Wed, 23 Mar 2016 12:22:00 -0700
Added tag jdk8u102-b00 for changeset 120c1b8b4581
1 /*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * - Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * - Neither the name of Oracle nor the names of its
16 * contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
32 import javax.script.Bindings;
33 import javax.script.ScriptContext;
34 import javax.script.ScriptEngine;
35 import javax.script.ScriptEngineManager;
36 import javax.script.SimpleScriptContext;
38 @SuppressWarnings("javadoc")
39 public class MultiScopes {
40 public static void main(final String[] args) throws Exception {
41 final ScriptEngineManager manager = new ScriptEngineManager();
42 final ScriptEngine engine = manager.getEngineByName("nashorn");
44 engine.put("x", "hello");
45 // print global variable "x"
46 engine.eval("print(x);");
47 // the above line prints "hello"
49 // Now, pass a different script context
50 final ScriptContext newContext = new SimpleScriptContext();
51 newContext.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE);
52 final Bindings engineScope = newContext.getBindings(ScriptContext.ENGINE_SCOPE);
54 // add new variable "x" to the new engineScope
55 engineScope.put("x", "world");
57 // execute the same script - but this time pass a different script context
58 engine.eval("print(x);", newContext);
59 // the above line prints "world"
60 }
61 }