List of usage examples for javax.script ScriptContext getWriter
public Writer getWriter();
Writer for scripts to use when displaying output. From source file:Main.java
public static void main(String[] args) throws Exception { ScriptContext ctx = new SimpleScriptContext(); // Get the reader and writers from the script context Reader inputReader = ctx.getReader(); Writer outputWriter = ctx.getWriter(); Writer errWriter = ctx.getErrorWriter(); // Write all script outputs to an out.txt file Writer fileWriter = new FileWriter("out.txt"); ctx.setWriter(fileWriter);/*from w ww .j a v a 2 s. c om*/ }
From source file:org.jahia.modules.irclogs.filters.IRCLogPageTitleFilter.java
@Override public String execute(String previousOut, RenderContext renderContext, Resource resource, RenderChain chain) throws Exception { String out = previousOut;/*from w w w . java 2 s .c o m*/ String script = getResolvedTemplate(); if (script != null) { Source source = new Source(previousOut); OutputDocument outputDocument = new OutputDocument(source); List<Element> headElementList = source.getAllElements(HTMLElementName.TITLE); for (Element element : headElementList) { final EndTag bodyEndTag = element.getEndTag(); final StartTag bodyStartTag = element.getStartTag(); String extension = StringUtils.substringAfterLast(template, "."); ScriptEngine scriptEngine = scriptEngineUtils.scriptEngine(extension); ScriptContext scriptContext = new irclogsScriptContext(); final Bindings bindings = scriptEngine.createBindings(); bindings.put("resource", resource); scriptContext.setBindings(bindings, ScriptContext.GLOBAL_SCOPE); // The following binding is necessary for Javascript, which doesn't offer a console by default. bindings.put("out", new PrintWriter(scriptContext.getWriter())); // Parameters needed for title replacing bindings.put("orgTitle", outputDocument.toString().substring(bodyStartTag.getEnd(), bodyEndTag.getBegin())); bindings.put("dateFormatter", dateFormatter); bindings.put("title", getTitle()); bindings.put("renderContext", renderContext); scriptEngine.eval(script, scriptContext); StringWriter writer = (StringWriter) scriptContext.getWriter(); final String irclogsScript = writer.toString(); if (StringUtils.isNotBlank(irclogsScript)) { outputDocument.replace(bodyStartTag.getEnd(), bodyEndTag.getBegin() + 1, AggregateCacheFilter.removeEsiTags(irclogsScript) + "<"); } break; // avoid to loop if for any reasons multiple body in the page } out = outputDocument.toString().trim(); } return out; }
From source file:org.jahia.modules.portal.filter.PortalLibFilter.java
@Override public String execute(String previousOut, RenderContext renderContext, Resource resource, RenderChain chain) throws Exception { String out = previousOut;//from w w w .j av a 2 s . co m // add portal API lib String path = "/modules/" + renderContext.getMainResource().getNode().getPrimaryNodeType() .getTemplatePackage().getBundle().getSymbolicName() + "/javascript/" + JS_API_FILE; path = StringUtils.isNotEmpty(renderContext.getRequest().getContextPath()) ? renderContext.getRequest().getContextPath() + path : path; String encodedPath = URLEncoder.encode(path, "UTF-8"); out += ("<jahia:resource type='javascript' path='" + encodedPath + "' insert='true' resource='" + JS_API_FILE + "'/>"); // add portal instance String script = getResolvedTemplate(); if (script != null) { String extension = StringUtils.substringAfterLast(template, "."); ScriptEngine scriptEngine = scriptEngineUtils.scriptEngine(extension); ScriptContext scriptContext = new PortalScriptContext(); final Bindings bindings = scriptEngine.createBindings(); // bindings bindings.put("portalContext", serializePortal(renderContext)); scriptContext.setBindings(bindings, ScriptContext.GLOBAL_SCOPE); // The following binding is necessary for Javascript, which doesn't offer a console by default. bindings.put("out", new PrintWriter(scriptContext.getWriter())); scriptEngine.eval(script, scriptContext); StringWriter writer = (StringWriter) scriptContext.getWriter(); final String portalScript = writer.toString(); if (StringUtils.isNotBlank(portalScript)) { out += ("<jahia:resource type='inlinejavascript' path='" + URLEncoder.encode(portalScript, "UTF-8") + "' insert='false' resource='' title='' key=''/>"); } } return out; }
