List/Grid Tag Archives: OSGi

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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 ...
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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 ...
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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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Permissions in OSGi

In a previous post, we looked at implementing a sandbox for Java applications in which we can securely run mobile code. This post looks at how to do the same in an OSGi environment.OSGi The ...
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Making Plain Old Java OSGi Compatible

Although OSGi is increasingly popular in the Java world, there are many Java applications and libraries that have not been designed to work in OSGi. Sometimes you may need to run such ...
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Extenders: Pattern or Anti-Pattern?

The extender pattern has become popular in recent years and has even been utilised in OSGi standards such as the Blueprint service and the Web Applications specification. In Virgo, ...
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OSGi case study: a modular vert.x

OSGi enables Java code to be divided cleanly into modules known as bundles with access to code and resources controlled by a class loader for each bundle. OSGi services provide an ...
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Servlet Basic Auth in an OSGi environment

You will first need to get a reference to the OSGI HTTP Service. You can do this through a declarative service. This post will concentrate on steps after getting a reference to the ...
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Understanding how OSGI bundles get resolved

I’d like to review how OSGI bundles get resolved and use Apache Karaf to demonstrate. Karaf is a full-featured OSGI container based on the Apache Felix kernel and is the corner stone ...
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Learn by Errors : Java + OSGi

Recently I worked on getting Apache Hive work inside an OSGi environment. While not proving to be a proverbial piece of cake (software right?.. Why am I not surprised? ), it led ...
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