Apache Struts 2 Documentation
What are the default variables in the value stack
| Variables | Description |
|---|---|
| attr | scans the request, session, and application attributes, in that order |
| request | request attributes |
| session | session attributes |
| application | application attributes |
| parameters | request params |
| Defining Java Constant | Variables | Description |
|---|---|---|
| ActionContext.PARAMETERS | com.opensymphony.xwork.ActionContext.parameters | Same as 'parameters' above |
| ActionContext.SESSION | com.opensymphony.xwork.ActionContext.session | Same as 'session' above |
| ActionContext.APPLICATION | com.opensymphony.xwork.ActionContext.application | Same as 'application' above |
| ActionContext.LOCALE | com.opensymphony.xwork.ActionContext.locale | From locale defined in webwork.properties else from the request object |
| ActionContext.DEV_MODE | __devMode | true or false if in development mode or otherwise whereby resource bundle webwork.properties, xwork.xml, converters, validators will be refreshed when changes |
| ActionContext.HTTP_REQUEST | com.opensymphony.xwork.dispatcher.HttpServletRequest | Same as 'request' above |
| ActionContext.HTTP_RESPONSE | com.opensymphony.xwork.dispatcher.HttpServletResponse | Same as 'response' above |
| ActionContext.SERVLET_CONTEXT | com.opensymphony.xwork.dispatcher.ServletContext | Servlet's spec's ServletContext object |
| ActionContext.COMPONENT_MANAGER | com.opensymphony.xwork.interceptor.component.ComponentManager | Webwork's IOC component manager |
For further information
@see com.opensymphony.webwork.dispatcher.DispatcherUtils#createContextMap
@see com.opensymphony.xwork.interceptor.component.ComponentInterceptor
@see com.opensymphony.webwork.WebWorkStatics