Example usage for javax.script ScriptEngine put

List of usage examples for javax.script ScriptEngine put

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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:it.delli.mwebc.command.impl.EventCommand.java

public void execute(Page page, JsonObject data) {
    String eventName = data.get("event").getAsString();
    String eventType = data.get("eventType").getAsString();
    String method = data.get("forward").getAsString();
    Widget widget = null;//from ww  w  .  ja  v a2  s  .  c  o  m
    EventListener eventListener = null;
    if (data.get("id") != null) {
        widget = page.getWidget(data.get("id").getAsString());
        eventListener = widget.getEventListener(eventName);
    } else {
        eventListener = page.getEventListener();
    }
    Class eventTypeClass = page.getApplication().getEventClass(eventType);
    Event event = null;
    try {
        event = (Event) eventTypeClass.getConstructor(String.class, Widget.class, JsonObject.class)
                .newInstance(eventName, widget, data.get("data").getAsJsonObject());
    } catch (Exception e) {
        log.error("Exception in creating event instance for event type " + eventType);
    }
    ;
    event.setPage(page);
    // bind widgets
    ReflectionUtils.bindWidgets(eventListener, page);
    //
    Method forwardMethod = null;
    if (eventListener instanceof PageEventListener && page.getWidget(method) != null) {
        try {
            it.delli.mwebc.widget.Method widgetMethod = (it.delli.mwebc.widget.Method) page.getWidget(method);
            ScriptEngineManager factory = new ScriptEngineManager();
            ScriptEngine engine = factory.getEngineByName("groovy");
            engine.put("eventListener", null);
            engine.eval(widgetMethod.getScript());
            eventListener = (EventListener) engine.get("eventListener");
            forwardMethod = eventListener.getClass().getMethod(method, Event.class);
            forwardMethod.setAccessible(true);
        } catch (Exception e) {
            log.error("Exception in getting method to execute", e);
        }
    } else {
        try {
            forwardMethod = eventListener.getClass().getMethod(method, Event.class);
            forwardMethod.setAccessible(true);
        } catch (Exception e) {
            log.error("Exception in getting method to execute", e);
        }
    }
    if (forwardMethod != null) {
        if (event.getWidget() != null) {
            log.info("Executing forward method " + eventListener.getClass().getName() + "."
                    + forwardMethod.getName() + " for event " + event.getName() + " on widget "
                    + event.getWidget().getClass().getName() + " (" + event.getWidget().getId() + ")");
        } else {
            log.info("Executing forward method " + eventListener.getClass().getName() + "."
                    + forwardMethod.getName() + " for event " + event.getName());
        }
        try {
            forwardMethod.invoke(eventListener, event);
        } catch (Exception e) {
            if (event.getWidget() != null) {
                log.error("Exception in executing of forward method " + eventListener.getClass().getName() + "."
                        + forwardMethod.getName() + " for event " + event.getName() + " on widget "
                        + event.getWidget().getClass().getName() + " (" + event.getWidget().getId() + ")", e);
            } else {
                log.error("Exception in executing of forward method " + eventListener.getClass().getName() + "."
                        + forwardMethod.getName() + " for event " + event.getName(), e);
            }
            log.error("Exception in forward method execution", e);
        }
    } else {
        log.info("Forward method does not exist in event listener " + eventListener.getClass().getName()
                + " for event " + event.getName());
        log.info("Notifying end of failed execution for event " + event.getName());
    }
}

From source file:org.jdto.mergers.ScriptMerger.java

private Object doMergeObjects(Object value, String[] extraParam) {
    String script = extractScript(extraParam);
    ScriptEngine engine = initializeScriptEngine(extraParam);

    //populate local variables
    engine.put("sourceValue", value);

    //if the value is a list then, just make it available as sourceValues
    if (value instanceof List) {
        engine.put("sourceValues", value);
    }/*from   w  ww.  jav  a2s.  c  o  m*/

