RESTful Web Services » History » Revision 12
Revision 11 (chin-yeh, 10/12/2011 06:20 PM) → Revision 12/14 (chin-yeh, 10/12/2011 06:37 PM)
{{toc}} h1. RESTful Web Services h2. System Overview !rest_json.png! h2. Programming Guide Below is the overview of the *web service layers*: !component.png! _Detailed Description:_ * *(1)* this is the only integration point for the client * *(2)* this is the service layer that contains business logic * *(3)* this is the persistence layer * *(4)* this is the web service client, it could be web application, ajax application, batch program, as long as it can read or parse <code>JSON</code> formatted data * *(5)* all of the components share the same domain objects h3. How to add new web service method We use the *Shopper* service to demonstrate how to add new web service method into the existing web service. > the source file can be in the trunk, *connector-poc* in [[qconnector:wiki#SCM|SCM]] The *Shopper* service provides: * add new shopper * update shopper profile * retrieve shopper profile based on ID In short, a new web service method should contain the following components(at least): !mapping.png! _Detailed Description:_ * *Controller* - this is the place where the client talk to * *Services* - this is the business logic of the service * *DAOs* - persist or query data from data source, e.g. database