Java Code Examples for org.mozilla.javascript.Context#toObject()

/**
 * Initialize the engine. 
 * Put the manager into the context-manager
 * map hashtable too.
 */
public void initialize(BSFManager mgr, String lang, Vector declaredBeans)
    throws BSFException {
    
    super.initialize(mgr, lang, declaredBeans);

    // Initialize context and global scope object
    try {
        Context cx = Context.enter();
        global = new ImporterTopLevel(cx);
        Scriptable bsf = Context.toObject(new BSFFunctions(mgr, this), global);
        global.put("bsf", global, bsf);

        for(Iterator it = declaredBeans.iterator(); it.hasNext();) {
            declareBean((BSFDeclaredBean) it.next());
        }
    } 
    catch (Throwable t) {

    } 
    finally {
        Context.exit();
    }
}
 

public boolean has( String name, Scriptable scope )
{
	if ( FIELD_VALUE.equals( name ) || FIELD_DISPLAY_TEXT.equals( name ) )
	{
		return true;
	}
	if ( jsStrPrototype == null )
	{
		jsStrPrototype = Context.toObject( "", scope );
		if ( jsStrPrototype != null )
		{
			jsStrPrototype = jsStrPrototype.getPrototype( );
		}
	}
	return jsStrPrototype != null && jsStrPrototype.has( name, scope );
}
 

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 );
	}
}
 

@Test
public void jsToBigNumber_NativeJavaObject_BigDecimal() throws Exception {
  Value value = new Value();
  value.setValue( BigDecimal.ONE );
  Scriptable object = Context.toObject( value, scope );
  assertEquals( 1.0, JavaScriptUtils.jsToBigNumber( object, JAVA_OBJECT ).doubleValue(), 1e-6 );
}
 

public void declareBean(BSFDeclaredBean bean) throws BSFException {
    if ((bean.bean instanceof Number) ||
        (bean.bean instanceof String) ||
        (bean.bean instanceof Boolean)) {
        global.put(bean.name, global, bean.bean);
    } 
    else {
        // Must wrap non-scriptable objects before presenting to Rhino
        Scriptable wrapped = Context.toObject(bean.bean, global);
        global.put(bean.name, global, wrapped);
    }
}
 

public boolean has( String name, Scriptable scope )
{
	if ( FIELD_VALUE.equals( name ) || FIELD_DISPLAY_TEXT.equals( name ) )
	{
		return true;
	}
	ParameterAttribute parameter = getParameterAttribute( name );
	Scriptable jsValue = Context.toObject( parameter.getValue( ), scope );
	if ( jsValue != null )
	{
		return jsValue.has( name, scope );
	}
	return false;
}
 

@Test
public void jsToString_NativeJavaObject_Double() throws Exception {
  // TODO: return "1.0" in previous release with org.apache.hop.compatibility.Value
  assertEquals( "1", JavaScriptUtils.jsToString( getDoubleValue(), JAVA_OBJECT ) );

  Scriptable value = Context.toObject( new Double( 1.23 ), scope );
  assertEquals( "1.23", JavaScriptUtils.jsToString( value, JAVA_OBJECT ) );
}
 

@Test
public void jsToBigNumber_NativeJavaObject_BigDecimal() throws Exception {
  Scriptable object = Context.toObject( BigDecimal.ONE, scope );
  assertEquals( 1.0, JavaScriptUtils.jsToBigNumber( object, JAVA_OBJECT ).doubleValue(), 1e-6 );
}
 

@Test
public void jsToBigNumber_NativeNumber() throws Exception {
  Scriptable value = Context.toObject( 1.0, scope );
  BigDecimal number = JavaScriptUtils.jsToBigNumber( value, NATIVE_NUMBER );
  assertEquals( 1.0, number.doubleValue(), 1e-6 );
}
 

private static Scriptable getIntValue() {
  return Context.toObject( new Long( 1 ), scope );
}
 

@Test
public void jsToDate_NativeJavaObject() throws Exception {
  Scriptable value = Context.toObject( new Date( 1 ), scope );
  assertEquals( new Date( 1 ), JavaScriptUtils.jsToDate( value, JAVA_OBJECT ) );
}
 

@Test
public void jsToNumber_NativeNumber() throws Exception {
  Scriptable value = Context.toObject( 1.0, scope );
  Number number = JavaScriptUtils.jsToNumber( value, NATIVE_NUMBER );
  assertEquals( 1.0, number.doubleValue(), 1e-6 );
}
 

private static Scriptable getIntValue() {
  Value value = new Value();
  value.setValue( 1 );
  return Context.toObject( value, scope );
}
 

private static Scriptable getDoubleValue() {
  Value value = new Value();
  value.setValue( 1.0 );
  return Context.toObject( value, scope );
}
 

@Test
public void jsToNumber_NativeNumber() throws Exception {
  Scriptable value = Context.toObject( 1.0, scope );
  Number number = JavaScriptUtils.jsToNumber( value, NATIVE_NUMBER );
  assertEquals( 1.0, number.doubleValue(), 1e-6 );
}
 

@Test
public void jsToBigNumber_NativeNumber() throws Exception {
  Scriptable value = Context.toObject( 1.0, scope );
  BigDecimal number = JavaScriptUtils.jsToBigNumber( value, NATIVE_NUMBER );
  assertEquals( 1.0, number.doubleValue(), 1e-6 );
}
 

private static Scriptable getDoubleValue() {
  return Context.toObject( new Double( 1.0 ), scope );
}