allow to determine NLS resource by other inputs via call-back method
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Key: VALIDATOR-270
URL: https://issues.apache.org/jira/browse/VALIDATOR-270
Project: Commons Validator
Issue Type: New Feature
Affects Versions: 1.3.1 Release
Environment: jdk1.5+
Reporter: Ralf Hauser
in our struts application, a form field that is for example too long can not be
named depending on the locale alone, but also on other factors
in order to allow for this, a call-back method would need to access the
HttpServlet and HttpServletRequest in order to be able to access the
ServletContext and HttpSession that allow to determine which resource to take.
Therefore, it would be great if the DTD had 3 more optional attributes to the
<msg> tag:
1) "callBackMethod" (e.g. "org.apache.myApp.NameChooser.determine")
2) "callBackParameters" (e.g.
"javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServlet" -
commaSeparated), obviously, only classes allowed that are available at the
point where a validate() is executed
3) "callBackNames" (e.g. in a struts action or jsp, this would be
"request,servlet" or if the Parameter were "javax.servlet.ServletContext", the
name in a jsp would be "pageContext")
Alternatively, the arguments might be handed over in a generic object array?
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