Example usage for javax.script SimpleScriptContext SimpleScriptContext

Introduction

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

Prototype

public SimpleScriptContext()

Source Link

Document

Create a SimpleScriptContext .

Usage

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  w ww . j  a va  2s  .  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);
    }/*from www .ja  v a 2 s . c  o  m*/
    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//from  w ww.j  a  va  2  s . c  o  m
 * @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);
    }
}

From source file:org.jahia.ajax.gwt.helper.UIConfigHelper.java

/**
 * Get resources//  w  w w .j a va  2  s .co m
 *
 * @param key
 * @param locale
 * @param site
 * @param jahiaUser
 * @return
 */
private String getResources(String key, Locale locale, JCRSiteNode site, JahiaUser jahiaUser) {
    if (key == null || key.length() == 0) {
        return key;
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Resources key: " + key);
    }
    String baseName = null;
    String value = null;
    if (key.contains("@")) {
        baseName = StringUtils.substringAfter(key, "@");
        key = StringUtils.substringBefore(key, "@");
    }

    value = Messages.get(baseName, site != null ? site.getTemplatePackage() : null, key, locale, null);
    if (value == null || value.length() == 0) {
        value = Messages.getInternal(key, locale);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Resources value: " + value);
    }
    if (value.contains("${")) {
        try {
            ScriptEngine scriptEngine = scriptEngineUtils.getEngineByName("velocity");
            ScriptContext scriptContext = new SimpleScriptContext();
            final Bindings bindings = new SimpleBindings();
            bindings.put("currentSite", site);
            bindings.put("currentUser", jahiaUser);
            bindings.put("currentLocale", locale);
            bindings.put("PrincipalViewHelper", PrincipalViewHelper.class);
            scriptContext.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
            scriptContext.setBindings(scriptEngine.getContext().getBindings(ScriptContext.GLOBAL_SCOPE),
                    ScriptContext.GLOBAL_SCOPE);
            scriptContext.setWriter(new StringWriter());
            scriptContext.setErrorWriter(new StringWriter());
            scriptEngine.eval(value, scriptContext);
            //String error = scriptContext.getErrorWriter().toString();
            return scriptContext.getWriter().toString().trim();
        } catch (ScriptException e) {
            logger.error("Error while executing script [" + value + "]", e);
        }
    }
    return value;
}