Class DynJSScriptEngine

src/main/java/org/dynjs/jsr223/DynJSScriptEngine.java:16–123

@author Bob McWhirter

 * @author Bob McWhirter
 */
public class DynJSScriptEngine extends AbstractScriptEngine implements Compilable, Invocable {

    public static final String GLOBAL_OBJECT = "org.dynjs.global-object";

    private final DynJSScriptEngineFactory factory;

    DynJSScriptEngine(DynJSScriptEngineFactory factory) {
        this.factory = factory;
        this.context = new SimpleScriptContext();
        this.context.setBindings(factory.getGlobalBindings(), ScriptContext.GLOBAL_SCOPE);
    }

    @Override
    public DynJSCompiledScript compile(String script) throws ScriptException {
        Compiler compiler = new DynJS().newCompiler();
        JSProgram program = compiler.withSource(script).compile();
        return new DynJSCompiledScript(this, program);
    }

    @Override
    public DynJSCompiledScript compile(Reader script) throws ScriptException {
        Compiler compiler = new DynJS().newCompiler();
        JSProgram program = compiler.withSource(script).compile();
        return new DynJSCompiledScript(this, program);
    }

    @Override
    public Object eval(String script, ScriptContext context) throws ScriptException {
        DynJSCompiledScript program = compile(script);
        return program.eval(context);

        //ScriptEngineGlobalObject global = getGlobalObject( context );
        //DynJS runtime = getRuntime( global, context );
        //return runtime.newRunner().withSource( script ).execute();
    }

    @Override
    public Object eval(Reader reader, ScriptContext context) throws ScriptException {
        DynJSCompiledScript program = compile(reader);
        return program.eval(context);
    }

    @Override
    public Bindings createBindings() {
        return new SimpleBindings();
    }

    @Override
    public ScriptEngineFactory getFactory() {
        return this.factory;
    }

    @Override
    public Object invokeMethod(Object thiz, String name, Object... args) throws ScriptException, NoSuchMethodException {
        if (!(thiz instanceof JSObject)) {
            throw new IllegalArgumentException("'this' should be an instance of " + JSObject.class.getName());
        }