| Interface | Description |
|---|---|
| ActionResultTransformer | Interface for classes which transform the result of an action. |
| GrailsRequestStateLookupStrategy | Strategy interface for obtaining details about the currently executing request |
| ParameterCreationListener | A callback interface that is fired when the params object is created |
| Class | Description |
|---|---|
| DefaultRequestStateLookupStrategy | Default implementation that uses the web request to obtain information about the currently executing request. |
| GrailsWebRequest | Encapsulates a Grails request. |
| OutputAwareHttpServletResponse | Tracks whether getOutputStream() was called in order to prevent calls to getWriter() after getOutputStream() has been called |