List of usage examples for javax.script ScriptEngineManager ScriptEngineManager
public ScriptEngineManager()
ScriptEngineManager(Thread.currentThread().getContextClassLoader()). From source file:com.xafero.vee.cmd.MainApp.java
private static void execute(String fileName) throws FileNotFoundException, ScriptException { File file = (new File(fileName)).getAbsoluteFile(); if (!file.exists()) throw new FileNotFoundException("There's no file named '" + file + "'!"); String extension = Files.getExtension(file); ScriptEngineManager mgr = new ScriptEngineManager(); ScriptEngine engine = mgr.getEngineByExtension(extension); Bindings env = engine.createBindings(); inject(env, file);// w ww. j av a2s. c om try { Object result = engine.eval(new FileReader(file), env); if (result != null) System.out.println(result.toString()); } catch (ScriptException e) { throw e; } }
From source file:co.mcme.barry.listeners.ChatListener.java
@EventHandler(priority = EventPriority.MONITOR) public void onMathChat(AsyncPlayerChatEvent event) { if (event.getMessage().contains(".math")) { Player p = event.getPlayer();/*from w w w. j av a 2 s.c om*/ ScriptEngineManager mgr = new ScriptEngineManager(); ScriptEngine engine = mgr.getEngineByName("JavaScript"); String[] msg = event.getMessage().split(" "); if (msg.length > 1) { try { List<String> list = new ArrayList<>(Arrays.asList(msg)); list.removeAll(Arrays.asList("", null, ".math")); String expression = StringUtils.join(list, " "); BarryPlugin.sendGlobalMessage("(" + ChatColor.DARK_AQUA + p.getName() + ChatColor.WHITE + ") " + expression + " = " + engine.eval(expression)); } catch (ScriptException ex) { b.sendTargetedMessage("I can't figure out that math problem.", p); } } else { b.sendTargetedMessage("I need to know what math to do", p); } } }
From source file:com.blackbear.flatworm.config.ScriptletBO.java
/** * Constructor for ScriptIdentityImpl that attempts to load the Script Engine specified by name. * * @param scriptEngineName The name of the script engine to load. If {@code null} the {@code ScriptletBO.DEFAULT_SCRIPT_ENGINE} is * used./*from www.j a v a 2 s . c o m*/ * @param functionName The name of the function in the script that should be executed - the {@link * com.blackbear.flatworm.FileFormat} instance will be the only parameter sent to the function specified. If the * {@code functionName} is {@code null} then the {@code ScriptIdentityImp.DEFAULT_SCRIPT_IDENTITY_FUNCTION_NAME} value will be * used. * @throws FlatwormConfigurationException should the script be invalid or should the {@code scriptEngineName} not resolve to a valid * script engine. */ public ScriptletBO(String scriptEngineName, String functionName) throws FlatwormConfigurationException { this.scriptEngineName = StringUtils.isBlank(scriptEngineName) ? DEFAULT_SCRIPT_ENGINE : scriptEngineName; this.functionName = StringUtils.isBlank(functionName) ? ScriptIdentityImpl.DEFAULT_SCRIPT_IDENTITY_FUNCTION_NAME : functionName; ScriptEngineManager engineManager = new ScriptEngineManager(); scriptEngine = engineManager.getEngineByName(this.scriptEngineName); if (scriptEngine == null) { throw new FlatwormConfigurationException(String .format("The %s ScriptEngine could not be found by the given name.", this.scriptEngineName)); } else { scriptInvocable = (Invocable) scriptEngine; } }
From source file:com.google.cloud.genomics.dockerflow.util.StringUtils.java
/** * Evaluate a javascript expression, like "${= 2*3}". * * @param js// w w w. j a v a 2 s. c om * @return the results as a string. */ public static String evalJavaScript(String expression) throws ScriptException { FileUtils.LOG.debug("javascript: " + expression); // Remove new lines from arrays, etc String s = expression.trim().replace("\n", " "); StringBuilder sb = new StringBuilder(); int start = s.indexOf("${=") + 3; // Keep text before the js if (start > 3) { sb.append(s.substring(0, start - 3)); } int end = s.lastIndexOf("}"); FileUtils.LOG.debug("start=" + start + ", end=" + end); String js = s.substring(start, end); FileUtils.LOG.info("Evaluate js: " + js); sb.append(String.valueOf(new ScriptEngineManager().getEngineByName("JavaScript").eval(js)).trim()); // Keep text after the js if (end < s.length() - 1) { sb.append(s.substring(end + 1)); } String retval = sb.toString(); // If there's more js, evaluate it too if (StringUtils.isJavaScript(retval)) { retval = evalJavaScript(retval); } return retval; }
