Hello,
I am trying to use the Preparable but having some problems while the page is
being rendered. I will try my best to explain the problem, please ask if you
need more information as i might not be able to accurately explain the
problem as i am pretty new to struts2.
Scenario:
User should be able to create the EmailDistributionList and create email
Addresses under it.
My first attempt is to be able to create the Group Itself . So i introduced
an action which implements Preparable interface.
The Action provides
1.) List of currently avaialable groups- displayed as dropdown on the
screen.
2.) has a group id based on which it tries to decide whether to load data
from the databse or not. e.g. if the user
lands for the first time on the page there would be no id in the rquest
hence the id would not have any data in
it. it is similar to the CRUD example on struts website.
Creation and saving of the group went ok, the problem occured when i load
the data from the databse and try to display it on the screen.
i have defined just one action in struts.xml to accomplish this. when the
user arrives for the first time through the menu item which is of course a
get request , the user is provided with list of available groups and a blank
description field (since it does not have any id in the request).
When the user changes selection in the drop down i do a post to the same
action which binds the id to group id field in the action. It works ok as
far as it has the id in the request and loads the data from the databse and
stuff. but as soon as it reaches the screen and when it tries to extract
data out of the domain it wipes out the fields from the group domain, e.g.
If the Group had id name and description, and i try to display the
description on the page like <s:textarea name="group.description"/> the page
shows nothing in it even though the id was passed to the action and logger
statements show that the group has the description on the server side.
I used <s:debug/> tag to see more information but even in that information
it shows that the description is blank. I am trying to solve this problem
for a long time but have been unsuccessful in resolving it, your help would
be greatly appreciated.
Thanks
Manish.
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