List of usage examples for javax.script ScriptEngineManager getEngineByName
public ScriptEngine getEngineByName(String shortName)
ScriptEngine for a given name. From source file:org.jdto.mergers.ScriptMerger.java
private ScriptEngine initializeScriptEngine(String[] extraParam) { String engineName = DEFAULT_SCRIPT_ENGINE; //the script engine may be configured as the second parameter. if (extraParam.length > 1 && !StringUtils.isEmpty(extraParam[1])) { engineName = extraParam[1];//from w ww . ja v a 2 s .c o m } //TODO - REVIEW IF THIS IS SAFE TO INSTANTIATE ALL THE TIME ScriptEngineManager scriptEngineMgr = new ScriptEngineManager(); //TODO - REVIEW IF THIS IS SAFE TO INSTANTIATE ALL THE TIME ScriptEngine engine = scriptEngineMgr.getEngineByName(engineName); if (engine == null) { logger.error("Engine " + engineName + " not found!."); throw new IllegalArgumentException("No scripting engine " + "could be found with name: " + engineName); } return engine; }
From source file:org.nuxeo.automation.scripting.test.TestCompileAndContext.java
@Test public void serviceShouldBeDeclared() throws Exception { ScriptEngineManager engineManager = new ScriptEngineManager(); ScriptEngine engine = engineManager.getEngineByName(AutomationScriptingConstants.NASHORN_ENGINE); assertNotNull(engine);//from ww w . j a va2 s . co m InputStream stream = this.getClass().getResourceAsStream("/checkWrapper.js"); assertNotNull(stream); engine.eval(scriptingService.getJSWrapper()); engine.eval(IOUtils.toString(stream)); assertEquals("Hello" + System.lineSeparator(), outContent.toString()); }
From source file:com.ikanow.aleph2.enrichment.utils.services.JsScriptEngineService.java
@Override public void onStageInitialize(IEnrichmentModuleContext context, DataBucketBean bucket, EnrichmentControlMetadataBean control, final Tuple2<ProcessingStage, ProcessingStage> previous_next, final Optional<List<String>> grouping_fields) { // This is currently fixed: java_api.set(true);//from w ww. j av a2s .co m final JsScriptEngineBean config_bean = BeanTemplateUtils .from(Optional.ofNullable(control.config()).orElse(Collections.emptyMap()), JsScriptEngineBean.class) .get(); _config.trySet(config_bean); _context.trySet(context); _control.trySet(control); // Initialize script engine: ScriptEngineManager manager = new ScriptEngineManager(); _engine.trySet(manager.getEngineByName("JavaScript")); _script_context.trySet(_engine.get().getContext()); // (actually not needed since we're compiling things) _bucket_logger.set(context.getLogger(Optional.of(bucket))); // Load globals: _engine.get().put("_a2_global_context", _context.get()); _engine.get().put("_a2_global_grouping_fields", grouping_fields.orElse(Collections.emptyList())); _engine.get().put("_a2_global_previous_stage", previous_next._1().toString()); _engine.get().put("_a2_global_next_stage", previous_next._2().toString()); _engine.get().put("_a2_global_bucket", bucket); _engine.get().put("_a2_global_config", BeanTemplateUtils.configureMapper(Optional.empty()) .convertValue(config_bean.config(), JsonNode.class)); _engine.get().put("_a2_global_mapper", BeanTemplateUtils.configureMapper(Optional.empty())); _engine.get().put("_a2_bucket_logger", _bucket_logger.optional().orElse(null)); _engine.get().put("_a2_enrichment_name", Optional.ofNullable(control.name()).orElse("no_name")); // Load the resources: Stream.concat(config_bean.imports().stream(), Stream.of("aleph2_js_globals_before.js", "", "aleph2_js_globals_after.js")) .flatMap(Lambdas.flatWrap_i(import_path -> { try { if (import_path.equals("")) { // also import the user script just before here return config_bean.script(); } else return IOUtils.toString( JsScriptEngineService.class.getClassLoader().getResourceAsStream(import_path), "UTF-8"); } catch (Throwable e) { _bucket_logger.optional().ifPresent(l -> l.log(Level.ERROR, ErrorUtils.lazyBuildMessage( false, () -> this.getClass().getSimpleName(), () -> Optional.ofNullable(control.name()).orElse("no_name") + ".onStageInitialize", () -> null, () -> ErrorUtils.get("Error initializing stage {0} (script {1}): {2}", Optional.ofNullable(control.name()).orElse("(no name)"), import_path, e.getMessage()), () -> ImmutableMap.<String, Object>of("full_error", ErrorUtils.getLongForm("{0}", e))))); _logger.error(ErrorUtils.getLongForm("onStageInitialize: {0}", e)); throw e; // ignored } })).forEach(Lambdas.wrap_consumer_i(script -> { try { _engine.get().eval(script); } catch (Throwable e) { _bucket_logger.optional().ifPresent(l -> l.log(Level.ERROR, ErrorUtils.lazyBuildMessage( false, () -> this.getClass().getSimpleName(), () -> Optional.ofNullable(control.name()).orElse("no_name") + ".onStageInitialize", () -> null, () -> ErrorUtils.get("Error initializing stage {0} (main script): {1}", Optional.ofNullable(control.name()).orElse("(no name)"), e.getMessage()), () -> ImmutableMap.<String, Object>of("full_error", ErrorUtils.getLongForm("{0}", e))))); _logger.error(ErrorUtils.getLongForm("onStageInitialize: {0}", e)); throw e; // ignored } })); ; }
