Speaking to serializing of client-side javascript objects, it is an interesting idea and I would be interested to see a proof of concept. The two alternatives I have used in the past for passing complicated data structures back to the client are:
1. Use XPath notation for HTML form element names, then use JXPath to reconstruct the Map, POJO, DOM, or whatever on the server side. 2. Use a client-side Javascript XML-RPC library to pass any Javascript data structure to an XML-RPC service on the web server. This has, among other advantages, the ability to perform complex tasks without reloading the page resulting in drastic performance improvements.
Don
Hubert Rabago wrote:
Don, Frank,
My understanding of the proposal is that its goal is to somehow convert client-side javascript objects to server side java objects, and my understanding of Struts flow is that it uses server side scripting languages in place of precompiled java classes. Am I correct on both counts? If so, are they still compatible? Wouldn't the client side objects need to be serialized and submitted to the server, where a server side object would attempt to map that into a server side class?
Hubert
On Fri, 29 Oct 2004 13:45:34 -0700, Don Brown <[EMAIL PROTECTED]> wrote:
Actually, I just wrote a web application that uses Struts 1.2.4, Struts Flow - http://struts.sf.net/flow , iBATIS database layer, and a touch of Java. Struts Flow allows you to use a Javascript function to replace a Struts action. I use iBATIS to run SQL queries and return Lists of Maps (a Map keyed by column names in the result set), then feed those Maps to the JSP. Struts Flow provides a jsobjectToMap function that lets you convert a Javascript object to a Map, and likewise, a ScriptableMap which lets you access a Map as if it was a Javascript object.
This technique let me write an entire application mostly in Javascript with very little code. The iBATIS sql map layer functioned as my DAO and the use of Maps as my data structure worked great.
If you have any questions, I'd be happy to elaborate. The bottom line is it is very possible and in fact quite easy to write a Struts app using mostly Javascript, with a smattering of Java for things like application init and more complicated algorithms.
Don
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