Java Code Examples for org.mozilla.javascript.ScriptableObject#putProperty()

@Override
public @Nullable Object evaluate(@NonNull String expression) throws Throwable {
    Object result;
    final Context jsContext = enterJsContext();
    try {
      result = jsContext.evaluateString(mJsScope, expression, "chrome", 1, null);

      // Google chrome automatically saves the last expression to `$_`, we do the same
      Object jsValue = Context.javaToJS(result, mJsScope);
      ScriptableObject.putProperty(mJsScope, "$_", jsValue);
    } finally {
      Context.exit();
    }

    return Context.jsToJava(result, Object.class);
}
 

private int createArray(final String arrayName, final int dimension,
        final Scope scope, final Scriptable start) {
    if (start == null) {
        return ERROR_SCOPE_NOT_FOUND;
    }
    final Scriptable targetScope = getAndCreateScope(start, arrayName);
    final String name;
    int dotPos = arrayName.lastIndexOf('.');
    if (dotPos >= 0) {
        name = arrayName.substring(dotPos + 1);
    } else {
        name = arrayName;
    }
    if (ScriptableObject.hasProperty(targetScope, name)) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("'" + arrayName + "' already defined");
        }
        return ERROR_VARIABLE_ALREADY_DEFINED;
    }
    final NativeArray array = new NativeArray(dimension);
    ScriptableObject.putProperty(targetScope, name, array);
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("created '" + arrayName  + "' in scope '"
                + getScope(targetScope) + "' as an array of "
                + dimension);
    }

    // Fill the array
    for (int i = 0; i < dimension; i++) {
        final Context context = getContext();
        final Scriptable scriptable = context.newObject(topmostScope);
        ScriptableObject.putProperty(array, i, scriptable);
    }
    return NO_ERROR;
}
 

/**
 * Packs the given SSML document into a JSON structure.
 * 
 * @param speakable
 *            the speakable with the SSML document
 * @return JSON formatted string
 */
private String toJson(final SpeakableText speakable) {
    final Context context = Context.enter();
    context.setLanguageVersion(Context.VERSION_DEFAULT);
    final ScriptableObject scope = context.initStandardObjects();
    final String ssml = speakable.getSpeakableText();
    final Scriptable vxml = context.newObject(scope);
    ScriptableObject.putProperty(vxml, "ssml", ssml);
    return toJSON(vxml);
}
 

private void importFunctions(@NonNull ScriptableObject scope) throws StethoJsException {
  // Define the functions
  for (Map.Entry<String, Function> entrySet : mFunctions.entrySet()) {
    String functionName = entrySet.getKey();
    Function function = entrySet.getValue();
    try {
      ScriptableObject.putProperty(scope, functionName, function);
    } catch (Exception e) {
      throw new StethoJsException(e, "Failed to setup function: %s", functionName);
    }
  }
}
 

private int updateVariable(final String variableName,
        final Object newValue, final Scope scope, final Scriptable start) {
    if (start == null) {
        return ERROR_SCOPE_NOT_FOUND;
    }
    final Scriptable subscope = getAndCreateScope(start, variableName);
    final String property;
    int dotPos = variableName.lastIndexOf('.');
    if (dotPos >= 0) {
        property = variableName.substring(dotPos + 1);
    } else {
        property = variableName;
    }
    if (!ScriptableObject.hasProperty(subscope, property)) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("'" + variableName + "' not found");
        }
        return ERROR_VARIABLE_NOT_FOUND;
    }
    final Object jsValue = Context.javaToJS(newValue, subscope);
    ScriptableObject.putProperty(subscope, property, jsValue);
    if (LOGGER.isDebugEnabled()) {
        final String json = toString(jsValue);
        if (scope == null) {
            LOGGER.debug("set '" + variableName + "' in scope '"
                    + getScope(subscope) + "' to '" + json + "'");
        } else {
            LOGGER.debug("set '" + variableName + "' in scope '"
                    + getScope(subscope) + "' to '" + json + "'");
        }
    }
    return 0;
}
 