From source file:org.nuxeo.automation.scripting.test.TestCompileAndContext.java
@Test public void testNashornWithCompile() throws Exception { ScriptEngineManager engineManager = new ScriptEngineManager(); ScriptEngine engine = engineManager.getEngineByName(AutomationScriptingConstants.NASHORN_ENGINE); assertNotNull(engine);//from w w w .ja v a 2 s .com Compilable compiler = (Compilable) engine; assertNotNull(compiler); InputStream stream = this.getClass().getResourceAsStream("/testScript" + ".js"); assertNotNull(stream); String js = IOUtils.toString(stream); CompiledScript compiled = compiler.compile(new StringReader(js)); engine.put("mapper", new Mapper()); compiled.eval(engine.getContext()); assertEquals("1" + System.lineSeparator() + "str" + System.lineSeparator() + "[1, 2, {a=1, b=2}]" + System.lineSeparator() + "{a=1, b=2}" + System.lineSeparator() + "This is a string" + System.lineSeparator() + "This is a string" + System.lineSeparator() + "2" + System.lineSeparator() + "[A, B, C]" + System.lineSeparator() + "{a=salut, b=from java}" + System.lineSeparator() + "done" + System.lineSeparator(), outContent.toString()); }
From source file:uk.co.edgeorgedev.notifj.notification.growl.OSXGrowlNotification.java
/** * Creates new ApppleScript Engine which is used to create notifications * @throws NotificationOperatingSystemException if the system operating system is <i>not</i> Mac OSX * @since 1.0//from w w w.ja v a 2s. c om */ @Override public void open() throws NotificationException { if (!SystemUtils.IS_OS_MAC_OSX) throw new NotificationOperatingSystemException("Operating System is not Mac OSX"); ScriptEngineManager engineManager = new ScriptEngineManager(); mScriptEngine = engineManager.getEngineByName("AppleScript"); }
From source file:org.xwiki.rendering.macro.script.AbstractJSR223ScriptMacro.java
/** * @param engineName the script engine name (eg "groovy", etc) * @return the Script engine to use to evaluate the script * @throws MacroExecutionException in case of an error in parsing the jars parameter *//* w w w .j a v a2s .com*/ private ScriptEngine getScriptEngine(String engineName) throws MacroExecutionException { // Look for a script engine in the Execution Context since we want the same engine to be used // for all evals during the same execution lifetime. // We must use the same engine because that engine may create an internal ClassLoader in which // it loads new classes defined in the script and if we create a new engine then defined classes // will be lost. // However we also need to be able to execute several script Macros during a single execution request // and for example the second macro could have jar parameters. In order to support this use case // we ensure in AbstractScriptMacro to reuse the same thread context ClassLoader during the whole // request execution. ExecutionContext executionContext = this.execution.getContext(); Map<String, ScriptEngine> scriptEngines = (Map<String, ScriptEngine>) executionContext .getProperty(EXECUTION_CONTEXT_ENGINE_KEY); if (scriptEngines == null) { scriptEngines = new HashMap<String, ScriptEngine>(); executionContext.setProperty(EXECUTION_CONTEXT_ENGINE_KEY, scriptEngines); } ScriptEngine engine = scriptEngines.get(engineName); if (engine == null) { ScriptEngineManager sem = new ScriptEngineManager(); engine = sem.getEngineByName(engineName); scriptEngines.put(engineName, engine); } return engine; }
From source file:org.jgentleframework.integration.scripting.ScriptingInstantiationInterceptor.java
@Override public Object instantiate(ObjectInstantiation oi) throws Throwable { Object result = null;// www . j a v a 2s.com Class<?> target = oi.getTargetClass(); Definition definition = this.definitionManager.getDefinition(target); if (definition.isAnnotationPresent(ScriptingInject.class)) { if (!target.isInterface()) { if (log.isFatalEnabled()) { log.fatal("Could not binding to Scripting service", new ScriptException("Target class must be a interface!")); } } final ScriptingInject scriptingInject = definition.getAnnotation(ScriptingInject.class); Object previous = oi.getPreviousResult(); if (previous == null) { ScriptEngineManager engineManager = new ScriptEngineManager(); ScriptEngine engine = engineManager.getEngineByName(scriptingInject.lang().getType()); if (engine == null) { if (log.isFatalEnabled()) { log.fatal( "Script engine with name : " + scriptingInject.lang().getType() + " is not found!", new ScriptException("Script engine with name : " + scriptingInject.lang().getType() + " is not found!")); } throw new ScriptException( "Script engine with name : " + scriptingInject.lang().getType() + " is not found!"); } File parentFile = null; if (!