Example usage for javax.script ScriptEngineManager ScriptEngineManager

Introduction

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

Prototype

public ScriptEngineManager() 

Source Link

Document

The effect of calling this constructor is the same as calling ScriptEngineManager(Thread.currentThread().getContextClassLoader()).

Usage

From source file:de.ingrid.mdek.mapping.ScriptImportDataMapper.java

/**
 * Get the script engine (JavaScript). It returns always the same instance once initialized.
 * //  www .j  av  a2 s.  c  o  m
 * @return script engine.
 */
protected ScriptEngine getScriptEngine() {
    if (engine == null) {
        ScriptEngineManager manager = new ScriptEngineManager();
        engine = manager.getEngineByName("JavaScript");
    }
    return engine;
}

---

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);//  www  . j  a  v  a 2 s . co 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);
    }
}

---

From source file:org.metamorphosis.core.ModuleManager.java

public Object buildAction(String url) throws Exception {
    Module module = getCurrentModule();/*from   w  ww  . jav a 2 s. c om*/
    if (module != null) {
        Action action = module.getAction(url);
        if (action != null && action.getScript() != null) {
            File script = new File(module.getFolder() + "/scripts/" + action.getScript());
            if (script.exists()) {
                String name = script.getName();
                String extension = name.substring(name.indexOf(".") + 1);
                ScriptEngine engine = new ScriptEngineManager().getEngineByExtension(extension);
                return engine.eval(new FileReader(script));
            }
        }
    }
    return null;
}

---

From source file:com.tc.websocket.scripts.Script.java

/**
 * Prints the engines.//from w w  w  .j a v  a  2  s  .  c  o m
 */
public static void printEngines() {
    ScriptEngineManager manager = new ScriptEngineManager();
    List<ScriptEngineFactory> engines = manager.getEngineFactories();
    for (ScriptEngineFactory engine : engines) {
        System.out.println(engine.getEngineName());
    }
}

---

From source file:com.intuit.karate.Script.java

public static ScriptValue evalInNashorn(String exp, ScriptContext context, ScriptValue selfValue,
        ScriptValue parentValue) {/*from w w  w.  j  av  a 2 s .  com*/
    ScriptEngineManager manager = new ScriptEngineManager();
    ScriptEngine nashorn = manager.getEngineByName("nashorn");
    Bindings bindings = nashorn.getBindings(javax.script.ScriptContext.ENGINE_SCOPE);
    if (context != null) {
        Map<String, Object> map = context.getVariableBindings();
        for (Map.Entry<String, Object> entry : map.entrySet()) {
            bindings.put(entry.getKey(), entry.getValue());
        }
        bindings.put(ScriptContext.KARATE_NAME, new ScriptBridge(context));
    }
    if (selfValue != null) {
        bindings.put(VAR_SELF, selfValue.getValue());
    }
    if (parentValue != null) {
        bindings.put(VAR_DOLLAR, parentValue.getAfterConvertingFromJsonOrXmlIfNeeded());
    }
    try {
        Object o = nashorn.eval(exp);
        ScriptValue result = new ScriptValue(o);
        logger.trace("nashorn returned: {}", result);
        return result;
    } catch (Exception e) {
        throw new RuntimeException("script failed: " + exp, e);
    }
}

---

From source file:org.wso2.carbon.event.template.manager.core.internal.util.TemplateManagerHelper.java

/**
 * Create a JavaScript engine packed with given scripts. If two scripts have methods with same name,
 * later method will override the previous method.
 *
 * @param domain//from  w ww. j av  a  2  s.co m
 * @return JavaScript engine
 * @throws TemplateDeploymentException if there are any errors in JavaScript evaluation
 */
public static ScriptEngine createJavaScriptEngine(Domain domain) throws TemplateDeploymentException {

    ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
    ScriptEngine scriptEngine = scriptEngineManager
            .getEngineByName(TemplateManagerConstants.JAVASCRIPT_ENGINE_NAME);

    if (scriptEngine == null) {
        // Exception will be thrown later, only if function calls are used in the template
        log.warn("JavaScript engine is not available. Function calls in the templates cannot be evaluated");
    } else {
        if (domain != null && domain.getScripts() != null && domain.getScripts().getScript() != null) {
            Path scriptDirectory = Paths.get(TemplateManagerConstants.TEMPLATE_SCRIPT_PATH);
            if (Files.exists(scriptDirectory, LinkOption.NOFOLLOW_LINKS)
                    && Files.isDirectory(scriptDirectory)) {
                for (Script script : domain.getScripts().getScript()) {
                    String src = script.getSrc();
                    String content = script.getContent();
                    if (src != null) {
                        // Evaluate JavaScript file
                        Path scriptFile = scriptDirectory.resolve(src).normalize();
                        if (Files.exists(scriptFile, LinkOption.NOFOLLOW_LINKS)
                                && Files.isReadable(scriptFile)) {
                            if (!scriptFile.startsWith(scriptDirectory)) {
                                // The script file is not in the permitted directory
                                throw new TemplateDeploymentException("Script file "
                                        + scriptFile.toAbsolutePath() + " is not in the permitted directory "
                                        + scriptDirectory.toAbsolutePath());
                            }
                            try {
                                scriptEngine
                                        .eval(Files.newBufferedReader(scriptFile, Charset.defaultCharset()));
                            } catch (ScriptException e) {
                                throw new TemplateDeploymentException("Error in JavaScript "
                                        + scriptFile.toAbsolutePath() + ": " + e.getMessage(), e);
                            } catch (IOException e) {
                                throw new TemplateDeploymentException(
                                        "Error in reading JavaScript file: " + scriptFile.toAbsolutePath());
                            }
                        } else {
                            throw new TemplateDeploymentException("JavaScript file not exist at: "
                                    + scriptFile.toAbsolutePath() + " or not readable.");
                        }
                    }
                    if (content != null) {
                        // Evaluate JavaScript content
                        try {
                            scriptEngine.eval(content);
                        } catch (ScriptException e) {
                            throw new TemplateDeploymentException(
                                    "JavaScript declared in " + domain.getName() + " has error", e);
                        }
                    }
                }
            } else {
                log.warn("Script directory not found at: " + scriptDirectory.toAbsolutePath());
            }
        }
    }

    return scriptEngine;
}

---

From source file:de.tor.tribes.ui.components.GroupSelectionList.java

private List<Village> getVillagesByEquation() {
    StringBuilder b = new StringBuilder();
    boolean isFirst = true;
    List<Tag> relevantTags = new LinkedList<>();
    for (int i = 1; i < getModel().getSize(); i++) {
        ListItem item = getItemAt(i);/*from  w  w w.java 2 s.  com*/
        boolean ignore = false;
        if (!isFirst) {
            switch (item.getState()) {
            case NOT:
                b.append(" && !");
                break;
            case AND:
                b.append(" && ");
                break;
            case OR:
                b.append(" || ");
                break;
            default:
                ignore = true;
            }
        } else {
            if (item.getState() == ListItem.RELATION_TYPE.DISABLED) {//ignore
                ignore = true;
            } else if (item.getState() == ListItem.RELATION_TYPE.NOT) {//NOT Tag 1
                b.append("!");
                isFirst = false;
            } else {
                isFirst = false;
            }
        }

        if (!ignore) {
            b.append(item.getTag().toString()).append(" ");
            relevantTags.add(item.getTag());
        }
    }

    ScriptEngineManager factory = new ScriptEngineManager();
    ScriptEngine engine = factory.getEngineByName("JavaScript");
    String baseEquation = b.toString();

    List<Village> result = new LinkedList<>();
    try {
        if (relevantVillages == null) {
            relevantVillages = GlobalOptions.getSelectedProfile().getTribe().getVillageList();
        }
        for (Village v : relevantVillages) {
            String evaluationEquation = baseEquation;
            for (Tag tag : relevantTags) {
                evaluationEquation = evaluationEquation.replaceFirst(Pattern.quote(tag.toString()),
                        Boolean.toString(tag.tagsVillage(v.getId())));
            }
            engine.eval("var b = eval(\"" + evaluationEquation + "\")");
            if ((Boolean) engine.get("b")) {
                result.add(v);
            }
        }
    } catch (Exception e) {
        //no result
    }
    return result;
}

