Manages Extensions (install, uninstall, upgrade)

Description

History

1. (since 2.5): make possible to install/uninstall/upgrade a fully working ruby macro and dependencies with basic UI
   • download extension from remote repositories to a local repository
   • resolve extension dependencies in a list of repositories
   • install jar extension
     • load jar in a classloader
     • load extension components
     • make sure the extension classloader is the execution classloader (so that scripting classloader use it as parent classloader)
   • uninstall jar extension
     • unload extension components
     • unload jar from classload need a restart
   • load jar extensions from local repository at startup
     • make sure only valid extensions are loaded (i.e. if a dependency is missing the extension is not loaded)
   • list installed extensions
   • compare extension versions
2. (since 3.0):
   • add minimalistic xar support (XWIKI-5557)
     • install/uninstall/upgradde a xar extension
     • the xar can have infinite number of pages and attachments, it's just limited by the size of each attachment right now until the storage API support fully streamed attachments
     • very limited upgrade: import add a new version to make sure to not loose anything, there is no real document merging handling
     • delete pages from old version not in the new version when upgrading a xar extension (XWIKI-6102)
   • add multiwiki support (install any extension on a specific wiki only) (XWIKI-5705)
   • add extension events (XWIKI-6101)
3. (since 3.1):
   • XWiki extension repository (XWIKI-6574)
   • custom properties to extensions (XWIKI-6213)
4. (since 3.2):
   • full automated 3 ways merging of xar pages (XWIKI-6650)
   • virtual extensions (XWIKI-6742)
   • improved reporting (XWIKI-6781)
   • moved local repository to container persistent directory (XWIKI-6958)
   • complete rewrite of the XWiki Repository REST protocol (XWIKI-6871)
   • display all descriptor informations when resolving an extension (XWIKI-6967)
5. (since 3.3):
   • starting first final UI (XWIKI-6775)
   • starting stabilization of the API

Future

See Extension Manager design page.

Quick overview

Core principles:

• The extension manager supports any kind of repository (maven, extensions.xwiki.org, etc.).
• The Extension manager supports any kind of extension (jar, xar, skin, etc.).
• Each extension can have dependencies located in any repository.
• An extension can be installed/upgraded/uninstalled on any wiki or in the whole farm.

Features

• API
• XWiki Repsoitory
• Virtual extensions

Screenshots