Richard Hall & Stuart McCulloch 
OSGi in Action [EPUB ebook] 
Creating Modular Applications in Java

What is OSGi? Simply put, OSGi is a standardized technology that allowsdevelopers to create the highly modular Java applications that are required forenterprise development. OSGi lets you install, start, stop, update, or uninstallcomponents without taking down your entire system. The interest in OSGi basedapplications has exploded since major vendors like Sun, Spring, Oracle, BEA, and IBM have gotten behind the standard.OSGi in Action is a comprehensive guide to OSGi with two primary goals.First, it provides a clear introduction to OSGi concepts with examples that arerelevant both for architects and developers. Then, it explores numerous practicalscenarios and techniques, answering questions like: How much of OSGi doyou actually need? How do you embed OSGi inside other containers? What arethe best practices for moving legacy systems to OSGi? Purchase of the print book comes with an offer of a free PDF, e Pub, and Kindle e Book from Manning. Also available is all code from the book.