Example usage for jdk.nashorn.api.scripting NashornScriptEngineFactory NashornScriptEngineFactory

Introduction

In this page you can find the example usage for jdk.nashorn.api.scripting NashornScriptEngineFactory NashornScriptEngineFactory.

Prototype

NashornScriptEngineFactory

Source Link

Usage

From source file:io.warp10.script.ext.js.JS.java

License:Apache License

@Override
protected ScriptEngine getEngine() {
    return new NashornScriptEngineFactory().getScriptEngine(new String[] { "--no-java" });
}

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From source file:me.finalchild.nashornbukkit.script.Host.java

License:MIT License

public Host() {
    engine = (NashornScriptEngine) new NashornScriptEngineFactory()
            .getScriptEngine(/*new String[] {"-scripting"}, */NashornBukkit.class.getClassLoader());
    importer = new BukkitImporter();
}

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From source file:net.codestory.http.compilers.NashornCompiler.java

License:Apache License

private NashornCompiler(String script) {
    NashornScriptEngineFactory factory = new NashornScriptEngineFactory();

    String engineVersion = factory.getEngineVersion();
    String cacheLocation = Paths
            .get(System.getProperty("user.home"), ".code-story", "nashorn_code_cache_" + engineVersion).toFile()
            .getAbsolutePath();/*from  w w  w .  j av  a 2s .c  o  m*/
    System.setProperty("nashorn.persistent.code.cache", cacheLocation);

    // --optimistic-types=true in JDK 8u40 slows down everything
    // Don't use varargs because it was introduced only in 8u40
    ScriptEngine nashorn = factory
            .getScriptEngine(new String[] { "--persistent-code-cache=true", "--lazy-compilation=false" });

    try {
        compiledScript = ((Compilable) nashorn).compile(script);
        bindings = nashorn.getBindings(ENGINE_SCOPE);
    } catch (ScriptException e) {
        throw new IllegalStateException("Unable to compile javascript", e);
    }
}

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From source file:net.orzo.scripting.JsEngineAdapter.java

License:Apache License

/**
 *//*from  www . j  a  v a2 s  .  com*/
public JsEngineAdapter(EnvParams envParams, SharedServices sharedServices,
        IntermediateResults intermediateResults) {
    this.envParams = envParams;
    this.sharedServices = sharedServices;
    this.intermediateResults = intermediateResults;
    this.modules = new HashMap<>();
    this.engine = new NashornScriptEngineFactory() // TODO configurable timezone
            .getScriptEngine(new String[] { "-timezone=" + getCurrentTimezone().getID() });
}

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From source file:org.eclipse.californium.actinium.plugnplay.JavaScriptApp.java

License:Open Source License

/**
 * Executes the given JavaScript code./*  ww  w .  j  av  a  2s  . c  om*/
 * @param code the JavaScript code
 */
public void execute(String code) {

    if (code == null || code.isEmpty())
        return;

    dependencies.clear();
    moduleCache.clear();
    classloader = new DynamicClassloader(Thread.currentThread().getContextClassLoader());
    engine = (NashornScriptEngine) new NashornScriptEngineFactory().getScriptEngine(classloader);
    try {
        // initialize JavaScrip environmetn for the app: scope (variables)

        context = new AppContext();
        context.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE);
        Bindings engineScope = context.getBindings(ScriptContext.ENGINE_SCOPE);
        //          scope.setPrototype(s);
        //
        //          // add two global functions dump and addSubResource
        //            String[] names = { "dump", "addSubResource"};
        //            scope.defineFunctionProperties(names, JavaScriptStaticAccess.class,
        //                                           ScriptableObject.DONTENUM);
        //
        //            try {
        //               // Add AJAX' XMLHttpRequest to JavaScript
        //               ScriptableObject.defineClass(scope,   XMLHttpRequest.class);
        //               ScriptableObject.defineClass(scope,   JavaScriptCoapExchange.class);
        //         } catch (IllegalAccessException e) {
        //            e.printStackTrace();
        //         } catch (InstantiationException e) {
        //            e.printStackTrace();
        //         } catch (InvocationTargetException e) {
        //            e.printStackTrace();
        //         }

        // Add object "app" to JavaScript
        jsaccess = new JavaScriptAccess();
        engineScope.put("app", jsaccess);
        engineScope.put("require", (IRequire) moduleName -> jsaccess.require(moduleName));
        engineScope.put("_extend", (IExtend) (a, b) -> jsaccess.extend(a, b));
        engineScope.put("_super", (ISuperCall) (a, b, c) -> jsaccess.superCall(a, b, c));

