Mercurial > jdk8-mips64-public > nashorn / annotate
samples/engine/callmethod.js@d0fba38a0705 (annotated)
samples/engine/callmethod.js
Tue, 22 Mar 2016 21:31:52 -0700
- author
- asaha
- date
- Tue, 22 Mar 2016 21:31:52 -0700
- changeset 1810
- d0fba38a0705
- parent 962
- ac62e33a99b0
- permissions
- -rw-r--r--
Added tag jdk8u92-b13 for changeset e2294411edbd
| aoqi@0 | 1 | #// Usage: jjs -scripting callmethod.js |
| aoqi@0 | 2 | |
| aoqi@0 | 3 | /* |
| aoqi@0 | 4 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| attila@962 | 5 | * |
| aoqi@0 | 6 | * Redistribution and use in source and binary forms, with or without |
| aoqi@0 | 7 | * modification, are permitted provided that the following conditions |
| aoqi@0 | 8 | * are met: |
| attila@962 | 9 | * |
| aoqi@0 | 10 | * - Redistributions of source code must retain the above copyright |
| aoqi@0 | 11 | * notice, this list of conditions and the following disclaimer. |
| attila@962 | 12 | * |
| aoqi@0 | 13 | * - Redistributions in binary form must reproduce the above copyright |
| aoqi@0 | 14 | * notice, this list of conditions and the following disclaimer in the |
| aoqi@0 | 15 | * documentation and/or other materials provided with the distribution. |
| attila@962 | 16 | * |
| aoqi@0 | 17 | * - Neither the name of Oracle nor the names of its |
| aoqi@0 | 18 | * contributors may be used to endorse or promote products derived |
| aoqi@0 | 19 | * from this software without specific prior written permission. |
| attila@962 | 20 | * |
| aoqi@0 | 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| aoqi@0 | 22 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| aoqi@0 | 23 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| aoqi@0 | 24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| aoqi@0 | 25 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| aoqi@0 | 26 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| aoqi@0 | 27 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| aoqi@0 | 28 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| aoqi@0 | 29 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| aoqi@0 | 30 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| aoqi@0 | 31 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| aoqi@0 | 32 | */ |
| aoqi@0 | 33 | |
| aoqi@0 | 34 | // simple example demonstrating calling a script object |
| aoqi@0 | 35 | // method from script engine user code |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); |
| aoqi@0 | 38 | // create manager |
| aoqi@0 | 39 | var manager = new ScriptEngineManager(); |
| aoqi@0 | 40 | // create engine |
| aoqi@0 | 41 | var engine = manager.getEngineByName("js"); |
| aoqi@0 | 42 | |
| aoqi@0 | 43 | // eval code - too many script escapes? |
| aoqi@0 | 44 | // use heredoc ! |
| aoqi@0 | 45 | engine.eval(<<CODE |
| aoqi@0 | 46 | var obj = { |
| aoqi@0 | 47 | func: function() { |
| aoqi@0 | 48 | print("I am func of " + this); |
| aoqi@0 | 49 | }, |
| aoqi@0 | 50 | |
| aoqi@0 | 51 | toString: function() { |
| aoqi@0 | 52 | return "Object 'obj'"; |
| aoqi@0 | 53 | } |
| aoqi@0 | 54 | }; |
| aoqi@0 | 55 | CODE); |
| aoqi@0 | 56 | |
| aoqi@0 | 57 | // invoke methods of an object in script world |
| attila@962 | 58 | // from javax.script.Invocable interface. But, hey, |
| aoqi@0 | 59 | // calling code is JavaScript and don't worry about types :) |
| aoqi@0 | 60 | |
| aoqi@0 | 61 | // get that script object on which to call a method |
| aoqi@0 | 62 | var scriptObj = engine.get("obj"); |
| aoqi@0 | 63 | // call 'func' method on object 'obj' |
| aoqi@0 | 64 | engine.invokeMethod(scriptObj, "func"); |
