1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * Usage: jjs jrtls.js 28 * 29 * Recursively list the content of / directory of the jrt fs. 30 * 31 * @implNote This script needs to maintain JDK 8 source compatibility. 32 * 33 * It is used internally in the JDK to implement jimage/jrtfs access, 34 * but also compiled and delivered as part of the jrtfs.jar to support access 35 * to the jimage file provided by the shipped JDK by tools running on JDK 8. 36 */ 37 */ 38 39 // classes used 40 var Files = Java.type("java.nio.file.Files"); 41 var FileSystems = Java.type("java.nio.file.FileSystems"); 42 var URI = Java.type("java.net.URI"); 43 44 var fs = FileSystems.getFileSystem(URI.create("jrt:/")); 45 var root = fs.getPath('/'); 46 Files.walk(root).forEach(print);