Example usage for javax.script ScriptContext setErrorWriter

List of usage examples for javax.script ScriptContext setErrorWriter

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Introduction

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

Prototype

public void setErrorWriter(Writer writer);

Source Link

Document

Sets the Writer used to display error output.

Usage

From source file:jp.toastkid.script.runner.JavaScriptRunner.java

@Override
public Optional<String> run(final String script) {

    if (StringUtils.isEmpty(script)) {
        return Optional.empty();
    }/*from  w ww.  j  a  va2  s  .c o  m*/
    final StringBuilder result = new StringBuilder();

    try (final StringWriter writer = new StringWriter();) {
        final ScriptContext context = engine.getContext();
        context.setWriter(writer);
        context.setErrorWriter(writer);

        final java.lang.Object run = engine.eval(script);
        result.append(writer.toString()).append(LINE_SEPARATOR);
        if (run != null) {
            result.append("return = ").append(run.toString());
        }
        writer.close();
    } catch (final CompilationFailedException | IOException | ScriptException e) {
        e.printStackTrace();
        result.append("Occurred Exception.").append(LINE_SEPARATOR).append(e.getMessage());
    }
    return Optional.of(result.toString());
}

From source file:jp.toastkid.script.runner.GroovyRunner.java

@Override
public Optional<String> run(final String script) {
    if (StringUtils.isEmpty(script)) {
        return Optional.empty();
    }/*  ww w  .ja  v  a  2 s  . c  o m*/
    if (engine == null) {
        System.out.println("groovy null");
    }

    final StringBuilder result = new StringBuilder();

    try (final StringWriter writer = new StringWriter();) {
        if (engine != null) {
            final ScriptContext context = engine.getContext();
            context.setWriter(new PrintWriter(writer));
            context.setErrorWriter(new PrintWriter(writer));
        }
        final java.lang.Object run = engine.eval(script);
        result.append(writer.toString()).append(LINE_SEPARATOR);
        if (run != null) {
            result.append("return = ").append(run.toString());
        }
        writer.close();
    } catch (final CompilationFailedException | IOException | javax.script.ScriptException e) {
        e.printStackTrace();
        result.append("Occurred Exception.").append(LINE_SEPARATOR).append(e.getMessage());
    }
    return Optional.of(result.toString());
}

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

/**
 * Get resources//from   w w w . j  a  va2 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;
}

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

private String evaluate(String subject, JCRNodeWrapper document) {
    if (subject.contains("${")) {
        try {/*from   www .j a  va  2 s  .co  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: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;
    }//from w ww.j a v a  2  s.  c o m
    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:org.jahia.services.mail.MailServiceImpl.java

@Override
public void sendMessageWithTemplate(String template, Map<String, Object> boundObjects, String toMail,
        String fromMail, String ccList, String bcclist, Locale locale, String templatePackageName)
        throws RepositoryException, ScriptException {
    // Resolve template :
    ScriptEngine scriptEngine = scriptEngineUtils.scriptEngine(StringUtils.substringAfterLast(template, "."));
    ScriptContext scriptContext = new SimpleScriptContext();

    //try if it is multilingual 
    String suffix = StringUtils.substringAfterLast(template, ".");
    String languageMailConfTemplate = template.substring(0, template.length() - (suffix.length() + 1)) + "_"
            + locale.toString() + "." + suffix;
    JahiaTemplatesPackage templatePackage = templateManagerService.getTemplatePackage(templatePackageName);
    Resource templateRealPath = templatePackage.getResource(languageMailConfTemplate);
    if (templateRealPath == null) {
        templateRealPath = templatePackage.getResource(template);
    }//w w w. jav  a 2s .c o m
    InputStream scriptInputStream = null;
    try {
        scriptInputStream = templateRealPath.getInputStream();
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }
    if (scriptInputStream != null) {
        ResourceBundle resourceBundle;
        if (templatePackageName == null) {
            String resourceBundleName = StringUtils.substringBeforeLast(Patterns.SLASH
                    .matcher(StringUtils.substringAfter(Patterns.WEB_INF.matcher(template).replaceAll(""), "/"))
                    .replaceAll("."), ".");
            resourceBundle = ResourceBundles.get(resourceBundleName, locale);
        } else {
            resourceBundle = ResourceBundles.get(ServicesRegistry.getInstance().getJahiaTemplateManagerService()
                    .getTemplatePackage(templatePackageName), locale);
        }
        final Bindings bindings = new SimpleBindings();
        bindings.put("bundle", resourceBundle);
        bindings.putAll(boundObjects);
        Reader scriptContent = null;
        // Subject
        String subject;
        try {
            String subjectTemplatePath = StringUtils.substringBeforeLast(template, ".") + ".subject."
                    + StringUtils.substringAfterLast(template, ".");
            InputStream stream = templatePackage.getResource(subjectTemplatePath).getInputStream();
            scriptContent = templateCharset != null ? new InputStreamReader(stream, templateCharset)
                    : new InputStreamReader(stream);
            scriptContext.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
            scriptContext.setBindings(scriptEngine.getContext().getBindings(ScriptContext.GLOBAL_SCOPE),
                    ScriptContext.GLOBAL_SCOPE);
            scriptContext.setWriter(new StringWriter());
            scriptEngine.eval(scriptContent, scriptContext);
            subject = scriptContext.getWriter().toString().trim();
        } catch (Exception e) {
            logger.warn("Not able to render mail subject using "
                    + StringUtils.substringBeforeLast(template, ".") + ".subject."
                    + StringUtils.substringAfterLast(template, ".")
                    + " template file - set org.jahia.services.mail.MailService in debug for more information");
            if (logger.isDebugEnabled()) {
                logger.debug("generating the mail subject throw an exception : ", e);
            }
            subject = resourceBundle.getString(
                    StringUtils.substringBeforeLast(StringUtils.substringAfterLast(template, "/"), ".")
                            + ".subject");
        } finally {
            IOUtils.closeQuietly(scriptContent);
        }
        try {
            try {
                scriptContent = templateCharset != null
                        ? new InputStreamReader(scriptInputStream, templateCharset)
                        : new InputStreamReader(scriptInputStream);
            } catch (UnsupportedEncodingException e) {
                throw new IllegalArgumentException(e);
            }
            scriptContext.setWriter(new StringWriter());
            scriptContext.setErrorWriter(new StringWriter());
            // The following binding is necessary for JavaScript, which
            // doesn't offer a console by default.
            bindings.put("out", new PrintWriter(scriptContext.getWriter()));
            scriptContext.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
            scriptEngine.eval(scriptContent, scriptContext);
            StringWriter writer = (StringWriter) scriptContext.getWriter();
            String body = writer.toString();

