Need the source and/or the Javadoc of a java library?
Try http://www.jsourcery.com/. It contains the clickable source of many libraries and applications, like Spring, Apache (Commons), JUnit, ActiveMQ etc. etc. Unfortunately, their generator is not available.

About Author

Aino Andriessen is principal consultant and expertise lead 'Continuous Delivery'. His focus is on Oracle Fusion Middleware ADF and SOA development, Continuous Delivery, architecture, improving the software development proces and quality management. He is a frequent presenter at Oracle Open World, ODTUG Kaleidoscope, UKOUG Technology Conference and OUGN Vårseminar. He writes articles and publishes at the AMIS technology blog (http://technology.amis.nl/blog/).