Example usage for javax.script ScriptEngine put

Introduction

In this page you can find the example usage for javax.script ScriptEngine put.

Prototype

public void put(String key, Object value);

Source Link

Document

Sets a key/value pair in the state of the ScriptEngine that may either create a Java Language Binding to be used in the execution of scripts or be used in some other way, depending on whether the key is reserved.

Usage

From source file:org.siphon.common.js.JsEngineUtil.java

public static Object eval(ScriptEngine jsEngine, String srcFile, String code) throws ScriptException {

    jsEngine.put(ScriptEngine.FILENAME, srcFile);
    return jsEngine.eval(code);
}

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From source file:org.jumpmind.metl.core.runtime.component.ModelAttributeScriptHelper.java

public static Object eval(Message message, ComponentContext context, ModelAttribute attribute, Object value,
        ModelEntity entity, EntityData data, String expression) {
    ScriptEngine engine = scriptEngine.get();
    if (engine == null) {
        ScriptEngineManager factory = new ScriptEngineManager();
        engine = factory.getEngineByName("groovy");
        scriptEngine.set(engine);/*from  ww w  .  j a  va  2s. c o m*/
    }
    engine.put("value", value);
    engine.put("data", data);
    engine.put("entity", entity);
    engine.put("attribute", attribute);
    engine.put("message", message);
    engine.put("context", context);

    try {
        String importString = "import org.jumpmind.metl.core.runtime.component.ModelAttributeScriptHelper;\n";
        String code = String.format(
                "return new ModelAttributeScriptHelper(message, context, attribute, entity, data, value) { public Object eval() { return %s } }.eval()",
                expression);
        return engine.eval(importString + code);
    } catch (ScriptException e) {
        throw new RuntimeException("Unable to evaluate groovy script.  Attribute ==> " + attribute.getName()
                + ".  Value ==> " + value.toString() + "." + e.getCause().getMessage(), e);
    }
}

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From source file:temp.groovy.java

@Test
public void foo() {
    JexlEngine eng = new JexlEngine();
    eng.setLenient(false);//from  w ww  .  ja v  a  2 s. com
    eng.setSilent(false);
    Expression expr = eng.createExpression("a == '9' and a =~ ['7','9']");
    System.out.println(expr.dump());
    JexlContext ctx = new MapContext();
    ctx.set("a", "9");
    Boolean result = (Boolean) expr.evaluate(ctx);
    try {
        ScriptEngineManager factory = new ScriptEngineManager();
        ScriptEngine engine = factory.getEngineByName("jython");

        engine.put("first", 9);
        result = (Boolean) engine.eval("first not in [7,9]");
        result = (Boolean) engine.eval("first in ['7','9']");
        assertEquals(true, result);
        //This next example illustrates calling an invokable function:

        String fact = "def factorial(n) { n == 1 ? 1 : n * factorial(n - 1) }";
        engine.eval(fact);
        Invocable inv = (Invocable) engine;
        Object[] params = { 5 };
        Object oresult = inv.invokeFunction("factorial", params);
        assertEquals(120, oresult);
    } catch (ScriptException | NoSuchMethodException ex) {
        Logger.getLogger(groovy.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:reconf.server.services.JavaScriptEngine.java

public Object eval(String js, Map<String, Object> params, String resultVariableName) {
    try {/*from  ww  w.jav  a 2  s . c  o m*/
        ScriptEngineManager factory = new ScriptEngineManager();
        ScriptEngine engine = factory.getEngineByName("JavaScript");
        for (Entry<String, Object> each : params.entrySet()) {
            engine.put(each.getKey(), each.getValue());
        }
        engine.eval(js);
        return engine.get(resultVariableName);

    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.callimachusproject.fluid.consumers.HttpJavaScriptResponseWriter.java

public HttpJavaScriptResponseWriter() throws ScriptException {
    String systemId = getSystemId("SCRIPT");
    ScriptEngineManager man = new ScriptEngineManager();
    ScriptEngine engine = man.getEngineByName("rhino");
    engine.put(ScriptEngine.FILENAME, systemId);
    engine.eval(SCRIPT);/*from   w  ww .  j a v a  2s  . c  o  m*/
    this.engine = (Invocable) engine;
    this.delegate = new HttpMessageWriter();
}

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From source file:org.eclipse.smarthome.transform.javascript.internal.JavaScriptTransformationService.java