        String bootstrap = Utils.readFile(JavaScriptApp.class.getResourceAsStream("/bootstrap.js"));
        code = bootstrap.replaceAll("//.*?\n", "\n").replace('\n', ' ') + "(function () {" + code
                + "}).apply({});";

        // Execute code
        engine.eval(code, context);

    } catch (RuntimeException | ScriptException e) {
        Throwable cause = e.getCause();
        if (cause != null && cause instanceof InterruptedException) {
            // this was a controlled shutdown, e.g. with app.stop()
            System.out.println("JavaScript app " + getName() + " has been interrupted");
        } else {
            e.printStackTrace();
            if (e instanceof ScriptException) {
                System.err.println("JavaScript error in [" + ((ScriptException) e).getFileName() + "#"
                        + ((ScriptException) e).getLineNumber() + "]: " + e.getMessage());
            }
        }
    }
}

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From source file:org.fseek.simon.gameone.blog.video.NashornScriptParser.java

License:Open Source License

protected ScriptEngine getScriptEngine() {
    if (NashornScriptParser.scriptEngine == null) {
        NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
        // ensure only the SWFObject class can be used in the passed
        // JavaScript to prevent malicious js code.
        NashornScriptParser.scriptEngine = factory
                .getScriptEngine((String string) -> string.equals(SWFObject.class.getName()));
    }/*w  w  w  . ja v a2  s .c o  m*/
    return scriptEngine;
}

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From source file:org.labkey.nashorn.NashornController.java

License:Apache License

private Pair<ScriptEngine, ScriptContext> getNashorn(boolean useSession) throws Exception {
    ScriptEngineManager engineManager = new ScriptEngineManager();
    ScriptEngine engine;//from   ww  w. ja  v  a  2s  . c o  m
    ScriptContext context;

    Callable<ScriptEngine> createContext = new Callable<ScriptEngine>() {
        @Override
        @NotNull
        public ScriptEngine call() throws Exception {
            NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
            ScriptEngine engine = factory.getScriptEngine(new String[] { "--global-per-engine" });
            return engine;
        }
    };

    if (useSession) {
        HttpServletRequest req = getViewContext().getRequest();
        engine = SessionHelper.getAttribute(req, this.getClass().getName() + "#scriptEngine", createContext);
    } else {
        engine = createContext.call();
    }

    Bindings engineScope = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    engineScope.put("LABKEY", new org.labkey.nashorn.env.LABKEY(getViewContext()));

    Bindings globalScope = engine.getBindings(ScriptContext.GLOBAL_SCOPE);
    // null==engine.getBindings(ScriptContext.GLOBAL_SCOPE), because of --global-per-engine
    // some docs mention enginScope.get("nashorn.global"), but that is also null
    if (null == globalScope)
        globalScope = (Bindings) engineScope.get("nashorn.global");
    if (null == globalScope)
        globalScope = engineScope;
    globalScope.put("console", new Console());

    return new Pair<>(engine, engine.getContext());
}

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From source file:org.nuxeo.automation.scripting.internals.ScriptingCache.java

License:Apache License

public ScriptingCache(boolean enabled) {
    this.nashornScriptEngineFactory = new NashornScriptEngineFactory();
    this.enabled = enabled;
}

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From source file:org.nuxeo.automation.scripting.internals.ScriptingCacheClassFilter.java

License:Apache License

public ScriptingCacheClassFilter(boolean cacheEnable) {
    this.nashornScriptEngineFactory = new NashornScriptEngineFactory();
    this.cacheEnable = cacheEnable;
}

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From source file:org.thingsboard.server.service.script.AbstractNashornJsInvokeService.java

License:Apache License

@PostConstruct
public void init() {
    if (useJsSandbox()) {
        sandbox = NashornSandboxes.create();
        monitorExecutorService = Executors.newFixedThreadPool(getMonitorThreadPoolSize());
        sandbox.setExecutor(monitorExecutorService);
        sandbox.setMaxCPUTime(getMaxCpuTime());
        sandbox.allowNoBraces(false);/*from  w w w . ja  v  a  2s  .c om*/
        sandbox.allowLoadFunctions(true);
        sandbox.setMaxPreparedStatements(30);
    } else {
        NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
        engine = factory.getScriptEngine(new String[] { "--no-java" });
    }
}

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