Package javax.script

Examples of javax.script.ScriptEngine

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        return factory.getProgram(statements);
    }

    @Override
    public ScriptEngine getScriptEngine() {
        ScriptEngine engine;
        if (contextClassLoader == null) {
            engine = factory.getScriptEngine();
        } else {
            Thread currentThread = Thread.currentThread();
            ClassLoader old = currentThread.getContextClassLoader();
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    }

    @Override
    public void run() throws Exception {
        ScriptEngineManager scriptEngineManager = ScriptEngineManagerContext.getScriptEngineManager();
        ScriptEngine engine = scriptEngineManager.getEngineByName(engineName);
        if (engine == null) {
            throw new IllegalArgumentException("Could not find ScriptEngine named '" + engineName + "'.");
        }
        engine.put("hazelcast", getNodeEngine().getHazelcastInstance());
        if (bindings != null) {
            Set<Map.Entry<String, Object>> entries = bindings.entrySet();
            for (Map.Entry<String, Object> entry : entries) {
                engine.put(entry.getKey(), entry.getValue());
            }
        }
        try {
            this.result = engine.eval(script);
        } catch (ScriptException e) {
            this.result = e.getMessage();
        }
    }
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            scriptNamesAsList.remove("ruby");
        }
       
        ScriptEngineManager manager = new ScriptEngineManager();
        for (String scriptName : scriptNamesAsList) {
            ScriptEngine engine = manager.getEngineByName(scriptName);
            assertNotNull("We should get the script engine for " + scriptName , engine);
        }
    }
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    public static CompiledScript compileScriptFile(String filePath) throws ScriptException, IOException {
        Assert.notNull("filePath", filePath);
        CompiledScript script = parsedScripts.get(filePath);
        if (script == null) {
            ScriptEngineManager manager = new ScriptEngineManager();
            ScriptEngine engine = manager.getEngineByExtension(getFileExtension(filePath));
            if (engine == null) {
                throw new IllegalArgumentException("The script type is not supported for location: " + filePath);
            }
            try {
                Compilable compilableEngine = (Compilable) engine;
                URL scriptUrl = FlexibleLocation.resolveLocation(filePath);
                BufferedReader reader = new BufferedReader(new InputStreamReader(scriptUrl.openStream()));
                script = compilableEngine.compile(reader);
                if (Debug.verboseOn()) {
                    Debug.logVerbose("Compiled script " + filePath + " using engine " + engine.getClass().getName(), module);
                }
            } catch (ClassCastException e) {
                if (Debug.verboseOn()) {
                    Debug.logVerbose("Script engine " + engine.getClass().getName() + " does not implement Compilable", module);
                }
            }
            if (script != null) {
                parsedScripts.putIfAbsent(filePath, script);
            }
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        Assert.notNull("language", language, "script", script);
        String cacheKey = language.concat("://").concat(script);
        CompiledScript compiledScript = parsedScripts.get(cacheKey);
        if (compiledScript == null) {
            ScriptEngineManager manager = new ScriptEngineManager();
            ScriptEngine engine = manager.getEngineByName(language);
            if (engine == null) {
                throw new IllegalArgumentException("The script type is not supported for language: " + language);
            }
            try {
                Compilable compilableEngine = (Compilable) engine;
                compiledScript = compilableEngine.compile(script);
                if (Debug.verboseOn()) {
                    Debug.logVerbose("Compiled script [" + script + "] using engine " + engine.getClass().getName(), module);
                }
            } catch (ClassCastException e) {
                if (Debug.verboseOn()) {
                    Debug.logVerbose("Script engine " + engine.getClass().getName() + " does not implement Compilable", module);
                }
            }
            if (script != null) {
                parsedScripts.putIfAbsent(cacheKey, compiledScript);
            }
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            CompiledScript compiledScript = compileScriptString(language, script);
            if (compiledScript != null) {
                return executeScript(compiledScript, null, createScriptContext(context), null);
            }
            ScriptEngineManager manager = new ScriptEngineManager();
            ScriptEngine engine = manager.getEngineByName(language);
            if (engine == null) {
                throw new IllegalArgumentException("The script type is not supported for language: " + language);
            }
            if (Debug.verboseOn()) {
                Debug.logVerbose("Begin processing script [" + script + "] using engine " + engine.getClass().getName(), module);
            }
            ScriptContext scriptContext = createScriptContext(context);
            return engine.eval(script, scriptContext);
        } catch (Exception e) {
            String errMsg = "Error running " + language + " script [" + script + "]: " + e.toString();
            Debug.logWarning(e, errMsg, module);
            throw new IllegalArgumentException(errMsg);
        }
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        Object result = script.eval(scriptContext);
        if (UtilValidate.isNotEmpty(functionName)) {
            if (Debug.verboseOn()) {
                Debug.logVerbose("Invoking function/method " + functionName, module);
            }
            ScriptEngine engine = script.getEngine();
            try {
                Invocable invocableEngine = (Invocable) engine;
                result = invocableEngine.invokeFunction(functionName, args == null ? EMPTY_ARGS : args);
            } catch (ClassCastException e) {
                throw new ScriptException("Script engine " + engine.getClass().getName() + " does not support function/method invocations");
            }
        }
        return result;
    }
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                return executeScript(script, functionName, scriptContext, args);
            }
        }
        String fileExtension = getFileExtension(filePath);
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByExtension(fileExtension);
        if (engine == null) {
            throw new IllegalArgumentException("The script type is not supported for location: " + filePath);
        }
        if (Debug.verboseOn()) {
            Debug.logVerbose("Begin processing script [" + filePath + "] using engine " + engine.getClass().getName(), module);
        }
        engine.setContext(scriptContext);
        URL scriptUrl = FlexibleLocation.resolveLocation(filePath);
        FileReader reader = new FileReader(new File(scriptUrl.getFile()));
        Object result = engine.eval(reader);
        if (UtilValidate.isNotEmpty(functionName)) {
            try {
                Invocable invocableEngine = (Invocable) engine;
                result = invocableEngine.invokeFunction(functionName, args == null ? EMPTY_ARGS : args);
            } catch (ClassCastException e) {
                throw new ScriptException("Script engine " + engine.getClass().getName() + " does not support function/method invocations");
            }
        }
        return result;
    }
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        LOG.debug("Found " + refs.length + " OSGi ScriptEngineResolver services");
       
        for (ServiceReference ref : refs) {
            ScriptEngineResolver resolver = (ScriptEngineResolver) context.getService(ref);
            ScriptEngine engine = resolver.resolveScriptEngine(scriptEngineName);
            context.ungetService(ref);
            LOG.debug("OSGi resolver " + resolver + " produced " + scriptEngineName + " engine " + engine);
            if (engine != null) {
                return engine;
            }
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                ScriptEngineFactory factory = (ScriptEngineFactory) cls.newInstance();
                List<String> names = factory.getNames();
                for (String test : names) {
                    if (test.equals(name)) {
                        ClassLoader old = Thread.currentThread().getContextClassLoader();
                        ScriptEngine engine;
                        try {
                            // JRuby seems to require the correct TCCL to call getScriptEngine
                            Thread.currentThread().setContextClassLoader(factory.getClass().getClassLoader());
                            engine = factory.getScriptEngine();
                        } finally {
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