Mercurial > jdk8-mips64-public > nashorn / file comparison
comparison: samples/print_symlinks.js
samples/print_symlinks.js
- changeset 1524
- 3f4320a01539
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| 1523:b129e9cbab87 | 1524:3f4320a01539 |
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| 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 // Print all symbolic links in user's home directory | |
| 33 | |
| 34 // JavaImporter and "with" to simulate "import" statements in Java. | |
| 35 // See https://wiki.openjdk.java.net/display/Nashorn/Nashorn+extensions | |
| 36 | |
| 37 with (new JavaImporter(java.nio.file, java.lang)) { | |
| 38 | |
| 39 var userDir = System.getProperty("user.dir") | |
| 40 var home = FileSystems.default.getPath(userDir); | |
| 41 | |
| 42 // JS functions can be passed where Java lambdas are required. | |
| 43 // Also, using "Expression closure" extension here. | |
| 44 // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Expression_Closures | |
| 45 | |
| 46 Files.walk(home). | |
| 47 filter(function(p) Files.isSymbolicLink(p)). | |
| 48 forEach(function(p) | |
| 49 print(p, '->', Files.readSymbolicLink(p))); | |
| 50 } |
