deployment of application using third party libraries in java

Question

I have seen many people asking this but not a clear answer. I guess that it would depend on each case, so here is my situation:

My application performs encryption and decryption using the methods provided by the default JRE installation. I decided to use Bouncy Castle (BC) as a provider, so I would need to include their jars in my application. The problem is that my application is less than 20 Kb in size, so including a 1.6 Mb third party jar would definitely be overkill.

I do not use any type of IDE and I can't think of any way I could possibly include just the classes that are used by the third party library. I tried to play around with one-jar but it seems to need to include the entire jar, so: how could I overcome this problem?

Answer 1

Your sole concern seems to be the JAR's file size and the need to remove unused classes. In that case, you can use ProGuard for this.