DO NOT REPLY [Bug 8369] New: - enhancement request : specifying abstract or interface FormBeans

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=8369

enhancement request : specifying abstract or interface FormBeans

           Summary: enhancement request : specifying abstract or interface
                    FormBeans
           Product: Struts
           Version: 1.1 Beta 1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: Controller
        AssignedTo: struts-dev@jakarta.apache.org
        ReportedBy: ndeloof@capgemini.fr


Struts current version has the limitation that you have to specify a concrete 
class for formBean in mapping declaration (struts-config.xml). This limitation 
seem's to come from the way ActionServlet tests the class of curent FormBean in 
scope to know if it has to instanciate a new one : the test uses the class name.

Using a Class object obtained from declared name, with isInstance() test (or 
another reflect mecanism) would allow :
1. Have the form bean subclass an abstract form bean,
2. have the form bean implement a form bean interface you define, or
3. specify a specific class name (as actual behaviour)

Overhead could be limited by using a cache mecanism, the same way Struts look 
for Action classes as needed.

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