    //try to execute the script.
    return executeScript(engine, script);
}

From source file:org.archive.modules.deciderules.ScriptedDecideRule.java

/**
 * Create a new ScriptEngine instance, preloaded with any supplied
 * source file and the variables 'self' (this ScriptedDecideRule) 
 * and 'context' (the ApplicationContext). 
 * /*  w w  w .j a v a 2  s  .  co  m*/
 * @return  the new Interpreter instance
 */
protected ScriptEngine newEngine() {
    ScriptEngine interpreter = new ScriptEngineManager().getEngineByName(engineName);

    interpreter.put("self", this);
    interpreter.put("context", appCtx);

    Reader reader = null;
    try {
        reader = getScriptSource().obtainReader();
        interpreter.eval(reader);
    } catch (ScriptException e) {
        logger.log(Level.SEVERE, "script problem", e);
    } finally {
        IOUtils.closeQuietly(reader);
    }

    return interpreter;
}

From source file:com.mgmtp.jfunk.core.scripting.ScriptExecutor.java

private void initScriptProperties(final ScriptEngine se, final Properties properties) {
    for (String name : properties.stringPropertyNames()) {
        se.put(name, properties.getProperty(name));
    }/*from   w w  w  . jav a2  s . co  m*/
}

From source file:com.seajas.search.profiler.validator.ModifierValidator.java

/**
 * Validate the given command object./*from w ww .  java  2s  .  co  m*/
 * 
 * @param command
 * @param errors
 */
@Override
public void validate(final Object command, final Errors errors) {
    ModifierCommand modifier = (ModifierCommand) command;

    if (modifier.getAction() != null
            && (modifier.getAction().equals("add") || modifier.getAction().equals("edit"))) {
        if (StringUtils.isEmpty(modifier.getUrlExpression()))
            errors.rejectValue("urlExpression", "modifiers.validator.error.url.expression.empty");
        else
            try {
                Pattern.compile(modifier.getUrlExpression());
            } catch (PatternSyntaxException e) {
                errors.rejectValue("urlExpression", "modifiers.validator.error.url.expression.invalid");
            }

        if (StringUtils.isEmpty(modifier.getUrlType()))
            errors.rejectValue("urlType", "modifiers.validator.error.url.type.empty");
    } else if (modifier.getFilterAction() != null && (modifier.getFilterAction().equals("add-filter")
            || modifier.getFilterAction().equals("edit-filter"))) {
        if (StringUtils.isEmpty(modifier.getFilterStart()))
            errors.rejectValue("filterStart", "modifiers.validator.error.filter.start.empty");
        else if (modifier.getFilterAsExpression())
            try {
                Pattern.compile(modifier.getFilterStart());
            } catch (PatternSyntaxException e) {
                errors.rejectValue("filterStart", "modifiers.validator.error.filter.start.invalid");
            }

        if (StringUtils.isEmpty(modifier.getFilterEnd()))
            errors.rejectValue("filterEnd", "modifiers.validator.error.filter.end.empty");
        else if (modifier.getFilterAsExpression())
            try {
                Pattern.compile(modifier.getFilterEnd());
            } catch (PatternSyntaxException e) {
                errors.rejectValue("filterEnd", "modifiers.validator.error.filter.end.invalid");
            }
    } else if (modifier.getScriptAction() != null && (modifier.getScriptAction().equals("add-script")
            || modifier.getScriptAction().equals("edit-script"))) {
        if (StringUtils.isEmpty(modifier.getScriptLanguage()))
            errors.rejectValue("scriptLanguage", "modifiers.validator.error.script.language.invalid");

        if (StringUtils.isEmpty(modifier.getScriptContent()))
            errors.rejectValue("scriptContent", "modifiers.validator.error.script.content.empty");
        else {
            if (modifier.getScriptLanguage().equalsIgnoreCase("xslt")) {
                StreamSource source = new StreamSource(new StringReader(modifier.getScriptContent()));

