aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  *
aoqi@0:  * Redistribution and use in source and binary forms, with or without
aoqi@0:  * modification, are permitted provided that the following conditions
aoqi@0:  * are met:
aoqi@0:  *
aoqi@0:  *   - Redistributions of source code must retain the above copyright
aoqi@0:  *     notice, this list of conditions and the following disclaimer.
aoqi@0:  *
aoqi@0:  *   - Redistributions in binary form must reproduce the above copyright
aoqi@0:  *     notice, this list of conditions and the following disclaimer in the
aoqi@0:  *     documentation and/or other materials provided with the distribution.
aoqi@0:  *
aoqi@0:  *   - Neither the name of Oracle nor the names of its
aoqi@0:  *     contributors may be used to endorse or promote products derived
aoqi@0:  *     from this software without specific prior written permission.
aoqi@0:  *
aoqi@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
aoqi@0:  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
aoqi@0:  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
aoqi@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
aoqi@0:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
aoqi@0:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
aoqi@0:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
aoqi@0:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
aoqi@0:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
aoqi@0:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
aoqi@0:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
aoqi@0:  */
aoqi@0: 
lagergren@1082: import javax.script.Invocable;
lagergren@1082: import javax.script.ScriptEngine;
lagergren@1082: import javax.script.ScriptEngineManager;
aoqi@0: 
lagergren@1082: @SuppressWarnings("javadoc")
aoqi@0: public class InvokeScriptMethod {
lagergren@1082:     public static void main(final String[] args) throws Exception {
lagergren@1082:         final ScriptEngineManager manager = new ScriptEngineManager();
lagergren@1082:         final ScriptEngine engine = manager.getEngineByName("nashorn");
aoqi@0: 
aoqi@0:         // JavaScript code in a String. This code defines a script object 'obj'
aoqi@0:         // with one method called 'hello'.
lagergren@1082:         final String script = "var obj = new Object(); obj.hello = function(name) { print('Hello, ' + name); }";
aoqi@0:         // evaluate script
aoqi@0:         engine.eval(script);
aoqi@0: 
aoqi@0:         // javax.script.Invocable is an optional interface.
aoqi@0:         // Check whether your script engine implements or not!
aoqi@0:         // Note that the JavaScript engine implements Invocable interface.
lagergren@1082:         final Invocable inv = (Invocable) engine;
aoqi@0: 
aoqi@0:         // get script object on which we want to call the method
lagergren@1082:         final Object obj = engine.get("obj");
aoqi@0: 
aoqi@0:         // invoke the method named "hello" on the script object "obj"
aoqi@0:         inv.invokeMethod(obj, "hello", "Script Method !!" );
aoqi@0:     }
aoqi@0: }