Example usage for javax.script ScriptContext ENGINE_SCOPE

Introduction

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

Prototype

int ENGINE_SCOPE

To view the source code for javax.script ScriptContext ENGINE_SCOPE.

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Document

EngineScope attributes are visible during the lifetime of a single ScriptEngine and a set of attributes is maintained for each engine.

Usage

From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngine.java

/**
 * Creates the {@code ScriptContext} using a {@link GremlinScriptContext} which avoids a significant amount of
 * additional object creation on script evaluation.
 */// w  w  w . j  ava 2  s .  co m
@Override
protected ScriptContext getScriptContext(final Bindings nn) {
    final GremlinScriptContext ctxt = new GremlinScriptContext(context.getReader(), context.getWriter(),
            context.getErrorWriter());
    final Bindings gs = getBindings(ScriptContext.GLOBAL_SCOPE);

    if (gs != null)
        ctxt.setBindings(gs, ScriptContext.GLOBAL_SCOPE);

    if (nn != null) {
        ctxt.setBindings(nn, ScriptContext.ENGINE_SCOPE);
    } else {
        throw new NullPointerException("Engine scope Bindings may not be null.");
    }

    return ctxt;
}

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

protected ScriptEngine createScriptEngine() {
    ScriptEngineManager manager = new ScriptEngineManager();
    try {//from ww w. ja v  a 2s  .c  o m
        engine = manager.getEngineByName(scriptEngineName);
    } catch (NoClassDefFoundError ex) {
        LOG.error("Cannot load the scriptEngine for " + scriptEngineName + ", the exception is " + ex
                + ", please ensure correct JARs is provided on classpath.");
    }
    if (engine == null) {
        throw new IllegalArgumentException("No script engine could be created for: " + getScriptEngineName());
    }
    if (isPython()) {
        ScriptContext context = engine.getContext();
        context.setAttribute("com.sun.script.jython.comp.mode", "eval", ScriptContext.ENGINE_SCOPE);
    }
    return engine;
}

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From source file:org.jahia.osgi.FrameworkService.java

private void updateFileReferencesIfNeeded() {
    File script = new File(
            SettingsBean.getInstance().getJahiaVarDiskPath() + "/scripts/groovy/updateFileReferences.groovy");
    if (!script.isFile()) {
        return;/*from   ww  w  . ja va  2s  .  co m*/
    }

    ScriptEngine scriptEngine;
    try {
        scriptEngine = ScriptEngineUtils.getInstance()
                .scriptEngine(FilenameUtils.getExtension(script.getName()));
    } catch (ScriptException e) {
        throw new JahiaRuntimeException(e);
    }
    if (scriptEngine == null) {
        throw new IllegalStateException("No script engine available");
    }

    ScriptContext scriptContext = new SimpleScriptContext();
    Bindings bindings = new SimpleBindings();
    bindings.put("log", logger);
    bindings.put("logger", logger);
    scriptContext.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
    try (FileInputStream scriptInputStream = new FileInputStream(script);
            InputStreamReader scriptReader = new InputStreamReader(scriptInputStream, Charsets.UTF_8);
            StringWriter out = new StringWriter()) {
        scriptContext.setWriter(out);
        scriptEngine.eval(scriptReader, scriptContext);
    } catch (ScriptException | IOException e) {
        throw new JahiaRuntimeException(e);
    }
}

---

From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngine.java

/**
 * {@inheritDoc}//from w  w  w.  j a va2s .  c om
 */
@Override
public Object eval(final String script, final ScriptContext context) throws ScriptException {
    try {
        final String val = (String) context.getAttribute(KEY_REFERENCE_TYPE, ScriptContext.ENGINE_SCOPE);
        ReferenceBundle bundle = ReferenceBundle.getHardBundle();
        if (val != null && val.length() > 0) {
            if (val.equalsIgnoreCase(REFERENCE_TYPE_SOFT)) {
                bundle = ReferenceBundle.getSoftBundle();
            } else if (val.equalsIgnoreCase(REFERENCE_TYPE_WEAK)) {
                bundle = ReferenceBundle.getWeakBundle();
            } else if (val.equalsIgnoreCase(REFERENCE_TYPE_PHANTOM)) {
                bundle = ReferenceBundle.getPhantomBundle();
            }
        }
        globalClosures.setBundle(bundle);
    } catch (ClassCastException cce) {
        /*ignore.*/ }

    try {
        registerBindingTypes(context);
        final Class clazz = getScriptClass(script);
        if (null == clazz)
            throw new ScriptException("Script class is null");
        return eval(clazz, context);
    } catch (Exception e) {
        throw new ScriptException(e);
    }
}

