javax.script.ScriptEngine Java Examples
The following examples show how to use
javax.script.ScriptEngine.
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Example #1
Source File: ScriptAddedFunctions.java From hop with Apache License 2.0 | 6 votes |
public static String resolveIP( ScriptEngine actualContext, Bindings actualObject, Object[] ArgList, Object FunctionContext ) { String sRC = ""; if ( ArgList.length == 2 ) { try { InetAddress addr = InetAddress.getByName( (String) ArgList[ 0 ] ); if ( ( (String) ArgList[ 1 ] ).equals( "IP" ) ) { sRC = addr.getHostName(); } else { sRC = addr.getHostAddress(); } if ( sRC.equals( ArgList[ 0 ] ) ) { sRC = "-"; } } catch ( Exception e ) { sRC = "-"; } } else { throw new RuntimeException( "The function call resolveIP requires 2 arguments." ); } return sRC; }
Example #2
Source File: ScriptEngineTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
@Test public void currentGlobalMissingTest() throws Exception { final ScriptEngineManager manager = new ScriptEngineManager(); final ScriptEngine e = manager.getEngineByName("nashorn"); final Context ctx = new Context(); e.put("ctx", ctx); e.eval("var obj = { foo: function(str) { return str.toUpperCase() } }"); e.eval("ctx.set(obj)"); final Invocable inv = (Invocable)e; assertEquals("HELLO", inv.invokeMethod(ctx.get(), "foo", "hello")); // try object literal e.eval("ctx.set({ bar: function(str) { return str.toLowerCase() } })"); assertEquals("hello", inv.invokeMethod(ctx.get(), "bar", "HELLO")); // try array literal e.eval("var arr = [ 'hello', 'world' ]"); e.eval("ctx.set(arr)"); assertEquals("helloworld", inv.invokeMethod(ctx.get(), "join", "")); }
Example #3
Source File: InvocableTest.java From jdk8u_nashorn with GNU General Public License v2.0 | 6 votes |
@Test /** * Check that we can get interface out of a script object even after * switching to use different ScriptContext. */ public void getInterfaceDifferentContext() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); try { final Object obj = e.eval("({ run: function() { } })"); // change script context final ScriptContext ctxt = new SimpleScriptContext(); ctxt.setBindings(e.createBindings(), ScriptContext.ENGINE_SCOPE); e.setContext(ctxt); final Runnable r = ((Invocable) e).getInterface(obj, Runnable.class); r.run(); } catch (final Exception exp) { exp.printStackTrace(); fail(exp.getMessage()); } }
Example #4
Source File: ScriptEngineTest.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
@Test public void functionalInterfaceObjectTest() throws Exception { final ScriptEngineManager manager = new ScriptEngineManager(); final ScriptEngine e = manager.getEngineByName("nashorn"); final AtomicBoolean invoked = new AtomicBoolean(false); e.put("c", new Consumer<Object>() { @Override public void accept(Object t) { assertTrue(t instanceof ScriptObjectMirror); assertEquals(((ScriptObjectMirror)t).get("a"), "xyz"); invoked.set(true); } }); e.eval("var x = 'xy'; x += 'z';c({a:x})"); assertTrue(invoked.get()); }
Example #5
Source File: PluggableJSObjectTest.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
@Test // a factory JSObject public void factoryJSObjectTest() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); try { e.put("Factory", new Factory()); // check new on Factory assertEquals(e.eval("typeof Factory"), "function"); assertEquals(e.eval("typeof new Factory()"), "object"); assertEquals(e.eval("(new Factory()) instanceof java.util.Map"), Boolean.TRUE); } catch (final Exception exp) { exp.printStackTrace(); fail(exp.getMessage()); } }
Example #6
Source File: ScriptEngineSecurityTest.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
