List of usage examples for javax.script ScriptEngine eval
public Object eval(Reader reader, Bindings n) throws ScriptException;
eval(String, Bindings) except that the source of the script is provided as a Reader. From source file:org.nuxeo.runtime.scripting.ScriptingComponent.java
@Override public Object eval(String path, ScriptContext ctx) throws ScriptException { ScriptEngine engine = getEngineByFileName(path); if (engine != null) { try {// w w w . j a v a 2 s .c o m Reader reader = new FileReader(getScriptFile(path)); try { return engine.eval(reader, ctx); } finally { reader.close(); } } catch (IOException e) { throw new ScriptException(e); } } else { throw new ScriptException("No script engine was found for the file: " + path); } }
From source file:com.intuit.tank.tools.script.ScriptRunner.java
/** * /*from w w w . jav a 2s.c o m*/ * @param scriptName * @param script * @param engine * @param inputs * @param output * @return * @throws ScriptException */ public ScriptIOBean runScript(@Nullable String scriptName, @Nonnull String script, @Nonnull ScriptEngine engine, @Nonnull Map<String, Object> inputs, OutputLogger output) throws ScriptException { Reader reader = null; ScriptIOBean ioBean = null; try { reader = new StringReader(script); ioBean = new ScriptIOBean(inputs, output); engine.put("ioBean", ioBean); ioBean.println("Starting test..."); engine.eval(reader, engine.getContext()); ioBean.println("Finished test..."); } catch (ScriptException e) { throw new ScriptException(e.getMessage(), scriptName, e.getLineNumber(), e.getColumnNumber()); } finally { IOUtils.closeQuietly(reader); } return ioBean; }
From source file:org.tomitribe.tribestream.registryng.bootstrap.Provisioning.java
@PostConstruct public void init() { loginContext.setUsername("system"); ofNullable(script).ifPresent(s -> { final ScriptEngine engine = new ScriptEngineManager().getEngineByExtension("js"); final Bindings bindings = engine.createBindings(); bindings.put("props", System.getProperties()); final File file = new File(s); if (file.isFile()) { try (final Reader reader = new FileReader(file)) { engine.eval(reader, bindings); } catch (final IOException | ScriptException e) { throw new IllegalArgumentException(e); }/*from w w w.jav a2 s . com*/ } else { try { engine.eval(s, bindings); } catch (final ScriptException e) { throw new IllegalArgumentException(e); } } }); restore(); }
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; }// ww w. j a v a 2 s. c om 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.opennms.opennms.pris.plugins.script.util.ScriptManager.java
public static Object execute(final InstanceConfiguration config, final Map<String, Object> bindings) throws IOException, ScriptException { Requisition requisition = null;// ww w. j a v a 2 s . co m // Get the path to the script final List<Path> scripts = config.getPaths("file"); // Get the script engine by language defined in config or by extension if it // is not defined in the config final ScriptEngineManager SCRIPT_ENGINE_MANAGER = new ScriptEngineManager( ScriptManager.class.getClassLoader()); for (Path script : scripts) { final ScriptEngine scriptEngine = config.containsKey("lang") ? SCRIPT_ENGINE_MANAGER.getEngineByName(config.getString("lang")) : SCRIPT_ENGINE_MANAGER.getEngineByExtension(FilenameUtils.getExtension(script.toString())); if (scriptEngine == null) { throw new RuntimeException("Script engine implementation not found"); } // Create some bindings for values available in the script final Bindings scriptBindings = scriptEngine.createBindings(); scriptBindings.put("script", script); scriptBindings.put("logger", LoggerFactory.getLogger(script.toString())); scriptBindings.put("config", config); scriptBindings.put("instance", config.getInstanceIdentifier()); scriptBindings.put("interfaceUtils", new InterfaceUtils(config)); scriptBindings.putAll(bindings); // Overwrite initial requisition with the requisition from the previous script, if there was any. if (requisition != null) { scriptBindings.put("requisition", requisition); } // Evaluate the script and return the requisition created in the script try (final Reader scriptReader = Files.newBufferedReader(script, StandardCharsets.UTF_8)) { LOGGER.debug("Start Script {}", script); requisition = (Requisition) scriptEngine.eval(scriptReader, scriptBindings); LOGGER.debug("Done Script {}", script); } } return requisition; }
From source file:org.apache.felix.webconsole.plugins.scriptconsole.internal.ScriptConsolePlugin.java
private void eval(String script, String lang, ScriptContext ctx) throws ScriptException, IOException { ScriptEngine scriptEngine = scriptEngineManager.getEngineByExtension(lang); if (scriptEngine == null) { throw new IllegalArgumentException("No ScriptEngineFactory found for extension " + lang); }//from w w w. ja v a 2 s. c o m // evaluate the script //Currently we do not make use of returned object final Object result = scriptEngine.eval(script, ctx); // allways flush the error channel ctx.getErrorWriter().flush(); }
From source file:org.jahia.modules.docrules.EmailDocumentRule.java
private String evaluate(String subject, JCRNodeWrapper document) { if (subject.contains("${")) { try {/*from w w w . j ava 2 s .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.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);//ww w .j av a 2 s .c o m engine.eval("g.V(marko).out().fill(temp)", bindings); assertEquals(list.size(), 3); }
From source file:com.hypersocket.upgrade.UpgradeServiceImpl.java
private void executeScript(Map<String, Object> beans, URL script) throws ScriptException, IOException { if (log.isInfoEnabled()) { log.info("Executing script " + script); }/* w w w. j a va 2 s.co m*/ if (script.getPath().endsWith(".js")) { ScriptContext context = new SimpleScriptContext(); ScriptEngine engine = buildEngine(beans, script, context); InputStream openStream = script.openStream(); if (openStream == null) { throw new FileNotFoundException("Could not locate resource " + script); } Reader in = new InputStreamReader(openStream); try { engine.eval(in, context); } finally { in.close(); } } else if (script.getPath().endsWith(".class")) { String path = script.getPath(); int idx = path.indexOf("upgrade/"); path = path.substring(idx); idx = path.lastIndexOf("."); path = path.substring(0, idx).replace("/", "."); try { @SuppressWarnings("unchecked") Class<? extends Runnable> clazz = (Class<? extends Runnable>) getClass().getClassLoader() .loadClass(path); Runnable r = clazz.newInstance(); springContext.getAutowireCapableBeanFactory().autowireBean(r); r.run(); } catch (Exception e) { throw new RuntimeException(e); } } else { BufferedReader r = new BufferedReader(new InputStreamReader(script.openStream())); try { String statement = ""; String line; boolean ignoreErrors = false; while ((line = r.readLine()) != null) { line = line.trim(); if (line.startsWith("EXIT IF FRESH")) { if (isFreshInstall()) { break; } continue; } if (!line.startsWith("/*") && !line.startsWith("//")) { if (line.endsWith(";")) { line = line.substring(0, line.length() - 1); statement += line; sessionFactory.getCurrentSession().createSQLQuery(statement).executeUpdate(); statement = ""; } else { statement += line + "\n"; } } } if (StringUtils.isNotBlank(statement)) { try { sessionFactory.getCurrentSession().createSQLQuery(statement).executeUpdate(); } catch (Throwable e) { if (!ignoreErrors) { throw e; } } } } finally { r.close(); } } }
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 a2 s . c om // 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; }