From source file:org.jahia.modules.googleAnalytics.GoogleAnalyticsFilter.java
@Override public String execute(String previousOut, RenderContext renderContext, Resource resource, RenderChain chain) throws Exception { String out = previousOut;/*from w ww . j ava 2s .c o m*/ String webPropertyID = renderContext.getSite().hasProperty("webPropertyID") ? renderContext.getSite().getProperty("webPropertyID").getString() : null; if (StringUtils.isNotEmpty(webPropertyID)) { String script = getResolvedTemplate(); if (script != null) { Source source = new Source(previousOut); OutputDocument outputDocument = new OutputDocument(source); List<Element> headElementList = source.getAllElements(HTMLElementName.HEAD); for (Element element : headElementList) { final EndTag headEndTag = element.getEndTag(); String extension = StringUtils.substringAfterLast(template, "."); ScriptEngine scriptEngine = scriptEngineUtils.scriptEngine(extension); ScriptContext scriptContext = new GoogleScriptContext(); final Bindings bindings = scriptEngine.createBindings(); bindings.put("webPropertyID", webPropertyID); String url = resource.getNode().getUrl(); if (renderContext.getRequest().getAttribute("analytics-path") != null) { url = (String) renderContext.getRequest().getAttribute("analytics-path"); } bindings.put("resourceUrl", url); bindings.put("resource", resource); bindings.put("gaMap", renderContext.getRequest().getAttribute("gaMap")); scriptContext.setBindings(bindings, ScriptContext.GLOBAL_SCOPE); // The following binding is necessary for Javascript, which doesn't offer a console by default. bindings.put("out", new PrintWriter(scriptContext.getWriter())); scriptEngine.eval(script, scriptContext); StringWriter writer = (StringWriter) scriptContext.getWriter(); final String googleAnalyticsScript = writer.toString(); if (StringUtils.isNotBlank(googleAnalyticsScript)) { outputDocument.replace(headEndTag.getBegin(), headEndTag.getBegin() + 1, "\n" + AggregateCacheFilter.removeEsiTags(googleAnalyticsScript) + "\n<"); } break; // avoid to loop if for any reasons multiple body in the page } out = outputDocument.toString().trim(); } } return out; }
From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngine.java
Object eval(final Class scriptClass, final ScriptContext context) throws ScriptException { final Binding binding = new Binding(context.getBindings(ScriptContext.ENGINE_SCOPE)) { @Override/*w w w. j a v a 2 s. com*/ public Object getVariable(String name) { synchronized (context) { int scope = context.getAttributesScope(name); if (scope != -1) { return context.getAttribute(name, scope); } // Redirect script output to context writer, if out var is not already provided if ("out".equals(name)) { final Writer writer = context.getWriter(); if (writer != null) { return (writer instanceof PrintWriter) ? (PrintWriter) writer : new PrintWriter(writer, true); } } // Provide access to engine context, if context var is not already provided if ("context".equals(name)) { return context; } } throw new MissingPropertyException(name, getClass()); } @Override public void setVariable(String name, Object value) { synchronized (context) { int scope = context.getAttributesScope(name); if (scope == -1) { scope = ScriptContext.ENGINE_SCOPE; } context.setAttribute(name, value, scope); } } }; try { // if this class is not an instance of Script, it's a full-blown class then simply return that class if (!Script.class.isAssignableFrom(scriptClass)) { return scriptClass; } else { final Script scriptObject = InvokerHelper.createScript(scriptClass, binding); for (Method m : scriptClass.getMethods()) { final String name = m.getName(); globalClosures.put(name, new