And for the question of how to build on Linux from Windows and see the errors Here the answer! Not the full answer but something to start from for a cleaver mind!
[Giagnocavo]Michael::Write() - GCC Visual Studio Integration

Here is nice example how to use Java NIO Channel and Selector
[Doc] java.nio.channels.Selector _ Java API By Example, From Geeks To Geeks.

the docking window frame work to use
InfoNode - Java Components