Example usage for jdk.nashorn.api.scripting ScriptObjectMirror put

List of usage examples for jdk.nashorn.api.scripting ScriptObjectMirror put

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Introduction

In this page you can find the example usage for jdk.nashorn.api.scripting ScriptObjectMirror put.

Prototype

@Override
    public Object put(final String key, final Object value)

Source Link

Usage

From source file:com.asual.lesscss.compiler.NashornCompiler.java

License:Apache License

public NashornCompiler(LessOptions options, ResourceLoader loader, URL less, URL env, URL engine, URL cssmin,
        URL sourceMap) throws IOException {
    ScriptEngineManager factory = new ScriptEngineManager();
    ScriptEngine scriptEngine = factory.getEngineByName("nashorn");
    try {//w  ww . j  ava 2 s.  c  o m
        scriptEngine.eval(new InputStreamReader(sourceMap.openConnection().getInputStream()));
        scriptEngine.eval(new InputStreamReader(env.openConnection().getInputStream()));
        ScriptObjectMirror lessenv = (ScriptObjectMirror) scriptEngine.get("lessenv");
        lessenv.put("charset", options.getCharset());
        lessenv.put("css", options.isCss());
        lessenv.put("lineNumbers", options.getLineNumbers());
        lessenv.put("optimization", options.getOptimization());
        lessenv.put("sourceMap", options.isSourceMap());
        lessenv.put("sourceMapRootpath", options.getSourceMapRootpath());
        lessenv.put("sourceMapBasepath", options.getSourceMapBasepath());
        lessenv.put("sourceMapURL", options.getSourceMapUrl());
        lessenv.put("loader", loader);
        lessenv.put("paths", options.getPaths());
        scriptEngine.eval(new InputStreamReader(less.openConnection().getInputStream()));
        scriptEngine.eval(new InputStreamReader(cssmin.openConnection().getInputStream()));
        scriptEngine.eval(new InputStreamReader(engine.openConnection().getInputStream()));
        compile = (ScriptObjectMirror) scriptEngine.get("compile");
    } catch (ScriptException e) {
        logger.error(e.getMessage(), e);
    }
}

From source file:com.mckoi.webplatform.nashorn.NashornInstanceGlobalFactory.java

License:Open Source License

/**
 * Initializes the NashornInternal object.
 * //  w  ww.ja v  a2 s . co  m
 * @param cl the ClassLoader to use, or null for default.
 */
public void init(final ClassLoader cl) {

    // Incase we call 'init' more than once,
    if (PRIV_nashorn_ctx != null) {
        return;
    }

    // Hacky way to return properties from the Nashorn engine,
    final Object[] inner_data = new Object[5];

    // Run initialization in a privileged security context,
    AccessController.doPrivileged(new PrivilegedAction<Object>() {
        @Override
        public Object run() {

            // We make a VM static NashornScriptEngine that we use to compile
            // scripts and fork new JavaScript instances.

            NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
            NashornScriptEngine engine;
            if (cl == null) {
                engine = (NashornScriptEngine) factory.getScriptEngine(engine_args);
            } else {
                engine = (NashornScriptEngine) factory.getScriptEngine(engine_args, cl);
            }

            // We add some functions to the global object,
            ScriptObjectMirror global_object = (ScriptObjectMirror) engine
                    .getBindings(ScriptContext.ENGINE_SCOPE);

            // A function that performs startup. We execute this to obtain
            // information about the engine such as the Global and Context object.
            // It seems the only way to get at this information is from code
            // running within the engine.
            global_object.put("engineStartup", new EngineStartupFunction(inner_data));

            // Invoke the 'engineStartup' function to get at the priviledged
            // information.
            try {
                engine.invokeFunction("engineStartup", new Object[0]);
            } catch (ScriptException | NoSuchMethodException ex) {
                // Oops,
                throw new RuntimeException(ex);
            } finally {
                // Don't leave this function around, just incase,
                global_object.delete("engineStartup");
            }

            return null;
        }
    });

    PRIV_nashorn_ctx = (Context) inner_data[0];
    //    base_nashorn_global = (Global) inner_data[1];

}

From source file:com.tod.utils.logging.FleepAppender.java

License:Open Source License

@Override
protected void append(LoggingEvent event) {
    try {//from   w  w  w  .  j  a va2  s  .co  m
        LogLog.debug("Sending 'POST' request to URL: " + url);
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        con.setRequestMethod("POST");
        con.setRequestProperty("Content-type", "application/json");

