Example usage for jdk.nashorn.internal.runtime Context Context

Introduction

In this page you can find the example usage for jdk.nashorn.internal.runtime Context Context.

Prototype

public Context(final Options options, final ErrorManager errors, final ClassLoader appLoader) 

Source Link

Document

Constructor

Usage

From source file:capframework.http.core.ConfigFileParser.java

License:Apache License

void parse() {
    if (isConfigFileExist()) {
        try {// ww w  . ja va  2  s .  c  om
            FileInputStream inputStream = new FileInputStream(file);
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            int len;
            byte[] buffer = new byte[1024];
            while ((len = inputStream.read(buffer)) != -1) {
                outputStream.write(buffer, 0, len);
            }
            String src = outputStream.toString();
            Context context = new Context(new Options("cap"), new ErrorManager(), loader);
            JSONParser jsonParser = new JSONParser(src, new Global(context), true);
            json = (JD) jsonParser.parse();
            configs = (JD) json.get("ApplicationConfig");
            resources = (JD) json.get("ResourceMapping");
            errors = (NativeArray) json.get("ErrorHandlerMapping");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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From source file:com.siemens.ct.exi.javascript.JStoAST.java

License:Open Source License

public static String getAST(String jsCode) throws IOException, EXIException {
    // http://sites.psu.edu/robertbcolton/2015/07/31/java-8-nashorn-script-engine/
    /*//from  www  .  j a v a 2 s .c  om
     * This JSON encoding provided by Nashorn is compliant with the
     * community standard JavaScript JSON AST model popularized by Mozilla.
     * https://developer.mozilla.org/en-US/docs/Mozilla/Projects/
     * SpiderMonkey/Parser_API
     */
    // Additionally the OpenJDK project is developing a public interface for
    // Java 9 that allows AST traversal in a more standard and user friendly
    // way.
    // String code = "function a() { var b = 5; } function c() { }";
    // String sin = "./data//jquery.min.js";
    // String sin = "./data/animals.js";
    // String code = new String(Files.readAllBytes(Paths.get(sin)));

    // ScriptEngine engine = new
    // ScriptEngineManager().getEngineByName("nashorn");
    // engine.eval("print('Hello World!');");
    // load jquery source file
    // engine.eval("load('" +
    // "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js" +
    // "');");
    // engine.eval("load('" + sin + "');");

    Options options = new Options("nashorn");
    options.set("anon.functions", true);
    options.set("parse.only", true);
    options.set("scripting", true);

    ErrorManager errors = new ErrorManager();
    Context contextm = new Context(options, errors, Thread.currentThread().getContextClassLoader());
    Context.setGlobal(contextm.createGlobal());
    String jsonAST = ScriptUtils.parse(jsCode, "<unknown>", false);

    return jsonAST;
}

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From source file:IDE.SyntaxTree.JWebParser.java

public JWebParser(String source) {

    strSource = source;//from w w  w.ja  v a2 s .c om

    Options opt = new Options("nashorn");
    opt.set("anon.functions", true);
    //   opt.set("parse.only", true);
    opt.set("scripting", true);

    Context context = new Context(opt, em, Thread.currentThread().getContextClassLoader());
    Context.setGlobal(new Global(context));
    Source textSource = Source.sourceFor("mySource", source);

    env = context.getEnv();//new ScriptEnvironment(opt, new PrintWriter(OutWriter), new PrintWriter(ErrorWriter) );

    nashornParser = new jdk.nashorn.internal.parser.Parser(env, textSource, em);

    // jdk.nashorn.internal.ir.FunctionCall

}

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From source file:me.finalchild.nashornbukkit.util.BukkitImporter.java

License:MIT License

public static Set<String> getUsedIdentifiers(Path file) throws IOException {
    Set<String> result = new HashSet<>();
    String text = new String(Files.readAllBytes(file), StandardCharsets.UTF_8);
    String json;//from w w  w.  j  a  v a 2  s  .c om

    Options options = new Options("");
    ErrorManager errorManager = new ErrorManager();
    Context context = new Context(options, errorManager, NashornBukkit.class.getClassLoader());
    Context.setGlobal(context.createGlobal());
    json = ScriptUtils.parse(text, file.getFileName().toString(), false);

    JsonParser jsonParser = new JsonParser();
    JsonObject rootObj = jsonParser.parse(json).getAsJsonObject();

    addUsedIdentifiers(rootObj, result);
    return result;
}

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