#// Usage: jjs -scripting foreignobject.js+
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+
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/*+
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 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.+
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 * +
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 * Redistribution and use in source and binary forms, with or without+
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 * modification, are permitted provided that the following conditions+
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 * are met:+
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 * +
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 *   - Redistributions of source code must retain the above copyright+
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 *     notice, this list of conditions and the following disclaimer.+
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 * +
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 *   - Redistributions in binary form must reproduce the above copyright+
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 *     notice, this list of conditions and the following disclaimer in the+
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 *     documentation and/or other materials provided with the distribution.+
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 * +
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 *   - Neither the name of Oracle nor the names of its+
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 *     contributors may be used to endorse or promote products derived+
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 *     from this software without specific prior written permission.+
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 * +
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS+
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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,+
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR+
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR+
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,+
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,+
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR+
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF+
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING+
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS+
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.+
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 */+
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+
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// cross nashorn engine scripting+
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// access script objects from other engines in natural syntax+
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+
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var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager");+
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// create manager+
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var manager = new ScriptEngineManager();+
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// create engine+
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var engine = manager.getEngineByName("js");+
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+
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// eval code!+
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engine.eval(<<CODE+
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    var obj = {+
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        foo: 42,+
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        func: function() {+
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            print("func: " + this.foo);+
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        }+
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    };+
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CODE);+
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+
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// Nashorn engine returns script objects as instance of+
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// the class jdk.nashorn.api.scripting.ScriptObjectMirror+
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// But nashorn's dynalink linker can treat these objects+
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// specially to support natural script syntax to access..+
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// In Java code, you need to use ScriptObjectMirror's +
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// methods though. Once again, script world is simpler :-)+
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+
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var foreignObj = engine.get("obj");+
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// access properties, functions of it+
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// with natural syntax+
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print(foreignObj.foo);+
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foreignObj.func();+
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print(typeof foreignObj.func);+
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+
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// access engine's global+
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var foreignGlobal = engine.eval("this");+
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// create objects in engine's world from here!+
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print(new foreignGlobal.Object());+
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print(new foreignGlobal.Date());+
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