...
- Ensure that
servlet-config
Interceptor is included in the Action's stack.The default stack already includes
servlet-config
.
- Edit the Action so that it implements the ServletResponseAware interface.
- The ServletResponseAware interface expects a
setServletResponse
method. You may wish to include a companiongetServletResponse
method.
- The ServletResponseAware interface expects a
- At runtime, call
getServletResponse
to obtain a reference to the response object.Info When the
servlet-config
Interceptor sees that an Action implements ServletResponseAware, it passes a reference to the request the Action'ssetServletResponse
method.
@see action struts-default.xmlTip It is more difficult to test Actions with runtime dependencies on HttpServletReponse. Only implement ServletResponseAware as a last resort. A better approach to solving a use case involving the response may be with a custom Result Type.
@see org.apache.struts.action2.interceptor.ServletResponseAware
@see org.apache.struts.action2.interceptor.ServletConfigInterceptor