Plugins

Programs are composed of plugins, which configure a set of element types used to implement a service, facility or application. Every program has a .plugin file which lists the plugins on which it depends. Specifically, a plugin is a class which implements the Plugin interface.

1. Core Element Model Plugins

Plugin	Dependencies	Requires	Provides
EMPlugin	-	/Home, /SystemResources/UserGroups/admin	-
IdentityPlugin	EMPlugin	/AutoStart/SmtpService	/Home
AccessControlPlugin	IdentityPlugin	-	/SystemResources/UserGroups/admin
SmtpServicePlugin	AccessControlPlugin	-	/AutoStart/SmtpService
SmtpTestServicePlugin	AccessControlPlugin	-	/AutoStart/SmtpService

Architecture

• EMPlugin - Kernel
• [IdentityPlugin]
• [AccessControlPlugin]
• [SmtpServicePlugin]
• [SmtpTestServicePlugin]

2. P2P Plugins

Plugin	Dependencies	Requires	Provides
UsersPlugin	IdentityPlugin	-	-
CPlugin	UsersPlugin	-	-
JettyProxyClientPlugin	UsersPlugin	-	-
JettyProxyServletPlugin	JPlugin, UsersPlugin	-	-
FileProxyPlugin	IdentityPlugin	-	-

Architecture

• [UsersPlugin] - Multi-User Support
• CPlugin - NIO Socket-based Peers
• [JettyProxyClientPlugin] - HTTP Client Peers
• [JettyProxyServletPlugin] - HTTP Server Peers
• [FileProxyPlugin] - Controlled Access to the File System

3. Swing Plugins

Plugin	Dependencies	Requires	Provides
GPlugin	EMPlugin	-	-
LoginPlugin	IdentityPlugin, GPlugin	-	-
NoLoginPlugin	IdentityPlugin, GPlugin	/AutoStart/SmtpService	-
RemoteLoginPlugin	IdentityPlugin, GPlugin	-	-
LocalFilesPlugin	FileProxyPlugin, GPlugin	-	-

Architecture

• GPlugin - Swing
• [LoginPlugin]
• [NoLoginPlugin]
• [RemoteLoginPlugin]
• [LocalFilesPlugin]

5. Demo Plugins

Plugin	Dependencies	Requires	Provides
HelloForever	GPlugin	-	-
MiscPlugin	EMPlugin	-	-
ServletsPlugin	UsersPlugin, FileProxyPlugin	-	-

Architecture

• [HelloForever] - Swing demo
• [MiscPlugin] - Commands exercising various capabilities
• [ServletsPlugin] - Exposes the ElementModel via the Jetty Web Server