[ http://issues.apache.org/struts/browse/STR-1072?page=all ]
Paul Benedict updated STR-1072:
-------------------------------
Bugzilla Id: (was: 15604)
Fix Version/s: 1.2.4
(was: 2.0 Family)
Assignee: (was: Struts Developers)
> Struts framework should use getInstance Method for instantiating FormBeans
> --------------------------------------------------------------------------
>
> Key: STR-1072
> URL: http://issues.apache.org/struts/browse/STR-1072
> Project: Struts 1
> Issue Type: Improvement
> Components: Core
> Affects Versions: Nightly Build
> Environment: Operating System: All
> Platform: All
> Reporter: James David
> Priority: Minor
> Fix For: 1.2.4
>
>
> Suggession
> Instead of instantiating formbeans using newInstance of reflection API,
> if struts gives the developer with a getInstance method. Developer
> will have the liberty to either create a new instance or return a Proxy
> Instance.
> Disadvantage with the existing framework :
> 1. FormBean may grow large depending upon the number of fields
> used.
> 2. When form data is required for backend purpose, Data from
> formbean has to be copied to another 'application specific
> Object', this is just to decouple struts from my application.
>
> Advantages when struts invokes a getInstance() method on the FormBean
> 1. I need have any variables in my form bean
> 2. I need not write getter/setter methods in my form bean
> 3. I need not transfer data from formbean (frontend) to my
> application specific data object (backend)
> 4. Adding new variable is as simple as adding setter/getter
> methods
> in the respective interface and start using the same name as
> variables in my JSP.
> How :
> 1. I will return a Proxy Instance for the Form Bean
> 2. Write only my application specific data object to hold the
> data,
> which will have only a HashMap.
> 3. When struts framework invokes any setter method, the data will
> be set to my data object's HashMap as MethodName vs. Value
>
> 4. Now theres no transfer of data required, all the data
> required
> for my form bean is available in the data object, which is
> specific to my application (not depending on struts).
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