[seam-issues] [JBoss JIRA] Created: (SEAMXML-21) Field references should support value attribute

[Dan Allen (JIRA)]

Field references should support value attribute
-----------------------------------------------

                 Key: SEAMXML-21
                 URL: https://jira.jboss.org/browse/SEAMXML-21
             Project: Seam XML Configuration
          Issue Type: Feature Request
    Affects Versions: 3.0.0.Alpha3
            Reporter: Dan Allen


Field references should support a value attribute if the field type is a convertable type* (Seam XML knows how to turn it into an object). This will drastically simplify the appearance and verbosity of a field definitions, particularly virtual fields.

Consider the configuration of the default locale as an example. Presently, it would be configured as follows:

<String>
   <Produces/>
   <lc:DefaultLocale/>
   <value>fr</value>
</String>

Since String is a convertable type, the proposed change would allow it to be simplified to:

<String value="fr">
   <Produces/>
   <lc:DefaultLocale/>
</String>

Another example would be assigning an numeric value to a bean field. Presently, the configuration is:

<x:Account>
   <x:balance>
      <value>100</value>
   </x:balance>
</x:Account>

With support for the value attribute, this could be simplified to:

<x:Account>
   <x:balance value="100"/>
</x:Account>

If the type being configured has a value property, then of course the value attribute would assign the value of property named "value" instead of being treated as the overall value of the field.

* Examples of convertable types are string, date, number, etc.

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