@Override
public void putScopeMap(Map<String, Object> params) throws ScriptExecException {
    try {
        Context cx = Context.enter();
        cx.setOptimizationLevel(-1); // always interpretive mode     
        for (Map.Entry<String, Object> entry : params.entrySet()) {
            ScriptableObject.putProperty(scope, entry.getKey(), Context.javaToJS(entry.getValue(), scope));
        }
    } finally {
        Context.exit();            
    }            
}
 

@org.junit.Test
public void testRequire() throws Throwable {
    final Context cx = RhinoAndroidHelper.prepareContext();
    try {
        cx.setOptimizationLevel(-1);
        final Scriptable scope = cx.initStandardObjects();
        ScriptableObject.putProperty(scope, "print", new Print(scope));
        createRequire(testDir, cx, scope).requireMain(cx, "program");
    } finally {
        Context.exit();
    }
}
 

public void testNonSandboxed() throws Exception
{
    final Context cx = createContext();
    final Scriptable scope = cx.initStandardObjects();
    final Require require = getSandboxedRequire(cx, scope, false);
    final String jsFile = getClass().getResource("testNonSandboxed.js").toExternalForm();
    ScriptableObject.putProperty(scope, "moduleUri", jsFile);
    require.requireMain(cx, "testNonSandboxed");
}
 

/**
 * Actually create the variable in the specified scope.
 * 
 * @param variableName
 *            the name of the variable
 * @param value
 *            the initial value of the variable
 * @param scope
 *            logical scope where to create the variable
 * @param start
 *            scriptable scope where to create the variable
 * @return {@code 0} if successful
 */
private int createVariable(final String variableName, final Object value,
        final Scope scope, final Scriptable start) {
    if (start == null) {
        return ERROR_SCOPE_NOT_FOUND;
    }
    final Scriptable subscope = getAndCreateScope(start, variableName);
    if (subscope == null) {
        LOGGER.warn("unable to create scope for '" + variableName + "'."
                + " Please check object creation in var tag or in your"
                + " grammar file.");
        return ERROR_SCOPE_NOT_FOUND;
    }
    final String name;
    int dotPos = variableName.lastIndexOf('.');
    if (dotPos >= 0) {
        name = variableName.substring(dotPos + 1);
    } else {
        name = variableName;
    }
    if (ScriptableObject.hasProperty(subscope, name)) {
        LOGGER.warn("'" + variableName + "' already defined");
        return ERROR_VARIABLE_ALREADY_DEFINED;
    }
    final Object wrappedValue = Context.javaToJS(value, start);
    ScriptableObject.putProperty(subscope, name, wrappedValue);
    if (LOGGER.isDebugEnabled()) {
        final String json = toString(wrappedValue);
        if (scope == null) {
            LOGGER.debug("created '" + variableName + "' in scope '"
                    + getScope(subscope) + "' with '" + json + "'");
        } else {
            LOGGER.debug("created '" + variableName + "' in scope '"
                    + getScope(subscope) + "' with '" + json + "'");
        }
    }
    return NO_ERROR;
}
 

/**
 * 执行JS
 * 
 * @param js js代码
 * @param functionName js方法名称
 * @param functionParams js方法参数
 * @return
 */
public static String runScript(Context context, String js, String functionName, Object[] functionParams) {
	org.mozilla.javascript.Context rhino = org.mozilla.javascript.Context.enter();
	rhino.setOptimizationLevel(-1);
	try {
		Scriptable scope = rhino.initStandardObjects();

		ScriptableObject.putProperty(scope, "javaContext", org.mozilla.javascript.Context.javaToJS(context, scope));
		ScriptableObject.putProperty(scope, "javaLoader", org.mozilla.javascript.Context.javaToJS(context.getClass().getClassLoader(), scope));

		rhino.evaluateString(scope, js, context.getClass().getSimpleName(), 1, null);