            sendMessage(fromMail, toMail, ccList, bcclist, subject, null, body);
        } finally {
            IOUtils.closeQuietly(scriptContent);
        }
    } else {
        logger.warn("Cannot send mail, template [" + template + "] from module [" + templatePackageName
                + "] not found");
    }
}

From source file:org.jahia.services.render.scripting.JSR223Script.java

/**
 * Execute the script and return the result as a string
 *
 * @param resource resource to display/*from  w w w. j  a  v a 2  s.  co m*/
 * @param context
 * @return the rendered resource
 * @throws org.jahia.services.render.RenderException
 */
public String execute(Resource resource, RenderContext context) throws RenderException {
    ScriptEngine scriptEngine = null;

    ClassLoader tccl = Thread.currentThread().getContextClassLoader();
    Thread.currentThread().setContextClassLoader(view.getModule().getChainedClassLoader());

    try {
        scriptEngine = ScriptEngineUtils.getInstance().scriptEngine(view.getFileExtension());

        if (scriptEngine != null) {
            ScriptContext scriptContext = new SimpleScriptContext();
            final Bindings bindings = new SimpleBindings();
            Enumeration<?> attrNamesEnum = context.getRequest().getAttributeNames();
            while (attrNamesEnum.hasMoreElements()) {
                String currentAttributeName = (String) attrNamesEnum.nextElement();
                if (!"".equals(currentAttributeName)) {
                    bindings.put(currentAttributeName, context.getRequest().getAttribute(currentAttributeName));
                }
            }
            bindings.put("params", context.getRequest().getParameterMap());
            Reader scriptContent = null;
            try {
                InputStream scriptInputStream = getViewInputStream();
                if (scriptInputStream != null) {
                    scriptContent = new InputStreamReader(scriptInputStream);
                    scriptContext.setWriter(new StringWriter());
                    scriptContext.setErrorWriter(new StringWriter());
                    // The following binding is necessary for Javascript, which doesn't offer a console by default.
                    bindings.put("out", new PrintWriter(scriptContext.getWriter()));
                    scriptContext.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
                    scriptContext.setBindings(scriptEngine.getContext().getBindings(ScriptContext.GLOBAL_SCOPE),
                            ScriptContext.GLOBAL_SCOPE);

                    scriptEngine.eval(scriptContent, scriptContext);

                    StringWriter writer = (StringWriter) scriptContext.getWriter();
                    return writer.toString().trim();
                } else {
                    throw new RenderException(
                            "Error while retrieving input stream for the resource " + view.getPath());
                }
            } catch (ScriptException e) {
                throw new RenderException("Error while executing script " + view.getPath(), e);
            } catch (IOException e) {
                throw new RenderException(
                        "Error while retrieving input stream for the resource " + view.getPath(), e);
            } finally {
                if (scriptContent != null) {
                    IOUtils.closeQuietly(scriptContent);
                }
            }
        }

    } catch (ScriptException e) {
        logger.error(e.getMessage(), e);
    } finally {
        Thread.currentThread().setContextClassLoader(tccl);
    }

    return null;
}

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  w  w  w . j  a v a 2s  . c om
    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.jahia.services.workflow.jbpm.JBPMMailProducer.java

private String evaluateExpression(Execution execution, String scriptToExecute, JCRSessionWrapper session)
        throws RepositoryException, ScriptException {
    ScriptContext scriptContext = scriptEngine.getContext();
    if (bindings == null) {
        bindings = getBindings(execution, session);
    }//  w  ww. j a  v a 2  s .c o m
    scriptContext.setWriter(new StringWriter());
    scriptContext.setErrorWriter(new StringWriter());
    scriptEngine.eval(scriptToExecute, bindings);
    String error = scriptContext.getErrorWriter().toString();
    if (error.length() > 0) {
        logger.error("Scripting error : " + error);
    }
    return scriptContext.getWriter().toString().trim();
}