Mercurial > jdk8-mips64-public > nashorn / file revision

 /*

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  *     notice, this list of conditions and the following disclaimer.

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  *     from this software without specific prior written permission.

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  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

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  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

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 import javax.script.Bindings;

 import javax.script.ScriptContext;

 import javax.script.ScriptEngine;

 import javax.script.ScriptEngineManager;

 import javax.script.SimpleScriptContext;

 @SuppressWarnings("javadoc")

 public class MultiScopes {

     public static void main(final String[] args) throws Exception {

         final ScriptEngineManager manager = new ScriptEngineManager();

         final ScriptEngine engine = manager.getEngineByName("nashorn");

         engine.put("x", "hello");

         // print global variable "x"

         engine.eval("print(x);");

         // the above line prints "hello"

         // Now, pass a different script context

         final ScriptContext newContext = new SimpleScriptContext();

         newContext.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE);

         final Bindings engineScope = newContext.getBindings(ScriptContext.ENGINE_SCOPE);

         // add new variable "x" to the new engineScope

         engineScope.put("x", "world");

         // execute the same script - but this time pass a different script context

         engine.eval("print(x);", newContext);

         // the above line prints "world"

     }

 }