(PathType.CLASSPATH.equals(scriptingInject.pathType()) || PathType.CLASSPATH.equals(scriptingInject.pathType()))) { parentFile = new File(scriptingInject.pathType().getType()); } File sourceFile = null; if (parentFile != null) { sourceFile = new File(parentFile, scriptingInject.scriptFile()); } else { if (PathType.CLASSPATH.equals(scriptingInject.pathType())) { sourceFile = new File(ScriptingInstantiationInterceptor.class .getResource(scriptingInject.scriptFile()).toURI()); } else { sourceFile = new File(scriptingInject.scriptFile()); } } engine.eval(new FileReader(sourceFile)); Invocable inv = (Invocable) engine; final Object scriptObject = inv.getInterface(target); result = scriptObject; final Enhancer enhancer = new Enhancer(); enhancer.setInterfaces(new Class<?>[] { target }); enhancer.setCallback(new MethodInterceptor() { @Override public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable { if (method.getName().equals("hashCode")) { final int prime = 31; int result = 1; result = prime * result + super.hashCode(); result = prime * result + enhancer.hashCode(); return result; } else { MethodInvocation invocation = new BasicMethodInvocation(obj, method, args); return invoke(invocation, scriptObject); } } protected Object invoke(MethodInvocation invocation, Object stub) throws NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException { Object result = null; Method method = null; Method methodType = invocation.getMethod(); Class<?> clazz = stub.getClass(); Class<?>[] classType = ReflectUtils.getClassTypeOf(invocation.getArguments()); method = ReflectUtils.getSupportedMethod(clazz, methodType.getName(), classType); result = method.invoke(stub, invocation.getArguments()); return result; } }); if (oi.args() != null && oi.argTypes() != null) result = enhancer.create(oi.argTypes(), oi.args()); else result = enhancer.create(); oi.setPreviousResult(result); } else { if (log.isFatalEnabled()) { log.fatal( "Does not support multible Instantiation Interceptor " + "conjointly with Scripting Instantiation", new ScriptException("Does not support multible Instantiation Interceptor!")); } } return oi.proceed(); } else { if (log.isWarnEnabled()) { log.warn("The target interface is not annotated with [" + ScriptingInject.class + "]"); } } return result; }
From source file:de.ingrid.mdek.mapping.ScriptImportDataMapper.java
/** * Get the script engine (JavaScript). It returns always the same instance once initialized. * //from ww w . j a v a 2 s .com * @return script engine. */ protected ScriptEngine getScriptEngine() { if (engine == null) { ScriptEngineManager manager = new ScriptEngineManager(); engine = manager.getEngineByName("JavaScript"); } return engine; }
From source file:org.nyu.edu.dlts.CodeViewerDialog.java
/** * Method to evaluate the syntax of the script. * Basically try running and see if any syntax errors occur *//*from w ww .j a v a2 s. c o m*/ private void evaluateButtonActionPerformed() { try { if (textArea.getSyntaxEditingStyle().equals(RSyntaxTextArea.SYNTAX_STYLE_JAVA)) { Interpreter bsi = new Interpreter(); bsi.set("record", new String("Test")); bsi.set("recordType", "test"); bsi.eval(getCurrentScript()); } else if (textArea.getSyntaxEditingStyle().equals(RSyntaxTextArea.SYNTAX_STYLE_RUBY)) { ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine jri = manager.getEngineByName("jruby"); jri.put("recordType", "test"); jri.eval(getCurrentScript()); } else if (textArea.getSyntaxEditingStyle().equals(RSyntaxTextArea.SYNTAX_STYLE_PYTHON)) { PythonInterpreter pyi = new PythonInterpreter(); pyi.set("record", new String("Test")); pyi.set("recordType", "test"); pyi.exec(getCurrentScript()); } else { // must be java script ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine jsi = manager.getEngineByName("javascript"); jsi.put("record", new String("Test")); jsi.put("recordType", "test"); jsi.eval(getCurrentScript()); } messageTextArea.setText("No Syntax Errors Found ..."); } catch (Exception e) { messageTextArea.setText("Error Occurred:\n" + dbCopyFrame.getStackTrace(e)); } }
From source file:net.sf.keystore_explorer.utilities.net.PacProxySelector.java
private Invocable compilePacScript(String pacScript) throws PacProxyException { try {/*from w w w . j a va 2s .c o m*/ ScriptEngineManager mgr = new ScriptEngineManager(); ScriptEngine jsEngine = mgr.getEngineByName("JavaScript"); Invocable invocale = (Invocable) jsEngine; jsEngine.eval(pacScript); jsEngine.eval(new InputStreamReader(PacProxySelector.class.getResourceAsStream("pacUtils.js"))); return invocale; } catch (ScriptException ex) { throw new PacProxyException(res.getString("NoCompilePacScript.exception.message"), ex); } }