Examples with SimpleScriptContext javax.script.SimpleScriptContext used on opensource projects

Example 46 with SimpleScriptContext

use of javax.script.SimpleScriptContext in project java8-tutorial by winterbe.

the class Nashorn11 method test2.

private static void test2() throws ScriptException {
    NashornScriptEngine engine = createEngine();
    engine.eval("function foo() { print('bar') };");
    SimpleScriptContext context = new SimpleScriptContext();
    engine.eval("print(Function);", context);
    engine.eval("foo();", context);
}

Example 47 with SimpleScriptContext

use of javax.script.SimpleScriptContext in project sling by apache.

the class ScriptEngineHelper method eval.

public Object eval(String javascriptCode, Map<String, Object> data, final StringWriter sw) throws ScriptException {
    final PrintWriter pw = new PrintWriter(sw, true);
    ScriptContext ctx = new SimpleScriptContext();
    final Bindings b = new SimpleBindings();
    b.put("out", pw);
    if (data != null) {
        for (Map.Entry<String, Object> e : data.entrySet()) {
            b.put(e.getKey(), e.getValue());
        }
    }
    ctx.setBindings(b, ScriptContext.ENGINE_SCOPE);
    ctx.setWriter(sw);
    ctx.setErrorWriter(new OutputStreamWriter(System.err));
    Object result = getEngine().eval(javascriptCode, ctx);
    if (result instanceof Wrapper) {
        result = ((Wrapper) result).unwrap();
    }
    if (result instanceof ScriptableObject) {
        Context.enter();
        try {
            result = ((ScriptableObject) result).getDefaultValue(null);
        } finally {
            Context.exit();
        }
    }
    return result;
}

Example 48 with SimpleScriptContext

use of javax.script.SimpleScriptContext in project tomee by apache.

the class ScriptLoginModule method login.

@Override
public boolean login() throws LoginException {
    File script = getScriptFile((String) this.options.get("scriptURI"));
    if (script == null) {
        script = getScriptFile(JavaSecurityManagers.getSystemProperty("openejb.ScriptLoginModule.scriptURI"));
        if (script == null) {
            script = getScriptFile(null);
        }
    }
    if (script == null) {
        throw new LoginException("No login script defined");
    }
    final String scriptText;
    try {
        scriptText = new Scanner(script).useDelimiter("\\Z").next();
    } catch (final FileNotFoundException e) {
        throw new LoginException("Invalid login script URI.");
    }
    this.userData = getUserData();
    final ScriptEngineManager manager = new ScriptEngineManager();
    final ScriptEngine engine = manager.getEngineByName((String) this.options.get("engineName"));
    //new context for the execution of this script
    final ScriptContext newContext = new SimpleScriptContext();
    //creating the bidings object for the current execution
    final Bindings bindings = newContext.getBindings(ScriptContext.ENGINE_SCOPE);
    bindings.put("user", this.userData.user);
    bindings.put("password", this.userData.pass);
    final List<String> myGroups;
    try {
        myGroups = (List) engine.eval(scriptText, newContext);
    } catch (final ScriptException e) {
        throw new LoginException("Cannot execute login script. Msg: " + e.getMessage());
    }
    this.userData.groups.addAll(myGroups);
    return true;
}