@Test public void fakeProxySubclassAccessCheckTest2() throws ScriptException { if (System.getSecurityManager() == null) { // pass vacuously return; } final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); e.put("name", ScriptEngineSecurityTest.class.getName()); e.put("cl", ScriptEngineSecurityTest.class.getClassLoader()); e.put("intfs", new Class[] { Runnable.class }); String getClass = "Java.type(name + '$FakeProxy').makeProxyClass(cl, intfs);"; // Should not be able to call static methods of Proxy via fake subclass try { Class c = (Class)e.eval(getClass); fail("should have thrown SecurityException"); } catch (final Exception exp) { if (! (exp instanceof SecurityException)) { fail("SecurityException expected, got " + exp); } } }
Example #7
Source File: ScriptObjectMirrorTest.java From jdk8u_nashorn with GNU General Public License v2.0 | 6 votes |
@Test public void indexPropertiesExternalBufferTest() throws ScriptException { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); final ScriptObjectMirror obj = (ScriptObjectMirror)e.eval("var obj = {}; obj"); final ByteBuffer buf = ByteBuffer.allocate(5); int i; for (i = 0; i < 5; i++) { buf.put(i, (byte)(i+10)); } obj.setIndexedPropertiesToExternalArrayData(buf); for (i = 0; i < 5; i++) { assertEquals((byte)(i+10), ((Number)e.eval("obj[" + i + "]")).byteValue()); } e.eval("for (i = 0; i < 5; i++) obj[i] = 0"); for (i = 0; i < 5; i++) { assertEquals((byte)0, ((Number)e.eval("obj[" + i + "]")).byteValue()); assertEquals((byte)0, buf.get(i)); } }
Example #8
Source File: InvokeScriptMethod.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
public static void main(final String[] args) throws Exception { final ScriptEngineManager manager = new ScriptEngineManager(); final ScriptEngine engine = manager.getEngineByName("nashorn"); // JavaScript code in a String. This code defines a script object 'obj' // with one method called 'hello'. final String script = "var obj = new Object(); obj.hello = function(name) { print('Hello, ' + name); }"; // evaluate script engine.eval(script); // javax.script.Invocable is an optional interface. // Check whether your script engine implements or not! // Note that the JavaScript engine implements Invocable interface. final Invocable inv = (Invocable) engine; // get script object on which we want to call the method final Object obj = engine.get("obj"); // invoke the method named "hello" on the script object "obj" inv.invokeMethod(obj, "hello", "Script Method !!" ); }
Example #9
Source File: JavaScriptExecutor.java From mdw with Apache License 2.0 | 6 votes |
public Object evaluate(String expression, Map<String, Object> bindings) throws ExecutionException { try { ScriptEngineManager factory = new ScriptEngineManager(); ScriptEngine engine = factory.getEngineByName("JavaScript"); if (engine == null) engine = factory.getEngineByName("Rhino JavaScript"); // ServiceMix for (String bindName : bindings.keySet()) { engine.put(bindName, bindings.get(bindName)); } return engine.eval(expression); } catch (ScriptException ex) { throw new ExecutionException("Error executing JavaScript: " + ex.getMessage(), ex); } }
Example #10
Source File: InvokeScriptMethod.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
public static void main(final String[] args) throws Exception { final ScriptEngineManager manager = new ScriptEngineManager(); final ScriptEngine engine = manager.getEngineByName("nashorn"); // JavaScript code in a String. This code defines a script object 'obj' // with one method called 'hello'. final String script = "var obj = new Object(); obj.hello = function(name) { print('Hello, ' + name); }"; // evaluate script engine.eval(script); // javax.script.Invocable is an optional interface. // Check whether your script engine implements or not! // Note that the JavaScript engine implements Invocable interface. final Invocable inv = (Invocable) engine; // get script object on which we want to call the method final Object obj = engine.get("obj"); // invoke the method named "hello" on the script object "obj" inv.invokeMethod(obj, "hello", "Script Method !!" ); }
Example #11
Source File: ScriptEngineSecurityTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
