XML/JSON symmetric REST web services providers for Jersey

Many times I’ve been asked to provide a set of Web Services interfaces where both JSON and XML clients can communicate with the server. Primarily it’s done for a set of reasons:

1. XML is very convenient to use for inter-service communication.
2. JSON is great for AJAX (web) clients. It’s perfect for GWT too.

In the recent project we’ve been using XStream for all serialization aspects and, since it can serialize both to XML and JSON, it was plugged into Jersey as a provider too. Following you can see XML and JSON providers implemented using XStream library.

XML Provider (annotated to be a default provider, it’ll be used if no Content-Type or Accept headers provided):

Web Form Validation: Best Practices and Tutorials

Great article about forms and ways of implementing data validation for the web applications.

Highly advised to read.

The importance of nightly builds (hilarious)!

I’ve preached to all my customers and co-workers the importance of Continuous Integration. Now I’ll be pointing them to this training course – they’ll learn and will have fun at the same time.

It’s hilarious!