---

From source file:com.esri.gpt.catalog.search.SearchEngineRest.java

@Override
public void doSearch() throws SearchException {
    Exception ex = null;/*  w w  w .j a va 2  s .  co  m*/

    try {
        URI uri = this.getConnectionUri();
        URL url = uri.toURL();
        HttpClientRequest clientRequest = HttpClientRequest.newRequest(HttpClientRequest.MethodName.GET,
                url.toExternalForm());
        clientRequest.setConnectionTimeMs(getConnectionTimeoutMs());
        clientRequest.setResponseTimeOutMs(getResponseTimeoutMs());

        Map map = (Map) this.getRequestContext().extractFromSession(SEARCH_CREDENTIAL_MAP);
        if (map != null) {
            CredentialProvider credProvider = (CredentialProvider) map.get(this.getKey());
            if (credProvider != null) {
                clientRequest.setCredentialProvider(credProvider);
            }
        }

        clientRequest.execute();
        String response = clientRequest.readResponseAsCharacters();
        InputStream is = null;
        try {
            SearchXslProfile profile = this.readXslProfile();
            String js = Val.chkStr(profile.getResponsexslt());
            //String js = Val.chkStr(this.getFactoryAttributes().get("searchResponseJsT"));
            String xml = null;
            if (js.toLowerCase().endsWith(".js")) {
                try {
                    ResourcePath rPath = new ResourcePath();
                    URL fileUrl = rPath.makeUrl(js);
                    is = fileUrl.openStream();
                    String jsTransFile = IOUtils.toString(is, "UTF-8");
                    jsTransFile = "var jsGptInput =" + response + ";" + jsTransFile;
                    HttpServletRequest servletRequest = (HttpServletRequest) this.getRequestContext()
                            .getServletRequest();
                    if (servletRequest != null) {
                        jsTransFile = "var jsGptQueryString = '" + servletRequest.getQueryString() + "';"
                                + jsTransFile;
                    }
                    jsTransFile = "var jsGptEndpointSearchQuery = '" + url.toExternalForm() + "';"
                            + jsTransFile;
                    ScriptEngineManager manager = new ScriptEngineManager();
                    ScriptEngine engine = manager.getEngineByName("JavaScript");
                    //manager.put("jsGptInput", response);
                    Object obj = engine.eval(jsTransFile);
                    xml = obj.toString();
                    parseResponse(xml);// has to work before the finally. dont move
                } catch (Exception e) {
                    throw new SearchException(
                            e.getMessage() + ":" + "Error when doing transformation from javascript", e);
                }
            } else {
                xml = XmlIoUtil.jsonToXml(response, "gptJsonXml");
                parseResponse(xml);
            }

            checkPagination();
        } catch (SearchException e) {
            throw e;
        } catch (Exception e) {
            parseResponse(response);
            checkPagination();
        } finally {
            if (is != null) {
                IOUtils.closeQuietly(is);
            }
        }

    } catch (MalformedURLException e) {
        ex = e;
    } catch (IOException e) {
        ex = e;
    } finally {

    }
    if (ex != null) {
        throw new SearchException(ex.getMessage() + ": Could not perform search", ex);
    }
}

---

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

public static ScriptEngine newEngine() {
    ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");
    initEngine(engine, new Object[] {});
    return engine;
}

---

From source file:reactor.js.core.json.Microbench.java

@Setup
public void init() throws ScriptException, JsonParseException, JsonMappingException, IOException {

    scriptEngine = new ScriptEngineManager().getEngineByName("nashorn");
    scriptEngine.put("json", json);
    scriptEngine.put("Object_class", Object.class);
    scriptEngine.put("largeJson", largeJson);
    scriptEngine.put("mapper", mapper);
    scriptEngine.eval("var REACTOR = Java.type('reactor.js.core.json.JsonFunctions');");
    scriptEngine.eval("var JACKSON = Java.type('com.pivotal.cf.mobile.ats.json.JsonFunctions');");
    scriptEngine.eval(//from   w  w  w  . j av a  2s.c o m
            "var jsObj = [{date: new Date(),integer:1,float:1.01,boolean:true,obj:{str:'foobar'},arr:[true,false,null,undefined]}];");
    scriptEngine.eval("var mecObj = JSON.parse(largeJson)");
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• »