In a scenario where a filter needs to restrict access based on user roles, which object or method is essential for implementing this?
- filterConfig.getInitParameter("role")
- request.getRoleParameter()
- request.getUserRole()
- request.isUserInRole()
To restrict access based on user roles, the request.isUserInRole() method is essential. It allows the filter to check whether the user associated with the request is in a particular security role.
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