From source file:edu.anu.spice.SpiceScorer.java
public void scoreBatch(SpiceArguments args) throws IOException, ScriptException { Stopwatch timer = Stopwatch.createStarted(); SpiceParser parser = new SpiceParser(args.cache, args.numThreads, args.synsets); // Build filters for tuple categories Map<String, TupleFilter> filters = new HashMap<String, TupleFilter>(); if (args.tupleSubsets) { filters.put("Object", TupleFilter.objectFilter); filters.put("Attribute", TupleFilter.attributeFilter); filters.put("Relation", TupleFilter.relationFilter); filters.put("Cardinality", TupleFilter.cardinalityFilter); filters.put("Color", TupleFilter.colorFilter); filters.put("Size", TupleFilter.sizeFilter); }/*from w w w.jav a 2 s .c om*/ // Parse test and refs from input file ArrayList<Object> image_ids = new ArrayList<Object>(); ArrayList<String> testCaptions = new ArrayList<String>(); ArrayList<String> refCaptions = new ArrayList<String>(); ArrayList<Integer> refChunks = new ArrayList<Integer>(); JSONParser json = new JSONParser(); JSONArray input; try { input = (JSONArray) json.parse(new FileReader(args.inputPath)); for (Object o : input) { JSONObject item = (JSONObject) o; image_ids.add(item.get("image_id")); testCaptions.add((String) item.get("test")); JSONArray refs = (JSONArray) item.get("refs"); refChunks.add(refs.size()); for (Object ref : refs) { refCaptions.add((String) ref); } } } catch (ParseException e) { System.err.println("Could not read input: " + args.inputPath); System.err.println(e.toString()); e.printStackTrace(); } System.err.println("Parsing reference captions"); List<SceneGraph> refSgs = parser.parseCaptions(refCaptions, refChunks); System.err.println("Parsing test captions"); List<SceneGraph> testSgs = parser.parseCaptions(testCaptions); this.stats = new SpiceStats(filters, args.detailed); for (int i = 0; i < testSgs.size(); ++i) { this.stats.score(image_ids.get(i), testSgs.get(i), refSgs.get(i), args.synsets); } if (!args.silent) { System.out.println(this.stats.toString()); } if (args.outputPath != null) { BufferedWriter outputWriter = new BufferedWriter(new FileWriter(args.outputPath)); // Pretty print output using javascript String jsonStringNoWhitespace = this.stats.toJSONString(); ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine scriptEngine = manager.getEngineByName("JavaScript"); scriptEngine.put("jsonString", jsonStringNoWhitespace); scriptEngine.eval("result = JSON.stringify(JSON.parse(jsonString), null, 2)"); String prettyPrintedJson = (String) scriptEngine.get("result"); outputWriter.write(prettyPrintedJson); outputWriter.close(); } System.out.println("SPICE evaluation took: " + timer.stop()); }
From source file:org.unitime.timetable.server.script.ScriptExecution.java
@Override protected void execute() throws Exception { org.hibernate.Session hibSession = ScriptDAO.getInstance().getSession(); Transaction tx = hibSession.beginTransaction(); try {/*from w w w .ja va2 s . c o m*/ setStatus("Starting up...", 3); Script script = ScriptDAO.getInstance().get(iRequest.getScriptId(), hibSession); ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine engine = manager.getEngineByName(script.getEngine()); engine.put("hibSession", hibSession); engine.put("session", SessionDAO.getInstance().get(getSessionId())); engine.put("log", this); incProgress(); engine.getContext().setWriter(new Writer() { @Override public void write(char[] cbuf, int off, int len) throws IOException { String line = String.valueOf(cbuf, off, len); if (line.endsWith("\n")) line = line.substring(0, line.length() - 1); if (!line.isEmpty()) info(line); } @Override public void flush() throws IOException { } @Override public void close() throws IOException { } }); engine.getContext().setErrorWriter(new Writer() { @Override public void write(char[] cbuf, int off, int len) throws IOException { String line = String.valueOf(cbuf, off, len); if (line.endsWith("\n")) line = line.substring(0, line.length() - 1); if (!line.isEmpty()) warn(line); } @Override public void flush() throws IOException { } @Override public void close() throws IOException { } }); incProgress(); debug("Engine: " + engine.getFactory().getEngineName() + " (ver. " + engine.getFactory().getEngineVersion() + ")"); debug("Language: " + engine.getFactory().getLanguageName() + " (ver. " + engine.getFactory().getLanguageVersion() + ")"); for (ScriptParameter parameter : script.getParameters()) { String value = iRequest.getParameters().get(parameter.getName()); if ("file".equals(parameter.getType()) && iFile != null) { debug(parameter.getName() + ": " + iFile.getName() + " (" + iFile.getSize() + " bytes)"); engine.put(parameter.getName(), iFile); continue; } if (value == null) value = parameter.getDefaultValue(); if (value == null) { engine.put(parameter.getName(), null); continue; } debug(parameter.getName() + ": " + value); if (parameter.getType().equalsIgnoreCase("boolean")) { engine.put(parameter.getName(), "true".equalsIgnoreCase(value)); } else if (parameter.getType().equalsIgnoreCase("long")) { engine.put(parameter.getName(), Long.valueOf(value)); } else if (parameter.getType().equalsIgnoreCase("int") || parameter.getType().equalsIgnoreCase("integer")) { engine.put(parameter.getName(), Integer.valueOf(value)); } else if (parameter.getType().equalsIgnoreCase("double")) { engine.put(parameter.getName(), Double.valueOf(value)); } else if (parameter.getType().equalsIgnoreCase("float")) { engine.put(parameter.getName(), Float.valueOf(value)); } else if (parameter.getType().equalsIgnoreCase("short")) { engine.put(parameter.getName(), Short.valueOf(value)); } else if (parameter.getType().equalsIgnoreCase("byte")) { engine.put(parameter.getName(), Byte.valueOf(value)); } else if (parameter.getType().equalsIgnoreCase("department")) { engine.put(parameter.getName(), DepartmentDAO.getInstance().get(Long.valueOf(value), hibSession)); } else if (parameter.getType().equalsIgnoreCase("departments")) { List<Department> departments = new ArrayList<Department>(); for (String id : value.split(",")) if (!id.isEmpty()) departments.add(DepartmentDAO.getInstance().get(Long.valueOf(id), hibSession)); engine.put(parameter.getName(), departments); } else if (parameter.getType().equalsIgnoreCase("subject")) { engine.put(parameter.getName(), SubjectAreaDAO.getInstance().get(Long.valueOf(value), hibSession)); } else if (parameter.getType().equalsIgnoreCase("subjects")) { List<SubjectArea> subjects = new ArrayList<SubjectArea>(); for (String id : value.split(",")) if (!id.isEmpty()) subjects.add(SubjectAreaDAO.getInstance().get(Long.valueOf(id), hibSession)); engine.put(parameter.getName(), subjects); } else if (parameter.getType().equalsIgnoreCase("building")) { engine.put(parameter.getName(), BuildingDAO.getInstance().get(Long.valueOf(value), hibSession)); } else if (parameter.getType().equalsIgnoreCase("buildings")) { List<Building> buildings = new ArrayList<Building>(); for (String id : value.split(",")) if (!id.isEmpty()) buildings.add(BuildingDAO.getInstance().get(Long.valueOf(id), hibSession)); engine.put(parameter.getName(), buildings); } else if (parameter.getType().equalsIgnoreCase("room")) { engine.put(parameter.getName(), RoomDAO.getInstance().get(Long.valueOf(value), hibSession)); } else if (parameter.getType().equalsIgnoreCase("rooms")) { List<Room> rooms = new ArrayList<Room>(); for (String id : value.split(",")) if (!id.isEmpty()) rooms.add(RoomDAO.getInstance().get(Long.valueOf(id), hibSession)); engine.put(parameter.getName(), rooms); } else if (parameter.getType().equalsIgnoreCase("location")) { engine.put(parameter.getName(), LocationDAO.getInstance().get(Long.valueOf(value), hibSession)); } else if (parameter.getType().equalsIgnoreCase("locations")) { List<Location> locations = new ArrayList<Location>(); for (String id : value.split(",")) if (!id.isEmpty()) locations.add(LocationDAO.getInstance().get(Long.valueOf(id), hibSession)); engine.put(parameter.getName(), locations); } else { engine.put(parameter.getName(), value); } } incProgress(); if (engine instanceof Compilable) { setStatus("Compiling script...", 1); CompiledScript compiled = ((Compilable) engine).compile(script.getScript()); incProgress(); setStatus("Running script...", 100); compiled.eval(); } else { setStatus("Running script...", 100); engine.eval(script.getScript()); } hibSession.flush(); tx.commit(); setStatus("All done.", 1); incProgress(); } catch (Exception e) { tx.rollback(); error("Execution failed: " + e.getMessage(), e); } finally { hibSession.close(); } }
