1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * - Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * - Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * - Neither the name of Oracle nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Simple unzip tool using #nashorn and #java 34 * zip fs file system interface. 35 */ 36 37 if (arguments.length == 0) { 38 print("Usage: jjs zipfs.js -- <.zip/.jar file> [out dir]"); 39 exit(1); 40 } 41 42 var File = Java.type("java.io.File"); 43 // output directory where zip is extracted 44 var outDir = arguments[1]; 45 if (!outDir) { 46 outDir = "."; 47 } else { 48 if (! new File(outDir).isDirectory()) { 49 print(outDir + " directory does not exist!"); 50 exit(1); 51 } 52 } 53 54 var Files = Java.type("java.nio.file.Files"); 55 var FileSystems = Java.type("java.nio.file.FileSystems"); 56 var Paths = Java.type("java.nio.file.Paths"); 57 58 var zipfile = Paths.get(arguments[0]) 59 var fs = FileSystems.newFileSystem(zipfile, null); 60 var root = fs.rootDirectories[0]; 61 62 // walk root and handle each Path 63 Files.walk(root).forEach( 64 function(p) { 65 var outPath = outDir + 66 p.toString().replace('/', File.separatorChar); 67 print(outPath); 68 if (Files.isDirectory(p)) { 69 // create directories as needed 70 new File(outPath).mkdirs(); 71 } else { 72 // copy a 'file' resource 73 Files.copy(p, new File(outPath).toPath()); 74 } 75 } 76 ); 77 78 // done 79 fs.close();