                try {
                    TransformerFactory.newInstance().newTransformer(source);
                } catch (Exception e) {
                    errors.rejectValue("scriptContent",
                            "modifiers.validator.error.script.content.invalid.transformation");
                }
            } else {
                ScriptEngineManager engineManager = new ScriptEngineManager();
                ScriptEngine engine = engineManager.getEngineByName(modifier.getScriptLanguage().toLowerCase());

                engine.put("input", "");
                engine.put("inputUrl", "");
                engine.put("inputMaximumContentLength", 0L);

                try {
                    engine.eval(modifier.getScriptContent());
                } catch (ScriptException e) {
                    errors.rejectValue("scriptContent",
                            "modifiers.validator.error.script.content.syntax.error");

                    logger.warn("Script validation failed", e);
                }
            }
        }
    }
}

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

private void provideWrappedWebDriver(ScriptEngine engine, Browser browser) {
    if (browser instanceof SeleniumBrowser) {
        SeleniumBrowser seleniumBrowser = (SeleniumBrowser) browser;
        engine.put("driver", new WebDriverWrapper(seleniumBrowser.getDriver()));
    }//from www . ja v  a  2s  .c  om

}

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

@Override
protected void start() {
    String importStatements = getComponent().get(IMPORTS);
    String initScript = getComponent().get(INIT_SCRIPT);
    String handleMessageScript = getComponent().get(HANDLE_SCRIPT);
    String methods = getComponent().get(METHODS);
    String onSuccess = getComponent().get(ON_FLOW_SUCCESS);
    String onError = getComponent().get(ON_FLOW_ERROR);

    ScriptEngineManager factory = new ScriptEngineManager();
    ScriptEngine engine = factory.getEngineByName("groovy");

    engine.put("component", this);
    StringBuilder script = new StringBuilder();
    try {/*from  w ww . j  av a2s  .  c  o  m*/
        script.append(String.format("import %s;\n", ISendMessageCallback.class.getName()));
        script.append(String.format("import %s;\n", File.class.getName()));
        script.append(String.format("import %s;\n", FileUtils.class.getName()));
        script.append(String.format("import static %s.*;\n", FileUtils.class.getName()));
        script.append(String.format("import %s.*;\n", Message.class.getPackage().getName()));
        script.append(String.format("import %s;\n", ScriptHelper.class.getName()));
        script.append(String.format("import %s;\n", EntityDataMessage.class.getName()));
        script.append(String.format("import %s;\n", TextMessage.class.getName()));
        script.append(String.format("import %s;\n", ControlMessage.class.getName()));
        script.append(String.format("import %s;\n", BinaryMessage.class.getName()));
        script.append(String.format("import %s;\n", MisconfiguredException.class.getName()));
        script.append(String.format("import %s;\n", AssertException.class.getName()));
        script.append(
                String.format("import %s.%s;\n", EntityData.class.getName(), ChangeType.class.getSimpleName()));
        script.append("import org.jumpmind.db.sql.*;\n");
        if (isNotBlank(importStatements)) {
            script.append(importStatements);
        }
        script.append("\n");
        script.append(String.format("helper = new %1$s(component) { \n", ScriptHelper.class.getSimpleName()));

        if (isNotBlank(methods)) {
            script.append("\n");
            script.append(String.format("%s\n", methods));
        }

        if (isNotBlank(initScript)) {
            script.append("\n");
            script.append(String.format(" protected void onInit() { %s \n} \n", initScript));
        }
        if (isNotBlank(handleMessageScript)) {
            script.append("\n");
            script.append(String.format(" protected void onHandle() { %s \n} \n", handleMessageScript));
        }
        if (isNotBlank(onSuccess)) {
            script.append("\n");
            script.append(String.format(" protected void onSuccess() { %s \n} \n", onSuccess));
        }
        if (isNotBlank(onError)) {
            script.append("\n");
            script.append(String.format(" protected void onError(Throwable myError) { %s \n} \n", onError));
        }
        script.append("\n};\n");

        log(LogLevel.DEBUG, script.toString());
        script.append("helper.onInit();");
        engine.eval(script.toString());
        this.engine = engine;
    } catch (ScriptException e) {
        Throwable rootCause = ExceptionUtils.getRootCause(e);
        if (rootCause != null) {
            if (rootCause instanceof RuntimeException) {
                throw (RuntimeException) rootCause;
            } else {
                throw new RuntimeException(rootCause);
            }
        } else {
            throw new RuntimeException(e);
        }
    }
}

