How the Eclipse implements importing project?

How the Eclipse implements importing project and which part of the Eclipse's codes works? OK, we all know EC has function:file->import ->exsit project ...I 开发者_如何学运维am looking into the code of EC, but i cant find which part of it is used to implement this loading work.

In the part of Eclipse that you want learn more about (in this case for example in the Import Projects Wizard), you can open the Plug-in Spy using Alt+Shift+F1. It will tell you the class and the plug-in contributing the functionality. You can then check out the plug-in from the Eclipse CVS.