From source file:org.sonar.fortify.crawler.Main.java
private void executeJSCode(String pageSrc) throws ScriptException { ScriptEngineManager factory = new ScriptEngineManager(); ScriptEngine engine = factory.getEngineByName("JavaScript"); engine.put("d", this); engine.eval(pageSrc);/*www . ja va 2s. c o m*/ }
From source file:org.jdto.mergers.ScriptMerger.java
private ScriptEngine initializeScriptEngine(String[] extraParam) { String engineName = DEFAULT_SCRIPT_ENGINE; //the script engine may be configured as the second parameter. if (extraParam.length > 1 && !StringUtils.isEmpty(extraParam[1])) { engineName = extraParam[1];//from w ww .j a v a2s .co m } //TODO - REVIEW IF THIS IS SAFE TO INSTANTIATE ALL THE TIME ScriptEngineManager scriptEngineMgr = new ScriptEngineManager(); //TODO - REVIEW IF THIS IS SAFE TO INSTANTIATE ALL THE TIME ScriptEngine engine = scriptEngineMgr.getEngineByName(engineName); if (engine == null) { logger.error("Engine " + engineName + " not found!."); throw new IllegalArgumentException("No scripting engine " + "could be found with name: " + engineName); } return engine; }
From source file:com.seajas.search.profiler.validator.ModifierValidator.java
/** * Validate the given command object.//from w w w. j a v a 2s . c o m * * @param command * @param errors */ @Override public void validate(final Object command, final Errors errors) { ModifierCommand modifier = (ModifierCommand) command; if (modifier.getAction() != null && (modifier.getAction().equals("add") || modifier.getAction().equals("edit"))) { if (StringUtils.isEmpty(modifier.getUrlExpression())) errors.rejectValue("urlExpression", "modifiers.validator.error.url.expression.empty"); else try { Pattern.compile(modifier.getUrlExpression()); } catch (PatternSyntaxException e) { errors.rejectValue("urlExpression", "modifiers.validator.error.url.expression.invalid"); } if (StringUtils.isEmpty(modifier.getUrlType())) errors.rejectValue("urlType", "modifiers.validator.error.url.type.empty"); } else if (modifier.getFilterAction() != null && (modifier.getFilterAction().equals("add-filter") || modifier.getFilterAction().equals("edit-filter"))) { if (StringUtils.isEmpty(modifier.getFilterStart())) errors.rejectValue("filterStart", "modifiers.validator.error.filter.start.empty"); else if (modifier.getFilterAsExpression()) try { Pattern.compile(modifier.getFilterStart()); } catch (PatternSyntaxException e) { errors.rejectValue("filterStart", "modifiers.validator.error.filter.start.invalid"); } if (StringUtils.isEmpty(modifier.getFilterEnd())) errors.rejectValue("filterEnd", "modifiers.validator.error.filter.end.empty"); else if (modifier.getFilterAsExpression()) try { Pattern.compile(modifier.getFilterEnd()); } catch (PatternSyntaxException e) { errors.rejectValue("filterEnd", "modifiers.validator.error.filter.end.invalid"); } } else if (modifier.getScriptAction() != null && (modifier.getScriptAction().equals("add-script") || modifier.getScriptAction().equals("edit-script"))) { if (StringUtils.isEmpty(modifier.getScriptLanguage())) errors.rejectValue("scriptLanguage", "modifiers.validator.error.script.language.invalid"); if (StringUtils.isEmpty(modifier.getScriptContent())) errors.rejectValue("scriptContent", "modifiers.validator.error.script.content.empty"); else { if (modifier.getScriptLanguage().equalsIgnoreCase("xslt")) { StreamSource source = new StreamSource(new StringReader(modifier.getScriptContent())); try { TransformerFactory.newInstance().newTransformer(source); } catch (Exception e) { errors.rejectValue("scriptContent", "modifiers.validator.error.script.content.invalid.transformation"); } } else { ScriptEngineManager engineManager = new ScriptEngineManager(); ScriptEngine engine = engineManager.getEngineByName(modifier.getScriptLanguage().toLowerCase()); engine.put("input", ""); engine.put("inputUrl", ""); engine.put("inputMaximumContentLength", 0L); try { engine.eval(modifier.getScriptContent()); } catch (ScriptException e) { errors.rejectValue("scriptContent", "modifiers.validator.error.script.content.syntax.error"); logger.warn("Script validation failed", e); } } } } }