MethodClosure(scriptObject, name)); } final MetaClass oldMetaClass = scriptObject.getMetaClass(); scriptObject.setMetaClass(new DelegatingMetaClass(oldMetaClass) { @Override public Object invokeMethod(final Object object, final String name, final Object args) { if (args == null) { return invokeMethod(object, name, MetaClassHelper.EMPTY_ARRAY); } else if (args instanceof Tuple) { return invokeMethod(object, name, ((Tuple) args).toArray()); } else if (args instanceof Object[]) { return invokeMethod(object, name, (Object[]) args); } else { return invokeMethod(object, name, new Object[] { args }); } } @Override public Object invokeMethod(final Object object, final String name, final Object args[]) { try { return super.invokeMethod(object, name, args); } catch (MissingMethodException mme) { return callGlobal(name, args, context); } } @Override public Object invokeStaticMethod(final Object object, final String name, final Object args[]) { try { return super.invokeStaticMethod(object, name, args); } catch (MissingMethodException mme) { return callGlobal(name, args, context); } } }); final Object o = scriptObject.run(); // if interpreter mode is enable then local vars of the script are promoted to engine scope bindings. if (interpreterModeEnabled) { final Map<String, Object> localVars = (Map<String, Object>) context .getAttribute(COLLECTED_BOUND_VARS_MAP_VARNAME); if (localVars != null) { localVars.entrySet().forEach(e -> { // closures need to be cached for later use if (e.getValue() instanceof Closure) globalClosures.put(e.getKey(), (Closure) e.getValue()); context.setAttribute(e.getKey(), e.getValue(), ScriptContext.ENGINE_SCOPE); }); // get rid of the temporary collected vars context.removeAttribute(COLLECTED_BOUND_VARS_MAP_VARNAME, ScriptContext.ENGINE_SCOPE); localVars.clear(); } } return o; } } catch (Exception e) { throw new ScriptException(e); } }
From source file:org.jahia.ajax.gwt.helper.UIConfigHelper.java
/** * Get resources/*from w ww . ja v a 2 s .c o 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 {// w ww . j a v a2s . c o 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 . ja va 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.modules.portal.filter.JCRRestJavaScriptLibFilter.java
@Override public String execute(String previousOut, RenderContext renderContext, Resource resource, RenderChain chain) throws Exception { String out = previousOut;// www . j ava2s. c o m String context = StringUtils.isNotEmpty(renderContext.getRequest().getContextPath()) ? renderContext.getRequest().getContextPath() : ""; // add lib String path = context + "/modules/" + renderContext.getMainResource().getNode().getPrimaryNodeType() .getTemplatePackage().getBundle().getSymbolicName() + "/javascript/" + JCR_REST_JS_FILE; String encodedPath = URLEncoder.encode(path, "UTF-8"); out += ("<jahia:resource type='javascript' path='" + encodedPath + "' insert='true' resource='" + JCR_REST_JS_FILE + "'/>"); // instance JavaScript object String script = getResolvedTemplate(); if (script != null) { String extension = StringUtils.substringAfterLast(JCR_REST_SCRIPT_TEMPLATE, "."); ScriptEngine scriptEngine = scriptEngineUtils.scriptEngine(extension); ScriptContext scriptContext = new JCRRestUtilsScriptContext(); final Bindings bindings = scriptEngine.createBindings(); // bindings bindings.put("options", getBindingMap(renderContext, resource, context)); scriptContext.setBindings(bindings, ScriptContext.GLOBAL_SCOPE); // The following binding is necessary for Javascript, which doesn't offer a console by default. bindings.put("out", new PrintWriter(scriptContext.getWriter())); scriptEngine.eval(script, scriptContext); StringWriter writer = (StringWriter) scriptContext.getWriter(); final String resultScript = writer.toString(); if (StringUtils.isNotBlank(resultScript)) { out += ("<jahia:resource type='inlinejavascript' path='" + URLEncoder.encode(resultScript, "UTF-8") + "' insert='false' resource='' title='' key=''/>"); } } return out; }