软件包 org.apache.struts2.interceptor

接口摘要

ApplicationAware	Actions that want to be aware of the application Map object should implement this interface.
CookieProvider	Action can create cookies which will be stored in response
CookiesAware	Actions implementing the CookiesAware interface will receive a Map of filtered cookies via the setCookiesMap method.
NoParameters	This marker interface should be implemented by actions that do not want any parameters set on them automatically.
ParameterAware	This interface gives actions an alternative way of receiving input parameters.
PrincipalAware	Actions that want access to the Principal information from HttpServletRequest object should implement this interface.
PrincipalProxy	Proxy interface used together with PrincipalAware interface.
RequestAware	Actions that want access to the current serlvet request attributes should implement this interface.
ServletRequestAware	All Actions that want to have access to the servlet request object must implement this interface.
ServletResponseAware	All Actions that want to have access to the servlet response object must implement this interface.
SessionAware	Actions that want access to the user's HTTP session attributes should implement this interface.

类摘要

ActionMappingParametersInteceptor	This interceptor sets all parameters from the action mapping, for this request, on the value stack.
BackgroundProcess	Background thread to be executed by the ExecuteAndWaitInterceptor.
CheckboxInterceptor	Looks for a hidden identification field that specifies the original value of the checkbox.
ClearSessionInterceptor	This interceptor clears the HttpSession.
CookieInterceptor	The aim of this intercepter is to set values in the stack/action based on cookie name/value of interest.
CookieProviderInterceptor	Allows actions to send cookies to client, action must implement CookieProvider You must reference this interceptor in your default stack or in action's stack, see example below
CreateSessionInterceptor	This interceptor creates the HttpSession if it doesn't exist, also SessionMap is recreated and put in ServletActionContext.
DeprecationInterceptor	In devMode checks if application uses deprecated or unknown constants and displays warning when logging level is set to DEBUG
ExecuteAndWaitInterceptor	The ExecuteAndWaitInterceptor is great for running long-lived actions in the background while showing the user a nice progress meter.
FileUploadInterceptor	Interceptor that is based off of MultiPartRequestWrapper, which is automatically applied for any request that includes a file.
I18nInterceptor	This interceptor extends the original xwork i18n interceptor and adds functionality to support cookies
MessageStoreInterceptor	An interceptor to store a ValidationAware action's messages / errors and field errors into HTTP Session, such that it will be retrievable at a later stage.
MultiselectInterceptor	Just as the CheckboxInterceptor checks that if only the hidden field is present, so too does this interceptor.
ProfilingActivationInterceptor	Allows profiling to be enabled or disabled via request parameters, when devMode is enabled
RolesInterceptor	This interceptor ensures that the action will only be executed if the user has the correct role
ScopeInterceptor	This is designed to solve a few simple issues related to wizard-like functionality in Struts.
ServletConfigInterceptor	An interceptor which sets action properties based on the interfaces an action implements.
StrutsConversionErrorInterceptor	This interceptor extends ConversionErrorInterceptor but only adds conversion errors from the ActionContext to the field errors of the action if the field value is not null, "", or {""} (a size 1 String array with only an empty String).
TokenInterceptor	Ensures that only one request per token is processed.
TokenSessionStoreInterceptor	This interceptor builds off of the TokenInterceptor, providing advanced logic for handling invalid tokens.