Technically, a bundle is just a jar file with a manifest. A modular application is, in essence, one thats divided into several pieces. In this post, well take the first implementation we made using osgi and use spring dynamic modules to improve the application spring dynamic modules spring dm makes the development of osgi. Allows to implement spring applications on top of an osgi framework. Chapter 5, bundles and application contexts describes the relationship between an osgi bundle and a spring. Osgi and spring, part 1, build and deploy osgi bundles using apache felix.
Java spring spring framework introduction part youtube. Therefore, osgi plugins can be used without restrictions in other java environments. Creating flexible applications with osgi and spring by craig walls free downlaod publisher. I just announced the new learn spring course, focused on the fundamentals of. A stepbystep guide for developers to build java components and package them as osgi bundles using apache felix, an open source osgi container. Register this code at checkout to receive the discount. Our technological background is jee with spring framework. It provides a services registry as well as an application life cycle management framework. Running spring mvc web applications in osgi dzone java. How do you use spring in osgi hi weve selected osgi to modularize our system, it is obvious.
Spring and osgi spring is a defacto standard for enterprise java apps dependency injection aop many technology abstractions and implementations spring osgi. Mf file containing some osgi specific headers the osgi platform provides a way to receive notifications about bundles becoming available. Spring framework i about the tutorial spring framework is an open source java platform that provides comprehensive infrastructure support for developing robust java applications very easily and very rapidly. Beyond this, osgi provides such features as granular component. Spring framework was initially written by rod johnson and was first released under the apache 2. Logically, a bundle is a piece of functionality that has an independent lifecycle which means it can be started, stopped and removed independently. Pdf the open services gateway initiative osgi is a framework that supports the. Converting a spring application to an osgi application ibm. If a spring application contains only web application archive war files, you can convert it automatically to run in osgi applications, but it still.
The following listing is an example for a manifest file. Discount codes are included where available to the osgi community. For the past couple of weeks, ive been developing a web application that deploys into an osgi container equinox and uses spring dms spring mvc support. Currently doing agile development using multiple java open source frameworks such as hibernate, spring.
Introduction to osgi my background software developer for the last 3. This tutorial creates successively more complex osgi bundles to illustrate most of the features and functionality offered by the osgi framework. Apache karaf building osgi applications on apache karaf. Spring and osgi combined with spring dynamic modules. Using bundle lifecycle to launch a swing application. The eclipse ide, for instance, is an osgibased application. Apache karaf is a small osgi based runtime which provides a lightweight container onto which various components and applications can be deployed. Below are links to some useful articles and blog posts on osgi, spring and related topics.
Springdm, formerly known as spring osgi tutorial 2008 by martin lippert, bj hargrave, adrian colyer. Osgi and spring dynamic modules simple hello world. Spring dmor spring dynamic modules for osgi service platforms, as its more. Spring dynamic modules reference guide project metadata api.