Re: [equinox-dev] Integrating plugin bundles in normal Java

[Thomas Watson <tjwatson@xxxxxxxxxx>]

I would recommend that you launch app A in a way that is consistent with the normal launch of eclipse. By that I mean use a configuration folder with a config.ini that is the same as if you are launching your application with the eclipse.exe. The config.ini configures a set of bundles into the framework for your application. You should be able to do something like this

        String[] equinoxArgs = { "-console", "-noExit",
              "-configuration" "/path/to/configuration",
              "-application", "myApp.Application"};
       BundleContext context = EclipseStarter.startup(equinoxArgs, null);
        Object appResult = EclipseStarter.run(null);

Tom



Tom Hsu ---10/29/2008 01:41:44 PM---Hi experts,

From:	Tom Hsu <tom.hsu@xxxxxxxxxx>
To:	equinox-dev@xxxxxxxxxxx
Date:	10/29/2008 01:41 PM
Subject:	[equinox-dev] Integrating plugin bundles in normal Java

---

Hi experts,

I am new to equinox so please excuse me for some obvious/stupid 
questions. However, I am still trying to wrap my head around this module 
system.

I am tasked with integrating an existing application A that is build 
using bundles and equinox osgi in eclipse into another standalone Java 
program B that will be traditional jar based program. I would like to 
invoke the Equinox OSGi system to load these bundles/packages in the 
standalone Java program through code and execute the main method of the 
app A through program B.

My setup is as follows:
/plugins/ all the bundles that app A requires are here.
          also app A has a main bundle here

I can use Eclipse Application run option to launch it or comandline 
"java -cp startup.jar org.eclipse.core.launcher.Main -
application myApp.Application ..."

However, I am exploring the option to launch app A with another existing 
java program B. As a prototype, I am writing a plain POJO with main method:

    public static void main(String[] args) throws Exception {
        String[] equinoxArgs = { "-console", "-noExit" };
        BundleContext context = EclipseStarter.startup(equinoxArgs, null);
       
        String pluginDir = "file:C:\\work\\";
        String commonJarName = 
"org.eclipse.equinox.common_3.2.0.v20060603.jar";
        String configJarName = 
"org.eclipse.update.configurator_3.2.2.R32x_v20070111.jar";
       
        Bundle commonBundle = context.installBundle(pluginDir + 
commonJarName);
        Bundle configBundle = context.installBundle(pluginDir + 
configJarName);
        configBundle.start();
       
        String jarName = "fetchlets.jar";
        String directoryPath = "file:C:\\work\\plugins\\";
        String locationStr = directoryPath + jarName;

        Bundle bundle = context.installBundle(locationStr);
        bundle.start();
    }

However, my bundle fetchlets.jar cannot be started because, the 
configurator bundle does not auto-discover all the required bundles in 
the plugins directory. Can someone help me figure out if I can tell the 
EclipseStarter to auto-load all bundles at a specific locations?

Or is there another approach I can use that is very similar to the run 
options in Eclipse where setting the platform will suffice to load all 
the plugins automatically?

I have been looking at:
http://www.eclipse.org/equinox/documents/quickstart.php
http://www.eclipsezone.com/eclipse/forums/t93976.rhtml


Regards,
Tom
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