/**
 * Transforms the input <code>source</code> by Java Script. It expects the
 * transformation rule to be read from a file which is stored under the
 * 'configurations/transform' folder. To organize the various
 * transformations one should use subfolders.
 * /* w w  w .  jav  a 2  s .c  o  m*/
 * @param filename
 *            the name of the file which contains the Java script
 *            transformation rule. Transformation service inject input
 *            (source) to 'input' variable.
 * @param source
 *            the input to transform
 */
@Override
public String transform(String filename, String source) throws TransformationException {
    Logger logger = LoggerFactory.getLogger(JavaScriptTransformationService.class);
    if (filename == null || source == null) {
        throw new TransformationException("the given parameters 'filename' and 'source' must not be null");
    }

    logger.debug("about to transform '{}' by the Java Script '{}'", source, filename);

    Reader reader;

    try {
        String path = ConfigConstants.getConfigFolder() + File.separator
                + TransformationService.TRANSFORM_FOLDER_NAME + File.separator + filename;
        reader = new InputStreamReader(new FileInputStream(path));
    } catch (FileNotFoundException e) {
        throw new TransformationException("An error occurred while loading script.", e);
    }

    ScriptEngineManager manager = new ScriptEngineManager();

    ScriptEngine engine = manager.getEngineByName("javascript");
    engine.put("input", source);

    Object result = null;

    long startTime = System.currentTimeMillis();

    try {
        result = engine.eval(reader);
    } catch (ScriptException e) {
        throw new TransformationException("An error occurred while executing script.", e);
    } finally {
        IOUtils.closeQuietly(reader);
    }

    logger.trace("JavaScript execution elapsed {} ms", System.currentTimeMillis() - startTime);

    return String.valueOf(result);
}

---

From source file:org.eclipse.smarthome.core.transform.internal.service.JavaScriptTransformationService.java

/**
 * Transforms the input <code>source</code> by Java Script. It expects the
 * transformation rule to be read from a file which is stored under the
 * 'configurations/transform' folder. To organize the various
 * transformations one should use subfolders.
 * // w ww .  j a v a 2s.co  m
 * @param filename
 *            the name of the file which contains the Java script
 *            transformation rule. Transformation service inject input
 *            (source) to 'input' variable.
 * @param source
 *            the input to transform
 */
public String transform(String filename, String source) throws TransformationException {

    if (filename == null || source == null) {
        throw new TransformationException("the given parameters 'filename' and 'source' must not be null");
    }

    logger.debug("about to transform '{}' by the Java Script '{}'", source, filename);

    Reader reader;

    try {
        String path = ConfigDispatcher.getConfigFolder() + File.separator
                + TransformationActivator.TRANSFORM_FOLDER_NAME + File.separator + filename;
        reader = new InputStreamReader(new FileInputStream(path));
    } catch (FileNotFoundException e) {
        throw new TransformationException("An error occured while loading script.", e);
    }

    ScriptEngineManager manager = new ScriptEngineManager();

    ScriptEngine engine = manager.getEngineByName("javascript");
    engine.put("input", source);

    Object result = null;

    long startTime = System.currentTimeMillis();

    try {
        result = engine.eval(reader);
    } catch (ScriptException e) {
        throw new TransformationException("An error occured while executing script.", e);
    } finally {
        IOUtils.closeQuietly(reader);
    }

    logger.trace("JavaScript execution elapsed {} ms", System.currentTimeMillis() - startTime);

    return String.valueOf(result);
}

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From source file:edu.anu.spice.SpiceScorer.java

public void scoreBatch(SpiceArguments args) throws IOException, ScriptException {
    Stopwatch timer = Stopwatch.createStarted();
    SpiceParser parser = new SpiceParser(args.cache, args.numThreads, args.synsets);

    // Build filters for tuple categories
    Map<String, TupleFilter> filters = new HashMap<String, TupleFilter>();
    if (args.tupleSubsets) {
        filters.put("Object", TupleFilter.objectFilter);
        filters.put("Attribute", TupleFilter.attributeFilter);
        filters.put("Relation", TupleFilter.relationFilter);
        filters.put("Cardinality", TupleFilter.cardinalityFilter);
        filters.put("Color", TupleFilter.colorFilter);
        filters.put("Size", TupleFilter.sizeFilter);
    }//from w ww  .  j  ava2  s  . co  m