@Test public void fakeProxySubclassAccessCheckTest() { if (System.getSecurityManager() == null) { // pass vacuously return; } final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); e.put("name", ScriptEngineSecurityTest.class.getName()); e.put("cl", ScriptEngineSecurityTest.class.getClassLoader()); e.put("intfs", new Class[] { Runnable.class }); final String getClass = "Java.type(name + '$FakeProxy').getProxyClass(cl, intfs);"; // Should not be able to call static methods of Proxy via fake subclass try { e.eval(getClass); fail("should have thrown SecurityException"); } catch (final Exception exp) { if (! (exp instanceof SecurityException)) { fail("SecurityException expected, got " + exp); } } }
Example #12
Source File: GroovyScriptEngineFactory.java From hasor with Apache License 2.0 | 6 votes |
public Object getParameter(String key) { if (ScriptEngine.NAME.equals(key)) { return SHORT_NAME; } else if (ScriptEngine.ENGINE.equals(key)) { return getEngineName(); } else if (ScriptEngine.ENGINE_VERSION.equals(key)) { return VERSION; } else if (ScriptEngine.LANGUAGE.equals(key)) { return LANGUAGE_NAME; } else if (ScriptEngine.LANGUAGE_VERSION.equals(key)) { return GroovySystem.getVersion(); } else if ("THREADING".equals(key)) { return "MULTITHREADED"; } else { throw new IllegalArgumentException("Invalid key"); } }
Example #13
Source File: ScriptAddedFunctions.java From hop with Apache License 2.0 | 6 votes |
public static Object getNextWorkingDay( ScriptEngine actualContext, Bindings actualObject, Object[] ArgList, Object FunctionContext ) { // (Date dIn){ if ( ArgList.length == 1 ) { try { if ( isNull( ArgList[ 0 ] ) ) { return null; } else if ( isUndefined( ArgList[ 0 ] ) ) { return undefinedValue; } java.util.Date dIn = (java.util.Date) ArgList[ 0 ]; Calendar startDate = Calendar.getInstance(); startDate.setTime( dIn ); startDate.add( Calendar.DATE, 1 ); while ( startDate.get( Calendar.DAY_OF_WEEK ) == Calendar.SATURDAY || startDate.get( Calendar.DAY_OF_WEEK ) == Calendar.SUNDAY ) { startDate.add( Calendar.DATE, 1 ); } return startDate.getTime(); } catch ( Exception e ) { throw new RuntimeException( e.toString() ); } } else { throw new RuntimeException( "The function call getNextWorkingDay requires 1 argument." ); } }
Example #14
Source File: JSONCompatibleTest.java From hottub with GNU General Public License v2.0 | 6 votes |
/** * Ensure that the old behaviour (every object is a Map) is unchanged. */ @Test public void testNonWrapping() throws ScriptException { final ScriptEngine engine = new NashornScriptEngineFactory().getScriptEngine(); final Object val = engine.eval("({x: [1, {y: [2, {z: [3]}]}, [4, 5]]})"); final Map<String, Object> root = asMap(val); final Map<String, Object> x = asMap(root.get("x")); assertEquals(x.get("0"), 1); final Map<String, Object> x1 = asMap(x.get("1")); final Map<String, Object> y = asMap(x1.get("y")); assertEquals(y.get("0"), 2); final Map<String, Object> y1 = asMap(y.get("1")); final Map<String, Object> z = asMap(y1.get("z")); assertEquals(z.get("0"), 3); final Map<String, Object> x2 = asMap(x.get("2")); assertEquals(x2.get("0"), 4); assertEquals(x2.get("1"), 5); }
Example #15
Source File: ScriptAddedFunctions.java From hop with Apache License 2.0 | 6 votes |
public static String rtrim( ScriptEngine actualContext, Bindings actualObject, Object[] ArgList, Object FunctionContext ) { try { if ( ArgList.length == 1 ) { if ( isNull( ArgList[ 0 ] ) ) { return null; } else if ( isUndefined( ArgList[ 0 ] ) ) { return (String) undefinedValue; } String strValueToTrim = (String) ArgList[ 0 ]; return strValueToTrim.replaceAll( "\\s+$", "" ); } else { throw new RuntimeException( "The function call rtrim requires 1 argument." ); } } catch ( Exception e ) { throw new RuntimeException( "The function call rtrim is not valid : " + e.getMessage() ); } }
Example #16
Source File: PluggableJSObjectTest.java From jdk8u_nashorn with GNU General Public License v2.0 | 6 votes |
