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Finally, the interceptors are executed again (in reverse order, calling the after() method) and finally returning back through the filters configured in web.xml. If the ActionContextCleanUp filter is present, the FilterDispatcher will not clean up the ThreadLocal ActionContext. If the ActionContextCleanUp filter is not present, the FilterDispatcher will cleanup all ThreadLocals.
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All objects in this architecture (action, result, interceptor, etc) are created by an ObjectFactory. This ObjectFactory is pluggable and is how frameworks like Spring and Pico integrate. You can also provide your own ObjectFactory for any reason that requires knowing when objects in WebWork are created. |