1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/docs/source/InvokeScriptMethod.java Wed Apr 27 01:36:41 2016 +0800
1.3 @@ -0,0 +1,56 @@
1.4 +/*
1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + *
1.7 + * Redistribution and use in source and binary forms, with or without
1.8 + * modification, are permitted provided that the following conditions
1.9 + * are met:
1.10 + *
1.11 + * - Redistributions of source code must retain the above copyright
1.12 + * notice, this list of conditions and the following disclaimer.
1.13 + *
1.14 + * - Redistributions in binary form must reproduce the above copyright
1.15 + * notice, this list of conditions and the following disclaimer in the
1.16 + * documentation and/or other materials provided with the distribution.
1.17 + *
1.18 + * - Neither the name of Oracle nor the names of its
1.19 + * contributors may be used to endorse or promote products derived
1.20 + * from this software without specific prior written permission.
1.21 + *
1.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
1.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
1.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
1.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
1.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
1.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
1.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.33 + */
1.34 +
1.35 +import javax.script.*;
1.36 +
1.37 +public class InvokeScriptMethod {
1.38 + public static void main(String[] args) throws Exception {
1.39 + ScriptEngineManager manager = new ScriptEngineManager();
1.40 + ScriptEngine engine = manager.getEngineByName("nashorn");
1.41 +
1.42 + // JavaScript code in a String. This code defines a script object 'obj'
1.43 + // with one method called 'hello'.
1.44 + String script = "var obj = new Object(); obj.hello = function(name) { print('Hello, ' + name); }";
1.45 + // evaluate script
1.46 + engine.eval(script);
1.47 +
1.48 + // javax.script.Invocable is an optional interface.
1.49 + // Check whether your script engine implements or not!
1.50 + // Note that the JavaScript engine implements Invocable interface.
1.51 + Invocable inv = (Invocable) engine;
1.52 +
1.53 + // get script object on which we want to call the method
1.54 + Object obj = engine.get("obj");
1.55 +
1.56 + // invoke the method named "hello" on the script object "obj"
1.57 + inv.invokeMethod(obj, "hello", "Script Method !!" );
1.58 + }
1.59 +}