@Test // a factory JSObject public void factoryJSObjectTest() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); try { e.put("Factory", new Factory()); // check new on Factory assertEquals(e.eval("typeof Factory"), "function"); assertEquals(e.eval("typeof new Factory()"), "object"); assertEquals(e.eval("(new Factory()) instanceof java.util.Map"), Boolean.TRUE); } catch (final Exception exp) { exp.printStackTrace(); fail(exp.getMessage()); } }
Example #17
Source File: ScriptEngineTest.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
@Test public void windowItemTest() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); final Window window = new Window(); try { e.put("window", window); final String item1 = (String)e.eval("window.item(65535)"); assertEquals(item1, "ffff"); final String item2 = (String)e.eval("window.item(255)"); assertEquals(item2, "ff"); } catch (final Exception exp) { exp.printStackTrace(); fail(exp.getMessage()); } }
Example #18
Source File: ScriptAddedFunctions.java From pentaho-kettle with Apache License 2.0 | 6 votes |
public static Object isNum( ScriptEngine actualContext, Bindings actualObject, Object[] ArgList, Object FunctionContext ) { if ( ArgList.length == 1 ) { try { if ( isNull( ArgList[0] ) ) { return null; } else if ( isUndefined( ArgList[0] ) ) { return undefinedValue; } double sArg1 = (Double) ArgList[0]; if ( Double.isNaN( sArg1 ) ) { return Boolean.FALSE; } else { return Boolean.TRUE; } } catch ( Exception e ) { return Boolean.FALSE; } } else { throw new RuntimeException( "The function call isNum requires 1 argument." ); } }
Example #19
Source File: ScriptTemplateView.java From lams with GNU General Public License v2.0 | 6 votes |
protected ScriptEngine getEngine() { if (Boolean.FALSE.equals(this.sharedEngine)) { Map<Object, ScriptEngine> engines = enginesHolder.get(); if (engines == null) { engines = new HashMap<Object, ScriptEngine>(4); enginesHolder.set(engines); } Object engineKey = (!ObjectUtils.isEmpty(this.scripts) ? new EngineKey(this.engineName, this.scripts) : this.engineName); ScriptEngine engine = engines.get(engineKey); if (engine == null) { engine = createEngineFromName(); engines.put(engineKey, engine); } return engine; } else { // Simply return the configured ScriptEngine... return this.engine; } }
Example #20
Source File: InvocableTest.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
@Test /** * Check that calling getInterface on mirror created by another engine * results in IllegalArgumentException. */ public void getInterfaceMixEnginesTest() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine engine1 = m.getEngineByName("nashorn"); final ScriptEngine engine2 = m.getEngineByName("nashorn"); try { final Object obj = engine1.eval("({ run: function() {} })"); // pass object from engine1 to engine2 as 'thiz' for getInterface ((Invocable) engine2).getInterface(obj, Runnable.class); fail("should have thrown IllegalArgumentException"); } catch (final Exception exp) { if (!(exp instanceof IllegalArgumentException)) { exp.printStackTrace(); fail(exp.getMessage()); } } }
Example #21
Source File: RunnableImpl.java From jdk8u_nashorn with GNU General Public License v2.0 | 6 votes |
public static void main(final String[] args) throws Exception { final ScriptEngineManager manager = new ScriptEngineManager(); final ScriptEngine engine = manager.getEngineByName("nashorn"); // JavaScript code in a String final String script = "function run() { print('run called'); }"; // evaluate script engine.eval(script); final Invocable inv = (Invocable) engine; // get Runnable interface object from engine. This interface methods // are implemented by script functions with the matching name. final Runnable r = inv.getInterface(Runnable.class); // start a new thread that runs the script implemented // runnable interface final Thread th = new Thread(r); th.start(); th.join(); }
