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); } }

import java.nio.ByteBuffer;


public class JavascriptDimExtractionFn implements DimExtractionFn
{
  private static Function<String, String> compile(String function) {
    final ContextFactory contextFactory = ContextFactory.getGlobal();
    final Context context = contextFactory.enterContext();
    context.setOptimizationLevel(9);


    final ScriptableObject scope = context.initStandardObjects();


    final org.mozilla.javascript.Function fn = context.compileFunction(scope, function, "fn", 1, null);
    Context.exit();




    return new Function<String, String>()
    {
      public String apply(String input)
      {
        // ideally we need a close() function to discard the context once it is not used anymore
        Context cx = Context.getCurrentContext();
        if (cx == null) {
          cx = contextFactory.enterContext();
        }


        final Object res = fn.call(cx, scope, scope, new String[]{input});
        return res != null ? Context.toString(res) : null;
      }

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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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        assertTrue("success".equals(result));
        System.out.println("passed");
    }
    
    public void runJsTests(File[] tests) throws IOException {
        ContextFactory factory = ContextFactory.getGlobal();
        Context cx = factory.enterContext();
        try {
            cx.setOptimizationLevel(this.optimizationLevel);
            Scriptable shared = cx.initStandardObjects();
            for (File f : tests) {
                int length = (int) f.length(); // don't worry about very long

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    private synchronized void initRhinoGlobal()
    {
        
        if (!ContextFactory.hasExplicitGlobal()){
            ContextFactory.initGlobal(new ContextFactory() {
                public boolean hasFeature(Context cx, int featureIndex)
                {
                    switch (featureIndex) {
                        case Context.FEATURE_STRICT_MODE:
                            return false;

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        super(classpathReference);
    }


    public void initializeRhino() {


        rhinoContextFactory = new ContextFactory();
        if (System.getProperty("cxf.jsdebug") != null && !rhinoDebuggerUp) {
            Main.mainEmbedded(rhinoContextFactory, rhinoScope, "Debug embedded JavaScript.");
            rhinoDebuggerUp = true;
        }

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  public void testSetNullForScriptableSetter() throws Exception {
    
    final String scriptCode = "foo.myProp = new Foo2();\n"
      + "foo.myProp = null;";


    final ContextFactory factory = new ContextFactory();
    final Context cx = factory.enterContext();


    try {
          final ScriptableObject topScope = cx.initStandardObjects();
          final Foo foo = new Foo();

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        cx.evaluateString(top, script, "script", 0, null);
        return null;
      }
    };
    
    final ContextFactory contextFactory = new ContextFactory() {
      @Override
      protected boolean hasFeature(final Context cx, final int featureIndex) {
        if (Context.FEATURE_STRICT_MODE == featureIndex) {
          return !acceptWriteReadOnly;
        }
        return super.hasFeature(cx, featureIndex);
      }
    };
    contextFactory.call(action);
  }

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        System.out.println("string[]");
    }


    @Test
    public void callOverloadedFunction() {
        new ContextFactory().call(new ContextAction() {
            public Object run(Context cx) {
                cx.evaluateString(
                    cx.initStandardObjects(),
                    "new org.mozilla.javascript.tests.Bug496585().method('one', 'two', 'three')",
                    "<test>", 1, null);

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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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