List of usage examples for javax.script ScriptEngine createBindings
public Bindings createBindings();
Bindings. 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;//w w w . j a v a2s. c o 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.irclogs.filters.IRCLogPageTitleFilter.java
@Override public String execute(String previousOut, RenderContext renderContext, Resource resource, RenderChain chain) throws Exception { String out = previousOut;//from www . j a v a2 s. com 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:it.greenvulcano.script.impl.ScriptExecutorImpl.java
/** * Initialize the instance.//from ww w . j a v a2 s. c om * * @param lang * script engine language * @param script * the script to configure; if null the script must be passes in the execute method; overridden by 'file' * @param file * if not null, defines the script file to read * @param bcName * defines the BaseContext to be used to enrich the script; * if null is used the default context for the given language, if defined * @throws GVScriptException */ public void init(String lang, String script, String file, String bcName) throws GVScriptException { try { this.lang = lang; if ((file != null) && !"".equals(file)) { this.script = cache.getScript(file); } else { this.script = script; if ((this.script == null) || "".equals(this.script)) { externalScript = true; } } if (!externalScript && ((this.script == null) || "".equals(this.script))) { throw new GVScriptException("Empty configured script!"); } ScriptEngine engine = getScriptEngine(lang); if (engine == null) { throw new GVScriptException("ScriptEngine[" + this.lang + "] not found!"); } bindings = engine.createBindings(); String baseContext = BaseContextManager.instance().getBaseContextScript(lang, bcName); if (baseContext != null) { this.script = baseContext + "\n\n" + (this.script != null ? this.script : ""); if (externalScript) { engine.eval(this.script, bindings); } } else if (bcName != null) { throw new GVScriptException("BaseContext[" + this.lang + "/" + bcName + "] not found!"); } if (engine instanceof Compilable && PropertiesHandler.isExpanded(script)) { String scriptKey = DigestUtils.sha256Hex(script); Optional<CompiledScript> cachedCompiledScript = cache.getCompiledScript(scriptKey); if (cachedCompiledScript.isPresent()) { compScript = cachedCompiledScript.get(); } else { logger.debug("Static script[" + lang + "], can be compiled for performance"); compScript = ((Compilable) engine).compile(script); cache.putCompiledScript(scriptKey, compScript); } } initialized = true; } catch (GVScriptException exc) { logger.error("Error initializing ScriptExecutorImpl", exc); throw exc; } catch (Exception exc) { logger.error("Error initializing ScriptExecutorImpl", exc); throw new GVScriptException("Error initializing ScriptExecutorImpl", exc); } }
From source file:com.galeoconsulting.leonardinius.rest.service.ScriptRunner.java
@SuppressWarnings({ "SameParameterValue" })
private void updateBindings(ScriptEngine engine, int scope, Map<String, ?> mergeValues) {
Bindings bindings = engine.getContext().getBindings(scope);
if (bindings == null) {
bindings = engine.createBindings();
engine.getContext().setBindings(bindings, scope);
}//from w w w . j a v a2s . c o m
bindings.putAll(mergeValues);
}
From source file:it.greenvulcano.script.impl.ScriptExecutorImpl.java
/** * Initialize the instance.//from w w w.ja va 2 s .c o m * * @param node * the configuration node * @throws GVScriptException */ public void init(Node node) throws GVScriptException { try { name = XMLConfig.get(node.getParentNode(), "@name"); logger.debug("init script node " + name); lang = XMLConfig.get(node, "@lang", "js"); String file = XMLConfig.get(node, "@file", ""); if (!"".equals(file)) { scriptName = file; script = cache.getScript(file); } else { scriptName = ScriptCache.INTERNAL_SCRIPT; script = XMLConfig.get(node, ".", null); } if ((script == null) || "".equals(script)) { throw new GVScriptException("Empty configured script!"); } ScriptEngine engine = getScriptEngine(lang); if (engine == null) { throw new GVScriptException("ScriptEngine[" + lang + "] not found!"); } String bcName = XMLConfig.get(node, "@base-context", null); String baseContext = BaseContextManager.instance().getBaseContextScript(lang, bcName); if (baseContext != null) { script = baseContext + "\n\n" + (script != null ? script : ""); } else if (bcName != null) { throw new GVScriptException("BaseContext[" + lang + "/" + bcName + "] not found!"); } if (engine instanceof Compilable && PropertiesHandler.isExpanded(script)) { String scriptKey = DigestUtils.sha256Hex(script); Optional<CompiledScript> cachedCompiledScript = cache.getCompiledScript(scriptKey); if (cachedCompiledScript.isPresent()) { compScript = cachedCompiledScript.get(); } else { logger.debug("Static script[" + lang + "], can be compiled for performance"); compScript = ((Compilable) engine).compile(script); cache.putCompiledScript(scriptKey, compScript); } } bindings = engine.createBindings(); initialized = true; } catch (GVScriptException exc) { logger.error("Error initializing ScriptExecutorImpl", exc); throw exc; } catch (Exception exc) { logger.error("Error initializing ScriptExecutorImpl", exc); throw new GVScriptException("Error initializing ScriptExecutorImpl", exc); } }
From source file:org.apache.jmeter.util.JSR223TestElement.java
/** * This method will run inline script or file script with special behaviour for file script: * - If ScriptEngine implements Compilable script will be compiled and cached * - If not if will be run//ww w .ja va2 s . c o m * @param scriptEngine ScriptEngine * @param bindings {@link Bindings} might be null * @return Object returned by script * @throws IOException when reading the script fails * @throws ScriptException when compiling or evaluation of the script fails */ protected Object processFileOrScript(ScriptEngine scriptEngine, Bindings bindings) throws IOException, ScriptException { if (bindings == null) { bindings = scriptEngine.createBindings(); } populateBindings(bindings); File scriptFile = new File(getFilename()); // Hack: bsh-2.0b5.jar BshScriptEngine implements Compilable but throws "java.lang.Error: unimplemented" boolean supportsCompilable = scriptEngine instanceof Compilable && !(scriptEngine.getClass().getName().equals("bsh.engine.BshScriptEngine")); // $NON-NLS-1$ if (!StringUtils.isEmpty(getFilename())) { if (scriptFile.exists() && scriptFile.canRead()) { BufferedReader fileReader = null; try { if (supportsCompilable) { String cacheKey = getScriptLanguage() + "#" + // $NON-NLS-1$ scriptFile.getAbsolutePath() + "#" + // $NON-NLS-1$ scriptFile.lastModified(); CompiledScript compiledScript = compiledScriptsCache.get(cacheKey); if (compiledScript == null) { synchronized (compiledScriptsCache) { compiledScript = compiledScriptsCache.get(cacheKey); if (compiledScript == null) { // TODO Charset ? fileReader = new BufferedReader(new FileReader(scriptFile), (int) scriptFile.length()); compiledScript = ((Compilable) scriptEngine).compile(fileReader); compiledScriptsCache.put(cacheKey, compiledScript); } } } return compiledScript.eval(bindings); } else { // TODO Charset ? fileReader = new BufferedReader(new FileReader(scriptFile), (int) scriptFile.length()); return scriptEngine.eval(fileReader, bindings); } } finally { IOUtils.closeQuietly(fileReader); } } else { throw new ScriptException("Script file '" + scriptFile.getAbsolutePath() + "' does not exist or is unreadable for element:" + getName()); } } else if (!StringUtils.isEmpty(getScript())) { if (supportsCompilable && !StringUtils.isEmpty(cacheKey)) { computeScriptMD5(); CompiledScript compiledScript = compiledScriptsCache.get(this.scriptMd5); if (compiledScript == null) { synchronized (compiledScriptsCache) { compiledScript = compiledScriptsCache.get(this.scriptMd5); if (compiledScript == null) { compiledScript = ((Compilable) scriptEngine).compile(getScript()); compiledScriptsCache.put(this.scriptMd5, compiledScript); } } } return compiledScript.eval(bindings); } else { return scriptEngine.eval(getScript(), bindings); } } else { throw new ScriptException("Both script file and script text are empty for element:" + getName()); } }
From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngineOverGraphTest.java