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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);
    }//from   w w w.j a  va  2 s. c  o m
}

---

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

public static Object getGlobal(ScriptEngine engine) {
    ScriptContext context = engine.getContext();
    ScriptObjectMirror binding = (ScriptObjectMirror) context.getBindings(ScriptContext.ENGINE_SCOPE);
    Field globalField = null;//from   w  w  w  .java2  s .c o m
    try {
        globalField = ScriptObjectMirror.class.getDeclaredField("global");
        globalField.setAccessible(true);
        Object global = globalField.get(binding);
        return global;
    } catch (NoSuchFieldException e) {
    } catch (SecurityException e) {
    } catch (IllegalArgumentException e) {
    } catch (IllegalAccessException e) {
    }
    return null;
}

---

From source file:org.nuxeo.ecm.core.io.download.DownloadServiceImpl.java

@Override
public boolean checkPermission(DocumentModel doc, String xpath, Blob blob, String reason,
        Map<String, Serializable> extendedInfos) {
    List<DownloadPermissionDescriptor> descriptors = registry.getDownloadPermissionDescriptors();
    if (descriptors.isEmpty()) {
        return true;
    }//from www .  j  a  v a  2 s  .  c o m
    xpath = fixXPath(xpath);
    Map<String, Object> context = new HashMap<>();
    Map<String, Serializable> ei = extendedInfos == null ? Collections.emptyMap() : extendedInfos;
    NuxeoPrincipal currentUser = ClientLoginModule.getCurrentPrincipal();
    context.put("Document", doc);
    context.put("XPath", xpath);
    context.put("Blob", blob);
    context.put("Reason", reason);
    context.put("Infos", ei);
    context.put("Rendition", ei.get("rendition"));
    context.put("CurrentUser", currentUser);
    for (DownloadPermissionDescriptor descriptor : descriptors) {
        ScriptEngine engine = scriptEngineManager.getEngineByName(descriptor.getScriptLanguage());
        if (engine == null) {
            throw new NuxeoException("Engine not found for language: " + descriptor.getScriptLanguage()
                    + " in permission: " + descriptor.getName());
        }
        if (!(engine instanceof Invocable)) {
            throw new NuxeoException("Engine " + engine.getClass().getName() + " not Invocable for language: "
                    + descriptor.getScriptLanguage() + " in permission: " + descriptor.getName());
        }
        Object result;
        try {
            engine.eval(descriptor.getScript());
            engine.getBindings(ScriptContext.ENGINE_SCOPE).putAll(context);
            result = ((Invocable) engine).invokeFunction(RUN_FUNCTION);
        } catch (NoSuchMethodException e) {
            throw new NuxeoException("Script does not contain function: " + RUN_FUNCTION + "() in permission: "
                    + descriptor.getName(), e);
        } catch (ScriptException e) {
            log.error("Failed to evaluate script: " + descriptor.getName(), e);
            continue;
        }
        if (!(result instanceof Boolean)) {
            log.error("Failed to get boolean result from permission: " + descriptor.getName() + " (" + result
                    + ")");
            continue;
        }
        boolean allow = ((Boolean) result).booleanValue();
        if (!allow) {
            return false;
        }
    }
    return true;
}

