001/*
002 * Copyright 2012-2017 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;
018
019import org.springframework.boot.loader.archive.Archive;
020
021/**
022 * {@link Launcher} for JAR based archives. This launcher assumes that dependency jars are
023 * included inside a {@code /BOOT-INF/lib} directory and that application classes are
024 * included inside a {@code /BOOT-INF/classes} directory.
025 *
026 * @author Phillip Webb
027 * @author Andy Wilkinson
028 */
029public class JarLauncher extends ExecutableArchiveLauncher {
030
031        static final String BOOT_INF_CLASSES = "BOOT-INF/classes/";
032
033        static final String BOOT_INF_LIB = "BOOT-INF/lib/";
034
035        public JarLauncher() {
036        }
037
038        protected JarLauncher(Archive archive) {
039                super(archive);
040        }
041
042        @Override
043        protected boolean isNestedArchive(Archive.Entry entry) {
044                if (entry.isDirectory()) {
045                        return entry.getName().equals(BOOT_INF_CLASSES);
046                }
047                return entry.getName().startsWith(BOOT_INF_LIB);
048        }
049
050        public static void main(String[] args) throws Exception {
051                new JarLauncher().launch(args);
052        }
053
054}