		Function function = (Function) scope.get(functionName, scope);

		Object result = function.call(rhino, scope, scope, functionParams);
		if (result instanceof String) {
			return (String) result;
		} else if (result instanceof NativeJavaObject) {
			return (String) ((NativeJavaObject) result).getDefaultValue(String.class);
		} else if (result instanceof NativeObject) {
			return (String) ((NativeObject) result).getDefaultValue(String.class);
		}
		return result.toString();//(String) function.call(rhino, scope, scope, functionParams);
	} finally {
		org.mozilla.javascript.Context.exit();
	}
}
 

@Override
public <T> void registerJavaObject(String name, T javaObject) {
    //pretty ugly but works, good enough for now ;)
    RhinoCustomNativeJavaObject rhinoCustomNativeJavaObject;
    if (javaObject instanceof RhinoCustomNativeJavaObject) {
        rhinoCustomNativeJavaObject = (RhinoCustomNativeJavaObject)javaObject;
    } else {
        rhinoCustomNativeJavaObject = new RhinoCustomNativeJavaObject(get(), javaObject, javaObject.getClass());
    }
    ScriptableObject.putProperty(get(), name, rhinoCustomNativeJavaObject);
}
 

/**
 * Make a scope in the current context with our required global variables in it
 *
 * @param ctx the current Rhino context
 * @return the new scope
 */
protected Scriptable makeAcceptFacetScope(final Context ctx) {
    final Scriptable scope = ctx.initStandardObjects();
    final Object jsLogger = Context.javaToJS(this.scriptLogger, scope);
    ScriptableObject.putProperty(scope, "logger", jsLogger);
    final Object jsOut = Context.javaToJS(System.out, scope);
    ScriptableObject.putProperty(scope, "out", jsOut);
    return scope;
}
 

public synchronized String evalJS(String jsStr, String input) {
    String js = "var input = '" + input + "';" + jsStr.replace("；；",";");
    org.mozilla.javascript.Context rhino = org.mozilla.javascript.Context.enter();
    rhino.setOptimizationLevel(-1);
    try {
        Scriptable scope = rhino.initStandardObjects();
        ScriptableObject.putProperty(scope, "javaContext", org.mozilla.javascript.Context.javaToJS(this, scope));//配置属性 javaContext:当前类JSEngine的上下文
        ScriptableObject.putProperty(scope, "javaLoader", org.mozilla.javascript.Context.javaToJS(clazz.getClassLoader(), scope));//配置属性 javaLoader:当前类的JSEngine的类加载器
        return (String) rhino.evaluateString(scope, js, clazz.getSimpleName(), 1, null);
    } finally {
        org.mozilla.javascript.Context.exit();
    }
}
 

@Test
   public void testSubTime( )
{
	Calendar dateCal = getCalendarInstance( );
	dateCal.set( 2008, 8, 13, 20, 1, 44 );
	Date date1 = dateCal.getTime( );
	Object jsNumber1 = Context.javaToJS( date1, scope );
	ScriptableObject.putProperty( scope, "date1", jsNumber1 );
	String script1 = "DateTimeSpan.subTime(date1,-1,-1,-1);";
	Object value1 = eval( script1 );
	Calendar cal = getCalendarInstance( );
	cal.setTime( (Date) value1 );
	assertEquals( 2008, cal.get( Calendar.YEAR ) );
	assertEquals( 8, cal.get( Calendar.MONTH ) );
	assertEquals( 13, cal.get( Calendar.DATE ) );
	assertEquals( 21, cal.get( Calendar.HOUR_OF_DAY ) );
	assertEquals( 2, cal.get( Calendar.MINUTE ) );
	assertEquals( 45, cal.get( Calendar.SECOND ) );
	System.out.println( "1" );
	

