osgi framework

Source: http://www.blogjava.net/BlueDavy/archive/2009/04/24/267425.htmlWhen using OSGi, there are times when you need to get OSGi services outside of the OSGi container, load the class that the OSGi container loads, or you need to embed an OSGi container, and this blog is a

Now it's all in the HelloWorld. To cover all three levels of the OSGi framework, this HelloWorld may be a little more complicated than the other OSGi HelloWorld programs you see. If you're unfamiliar with some of the APIs in your code, remember to go back to the previous entry to find the corresponding content, which will help you understand the code. The key cod

What's 1.1 Equinox? From a code standpoint, Equinox is actually a complete implementation of the OSGi core standard, and adds some additional functionality on this basis (such as adding a command line and a program execution entry for the framework). All of the things we've been explaining in the previous introductory article are a small part of the OSGi core sta

After having a preliminary understanding of osgi, we are ready to write some code to run and try our best,First, I downloaded a copy of bluedavy's osgi practice.There is code that can be run directly in it. Double-click Run. BAT to run normally, which is cool!Start to practice the user login authentication module in osgi practice, and repeat the code in a row. Th

After having a preliminary understanding of osgi, we are ready to write some code to run and try our best,First, I downloaded a copy of bluedavy's osgi practice.There is code that can be run directly in it. Double-click Run. BAT to run normally, which is cool!Start to practice the user login authentication module in osgi practice, and repeat the code in a row. Th

module that allows spring developersIn addition to the architecture and dynamic configuration, the spring dynamic model also provides low-level programming required by most osgi applications, so you can focus on the business logic of the application. In the first section of this series of articles (hello, osgi, firstSection: getting started with bundles), We introduced a standard

Java software development platform. On the Internet, many connections still direct to Visual Age Micro Edition (VAME). This is also one reason why SWT is conceived and they want to use SWT in the user interface of embedded devices. This relationship explains why OSGI specifications were selected at the time.Another reason is that there are no other specifications except OSGI... ... , Add: In the http://zh

implement dynamic insertion, the classloader itself is not a common tool for application developers. 1.1.2 what does osgi do for you? Osgi checks the dependencies of your code before running your code. osgi checks the dependencies and consistency of libraries in the class path, you can package and deploy the classes you need (excluding the classes you don't nee

the osgi framework. Therefore, you have a great degree of freedom to define these attributes. 2.5.2 bundle Recognition Bundle-symbolicname is used by the osgi framework to uniquely identify a bundle. Its value is similar to the Java package and is separated by vertices, we recommend that you use the inverted write of

platform on network devices such as servers and embedded devices, you can manage the lifecycle of software components running on those devices anywhere on the network, installing, upgrading, or uninstalling them in the background without interrupting the device's normal operation.In recent years, OSGi technology has been widely used in embedded system and network equipment market. Now, thanks to Eclipse's success,

-inproject" and click "Next". The plug-in project dialog box is displayed; 3) in the plug-in project dialog box, enter the following values: Project name (project name): COM. javaworld. sample. helloworld Target Platform: An osgiframework-> standard (osgi framework-> Standard) 4) for other requirements, enter the default value and click "Next". You will see the plug-in context dialog box; 5) in the plug-in

This article isGood, osgiThe fourth part of the series. The following describes the osgi service. Readers who are not familiar with osgi can first read what osgi is.Article. Osgi Service As mentioned above, the osgi architecture is very suitable for implementing service-orie

. Spring DM calls bundlecontext. getservicereference () to find and implementCom. javaworld. sample. osgi. Spring. Contact. contactdao interface service. IfIn the framework, if more than one service matches the requirement, the Service with the highest level will be returned. In addition, you can use the filter attribute to precisely define the services you want. Next, we will modify the helloworld. xml fil

Dispatcherservlet (), props); The first parameter of the Context.registerservice method represents the type of service, because we provide a Web request service, so the service type here is one javax.servlet.Servlet , so you need to javax.servlet.Servlet pass in the method The second parameter is the service processing class, where a routing servlet is configured, followed by a corresponding program to process the specific request. The third parameter is a Bundle property that

Osgi 4.2 specification released Original article: osgi 4.2 released, Infoq Author:Alex Blewitt September 16, 2009 Translators: 88250September 17, 2009 Osgi AllianceOsgi 4.2 was released the day before yesterdaySpecification. Although early drafts have been available, this is the final standard release version. Some osgi