Share types between Dart and Java

Question

Is it possible to integrate the two worlds at least on the data transfer level? Say i have Java objects which are provided through a Spring WebMVC REST endpoint and my Dart client access these resources with AJAX. It would be nice if the transfered type would be known by the Dart client aswell so i don't have to synchronize the Dart and Java version of the same type definition but the IDE could give me suggestion and errors if the data access on the client side is invalid.

EDIT

A little more explanation what i'm trying to do because it seems i was not clear enough:

On the Java side i define a bean which is converted to JSON by Spring WebMVC + Jackson. So the transfer unit IS already JSON. I can easily access data with Dart dynamically but that's not what i want to do.
I want to parse the retreived Data to a Dart class which as it turns out being a replicate of the original Java bean's class definition. Take a look at JsonObject's explanation on Dart's site, especially the Language abstract class. That's exactly what i'm doing right now. I'm defining an abstract class which defines the JSON data i'm retreiving from the server. This way Dart can give syntax errors if i'm accessing non existing fields or doing incompatible casts, etc. Of course this can still yield into a parse error but after that i can work with the data in a typed manner.
My problem is that to achieve this i have to manually synchronize the data bean's class definition on the Java side and the abstract class definition on the Dart side. I'm wondering if there's somebody working on creating something like a code generator which creates a Dart class definition from a Java class definition or so.

Well, you can use JSON as a data exchange format, for instance — fge, Jun 13 '13 at 14:31
possible duplicate of [Get variable from JavaScript into Dart](http://stackoverflow.com/questions/16880641/get-variable-from-javascript-into-dart) — Zdeslav Vojkovic, Jun 13 '13 at 14:32
The answer I linked doesnt fit the `IDE could give me suggestion and errors if the data access on the client side is invalid.` part, though. — Zdeslav Vojkovic, Jun 13 '13 at 14:33
ooops, must have been sleeping. though, he gets JS objects (unless its XML) on client side, so... — Zdeslav Vojkovic, Jun 13 '13 at 14:52
Somebody please remove the Javascript stuff from this question. It has nothing to do with Javascript. I've extended my question to be more specific. — NagyI, Jun 14 '13 at 06:59

score 1 · Accepted Answer · edited May 23 '17 at 12:21

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You are asking for Editor feature which would quitely lead to performance degradation of the editor. For any such feature the Editor might need to build/maintain Object Graph/Syntax Tree ( would this use AST in java world ) for java objects and then compare it with Dart's Syntax Tree.

Also different languages will put forward the same request example C#, Ruby, etc. There does not seem to be any sane way to validate the objects from different programming world within performance limits.

I can borrow some more points from below stackoverflow q/a on why its simpler to use JSON/XML rather than any other way to exchange data between java/c# world to dart world -\

edited May 23 '17 at 12:21

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answered Jun 14 '13 at 05:58

appbootup

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I've extended my question to be more specific. I'm fine with JSON i don't want to use Java serialization. That's not what i wish to do. – NagyI Jun 14 '13 at 06:58
Cool. You have run into same problem as me in a different domain. In our case we have issues with JSON across JavaScript and Java World. I have not found the right tools yet. Dart and Java world might turn out simpler :) – appbootup Jun 14 '13 at 09:04
I'll accept this because your first link revealed me Apache Thrift and Google Protocol Buffers which seems like a good trade of. I wonder if there's a Dart generator available for any of these. – NagyI Jun 14 '13 at 20:11

Share types between Dart and Java

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