001/*
002 * Copyright 2012-2015 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.loader.tools;
018
019import java.io.IOException;
020
021/**
022 * Encapsulates information about libraries that may be packed into the archive.
023 *
024 * @author Phillip Webb
025 */
026public interface Libraries {
027
028        /**
029         * Represents no libraries.
030         */
031        Libraries NONE = new Libraries() {
032                @Override
033                public void doWithLibraries(LibraryCallback callback) throws IOException {
034                }
035        };
036
037        /**
038         * Iterate all relevant libraries.
039         * @param callback a callback for each relevant library.
040         * @throws IOException if the operation fails
041         */
042        void doWithLibraries(LibraryCallback callback) throws IOException;
043
044}