Mercurial > jdk8-mips64-public > nashorn / annotate
samples/check_nashorn.js@d0fba38a0705 (annotated)
samples/check_nashorn.js
Tue, 22 Mar 2016 21:31:52 -0700
- author
- asaha
- date
- Tue, 22 Mar 2016 21:31:52 -0700
- changeset 1810
- d0fba38a0705
- parent 1524
- 3f4320a01539
- permissions
- -rw-r--r--
Added tag jdk8u92-b13 for changeset e2294411edbd
| sundar@1524 | 1 | /* |
| sundar@1524 | 2 | * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| sundar@1524 | 3 | * |
| sundar@1524 | 4 | * Redistribution and use in source and binary forms, with or without |
| sundar@1524 | 5 | * modification, are permitted provided that the following conditions |
| sundar@1524 | 6 | * are met: |
| sundar@1524 | 7 | * |
| sundar@1524 | 8 | * - Redistributions of source code must retain the above copyright |
| sundar@1524 | 9 | * notice, this list of conditions and the following disclaimer. |
| sundar@1524 | 10 | * |
| sundar@1524 | 11 | * - Redistributions in binary form must reproduce the above copyright |
| sundar@1524 | 12 | * notice, this list of conditions and the following disclaimer in the |
| sundar@1524 | 13 | * documentation and/or other materials provided with the distribution. |
| sundar@1524 | 14 | * |
| sundar@1524 | 15 | * - Neither the name of Oracle nor the names of its |
| sundar@1524 | 16 | * contributors may be used to endorse or promote products derived |
| sundar@1524 | 17 | * from this software without specific prior written permission. |
| sundar@1524 | 18 | * |
| sundar@1524 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| sundar@1524 | 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| sundar@1524 | 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| sundar@1524 | 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| sundar@1524 | 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| sundar@1524 | 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| sundar@1524 | 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| sundar@1524 | 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| sundar@1524 | 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| sundar@1524 | 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| sundar@1524 | 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| sundar@1524 | 30 | */ |
| sundar@1524 | 31 | |
| sundar@1524 | 32 | // check if script is being run using nashorn script engine |
| sundar@1524 | 33 | function isNashorn() { |
| sundar@1524 | 34 | try { |
| sundar@1524 | 35 | // "engine" variable is of type javax.script.ScriptEngine is defined |
| sundar@1524 | 36 | // by nashorn jsr-223 engine. Check the name of the engine from |
| sundar@1524 | 37 | // javax.script.ScriptEngineFactory associated |
| sundar@1524 | 38 | |
| sundar@1524 | 39 | return engine.factory.engineName.contains("Nashorn"); |
| sundar@1524 | 40 | } catch (e) { |
| sundar@1524 | 41 | // if engine or any of the properties are undefined |
| sundar@1524 | 42 | // then script is not being run using nashorn. |
| sundar@1524 | 43 | return false; |
| sundar@1524 | 44 | } |
| sundar@1524 | 45 | } |