	/*
	 * More than 24 hours
	 */
	String script2 = "DateTimeSpan.subTime(date1,-25,-1,-1);";
	Object value2 = eval( script2 );
	cal = getCalendarInstance( );
	cal.setTime( (Date) value2 );
	assertEquals( 2008, cal.get( Calendar.YEAR ) );
	assertEquals( 8, cal.get( Calendar.MONTH ) );
	assertEquals( 14, cal.get( Calendar.DATE ) );
	assertEquals( 21, cal.get( Calendar.HOUR_OF_DAY ) );
	assertEquals( 2, cal.get( Calendar.MINUTE ) );
	assertEquals( 45, cal.get( Calendar.SECOND ) );
	System.out.println( "2" );
	
	/*
	 * Add negtive arguments.
	 */
	String script5 = "DateTimeSpan.subTime(date1,1,1,1);";
	Object value5 = eval( script5 );
	cal = getCalendarInstance( );
	cal.setTime( (Date) value5 );
	assertEquals( 2008, cal.get( Calendar.YEAR ) );
	assertEquals( 8, cal.get( Calendar.MONTH ) );
	assertEquals( 13, cal.get( Calendar.DATE ) );
	assertEquals( 19, cal.get( Calendar.HOUR_OF_DAY ) );
	assertEquals( 0, cal.get( Calendar.MINUTE ) );
	assertEquals( 43, cal.get( Calendar.SECOND ) );
	System.out.println( "5" );
	
	String script6 = "DateTimeSpan.subTime(date1,1,1,61);";
	Object value6 = eval( script6 );
	cal = getCalendarInstance( );
	cal.setTime( (Date) value6 );
	assertEquals( 2008, cal.get( Calendar.YEAR ) );
	assertEquals( 8, cal.get( Calendar.MONTH ) );
	assertEquals( 13, cal.get( Calendar.DATE ) );
	assertEquals( 18, cal.get( Calendar.HOUR_OF_DAY ) );
	assertEquals( 59, cal.get( Calendar.MINUTE ) );
	assertEquals( 43, cal.get( Calendar.SECOND ) );
	System.out.println( "6" );
	
}
 

private int updateArray(final String variableName, final int position,
        final Object newValue, final Scope scope, final Scriptable start) {
    if (start == null) {
        return ERROR_SCOPE_NOT_FOUND;
    }
    final Scriptable subscope = getAndCreateScope(start, variableName);
    final String property;
    int dotPos = variableName.lastIndexOf('.');
    if (dotPos >= 0) {
        property = variableName.substring(dotPos + 1);
    } else {
        property = variableName;
    }
    if (!ScriptableObject.hasProperty(subscope, property)) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("'" + variableName + "' not found");
        }
        return ERROR_VARIABLE_NOT_FOUND;
    }
    final Object jsValue = Context.javaToJS(newValue, subscope);
    final NativeArray array = (NativeArray) ScriptableObject.getProperty(
            subscope, property);
    if (!ScriptableObject.hasProperty(array, position)) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("'" + variableName + "' has no position "
                    + position);
        }
        return ERROR_VARIABLE_NOT_FOUND;
    }
    ScriptableObject.putProperty(array, position, jsValue);
    if (LOGGER.isDebugEnabled()) {
        final String json = toString(jsValue);
        if (scope == null) {
            LOGGER.debug("set '" + variableName + "[" + position
                    + "]' to '" + json + "'");
        } else {
            LOGGER.debug("set '" + variableName + "[" + position
                    + "]' to '" + json + "' in scope '" + scope + "'");
        }
    }
    return 0;
}
 

@Override
public void registerJavaClass(Class<?> clazz) {
    ScriptableObject.putProperty(get(), clazz.getSimpleName(), new RhinoCustomNativeJavaClass(get(), clazz));
}
 

