On Fri, Jun 13, 2008 at 2:44 PM, tosisodia <[EMAIL PROTECTED]> wrote: > hi guys, > > I am trying to create a POS (point of sale) application which would be > deployed at one system only. The back end logic (in nascent stage) is > written in java/spring/hibernate, but I want my GUI to be in FLEX/AIR. > So far my understanding is FLEX cannot communicate with java without > use of some web server. Since a POS appliance is very low ended I do > not wish to use any server. Is there any way I can make FLEX > communicate with POJO. I am very new to flex, so it would be helpful > if you could provide some examples too.
Hi Raj, You will have to create a server side in Java and then make Flex/AIR communicate with your server side. Since I have created a POS in Flex+Java, I would like to share my experience with you. First, the communication between Java and Flex should be just like any ordinary Flex+Java application. Where you will have troubles is when you need to print from a specific Computer that has it's own POS printer. That part was the trickier one. In order to solve that problem, I had to create a print server. Since I was using Java, I just created the print server in Java. This print server would have a mapping of printer port to ip. So, whenever a request is coming from a certain IP, the server knows which port to send the print command to. On the server side, I recommend you either use BlazeDS or the Hessian protocol. Since I have developed the application in Flex 2, I decided to use the Hessian protocol, which is relatively fast and easy to setup. I hope this information was useful. Fidel.
