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The following page has been changed by MichaelJouravlev: http://wiki.apache.org/struts/StateManagement ------------------------------------------------------------------------------ Best fit: non-critical information about a particular client, session, or application. Usually employed for user profiling, like zip code or preferred language. Also used for "remember me" login. + How Struts can help: + * Struts does not have functions specific to storing state in cookies. + * Struts helps to maintain session if cookies are not enabled. Struts automatically calls {{{response.encodeURL()}}} when processing <html:form> and <html:link> tags. This tells server to add session ID to links and HTML forms. == Rewritten URLs == @@ -86, +89 @@ * State is tied to page address. Best fit: applications where the query string only affects the view, like online catalogs or magazines. A page can be reloaded without affecting the server and without POSTDATA messages. Navigating back and forward is not an issue. - === Clean URLs === @@ -163, +165 @@ Implications: Application must provide explicit navigational links and buttons so users would not have to use standard browser navigation buttons. Application must recognize and handle double-submit situations. + How Struts can help: + * Use [http://struts.apache.org/1.x/struts-taglib/tlddoc/html/hidden.html <html:hidden> tag] to store hidden field information and to submit it to location specified in <html:form> tag. + * Use [http://struts.apache.org/1.2.9/api/org/apache/struts/util/TokenProcessor.html TokenProcessor class] to distinguish resubmits. + == Browser objects (DOM elements, Javascript variables, Flash storage) == Pro: * Can store complex structures and objects. @@ -175, +181 @@ * Lost when a page is reloaded unless special care is taken. Best fit: Ajax-style Single Page applications. + + How Struts can help: + * Struts does not have built-in features for saving state in client DOM/Javascript objects. + + Additional information: + * [http://codinginparadise.org/weblog/2005/08/ajax-tutorial-saving-session-across.html Saving Session Across Page Loads Without Cookies, On The Client Side] -- tutorial by Brad Neuberg == Server session object ==