        ScriptObjectMirror payload = getJSObject();

        if (this.userName != null) {
            payload.put("user", this.userName);
        }

        StringBuffer content = new StringBuffer();
        content.append("*");
        content.append(event.getLevel().toString());
        content.append("* ");
        content.append(event.getMessage().toString());

        String[] stack = event.getThrowableStrRep();
        if (stack != null && stack.length > 0) {
            content.append("\n:::\n");
            content.append(String.join("\n", stack));
        }

        payload.put("message", content.toString());

        String payloadString = toJSONString(payload);
        LogLog.debug("Prequest payload: " + payloadString);

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(payloadString);
        wr.flush();
        wr.close();

        LogLog.debug("Response Code: " + con.getResponseCode());

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        LogLog.debug("Response: " + response.toString());
    } catch (Exception e) {
        e.printStackTrace();
        LogLog.error("Error posting to Fleep", e);
    }
}

From source file:org.jcruncher.less.LessProcessor.java

License:Apache License

public LessProcessor() {
    try {//from  ww w .j  a  v a 2  s  .  c  om

        Path basePath = Util.getClasspathBasePath();
        //System.out.println("basePath .... " + basePath);

        Path lessPath = basePath.resolve(LESS_ROOT + "less.js");
        Path envPath = basePath.resolve(LESS_ROOT + "env.js");
        Path enginePath = basePath.resolve(LESS_ROOT + "engine.js");

        ScriptEngineManager engineManager = new ScriptEngineManager();
        ScriptEngine nashornEngine = engineManager.getEngineByName("nashorn");
        Invocable invocable = (Invocable) nashornEngine;

        ResourceLoader loader = new FilesystemResourceLoader();

        nashornEngine.eval(newBufferedReader(envPath, UTF_8));
        ScriptObjectMirror lessenv = (ScriptObjectMirror) nashornEngine.get("lessenv");
        lessenv.put("charset", "UTF-8");
        lessenv.put("css", false);
        lessenv.put("loader", loader);

        nashornEngine.eval(newBufferedReader(lessPath, UTF_8));

        nashornEngine.eval(newBufferedReader(enginePath, UTF_8));

        compileFunc = (ScriptObjectMirror) nashornEngine.get("compile");

    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException("Cannot intialize LessProcessor:\n" + e.getMessage());
    }
}

From source file:org.siphon.common.js.JsEngineUtil.java

License:Open Source License

public static Object eval(ScriptEngine jsEngine, String srcFile, boolean onlyOnce, boolean preservePathInStack)
        throws Exception {
    ScriptObjectMirror importedFiles = (ScriptObjectMirror) jsEngine.get("IMPORTED_FILES");
    if (importedFiles.containsKey(srcFile)) {
        if (onlyOnce)
            return null;
    } else {//w  w w  . j  a  v  a 2s . com
        importedFiles.put(srcFile, true);
    }
    ScriptObjectMirror stk = (ScriptObjectMirror) jsEngine.get("IMPORTS_PATH_STACK");
    // NativeArray.pushObject(stk.to(NativeArray.class), srcFile);
    //stk.callMember("push", srcFile);

    try {
        String code = FileUtils.readFileToString(new File(srcFile), "utf-8");
        return eval(jsEngine, srcFile, code);
    } catch (ScriptException | FileNotFoundException e) {
        throw e;
    } finally {
        if (!preservePathInStack)
            NativeArray.pop(stk.to(NativeArray.class));
    }
}

From source file:org.siphon.common.js.JsEngineUtil.java

License:Open Source License

public static Object eval(ScriptEngine jsEngine, String srcFile, String aliasPath, String script,
        boolean onlyOnce, boolean preservePathInStack) throws NoSuchMethodException, ScriptException {
    ScriptObjectMirror importedFiles = (ScriptObjectMirror) jsEngine.get("IMPORTED_FILES");
    if (importedFiles.containsKey(srcFile)) {
        if (onlyOnce)
            return null;
    } else {/*from  w  w  w . j a v a2  s .  c o m*/
        importedFiles.put(srcFile, true);
    }
    ScriptObjectMirror stk = (ScriptObjectMirror) jsEngine.get("IMPORTS_PATH_STACK");
    //NativeArray.pushObject((Object)(stk.to(NativeArray.class)), (Object)srcFile);
    stk.callMember("push", srcFile);

    try {
        return eval(jsEngine, aliasPath, script);
    } catch (ScriptException e) {
        throw e;
    } finally {
        if (!preservePathInStack)
            NativeArray.pop(stk.to(NativeArray.class));
    }
}

