List/Grid Tag Archives: OSGi

osgi-alliance-logo

JBoss Fuse – Some less known trick

TL;DRexpose java static calls as Karaf shell native commands override OSGi Headers at deploy time override OSGi Headers after deploy time with OSGi FragmentsExpose java static calls ...
osgi-alliance-logo

OSGi Service Test Helper: ServiceRegistrationRule

OSGi Service Tests can be an efficient means to avoid problems related to dangling service references. As promised in my post about writing simple service contribution verifications, ...
java-interview-questions-answers

OSGi Service Test Helper: ServiceCollector

OSGi services come in handy for the development of systems based on loosely coupled components. But loose coupling can make it difficult to recognize problems related to dangling service ...
eclipse-logo

Apache FOP Integration with Eclipse and OSGi

Apache FOP is an open source print processor driven by XSL formatting objects (XSL-FO). It can be quite useful to transform data objects into a PDF for example. However it turned out ...
java-interview-questions-answers

A common CXF Request Interceptor for all OSGi Bundles

I have been working on Apache CXF, Karaf, Felix from path few months and i find all these bundled technologies very interesting to work with. While working on some use cases i have ...
java-interview-questions-answers

OSGi Testsuite: Introducing Classname Filters

OSGi Testsuite is a JUnit test-runner that collects dynamically test classes for execution. It has been published by my fellow Rüdiger about a year ago and proven useful in some projects ...
java-interview-questions-answers

OSGi: the gateway into micro-services architecture

The terms “modularity” and “microservices architecture” pop up quite often these days in context of building scalable, reliable distributed systems. Java platform ...
apache-felix-logo

Configure Your OSGi Services with Apache Felix File Install

A recent post about Managed Services reminded me of a feature in Apache Felix File Install that I found worth mentioning. While working on a project with Holger, I learned from him ...
java-interview-questions-answers

An Automated OSGi Test Runner

Among my fellow team members I was known for notoriously forgetting to maintain the (JUnit) test suite. I just can’t get this extra step of manually adding a test to a suite into ...
osgi-alliance-logo

How to Create Extensible Java Applications

Many applications benefit from being open to extension. This post describes two ways to implement such extensibility in Java. Extensible Applications Extensible applications are applications ...
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