Tue, 15 Mar 2016 13:34:02 -0700
Added tag jdk8u75-b12 for changeset e35e96663a90
1 #// Usage: jjs -scripting foreignobject.js
3 /*
4 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * - Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * - Neither the name of Oracle nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
22 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
34 // cross nashorn engine scripting
35 // access script objects from other engines in natural syntax
37 var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager");
38 // create manager
39 var manager = new ScriptEngineManager();
40 // create engine
41 var engine = manager.getEngineByName("js");
43 // eval code!
44 engine.eval(<<CODE
45 var obj = {
46 foo: 42,
47 func: function() {
48 print("func: " + this.foo);
49 }
50 };
51 CODE);
53 // Nashorn engine returns script objects as instance of
54 // the class jdk.nashorn.api.scripting.ScriptObjectMirror
55 // But nashorn's dynalink linker can treat these objects
56 // specially to support natural script syntax to access..
57 // In Java code, you need to use ScriptObjectMirror's
58 // methods though. Once again, script world is simpler :-)
60 var foreignObj = engine.get("obj");
61 // access properties, functions of it
62 // with natural syntax
63 print(foreignObj.foo);
64 foreignObj.func();
65 print(typeof foreignObj.func);
67 // access engine's global
68 var foreignGlobal = engine.eval("this");
69 // create objects in engine's world from here!
70 print(new foreignGlobal.Object());
71 print(new foreignGlobal.Date());