JiraWebworkActionDispatcher This is the servlet that invokes WebWork actions and then dispatches to their appropriate view. 

Resolves a mapping from action result code to a particular view that should be used to present the results to the end user. 

PluginsAwareViewMapping.Component A component that reacts to plugin events and clears the current cache of view mappings when webwork plugin module descriptors are enabled / disabled. 
SoyTemplateAddress This helper class allows us to interpret the soy template parameters better into something we can call.