@Test
   public void testSubDate( )
{
	/*
	 * Add a single year
	 */
	String script1 = "var startDate=\"2/3/08 8:01 PM\" ;var years=1;var months=0;var days=0;"
			+ "DateTimeSpan.subDate(startDate,years,months,days);";
	Object value1 = eval( script1 );
	Calendar cal = getCalendarInstance( );
	cal.setTime( (Date) value1 );
	assertEquals( 2007, cal.get( Calendar.YEAR ) );
	assertEquals( 1, cal.get( Calendar.MONTH ) );
	assertEquals( 3, cal.get( Calendar.DATE ) );
	System.out.println( "1" );
	

	/*
	 * Use Date instance to test this method.
	 */
	Calendar dateCal = getCalendarInstance( );
	dateCal.set( 2008, 8, 13, 20, 1, 44 );
	Date date1 = dateCal.getTime( );
	Object jsNumber1 = Context.javaToJS( date1, scope );
	ScriptableObject.putProperty( scope, "date1", jsNumber1 );
	String script2 = "DateTimeSpan.subDate(date1,1,0,0);";
	Object value2 = eval( script2 );
	cal = getCalendarInstance( );
	cal.setTime( (Date) value2 );
	assertEquals( 2007, cal.get( Calendar.YEAR ) );
	assertEquals( 8, cal.get( Calendar.MONTH ) );
	assertEquals( 13, cal.get( Calendar.DATE ) );
	System.out.println( "2" );
	
	/*
	 * Add one year to the startDate, and since 2008 is leap year, so the
	 * result date is 3/1/09.
	 */
	String script3 = "var startDate=\"2/29/08 8:01 PM\" ;var years=1;var months=0;var days=0;"
			+ "DateTimeSpan.subDate(startDate,years,months,days);";
	Object value3 = eval( script3 );
	cal = getCalendarInstance( );
	cal.setTime( (Date) value3 );
	assertEquals( 2007, cal.get( Calendar.YEAR ) );
	assertEquals( 1, cal.get( Calendar.MONTH ) );
	assertEquals( 28, cal.get( Calendar.DATE ) );
	System.out.println( "3" );
	
	/*
	 * Adding one month to Jan.31 would produce the invalid date Feb.31. The
	 * method adjusts the date to be valid, in this case, if the year is not
	 * a leap year, then Feb. has 28 days and the resulting date would be
	 * Mar.3.
	 */
	String script4 = "var startDate=\"3/30/07 8:01 PM\" ;var years=0;var months=1;var days=3;"
			+ "DateTimeSpan.subDate(startDate,years,months,days);";
	Object value4 = eval( script4 );
	cal = getCalendarInstance( );
	cal.setTime( (Date) value4 );
	assertEquals( 2007, cal.get( Calendar.YEAR ) );
	assertEquals( 1, cal.get( Calendar.MONTH ) );
	assertEquals( 25, cal.get( Calendar.DATE ) );
	System.out.println( "4" );
	
}
 

@Test
   public void testHours( )
{
	/*
	 * A whole day in the normal year
	 */
	String script1 = "var startDate=\"2/3/09 8:01 PM\" ;var endDate=\"2/4/09 8:01 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value1 = eval( script1 );
	if ( value1 instanceof Integer )
		assertEquals( 24, ( (Integer) value1 ).intValue( ) );
	/*
	 * A whole day in a leap year
	 */
	String script3 = "var startDate=\"2/29/08 8:01 PM\" ;var endDate=\"3/1/08 8:01 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value3 = eval( script3 );
	if ( value3 instanceof Integer )
		assertEquals( 24, ( (Integer) value3 ).intValue( ) );
	/*
	 * In the same day, less than an hour, equal to an hour, more than an
	 * hour
	 */
	String script2 = "var startDate=\"3/1/08 8:01 PM\" ;var endDate=\"3/1/08 9:02 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value2 = eval( script2 );
	if ( value2 instanceof Integer )
		assertEquals( 1, ( (Integer) value2 ).intValue( ) );
	String script4 = "var startDate=\"2/2/08 8:01 PM\" ;var endDate=\"2/2/08 9:00 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value4 = eval( script4 );
	if ( value4 instanceof Integer )
		assertEquals( 0, ( (Integer) value4 ).intValue( ) );
	String script5 = "var startDate=\"2/2/08 8:01 PM\" ;var endDate=\"2/2/08 9:02 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value5 = eval( script5 );
	if ( value5 instanceof Integer )
		assertEquals( 1, ( (Integer) value5 ).intValue( ) );