Example #22
Source File: ScopeTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
@Test public void invokeFunctionWithCustomScriptContextTest() throws Exception { final ScriptEngine engine = new ScriptEngineManager().getEngineByName("nashorn"); // create an engine and a ScriptContext, but don't set it as default final ScriptContext scriptContext = new SimpleScriptContext(); // Set some value in the context scriptContext.setAttribute("myString", "foo", ScriptContext.ENGINE_SCOPE); // Evaluate script with custom context and get back a function final String script = "function (c) { return myString.indexOf(c); }"; final CompiledScript compiledScript = ((Compilable)engine).compile(script); final Object func = compiledScript.eval(scriptContext); // Invoked function should be able to see context it was evaluated with final Object result = ((Invocable) engine).invokeMethod(func, "call", func, "o", null); assertTrue(((Number)result).intValue() == 1); }
Example #23
Source File: TrustedScriptEngineTest.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
@Test public void classFilterTest2() throws ScriptException { final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); final ScriptEngine e = fac.getScriptEngine(new String[0], Thread.currentThread().getContextClassLoader(), new ClassFilter() { @Override public boolean exposeToScripts(final String fullName) { // don't allow anything that is not "java." return fullName.startsWith("java."); } }); assertEquals(e.eval("typeof javax.script.ScriptEngine"), "object"); assertEquals(e.eval("typeof java.util.Vector"), "function"); try { e.eval("Java.type('javax.script.ScriptContext')"); fail("should not reach here"); } catch (final ScriptException | RuntimeException se) { if (! (se.getCause() instanceof ClassNotFoundException)) { fail("ClassNotFoundException expected"); } } }
Example #24
Source File: Context.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
/** * Initialize given global scope object. * * @param global the global * @param engine the associated ScriptEngine instance, can be null * @return the initialized global scope object. */ public Global initGlobal(final Global global, final ScriptEngine engine) { // Need only minimal global object, if we are just compiling. if (!env._compile_only) { final Global oldGlobal = Context.getGlobal(); try { Context.setGlobal(global); // initialize global scope with builtin global objects global.initBuiltinObjects(engine); } finally { Context.setGlobal(oldGlobal); } } return global; }
Example #25
Source File: ScriptEngineTest.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
@Test public void argumentsWithTest() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); String[] args = new String[] { "hello", "world" }; try { e.put("arguments", args); Object arg0 = e.eval("var imports = new JavaImporter(java.io); " + " with(imports) { arguments[0] }"); Object arg1 = e.eval("var imports = new JavaImporter(java.util, java.io); " + " with(imports) { arguments[1] }"); assertEquals(args[0], arg0); assertEquals(args[1], arg1); } catch (final Exception exp) { exp.printStackTrace(); fail(exp.getMessage()); } }
Example #26
Source File: PluggableJSObjectTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
@Test // iteration tests public void iteratingJSObjectTest() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); try { final MapWrapperObject obj = new MapWrapperObject(); obj.setMember("foo", "hello"); obj.setMember("bar", "world"); e.put("obj", obj); // check for..in Object val = e.eval("var str = ''; for (i in obj) str += i; str"); assertEquals(val.toString(), "foobar"); // check for..each..in val = e.eval("var str = ''; for each (i in obj) str += i; str"); assertEquals(val.toString(), "helloworld"); } catch (final Exception exp) { exp.printStackTrace(); fail(exp.getMessage()); } }
Example #27
Source File: InvocableTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