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From source file:org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.DataFactoryScriptingSupport.java

public void initialize(final DataFactory dataFactory, final DataFactoryContext dataFactoryContext)
        throws ReportDataFactoryException {
    if (globalScriptContext != null) {
        return;/*from  ww  w  . j  av  a  2  s. c  o  m*/
    }

    this.dataFactory = dataFactory;
    this.resourceManager = dataFactoryContext.getResourceManager();
    this.contextKey = dataFactoryContext.getContextKey();
    this.configuration = dataFactoryContext.getConfiguration();
    this.resourceBundleFactory = dataFactoryContext.getResourceBundleFactory();
    this.dataFactoryContext = dataFactoryContext;

    globalScriptContext = new SimpleScriptContext();
    globalScriptContext.setAttribute("dataFactory", dataFactory, ScriptContext.ENGINE_SCOPE);
    globalScriptContext.setAttribute("configuration", configuration, ScriptContext.ENGINE_SCOPE);
    globalScriptContext.setAttribute("resourceManager", resourceManager, ScriptContext.ENGINE_SCOPE);
    globalScriptContext.setAttribute("contextKey", contextKey, ScriptContext.ENGINE_SCOPE);
    globalScriptContext.setAttribute("resourceBundleFactory", resourceBundleFactory,
            ScriptContext.ENGINE_SCOPE);

    if (StringUtils.isEmpty(globalScriptLanguage)) {
        return;
    }

    globalScriptContext.setAttribute("scriptHelper",
            new ScriptHelper(globalScriptContext, globalScriptLanguage, resourceManager, contextKey),
            ScriptContext.ENGINE_SCOPE);

    final ScriptEngine maybeInvocableEngine = new ScriptEngineManager().getEngineByName(globalScriptLanguage);
    if (maybeInvocableEngine == null) {
        throw new ReportDataFactoryException(String.format(
                "DataFactoryScriptingSupport: Failed to locate scripting engine for language '%s'.",
                globalScriptLanguage));
    }
    if (maybeInvocableEngine instanceof Invocable == false) {
        return;
    }
    this.globalScriptEngine = (Invocable) maybeInvocableEngine;

    maybeInvocableEngine.setContext(globalScriptContext);
    try {
        maybeInvocableEngine.eval(globalScript);
    } catch (ScriptException e) {
        throw new ReportDataFactoryException(
                "DataFactoryScriptingSupport: Failed to execute datafactory init script.", e);
    }
}

---

From source file:org.jahia.services.workflow.jbpm.custom.email.JBPMMailProducer.java

protected String evaluateExpression(WorkItem workItem, String scriptToExecute, JCRSessionWrapper session)
        throws RepositoryException, ScriptException {
    ScriptContext scriptContext = new SimpleScriptContext();
    if (bindings == null) {
        bindings = getBindings(workItem, session);
    }// w w w  .ja  va 2s  .com
    scriptContext.setWriter(new StringWriter());
    scriptContext.setErrorWriter(new StringWriter());
    scriptContext.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
    scriptContext.setBindings(scriptContext.getBindings(ScriptContext.GLOBAL_SCOPE),
            ScriptContext.GLOBAL_SCOPE);
    scriptEngine.eval(scriptToExecute, scriptContext);
    String error = scriptContext.getErrorWriter().toString();
    if (error.length() > 0) {
        logger.error("Scripting error : " + error);
    }
    return scriptContext.getWriter().toString().trim();
}

---

From source file:org.wso2.carbon.business.rules.core.util.TemplateManagerHelper.java

/**
 * Runs the script that is given as a string, and gives all the variables specified in the script
 *
 * @param script//  w  w  w .j a va  2 s. com
 * @return Map of Strings
 * @throws TemplateManagerHelperException
 */
public static Map<String, String> getScriptGeneratedVariables(String script)
        throws RuleTemplateScriptException {
    ScriptEngineManager manager = new ScriptEngineManager();
    ScriptEngine engine = manager.getEngineByName("JavaScript");

    ScriptContext scriptContext = new SimpleScriptContext();
    scriptContext.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE);

    try {
        // Run script
        engine.eval(script);
        Map<String, Object> returnedScriptContextBindings = engine.getBindings(ScriptContext.ENGINE_SCOPE);

        // Variable names and their values as strings, from the script context binding
        Map<String, String> scriptVariables = new HashMap<>();
        for (Map.Entry scriptVariable : returnedScriptContextBindings.entrySet()) {
            if (scriptVariable.getValue() == null) {
                scriptVariables.put(scriptVariable.getKey().toString(), null);
            } else {
                scriptVariables.put(scriptVariable.getKey().toString(), scriptVariable.getValue().toString());
            }
        }
        return scriptVariables;
    } catch (ScriptException e) {
        throw new RuleTemplateScriptException(e.getCause().getMessage(), e);
    }
}

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