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

Example 26 with ScriptEngine

use of javax.script.ScriptEngine in project enumerable by hraberg.

the class ClojureTest method interactingWithJavaScript.

@Test
public void interactingWithJavaScript() throws Exception {
    ScriptEngine js = JavaScriptTest.getJavaScriptEngine();
    Function f = (Function) js.eval("var f = function(n, m) { return n * m; }; f;");
    IFn times = toIFn(LambdaJavaScript.toFn2(f));
    assertEquals(6.0, times.invoke(2, 3));
    defn("times-js", times);
    assertEquals(120.0, clj.eval("(reduce times-js 1 [1, 2, 3, 4, 5])"));
}

Example 27 with ScriptEngine

use of javax.script.ScriptEngine in project enumerable by hraberg.

the class JRubyTest method interactingWithGroovy.

@Test
public void interactingWithGroovy() throws Exception {
    Ruby ruby = Ruby.getGlobalRuntime();
    ScriptEngine groovy = GroovyTest.getGroovyEngine();
    Closure<?> closure = (Closure<?>) groovy.eval("{ n, m -> n * m }");
    RubyProc proc = toProc(LambdaGroovy.toFn2(closure));
    assertEquals(ruby.newFixnum(6), proc.call(ruby.getThreadService().getCurrentContext(), new IRubyObject[] { ruby.newFixnum(2), ruby.newFixnum(3) }));
    rb.put("block", proc);
    assertEquals(120L, rb.eval("[1, 2, 3, 4, 5].inject &block"));
}

Example 28 with ScriptEngine

use of javax.script.ScriptEngine in project jOOQ by jOOQ.

the class NashornTest method testScripts.

@Test
public void testScripts() throws Exception {
    Stream.of(new File(getClass().getResource("/org/jooq/example/test").toURI()).listFiles((dir, name) -> name.endsWith(".js"))).forEach(file -> {
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("nashorn");
        Bindings bindings = engine.getBindings(ENGINE_SCOPE);
        bindings.put("connection", connection);
        try {
            engine.eval(new FileReader(file));
        } catch (Exception e) {
            throw new RuntimeException("Error while running " + file, e);
        }
    });
}

Example 29 with ScriptEngine

use of javax.script.ScriptEngine in project groovy by apache.

the class JSR223SpecTest method testInvocableFunction.

@Test
public void testInvocableFunction() throws ScriptException, NoSuchMethodException {
    // tag::jsr223_invocable[]
    ScriptEngineManager factory = new ScriptEngineManager();
    ScriptEngine engine = factory.getEngineByName("groovy");
    String fact = "def factorial(n) { n == 1 ? 1 : n * factorial(n - 1) }";
    engine.eval(fact);
    Invocable inv = (Invocable) engine;
    Object[] params = { 5 };
    Object result = inv.invokeFunction("factorial", params);
    assertEquals(new Integer(120), result);
// end::jsr223_invocable[]
}

Example 30 with ScriptEngine

use of javax.script.ScriptEngine in project groovy by apache.

the class CustomCodeVisitorSupport method secureEval.

private void secureEval(ClassLoaderDefinitionType classLoaderDefType) throws Exception {
    ScriptEngine engine = createScriptEngine(classLoaderDefType);
    GroovySecurityManager securityMgr = GroovySecurityManager.instance();
    securityMgr.overrideGroovyClassLoader(engine, classLoaderDefType);
    securityMgr.forbid(testFixture.forbiddenInstruction);
    engine.eval(testFixture.script);
}