    // Parse test and refs from input file
    ArrayList<Object> image_ids = new ArrayList<Object>();
    ArrayList<String> testCaptions = new ArrayList<String>();
    ArrayList<String> refCaptions = new ArrayList<String>();
    ArrayList<Integer> refChunks = new ArrayList<Integer>();
    JSONParser json = new JSONParser();
    JSONArray input;
    try {
        input = (JSONArray) json.parse(new FileReader(args.inputPath));
        for (Object o : input) {
            JSONObject item = (JSONObject) o;
            image_ids.add(item.get("image_id"));
            testCaptions.add((String) item.get("test"));
            JSONArray refs = (JSONArray) item.get("refs");
            refChunks.add(refs.size());
            for (Object ref : refs) {
                refCaptions.add((String) ref);
            }
        }
    } catch (ParseException e) {
        System.err.println("Could not read input: " + args.inputPath);
        System.err.println(e.toString());
        e.printStackTrace();
    }

    System.err.println("Parsing reference captions");
    List<SceneGraph> refSgs = parser.parseCaptions(refCaptions, refChunks);
    System.err.println("Parsing test captions");
    List<SceneGraph> testSgs = parser.parseCaptions(testCaptions);

    this.stats = new SpiceStats(filters, args.detailed);
    for (int i = 0; i < testSgs.size(); ++i) {
        this.stats.score(image_ids.get(i), testSgs.get(i), refSgs.get(i), args.synsets);
    }
    if (!args.silent) {
        System.out.println(this.stats.toString());
    }

    if (args.outputPath != null) {
        BufferedWriter outputWriter = new BufferedWriter(new FileWriter(args.outputPath));

        // Pretty print output using javascript
        String jsonStringNoWhitespace = this.stats.toJSONString();
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine scriptEngine = manager.getEngineByName("JavaScript");
        scriptEngine.put("jsonString", jsonStringNoWhitespace);
        scriptEngine.eval("result = JSON.stringify(JSON.parse(jsonString), null, 2)");
        String prettyPrintedJson = (String) scriptEngine.get("result");

        outputWriter.write(prettyPrintedJson);
        outputWriter.close();
    }
    System.out.println("SPICE evaluation took: " + timer.stop());
}

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From source file:org.sonar.fortify.crawler.Main.java

private void executeJSCode(String pageSrc) throws ScriptException {
    ScriptEngineManager factory = new ScriptEngineManager();
    ScriptEngine engine = factory.getEngineByName("JavaScript");
    engine.put("d", this);
    engine.eval(pageSrc);//from  ww w .j a va  2  s.c  o m
}

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From source file:org.ngrinder.operation.cotroller.ScriptConsoleController.java

/**
 * Run the given script. The run result is stored in "result" of the given model.
 *
 * @param script script//from   w  w w. j  a  va2s .c o m
 * @param model  model
 * @return operation/script_console
 */
@RequestMapping("")
public String run(@RequestParam(value = "script", defaultValue = "") String script, Model model) {
    if (StringUtils.isNotBlank(script)) {
        ScriptEngine engine = new ScriptEngineManager().getEngineByName("Groovy");
        engine.put("applicationContext", this.applicationContext);
        engine.put("agentManager", this.agentManager);
        engine.put("agentManagerService", this.agentManagerService);
        engine.put("regionService", this.regionService);
        engine.put("consoleManager", this.consoleManager);
        engine.put("userService", this.userService);
        engine.put("perfTestService", this.perfTestService);
        engine.put("tagService", this.tagService);
        engine.put("fileEntryService", this.fileEntryService);
        engine.put("config", getConfig());
        engine.put("pluginManager", this.pluginManager);
        engine.put("cacheManager", this.cacheManager);
        engine.put("user", getCurrentUser());
        final StringWriter out = new StringWriter();
        PrintWriter writer = new PrintWriter(out);
        engine.getContext().setWriter(writer);
        engine.getContext().setErrorWriter(writer);
        try {
            Object result = engine.eval(script);
            result = out.toString() + "\n" + ObjectUtils.defaultIfNull(result, "");
            model.addAttribute("result", result);
        } catch (ScriptException e) {
            model.addAttribute("result", out.toString() + "\n" + e.getMessage());
        }
    }
    model.addAttribute("script", script);
    return "operation/script_console";
}

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