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Client Design - First Iteration

The first version of the client is to show that the whole system works.

Requirements

• It can contact the server.
• It is aware of what library and the version it is using.
• It can query the server for the latest binary compatible version of the library it is using.
• It can download the new version of the library and overwrite its existing copy.

There is still additional work that needs to be done on the server before the client can communicate with it. A ProtocolAdapter will need to be written to allow the BaseAgent on the server to handle incoming requests. Currently the server is only open to HTTP requests via Tomcat. The ProtocolAdapter needs to be able to handle incoming client requests, but not necessarily provide the functionality to allow them to download the libraries. Since file transfer is a solved problem I will adopt the quickest solution. This will probably be transferring the JAR file over HTTP, i.e. have a JSP that will take the library name and version and send the file.

The client will show its current library, contact the server, download the new version then display it. All output will be to the console at this point.