Example usage for javax.script ScriptEngine getContext

List of usage examples for javax.script ScriptEngine getContext

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Introduction

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

Prototype

public ScriptContext getContext();

Source Link

Document

Returns the default ScriptContext of the ScriptEngine whose Bindings, Reader and Writers are used for script executions when no ScriptContext is specified.

Usage

From source file:net.mindengine.galen.suite.actions.GalenPageActionRunJavascript.java

@Override
public List<ValidationError> execute(Browser browser, GalenPageTest pageTest,
        ValidationListener validationListener) throws Exception {

    File file = GalenUtils.findFile(javascriptPath);
    Reader scriptFileReader = new FileReader(file);
    ScriptEngineManager factory = new ScriptEngineManager();
    ScriptEngine engine = factory.getEngineByName("JavaScript");
    ScriptContext context = engine.getContext();
    context.setAttribute("name", "JavaScript", ScriptContext.ENGINE_SCOPE);

    engine.put("global", new ScriptExecutor(engine, file.getParent()));
    engine.put("browser", browser);

    provideWrappedWebDriver(engine, browser);

    importAllMajorClasses(engine);//from   w  w  w . ja va 2s. co m
    engine.eval("var arg = " + jsonArguments);
    engine.eval(scriptFileReader);
    return NO_ERRORS;
}

From source file:com.mnxfst.stream.pipeline.element.script.ScriptEvaluatorPipelineElementTest.java

/**
 * This is not a test case but more a kind of a sandbox for fiddling around with the script engine
 *///w w w  .  j  a v  a2  s.  com
@Test
public void testEvaluateScriptWithReturn() throws Exception {

    ScriptEngineManager factory = new ScriptEngineManager();
    ScriptEngine engine = factory.getEngineByName("JavaScript");
    StringWriter writer = new StringWriter();
    PrintWriter pw = new PrintWriter(writer, true);
    engine.getContext().setWriter(pw);

    engine.eval(new FileReader("/home/mnxfst/git/stream-analyzer/src/main/resources/spahql.js"));

    String script = "var result0 = '1';var result1 = '2';";
    engine.eval(script);
    StringBuffer sb = writer.getBuffer();
    System.out.println("StringBuffer contains: " + sb + " - " + engine.get("test"));
    System.out.println(engine.get("content"));

    for (int i = 0; i < Integer.MAX_VALUE; i++) {
        String content = (String) engine.get("result" + i);
        if (StringUtils.isBlank(content))
            break;
        System.out.println(content);
    }

    ObjectMapper mapper = new ObjectMapper();
    StreamEventMessage message = new StreamEventMessage();
    message.setIdentifier("test-id");
    message.setOrigin("test-origin");
    message.setTimestamp("2014-03-05");
    message.setEvent("10");
    //      message.addCustomAttribute("test-key-1", "3");
    //      message.addCustomAttribute("test-key-2", "value-1");
    //      message.addCustomAttribute("test-key-3", "19");
    //      message.addCustomAttribute("errors", (String)engine.get("test"));

    String json = mapper.writeValueAsString(message);
    System.out.println(json);
    StreamEventMessage msg = mapper.readValue(json, StreamEventMessage.class);
    System.out.println(message.getCustomAttributes().get("json"));

}

From source file:org.jahia.modules.docrules.EmailDocumentRule.java

private String evaluate(String subject, JCRNodeWrapper document) {
    if (subject.contains("${")) {
        try {//from   w ww.  j  a  v a 2 s  .  c  o  m
            ScriptEngine byName = ScriptEngineUtils.getInstance().getEngineByName("velocity");
            ScriptContext scriptContext = byName.getContext();
            final Bindings bindings = scriptContext.getBindings(ScriptContext.ENGINE_SCOPE);
            bindings.put("document", document);
            scriptContext.setWriter(new StringWriter());
            scriptContext.setErrorWriter(new StringWriter());
            byName.eval(subject, bindings);
            return scriptContext.getWriter().toString().trim();
        } catch (ScriptException e) {
            logger.error("Error while evaluating value [" + subject + "]", e);
        }
    }

    return null;
}

From source file:sample.fa.ScriptRunnerApplication.java

private void executeScript(ActionEvent ae) {
    ScriptEngine se = (ScriptEngine) languagesModel.getSelectedItem();
    try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); Writer w = new OutputStreamWriter(baos);) {
        se.getContext().setWriter(w);

        Optional<Object> result = Optional.ofNullable(se.eval(scriptContents.getText()));

        scriptResults.setText(baos.toString() + "\n>>>>>>\n" + result.orElse("-null-").toString());
    } catch (Exception e) {
        e.printStackTrace(System.out);
        scriptResults.setText(e.getClass().getName() + " - " + e.getMessage());
    }//from ww w  . j  av a  2  s . c o m
}

From source file:org.jahia.modules.macros.filter.MacrosFilter.java

@Override
public String execute(String previousOut, RenderContext renderContext, Resource resource, RenderChain chain)
        throws Exception {
    if (StringUtils.isEmpty(previousOut)) {
        return previousOut;
    }/*  w w w .  j  av a2 s. c om*/
    long timer = System.currentTimeMillis();
    boolean evaluated = false;