	/*
	 * More than one day.
	 */
	String script6 = "var startDate=\"2/2/08 8:01 PM\" ;var endDate=\"2/3/08 9:02 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value6 = eval( script6 );
	if ( value6 instanceof Integer )
		assertEquals( 25, ( (Integer) value6 ).intValue( ) );
	/*
	 * Just one minute off a whole day.
	 */
	String script7 = "var startDate=\"2/2/08 8:03 PM\" ;var endDate=\"2/3/08 8:02 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value7 = eval( script7 );
	if ( value7 instanceof Integer )
		assertEquals( 23, ( (Integer) value7 ).intValue( ) );
	/*
	 * More than one year, a normal year.
	 */
	String script8 = "var startDate=\"2/2/09 8:01 PM\" ;var endDate=\"2/2/10 8:01 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value8 = eval( script8 );
	if ( value8 instanceof Integer )
		assertEquals( 8760, ( (Integer) value8 ).intValue( ) );
	/*
	 * More than one yare, a leap year.
	 */
	String script9 = "var startDate=\"2/2/08 8:01 PM\" ;var endDate=\"2/3/09 8:00 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value9 = eval( script9 );
	if ( value9 instanceof Integer )
		assertEquals( 8807, ( (Integer) value9 ).intValue( ) );
	/*
	 * The first hour is more than the second one.
	 */
	String script10 = "var startDate=\"2/2/09 9:01 PM\" ;var endDate=\"2/3/09 8:00 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value10 = eval( script10 );
	if ( value10 instanceof Integer )
		assertEquals( 22, ( (Integer) value10 ).intValue( ) );
	/*
	 * The first hour is less than the second one.
	 */
	String script11 = "var startDate=\"2/2/09 3:01 PM\" ;var endDate=\"2/3/09 8:00 PM\" ;DateTimeSpan.hours(startDate,endDate);";
	Object value11 = eval( script11 );
	if ( value11 instanceof Integer )
		assertEquals( 28, ( (Integer) value11 ).intValue( ) );

	/*
	 * Use Date instance to test this method
	 */
	Calendar dateCal1 = getCalendarInstance( );
	dateCal1.set( 2008, 8, 13, 20, 1, 44 );
       
	Date date1 = dateCal1.getTime( );
	Object jsNumber1 = Context.javaToJS( date1, scope );
	ScriptableObject.putProperty( scope, "date1", jsNumber1 );

	dateCal1 = getCalendarInstance( );
	dateCal1.set( 2008, 8, 13, 21, 1, 44 );
	Date date2 = dateCal1.getTime( );
	Object jsNumber2 = Context.javaToJS( date2, scope );
	ScriptableObject.putProperty( scope, "date2", jsNumber2 );
	String script12 = "DateTimeSpan.hours(date1,date2)";
	Object value12 = eval( script12 );
	if ( value12 instanceof Integer )
	{
		assertEquals( 1, ( (Integer) value12 ).intValue( ) );
	}

}
 

private static void defineReadOnlyProperty(ScriptableObject obj,
        String name, Object value) {
    ScriptableObject.putProperty(obj, name, value);
    obj.setAttributes(name, ScriptableObject.READONLY |
            ScriptableObject.PERMANENT);
}
 

private static void defineReadOnlyProperty(ScriptableObject obj,
        String name, Object value) {
    ScriptableObject.putProperty(obj, name, value);
    obj.setAttributes(name, ScriptableObject.READONLY |
            ScriptableObject.PERMANENT);
}