Creating a new webservice in Eclipse from Java methods

Following this tutorial will show how this is easy to create a webservices from your existing POJO java mathods. If you have good java application with all methods, simply follow this to expose your methods to the world. If you want to keep it private, use Shiro to keep your webservice available only to your applications.
Use jsSHA to encrypt your Javascript.

Tutorial:
http://www.eclipse.org/webtools/community/tutorials/BottomUpAxis2WebService/bu_tutorial.html