From source file:org.siphon.common.js.JsTypeUtil.java

License:Open Source License

/**
 * java js ?? HashMap, List, Date, RegExp, Double, Integer, Long, Float, Boolean  byte 
 * @param object//from ww  w. j  a v a  2 s.  com
 * @return
 * @throws ScriptException 
 */
public Object javaObjectToJs(Object object) throws ScriptException {
    if (object == null)
        return null;

    if (isStringKeyMap(object)) {
        ScriptObjectMirror obj = this.newObject();
        Map<String, Object> m = (Map<String, Object>) object;
        for (String key : m.keySet()) {
            obj.put(key, javaObjectToJs(m.get(key)));
        }
        return obj.to(Object.class);
    } else if (object instanceof List) {
        ScriptObjectMirror arr = this.newArray();
        List objects = (List) object;
        for (int i = 0; i < objects.size(); i++) {
            // NativeArray.push(array, objects[i]);
            arr.callMember("push", javaObjectToJs(objects.get(i)));
        }
        return arr.to(Object.class);
    } else if (object.getClass().isArray()) {
        ScriptObjectMirror arr = this.newArray();
        for (int i = 0; i < Array.getLength(object); i++) {
            arr.callMember("push", javaObjectToJs(Array.get(object, i)));
        }
        return arr.to(Object.class);
    } else if (object instanceof Date) {
        return toNativeDate(((Date) object).getTime());
    } else if (object instanceof Pattern) {
        if (this.newRegExp == null) {
            this.newRegExp = (ScriptObjectMirror) this.engine.get("RegExp");
        }
        return newRegExp.callMember("call", null, ((Pattern) object).pattern());
    } else {
        return object;
    }
}

From source file:org.siphon.d2js.D2jsFormatter.java

License:Open Source License

@Override
public String formatException(Object exception, ScriptEngine engine) throws Exception {
    if (exception instanceof ScriptObjectMirror) {
        return formatException(JsTypeUtil.getSealed((ScriptObjectMirror) exception), engine);
    } else if (exception instanceof ScriptObject) {
        //NativeError, NativeTypeError, NativeEvalError, ...
        //  JSON.stringify Error ??? hack instMessage
        //         if(((ScriptObject) exception).getOwnKeys(false).length == 0){
        //            Object instMessage = ((ScriptObject) exception).get("message");      // instMessage
        //            if(instMessage != null){
        //               exception = instMessage;
        //            }
        //         }      
    } else if (exception instanceof SqlExecutorException) {
        SqlExecutorException sqlExecutorException = (SqlExecutorException) exception;
        if (sqlExecutorException.getCause() instanceof SQLException) {
            exception = sqlExecutorException.getCause().getMessage();
        } else {//from w  w  w .j ava 2  s . c om
            exception = sqlExecutorException.getMessage();
        }
    } else if (exception instanceof Throwable) {
        if (((Throwable) exception).getCause() instanceof SqlExecutorException) {
            return formatException(((Throwable) exception).getCause(), engine);
        }
        exception = ((Throwable) exception).getMessage();
    } else {
        exception = exception.toString();
    }
    ScriptObjectMirror result = new JsTypeUtil(engine).newObject();
    result.put("error", exception);

    return new JSON(engine).stringify(result);
}

From source file:org.siphon.d2js.D2jsFormatter.java

License:Open Source License

@Override
public String formatException(String exception, ScriptEngine engine) throws Exception {
    JsTypeUtil jsTypeUtil = new JsTypeUtil(engine);

    ScriptObjectMirror result = jsTypeUtil.newObject();
    result.put("error", exception);

    return new JSON(engine).stringify(result);

}

From source file:org.siphon.d2js.D2jsRunner.java

License:Open Source License

protected String getParams(JsspRequest request) throws Exception {
    String s = request.getParameter("params");
    if (s != null) {
        return s;
    }// ww  w .  j  a  v  a 2s .c om

    ScriptObjectMirror params = jsTypeUtil.newObject();
    Map<String, String[]> parameterMap = request.getParameterMap();
    for (String p : parameterMap.keySet()) {
        params.put(p, request.get(p));
    }
    return com.alibaba.fastjson.JSON.toJSONString(params);
}