Managing webapp session data/controller flow for multiple tabs

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This is usually done by assigning a windowId for each tab/window and passing it on each request. Jsf supports this via orchestra. Spring mvc will support it in the next version.

I recently needed this for a simple case, so I implemented it myself. Took half an hour. However, my scope was very limited:

  • pass a windowId with each request, and return it back for the next request. The first time – generate it.
  • for any attribute you want to store in the session, put a Map<String, Object> where the key is the windowId

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