org.mozilla.javascript.Callable Java Examples

/**
 * @see org.mozilla.javascript.Scriptable#get(java.lang.String, org.mozilla.javascript.Scriptable)
 */
public Object get(String name, Scriptable start)
{
    // get the property from the underlying QName map
    if ("length".equals(name))
    {
        return this.size();
    }
    else if ("hasOwnProperty".equals(name))
    {
        return new Callable()
        {
            @Override
            public Object call(Context cx, Scriptable scope, Scriptable thisObj, Object[] args)
            {
                return (args.length > 0 ? hasOwnProperty(args[0]) : null);
            }
        };
    }
    else
    {
        return get(name);
    }
}
 

/**
 * @see org.mozilla.javascript.Scriptable#get(java.lang.String, org.mozilla.javascript.Scriptable)
 */
public Object get(String name, Scriptable start)
{
    // get the property from the underlying QName map
    if ("length".equals(name))
    {
        return this.size();
    }
    else if ("hasOwnProperty".equals(name))
    {
        return new Callable()
        {
            @Override
            public Object call(Context cx, Scriptable scope, Scriptable thisObj, Object[] args)
            {
                return (args.length > 0 ? hasOwnProperty(args[0]) : null);
            }
        };
    }
    else
    {
        return get(name);
    }
}
 

public void testJsApi() throws Exception {
    Context cx = RhinoAndroidHelper.prepareContext();
    try {
        cx.setOptimizationLevel(-1);
        Script script = cx.compileString(TestUtils.readAsset("Bug482203.js"),
                "", 1, null);
        Scriptable scope = cx.initStandardObjects();
        script.exec(cx, scope);
        int counter = 0;
        for(;;)
        {
            Object cont = ScriptableObject.getProperty(scope, "c");
            if(cont == null)
            {
                break;
            }
            counter++;
            ((Callable)cont).call(cx, scope, scope, new Object[] { null });
        }
        assertEquals(counter, 5);
        assertEquals(Double.valueOf(3), ScriptableObject.getProperty(scope, "result"));
    } finally {
        Context.exit();
    }
}
 

public void testJsApi() throws Exception {
    Context cx = Context.enter();
    try {
        cx.setOptimizationLevel(-1);
        Script script = cx.compileReader(new InputStreamReader(
                Bug482203Test.class.getResourceAsStream("Bug482203.js")),
                "", 1, null);
        Scriptable scope = cx.initStandardObjects();
        script.exec(cx, scope);
        int counter = 0;
        for(;;)
        {
            Object cont = ScriptableObject.getProperty(scope, "c");
            if(cont == null)
            {
                break;
            }
            counter++;
            ((Callable)cont).call(cx, scope, scope, new Object[] { null });
        }
        assertEquals(counter, 5);
        assertEquals(Double.valueOf(3), ScriptableObject.getProperty(scope, "result"));
    } finally {
        Context.exit();
    }
}
 

@Override
protected Object doTopCall(final Callable callable, final Context cx, final Scriptable scope,
        final Scriptable thisObj, final Object[] args) {
    final StartTimeAwareContext mcx = (StartTimeAwareContext) cx;
    mcx.startTime = System.currentTimeMillis();

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

@Override
protected Object doTopCall(Callable callable,
                           Context cx, Scriptable scope,
                           Scriptable thisObj, Object[] args)
{
    MyContext mcx = (MyContext)cx;
    mcx.quota = 2000;
    return super.doTopCall(callable, cx, scope, thisObj, args);
}
 

@Override
protected final Object doTopCall(
        final Callable callable,
        final Context cx,
        final Scriptable scope,
        final Scriptable thisObj,
        final Object[] args) {
    long curTime = System.currentTimeMillis();
    ((DcJsContext) cx).setTimeout(curTime + TIMEOUTVALUE);
    return super.doTopCall(callable, cx, scope, thisObj, args);
}
 

@Override
protected Object doTopCall(Callable callable,
                           Context cx, Scriptable scope,
                           Scriptable thisObj, Object[] args)
{
    MyContext mcx = (MyContext)cx;
    mcx.quota = 2000;
    return super.doTopCall(callable, cx, scope, thisObj, args);
}
 

public Object get( String name, Scriptable scope )
{
	ParameterAttribute parameter = getParameterAttribute( name );
	if ( FIELD_VALUE.equals( name ) )
	{
		return parameter.getValue( );
	}
	else if ( FIELD_DISPLAY_TEXT.equals( name ) )
	{
		return parameter.getDisplayText( );
	}
	Object value = parameter.getValue( );
	Scriptable jsValue = Context.toObject( value, scope );
	Scriptable prototype = jsValue.getPrototype( );
	if( prototype != null )
	{
		Object property = jsValue.getPrototype( ).get( name, jsValue );
		if ( property instanceof Callable )
		{
			Callable callable = (Callable) property;
			return new JsValueCallable( callable, jsValue );
		}
		return jsValue.get( name, jsValue );
	}
	else
	{
		return jsValue.get( name, jsValue );
	}
}
 

protected Object doTopCall(Callable callable, Context cx, Scriptable scope, Scriptable thisObj, Object[] args) {
    SecureScriptContext mcx = (SecureScriptContext) cx;
    mcx.setStartTime(System.currentTimeMillis());
    return super.doTopCall(callable, cx, scope, thisObj, args);
}
 

public JavaScriptCallableThisDecorator(Callable decorated,
		Scriptable thisTarget)
{
	this.decorated = decorated;
	this.thisTarget = thisTarget;
}
 

@Override
protected Object doTopCall(Callable callable, Context cx, Scriptable scope, Scriptable thisObj, Object[] args) {
    SecureScriptContext mcx = (SecureScriptContext) cx;
    mcx.setStartTime(System.currentTimeMillis());
    return super.doTopCall(callable, cx, scope, thisObj, args);
}
 

public JsValueCallable( Callable callable)
{
	this.impl = callable;
}
 

public synchronized VMValue evaluate( String expression )
{
	int currentState = debugger.currentState( );

	if ( currentState == VM_TERMINATED )
	{
		return null;
	}

	JsValue result = null;
	Debugger oldDebugger = cx.getDebugger( );
	Object oldContextData = cx.getDebuggerContextData( );
	int oldLevel = cx.getOptimizationLevel( );

	cx.setDebugger( null, null );
	cx.setOptimizationLevel( -1 );
	cx.setGeneratingDebug( false );

	try
	{
		Callable script = (Callable) cx.compileString( expression,
				EVALUATOR_LITERAL,
				0,
				null );
		Object val = script.call( cx,
				scope,
				thisObj,
				ScriptRuntime.emptyArgs );

		if ( val == Undefined.instance )
		{
			result = new JsValue( UNDEFINED_LITERAL, UNDEFINED_TYPE );
		}
		else
		{
			result = new JsValue( val );
		}
	}
	catch ( Exception ex )
	{
		result = new JsValue( ex.getMessage( ), EXCEPTION_TYPE );
	}
	finally
	{
		cx.setGeneratingDebug( true );
		cx.setOptimizationLevel( oldLevel );
		cx.setDebugger( oldDebugger, oldContextData );
	}

	return result;
}
 

public JsValueCallable( Callable callable, Scriptable value)
{
	this.impl = callable;
	this.value = value;
}