Examples of org.mozilla.javascript.ContextFactory

org.mozilla.javascript.ContextFactory
om {@link Context} to store execution time.private static class MyContext extends Context { long startTime; } static { // Initialize GlobalFactory with custom factory ContextFactory.initGlobal(new MyFactory()); } // Override {@link #makeContext()}protected Context makeContext() { MyContext cx=new MyContext(); // Use pure interpreter mode to allow for // {@link #observeInstructionCount(Context,int)} to workcx.setOptimizationLevel(-1); // Make Rhino runtime to call observeInstructionCount // each 10000 bytecode instructions cx.setInstructionObserverThreshold(10000); return cx; } // Override {@link #hasFeature(Context,int)}public boolean hasFeature(Context cx, int featureIndex) { // Turn on maximum compatibility with MSIE scripts switch (featureIndex) { case {@link Context#FEATURE_NON_ECMA_GET_YEAR}: return true; case {@link Context#FEATURE_MEMBER_EXPR_AS_FUNCTION_NAME}: return true; case {@link Context#FEATURE_RESERVED_KEYWORD_AS_IDENTIFIER}: return true; case {@link Context#FEATURE_PARENT_PROTO_PROPERTIES}: return false; } return super.hasFeature(cx, featureIndex); } // Override {@link #observeInstructionCount(Context,int)}protected void observeInstructionCount(Context cx, int instructionCount) { MyContext mcx=(MyContext)cx; long currentTime=System.currentTimeMillis(); if (currentTime - mcx.startTime > 10*1000) { // More then 10 seconds from Context creation time: // it is time to stop the script. // Throw Error instance to ensure that script will never // get control back through catch or finally. throw new Error(); } } // Override {@link #doTopCall(Callable, Context, Scriptable scope, Scriptable thisObj, Object[] args)}protected Object doTopCall(Callable callable, Context cx, Scriptable scope, Scriptable thisObj, Object[] args) { MyContext mcx = (MyContext)cx; mcx.startTime = System.currentTimeMillis(); return super.doTopCall(callable, cx, scope, thisObj, args); } }

  /**
   * Runs the provided action at the given optimization level
   */
  public static void runWithOptimizationLevel(final ContextAction action, final int optimizationLevel)
  {
    runWithOptimizationLevel(new ContextFactory(), action, optimizationLevel);
  }

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            return super.doTopCall(callable, cx, scope, thisObj, args);
        }
    }


    private void baseCase(int optimizationLevel, String source) {
        ContextFactory factory = new MyFactory();
        Context cx = factory.enterContext();
        cx.setOptimizationLevel(optimizationLevel);
        assertTrue(cx instanceof MyContext);
        try {
            Scriptable globalScope = cx.initStandardObjects();
            cx.evaluateString(globalScope,

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            return super.hasFeature(cx, featureIndex);
        }
    }


    public void testCustomContextFactory() {
        ContextFactory factory = new MyFactory();
        Context cx = factory.enterContext();
        try {
            Scriptable globalScope = cx.initStandardObjects();
            // Test that FEATURE_MEMBER_EXPR_AS_FUNCTION_NAME is enabled
            /* TODO(stevey): fix this functionality in parser
            Object result = cx.evaluateString(globalScope,

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    doTest(1, expected, action);
  }


  private void doTest(final int optimizationLevel, final String expected, final ContextAction action)
  {
    Object o = new ContextFactory().call(new ContextAction()
      {
        public Object run(final Context context)
        {
          context.setOptimizationLevel(optimizationLevel);
          return Context.toString(action.run(context));

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        return result;
    }


    @Test
    public void runDoctest() throws Exception {
        ContextFactory factory = ContextFactory.getGlobal();
        Context cx = factory.enterContext();
        try {
            cx.setOptimizationLevel(optimizationLevel);
            Global global = new Global(cx);
            // global.runDoctest throws an exception on any failure
            int testsPassed = global.runDoctest(cx, global, source, name, 1);

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public class Bug637811Test {
    private Context cx;


    @Before
    public void setUp() throws Exception {
        cx = new ContextFactory() {
            @Override
            protected boolean hasFeature(Context cx, int featureIndex) {
                switch (featureIndex) {
                case Context.FEATURE_STRICT_MODE:
                case Context.FEATURE_WARNING_AS_ERROR:

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    public void testClassGen() {
        final List<Class<?>> classes = new ArrayList<Class<?>>();
        classes.add(java.lang.Runnable.class);
        classes.add(java.lang.Appendable.class);
        ContextFactory cf = ContextFactory.getGlobal();
        cf.call(new ContextAction() {
            public Object run(Context cx) {
                Class<?> c1 = EventAdapter.getAdapterClass(classes.toArray(), null);
                Class<?> c2 = EventAdapter.getAdapterClass(classes.toArray(), null);
                assertTrue(c1.getSuperclass() == Object.class);
                assertTrue(Runnable.class.isAssignableFrom(c1));
                assertTrue(Appendable.class.isAssignableFrom(c1));
                assertEquals(c1, c2);
                return null;
            }
        });
        cf.call(new ContextAction() {
            public Object run(Context cx) {
                Map<String,String> bindings = new HashMap<String,String>();
                bindings.put("append", "add");
                bindings.put("run", "run");
                Class<?> c1 = EventAdapter.getAdapterClass(classes.toArray(),

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    public void setDebuggerScript(String path) {
        debuggerScript = path;
    }


    public void install() {
        ContextFactory factory = Context.getCurrentContext().getFactory();
        factory.addListener(new ContextFactory.Listener() {
            public void contextCreated(Context cx) {
                DebuggerBase debugger = createDebugger();
                if (debugger != null) {
                    debugger.attach(createContextData());
                }

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        }
        if (args.length < 1  || !(args[0] instanceof Function)) {
            throw Context.reportRuntimeError("spawn() requires a function argument");
        }
        final Scriptable scope = funObj.getParentScope();
        final ContextFactory cxfactory = cx.getFactory();
        final Function function = (Function) args[0];
        final Object[] fnArgs;
        if (args.length > 1 && args[1] instanceof Scriptable) {
            fnArgs = cx.getElements((Scriptable) args[1]);
        } else {
            fnArgs = ScriptRuntime.emptyArgs;
        }
        return getThreadPool().submit(new Callable<Object>() {
            public Object call() {
                return cxfactory.call(new ContextAction() {
                    public Object run(Context cx) {
                        return function.call(cx, scope, scope, fnArgs);
                    }
                });
            }

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                                       final Function callback, final boolean keyed) throws ScriptException {


        String regex = "^[\\s\\t\\r\\n]*[Ss][Ee][Ll][Ee][Cc][Tt].*";//select
        final boolean isSelect = query.matches(regex);
        if (callback != null) {
            final ContextFactory factory = cx.getFactory();
            final ExecutorService es = Executors.newSingleThreadExecutor();
            es.submit(new Callable() {
                public Object call() throws Exception {
                    Context cx = RhinoEngine.enterContext(factory);
                    try {

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