I didn't read your code but you might want to check out this project.
http://code.google.com/p/vofactory/
HTH,
Ben
--- In flexcoders@yahoogroups.com, "srieger_1" <[EMAIL PROTECTED]> wrote:
>
> I have been trying to figure out how to take the results of my web
> service ( e4x ) and update an object with that data. I want to use
> one function to handle many different object types . . .
>
> Here is what I have come up with so far. Looking for some ideas to
> make it better, more efficient and for things that I am missing.
>
> Thanks in advance for any ideas . . .
>
> package com.psc.utils
> {
> import flash.utils.describeType;
> import flash.utils.getDefinitionByName;
> import flash.utils.getQualifiedClassName;
> import mx.utils.ObjectUtil;
>
> /**
> * Utility class to convert xml based Objects to class instances.
> *
> * Takes a value object as the destination and an xmlList of data
> * Look through all the items in the value object. Note we are using
> classInfo..accessor since
> * our objects are bound all variables become getter / setter's or
> accessors.
> *
> * Also note, we can handle custom objects, arrays and
arrayCollections.
> *
> * History
> * 03.11.2008 - Steven Rieger : Created class
> *
> */
> public final class XMLToInstance
> {
> public static function xmlToInstance( destinationObject :
> Object,
> sourceXMLList : XMLList ) : void
> {
> // Get the class definition in XML, from the passed in
> object ( introspection so to speak )
> var classInfo : XML = describeType( destinationObject );
>
> // Loop through each variable defined in the class.
> for each ( var aVar : XML in classInfo..accessor )
> {
> // If this is String, Number, etc. . . Just
> copy the data into
> the destination object.
> if( isSimple( [EMAIL PROTECTED] ) )
> [EMAIL PROTECTED] =
> [EMAIL PROTECTED];
> else
> {
> // Dynamically create a class of the appropriate type
> var className : String = [EMAIL PROTECTED];
> var ObjectClass : Class = getDefinitionByName(
> className )
> as Class;
> var newDestObject : Object = Object( new ObjectClass());
>
> // If this is a custom type
> if( isCustomType( className ) && ObjectClass != null )
> {
> // Recursively call itself passing in the
> custom
> data type and the data to store in it.
> // I haven't tested nested objects more than
> one
> level. I suppose it should work.
> // Note to self. Check.
> xmlToInstance( newDestObject,
> [EMAIL PROTECTED] );
> }
> else
> {
> // Must be some sort of Array, Array
> Collection . . .
> if( ObjectClass != null )
> {
> var anXMLList : XMLList = new XMLList(
> [EMAIL PROTECTED] );
> for each( var anItem : XML in anXMLList
> )
> {
> // I'm sure there are more
> types, just not using any
> of them yet.
> if( newDestObject is Array )
> newDestObject.push(
> anItem )
> else
>
> newDestObject.addItem( anItem );
> }
> }
> }
> // Add the data to the destination object. . . .
> [EMAIL PROTECTED] = newDestObject;
> }
> }
> } // end function objectToInstance
>
>
> public static function isSimple( dataType : String ) : Boolean
> {
> /**
> * This function is pretty self explanatory.
> *
> * Check to see if this is a simple data type. Did I
> miss any?
> *
> * History
> * 03.11.2008 - Steven Rieger : Created function
> *
> */
>
> switch( dataType.toLowerCase() )
> {
> case "number":
> case "string":
> case "boolean":
> {
> return true;
> }
> }
> return false;
> } // end isSimple
>
> public static function isCustomType( className : String ) :
> Boolean
> {
> /**
> * This function is pretty self explanatory.
> *
> * Check to see if this is a custom data type. Add
> them here as
> you need. . .
> *
> * History
> * 03.11.2008 - Steven Rieger : Created function
> *
> */
>
> var aClassName : String = className.replace( "::", "."
).toLowerCase();
> aClassName = aClassName.substr( aClassName.lastIndexOf(
> "." ) + 1,
> aClassName.length - aClassName.lastIndexOf( "." ) );
>
> switch( aClassName )
> {
> case "ndatetimevo":
> case "expenselineitemvo":
> {
> return true;
> }
> }
> return false;
> } // end isCustomType
>
> } // end class
> } // end package
>