@Test /** * Check that calling getInterface on mirror created by another engine * results in IllegalArgumentException. */ public void getInterfaceMixEnginesTest() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine engine1 = m.getEngineByName("nashorn"); final ScriptEngine engine2 = m.getEngineByName("nashorn"); try { final Object obj = engine1.eval("({ run: function() {} })"); // pass object from engine1 to engine2 as 'thiz' for getInterface ((Invocable) engine2).getInterface(obj, Runnable.class); fail("should have thrown IllegalArgumentException"); } catch (final Exception exp) { if (!(exp instanceof IllegalArgumentException)) { exp.printStackTrace(); fail(exp.getMessage()); } } }
Example #28
Source File: ScriptUtil.java From scipio-erp with Apache License 2.0 | 6 votes |
/** * Executes a compiled script and returns the result. * * @param script Compiled script. * @param functionName Optional function or method to invoke. * @param scriptContext Script execution context. * @return The script result. * @throws IllegalArgumentException */ public static Object executeScript(CompiledScript script, String functionName, ScriptContext scriptContext, Object[] args) throws ScriptException, NoSuchMethodException { Assert.notNull("script", script, "scriptContext", scriptContext); Object result = script.eval(scriptContext); if (UtilValidate.isNotEmpty(functionName)) { if (Debug.verboseOn()) { Debug.logVerbose("Invoking function/method " + functionName, module); } ScriptEngine engine = script.getEngine(); try { Invocable invocableEngine = (Invocable) engine; result = invocableEngine.invokeFunction(functionName, args == null ? EMPTY_ARGS : args); } catch (ClassCastException e) { throw new ScriptException("Script engine " + engine.getClass().getName() + " does not support function/method invocations"); } } return result; }
Example #29
Source File: InvocableTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
@Test /** * Check that getInterface on non-script object 'thiz' results in * IllegalArgumentException. */ public void getInterfaceNonScriptObjectThizTest() { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); try { ((Invocable) e).getInterface(new Object(), Runnable.class); fail("should have thrown IllegalArgumentException"); } catch (final Exception exp) { if (!(exp instanceof IllegalArgumentException)) { exp.printStackTrace(); fail(exp.getMessage()); } } }
Example #30
Source File: ScopeTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
/** * Test multi-threaded access to primitive prototype user accessor properties for shared script classes with multiple globals. */ @Test public static void multiThreadedPrimitiveAccessorTest() throws ScriptException, InterruptedException { final ScriptEngineManager m = new ScriptEngineManager(); final ScriptEngine e = m.getEngineByName("nashorn"); final Bindings b = e.createBindings(); final ScriptContext origContext = e.getContext(); final ScriptContext newCtxt = new SimpleScriptContext(); newCtxt.setBindings(b, ScriptContext.ENGINE_SCOPE); e.eval("Object.defineProperty(String.prototype, 'foo', { get: function() 'original context' })", origContext); e.eval("Object.defineProperty(String.prototype, 'foo', { get: function() 'new context' })", newCtxt); final String sharedScript = "''.foo"; final Thread t1 = new Thread(new ScriptRunner(e, origContext, sharedScript, "original context", 1000)); final Thread t2 = new Thread(new ScriptRunner(e, newCtxt, sharedScript, "new context", 1000)); t1.start(); t2.start(); t1.join(); t2.join(); final Object obj3 = e.eval("delete String.prototype.foo; Object.prototype.foo = 'newer context';", newCtxt); assertEquals(obj3, "newer context"); final Thread t3 = new Thread(new ScriptRunner(e, origContext, sharedScript, "original context", 1000)); final Thread t4 = new Thread(new ScriptRunner(e, newCtxt, sharedScript, "newer context", 1000)); t3.start(); t4.start(); t3.join(); t4.join(); }