From source file:org.siphon.db2js.DbjsRunner.java

protected void initEngineContext(JsEngineHandlerContext engineContext, HttpServletRequest request,
        HttpServletResponse response) throws IOException {
    ScriptEngine engine = engineContext.getScriptEngine();
    engine.put("request", request);
    engine.put("response", response);
    engine.put("session", JsServlet.getJsSesson(request.getSession()));
    engine.put("dbjsRunner", this);

    JsspWriter out = new JsspWriter(response, engineContext);
    engine.put("out", out);
}

From source file:io.stallion.dataAccess.db.SqlMigrationAction.java

@Override
public void execute(SqlMigrateCommandOptions options) throws Exception {
    createMigrationTrackingTableIfNotExists();
    // Get a ticket to make sure the tickets table is operational
    Long nonce = DB.instance().getTickets().nextId();
    DB db = DB.instance();//from  ww  w. jav a2s.  c o  m
    for (SqlMigration migration : findNotRunMigrations()) {
        Log.info("Run migration app:" + migration.getAppName() + " file:" + migration.getFilename());
        if (migration.isJavascript()) {
            ScriptEngine engine = getOrCreateScriptEngine();
            ;
            engine.put("db", db);
            engine.eval("load(" + JSON.stringify(map(val("script", transformJavascript(migration.getSource())),
                    val("name", migration.getFilename()))) + ");");
        } else {
            db.execute(migration.getSource());

        }
        db.execute(
                "INSERT INTO stallion_sql_migrations (versionNumber, appName, fileName, executedAt) VALUES(?, ?, ?, UTC_TIMESTAMP())",
                migration.getVersionNumber(), migration.getAppName(), migration.getFilename());
    }
}

From source file:org.siphon.db2js.DbjsUnitManager.java

@Override
protected JsEngineHandlerContext createEngineContext(String srcFile, String aliasPath, DataSource dataSource,
        final Map<String, Object> otherArgs) throws Exception {
    ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");

    JsEngineUtil.initEngine(engine, (Object[]) otherArgs.get("jslib"));

    File path = new File(srcFolder);

    engine.put("logger", logger);
    engine.put("dataSource", dataSource);
    engine.put("application", otherArgs.get("application"));
    //  js ??? java 
    if (otherArgs.get("preloadJs") != null) {
        String[] preloadJs = (String[]) otherArgs.get("preloadJs"); // [abs path, alias]
        logger.info("evaluate preload js: " + preloadJs[0]);
        JsEngineUtil.eval(engine, preloadJs[0], preloadJs[1],
                FileUtils.readFileToString(new File(preloadJs[0]), "utf-8"), true, false);
    }//from ww  w  .  j  ava  2 s  .c  om

    File src = new File(srcFile);
    String code = FileUtils.readFileToString(src, "utf-8");
    String covertedCode = this.convertCode(code, src);
    File tmp = new File(srcFile + ".converted.js");
    FileUtils.write(tmp, covertedCode, "utf-8");
    if (logger.isDebugEnabled())
        logger.debug(srcFile + " converted as " + tmp.getAbsolutePath());

    JsEngineUtil.eval(engine, srcFile, aliasPath, covertedCode, false, true);

    JsEngineHandlerContext ctxt = new JsEngineHandlerContext();
    ctxt.setScriptEngine(engine);
    ctxt.setHandler((ScriptObjectMirror) engine.eval("dbjs"));
    ctxt.setJson(new JSON(engine)); // jdk has a NativeJSON class inside but
    // it's sealed
    ctxt.setJsTypeUtil(new JsTypeUtil(engine));

    return ctxt;
}