Hi folks,
We've got a single requirement in our app where the user can come in on a
RESTful URL. The idea is that they make a request and then leave, there is no
more interaction. Originally I set this up as a single page with an action.
However, I didn't know how to specify that the action only be executed once, so
it got run each time the page was submitted after validation errors for
example. I ended up coding around it by maintaining state in the component, but
that was hacky, as the component didn't need to maintain anything beyond page
conversations.
My solution was to create a restful url whose sole purpose in life is to
jumpstart a component only once:
| <page view-id="/prepareInspectionRequest.xhtml"
| action="#{inspectionRequestAction.preparePage}">
| <param name="accountNumber"
| value="#{inspectionRequestForm.accountNumber}"/>
| <param name="userProfile"
| value="#{inspectionRequestForm.userProfile}"/>
|
| <navigation from-action="#{inspectionRequestAction.preparePage}">
| <rule if="#{inspectionRequestAction.validRequest}">
| <redirect view-id="/inspectionRequest.xhtml"/>
| </rule>
| <rule if="#{not inspectionRequestAction.validRequest}">
| <redirect view-id="/message.xhtml"/>
| </rule>
| </navigation>
| </page>
|
Is this the best approach?
The conversation scopes of these components defaults to page, which could be
fine. After the redirect, the component has lost its state. How to redirect and
maintain "page conversation" state.
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