Sets request & post based on file selection.
See Also: org.apache.struts.action.ActionForm.reset(org.apache.struts.action.ActionMappingjavax.servlet.http.HttpServletRequest) Parameters: arg0 - Parameters: request -
Verifies that username is not null or empty.
Could potentially do the same for password later.
See Also: org.apache.struts.action.ActionForm.validate(org.apache.struts.action.ActionMappingjavax.servlet.http.HttpServletRequest) Parameters: mapping - Parameters: request -