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}