@Test @LoadGraphWith(LoadGraphWith.GraphData.MODERN) public void shouldDoSomeGremlin() throws Exception { final ScriptEngine engine = new GremlinGroovyScriptEngine(); final List list = new ArrayList(); final Bindings bindings = engine.createBindings(); bindings.put("g", g); bindings.put("marko", convertToVertexId("marko")); bindings.put("temp", list); assertEquals(list.size(), 0);/*from w w w .j av a2 s.c o m*/ engine.eval("g.V(marko).out().fill(temp)", bindings); assertEquals(list.size(), 3); }
From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngineOverGraphTest.java
@Test @LoadGraphWith(LoadGraphWith.GraphData.CLASSIC) public void shouldProperlyHandleBindings() throws Exception { final ScriptEngine engine = new GremlinGroovyScriptEngine(); engine.put("g", g); engine.put("marko", convertToVertexId("marko")); Assert.assertEquals(g.V(convertToVertexId("marko")).next(), engine.eval("g.V(marko).next()")); final Bindings bindings = engine.createBindings(); bindings.put("g", g); bindings.put("s", "marko"); bindings.put("f", 0.5f); bindings.put("i", 1); bindings.put("b", true); bindings.put("l", 100l); bindings.put("d", 1.55555d); assertEquals(engine.eval("g.E().has('weight',f).next()", bindings), g.E(convertToEdgeId("marko", "knows", "vadas")).next()); assertEquals(engine.eval("g.V().has('name',s).next()", bindings), g.V(convertToVertexId("marko")).next()); assertEquals(engine.eval(/*from www.j a v a 2 s . c om*/ "g.V().sideEffect{it.get().property('bbb',it.get().value('name')=='marko')}.iterate();g.V().has('bbb',b).next()", bindings), g.V(convertToVertexId("marko")).next()); assertEquals(engine.eval( "g.V().sideEffect{it.get().property('iii',it.get().value('name')=='marko'?1:0)}.iterate();g.V().has('iii',i).next()", bindings), g.V(convertToVertexId("marko")).next()); assertEquals(engine.eval( "g.V().sideEffect{it.get().property('lll',it.get().value('name')=='marko'?100l:0l)}.iterate();g.V().has('lll',l).next()", bindings), g.V(convertToVertexId("marko")).next()); assertEquals(engine.eval( "g.V().sideEffect{it.get().property('ddd',it.get().value('name')=='marko'?1.55555d:0)}.iterate();g.V().has('ddd',d).next()", bindings), g.V(convertToVertexId("marko")).next()); }
From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngineOverGraphTest.java
@Test @LoadGraphWith(LoadGraphWith.GraphData.MODERN) public void shouldClearBindingsBetweenEvals() throws Exception { final ScriptEngine engine = new GremlinGroovyScriptEngine(); engine.put("g", g); engine.put("marko", convertToVertexId("marko")); assertEquals(g.V(convertToVertexId("marko")).next(), engine.eval("g.V(marko).next()")); final Bindings bindings = engine.createBindings(); bindings.put("g", g); bindings.put("s", "marko"); assertEquals(engine.eval("g.V().has('name',s).next()", bindings), g.V(convertToVertexId("marko")).next()); try {// ww w .j a v a 2s .c o m engine.eval("g.V().has('name',s).next()"); fail("This should have failed because s is no longer bound"); } catch (Exception ex) { final Throwable t = ExceptionUtils.getRootCause(ex); assertEquals(MissingPropertyException.class, t.getClass()); assertTrue(t.getMessage().startsWith("No such property: s for class")); } }
From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngineOverGraphTest.java
@Test @LoadGraphWith(LoadGraphWith.GraphData.MODERN) public void shouldBeThreadSafe() throws Exception { final ScriptEngine engine = new GremlinGroovyScriptEngine(); int runs = 500; final CountDownLatch latch = new CountDownLatch(runs); final List<String> names = Arrays.asList("marko", "peter", "josh", "vadas", "stephen", "pavel", "matthias"); final Random random = new Random(); for (int i = 0; i < runs; i++) { new Thread("test-thread-safe-" + i) { public void run() { String name = names.get(random.nextInt(names.size() - 1)); try { final Bindings bindings = engine.createBindings(); bindings.put("g", g); bindings.put("name", name); final Object result = engine .eval("t = g.V().has('name',name); if(t.hasNext()) { t } else { null }", bindings); if (name.equals("stephen") || name.equals("pavel") || name.equals("matthias")) assertNull(result); else assertNotNull(result); } catch (ScriptException e) { assertFalse(true);//from www . ja v a 2 s . c om } finally { if (graph.features().graph().supportsTransactions()) g.tx().rollback(); } latch.countDown(); } }.start(); } latch.await(); }