdefs.optional.depend; |
| |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| |
| /** |
| * Iterator interface for iterating over a set of class files |
| * |
| */ |
| public interface ClassFileIterator extends Iterable<ClassFile> { |
| |
| /** |
| * Get the next class file in the iteration |
| * |
| * @return the next class file in the iteration |
| */ |
| ClassFile getNextClassFile(); |
| |
| @Override |
| default Iterator<ClassFile> iterator() { |
| |
| return new Iterator<ClassFile>() { |
| ClassFile next; |
| { |
| next = getNextClassFile(); |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return next != null; |
| } |
| |
| @Override |
| public ClassFile next() { |
| if (next == null) { |
| throw new NoSuchElementException(); |
| } |
| try { |
| return next; |
| } finally { |
| next = getNextClassFile(); |
| } |
| } |
| |
| }; |
| } |
| } |