    Matcher matcher = macrosPattern.matcher(previousOut);
    while (matcher.find()) {
        evaluated = true;
        String macroName = matcher.group(1);
        String[] macro = getMacro(macroName);
        if (macro != null) {
            try {
                // execute macro
                ScriptEngine scriptEngine = scriptEngineUtils.scriptEngine(macro[1]);
                ScriptContext scriptContext = scriptEngine.getContext();
                scriptContext.setWriter(new StringWriter());
                scriptContext.setErrorWriter(new StringWriter());
                scriptEngine.eval(macro[0], getBindings(renderContext, resource, scriptContext, matcher));
                String scriptResult = scriptContext.getWriter().toString().trim();
                previousOut = matcher.replaceFirst(scriptResult);
            } catch (ScriptException e) {
                logger.warn("Error during execution of macro " + macroName + " with message " + e.getMessage(),
                        e);
                previousOut = matcher.replaceFirst(macroName);
            }
            matcher = macrosPattern.matcher(previousOut);
        } else if (replaceByErrorMessageOnMissingMacros) {
            previousOut = matcher.replaceFirst("macro " + macroName + " not found");
            logger.warn("Unknown macro '{}'", macroName);
            matcher = macrosPattern.matcher(previousOut);
        }
    }

    if (evaluated && logger.isDebugEnabled()) {
        logger.debug("Evaluation of macros took {} ms", (System.currentTimeMillis() - timer));
    }
    return previousOut;
}

From source file:com.aionemu.commons.scripting.AionScriptEngineManager.java

public ScriptContext getScriptContext(ScriptEngine engine) {
    return engine.getContext();
}

From source file:com.github.safrain.remotegsh.server.RgshFilter.java

/**
 * Create a script engine with stdout and stderr replaced by {@link ServletResponse#getWriter()}.
 * Script extensions in {@link #scriptExtensions} will be evaluated after the engine creation.
 *///from  w w w .jav  a 2  s.c o m
private ScriptEngine prepareEngine(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ScriptEngine engine = createGroovyEngine();
    PrintWriter writer = response.getWriter();
    engine.getContext().setWriter(writer);
    engine.getContext().setErrorWriter(writer);
    engine.put("_request", request);
    engine.put("_response", response);
    engine.put("_charset", charset);

    try {
        for (Entry<String, CompiledScript> entry : scriptExtensions.entrySet()) {
            try {
                entry.getValue().eval(engine.getContext());
            } catch (ScriptException e) {
                //Ignore script extension evaluation errors
                log.log(Level.WARNING, String.format("Error evaluating script extension '%s'", entry.getKey()),
                        e);
            }
        }
    } catch (Exception e) {
        log.log(Level.SEVERE, "Error while creating engine.", e);
        throw new RuntimeException(e);
    }
    return engine;
}

From source file:com.intuit.tank.tools.script.ScriptRunner.java

/**
 * /*from ww  w  .j ava2 s .co  m*/
 * @param scriptName
 * @param script
 * @param engine
 * @param inputs
 * @param output
 * @return
 * @throws ScriptException
 */
public ScriptIOBean runScript(@Nullable String scriptName, @Nonnull String script, @Nonnull ScriptEngine engine,
        @Nonnull Map<String, Object> inputs, OutputLogger output) throws ScriptException {
    Reader reader = null;
    ScriptIOBean ioBean = null;
    try {
        reader = new StringReader(script);
        ioBean = new ScriptIOBean(inputs, output);
        engine.put("ioBean", ioBean);
        ioBean.println("Starting test...");
        engine.eval(reader, engine.getContext());
        ioBean.println("Finished test...");
    } catch (ScriptException e) {
        throw new ScriptException(e.getMessage(), scriptName, e.getLineNumber(), e.getColumnNumber());
    } finally {
        IOUtils.closeQuietly(reader);
    }
    return ioBean;
}

From source file:org.ms123.common.utils.UtilsServiceImpl.java

public Object executeScript(String scriptName, String namespace, String user, Map params) throws Exception {
    System.out.println("UtilsServiceImpl.executeScript:" + params);
    String storeId = (String) params.get("storeId");
    StoreDesc sdesc = StoreDesc.get(storeId);
    namespace = sdesc.getNamespace();/*from  w  w w . j av a  2s .  c o  m*/
    System.out.println("UtilsServiceImpl.namespace:" + sdesc + "/" + namespace);
    ScriptEngine se = m_scriptEngineService.getEngineByName("groovy");
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    se.getContext().setWriter(pw);
    Bindings b = se.createBindings();
    b.putAll(params);
    b.put("jdo", m_dataLayer);
    b.put("ws", lookupServiceByName("org.ms123.common.workflow.api.WorkflowService"));
    b.put("ss", lookupServiceByName("org.ms123.common.setting.api.SettingService"));
    b.put("et", lookupServiceByName("org.ms123.common.entity.api.EntityService"));
    b.put("storeDesc", sdesc);
    b.put("home", System.getProperty("simpl4.dir"));
    b.put("log", m_logger);
    b.put("user", user);
    b.put("namespace", namespace);
    se.setBindings(b, ScriptContext.ENGINE_SCOPE);
    b.put("se", se);
    Object r = "";
    FileReader fr = getScriptFile(namespace, scriptName);
    r = se.eval(fr);
    System.out.println("r:" + r);
    pw.close();
    m_logger.info("executeScript:" + sw);
    System.out.println("executeScript:" + sw);
    return null;
}

From source file:org.apache.camel.builder.script.ScriptBuilder.java

protected void populateBindings(ScriptEngine engine, Exchange exchange) {
    ScriptContext context = engine.getContext();
    int scope = ScriptContext.ENGINE_SCOPE;
    context.setAttribute("context", exchange.getContext(), scope);
    context.setAttribute("exchange", exchange, scope);
    context.setAttribute("request", exchange.getIn(), scope);
    if (exchange.hasOut()) {
        context.setAttribute("response", exchange.getOut(), scope);
    }/*  w  w w. ja  v a  2 s.c  o  m*/
}