Mercurial > jdk8-mips64-public > nashorn / file comparison
comparison: samples/unzip.js
samples/unzip.js
- changeset 1372
- 644d9b9c97ed
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| 1371:a8c536d1d3e0 | 1372:644d9b9c97ed |
|---|---|
| 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(); |
