The beauty of implementing a maven-plugin is that all attributes of the plugin
are configurable
open struts2-osgi-plugin.jar
edit
.\META-INF\maven\plugin.xml
look for<bean name="osgi" type="com.opensymphony.xwork2.config.PackageProvider"
class="org.apache.struts2.osgi.OsgiConfigurationProvider" />
as long as your com.opensymphony.xwork2.config.PackageProvider (felix provider)
implements
interfacescom.opensymphony.xwork2.config.PackageProviderorg.osgi.framework.BundleListener
then substitute in the felix PackageProvider to class attribute at
<bean name="osgi" type="com.opensymphony.xwork2.config.PackageProvider"
class="org.apache.struts2.osgi.OsgiConfigurationProvider" />
save .\META-INF\maven\plugin.xml/close/rejar/place struts2-osgi-plugin.jar
back into lib folder (after saving original as
struts2-osgi-plugin.jar.original) if you do not redirect the PackageProvider
this Struts-osgi-Listener will be called as seen here from Provider code
org.apache.struts2.osgi.OsgiConfigurationProvider
public class OsgiConfigurationProvider implements PackageProvider,
BundleListener {
private static final Logger LOG =
LoggerFactory.getLogger(OsgiConfigurationProvider.class);
private Configuration configuration;
private ObjectFactory objectFactory;
private OsgiHost osgiHost;
private BundleContext bundleContext;
private BundleAccessor bundleAccessor;
private boolean bundlesChanged = false;
private ServletContext servletContext;
public void init(Configuration configuration) throws ConfigurationException
{
osgiHost = (OsgiHost)
servletContext.getAttribute(StrutsOsgiListener.OSGI_HOST);
bundleContext = osgiHost.getBundleContext();
bundleAccessor.setBundleContext(bundleContext);
bundleAccessor.setOsgiHost(osgiHost);
this.configuration = configuration;
//this class loader interface can be used by other plugins to lookup
resources
//from the bundles. A temporary class loader interface is set during
other configuration
//loading as well
servletContext.setAttribute(ClassLoaderInterface.CLASS_LOADER_INTERFACE, new
BundleClassLoaderInterface());
}
where servletContext Listener is set to
org.apache.struts2.osgi.StrutsOsgiListener public class StrutsOsgiListener
implements ServletContextListener {
public static final String OSGI_HOST = "__struts_osgi_host";
private FelixOsgiHost osgiHost; public void
contextInitialized(ServletContextEvent sce) {
ServletContext servletContext = sce.getServletContext();
osgiHost = new FelixOsgiHost();
servletContext.setAttribute(OSGI_HOST, osgiHost);
try {
osgiHost.init(servletContext);
} catch (Exception e) {
throw new StrutsException("Apache Felix failed to start", e);
}
} org.apache.struts2.osgi.FelixOsgiHost init will be called
public void init(ServletContext servletContext) {
this.servletContext = servletContext;
startFelix();
}
protected void startFelix() {
//load properties from felix embedded file
Properties configProps = getProperties("default.properties"); //
Copy framework properties from the system properties.
Main.copySystemProperties(configProps);
replaceSystemPackages(configProps); //struts, xwork and felix
exported packages
Properties strutsConfigProps = getProperties("struts-osgi.properties");
addExportedPackages(strutsConfigProps, configProps); //find
bundles and adde em to autostart property
addAutoStartBundles(configProps); // Bundle cache
String storageDir = System.getProperty("java.io.tmpdir") +
".felix-cache";
configProps.setProperty(Constants.FRAMEWORK_STORAGE, storageDir);
if (LOG.isDebugEnabled())
LOG.debug("Storing bundles at [#0]", storageDir); String
cleanBundleCache = getServletContextParam("struts.osgi.clearBundleCache",
"true");
if ("true".equalsIgnoreCase(cleanBundleCache)) {
if (LOG.isDebugEnabled())
LOG.debug("Clearing bundle cache");
configProps.put(FelixConstants.FRAMEWORK_STORAGE_CLEAN,
FelixConstants.FRAMEWORK_STORAGE_CLEAN_ONFIRSTINIT);
} //other properties
configProps.put(FelixConstants.SERVICE_URLHANDLERS_PROP, "false");
configProps.put(FelixConstants.LOG_LEVEL_PROP,
getServletContextParam("struts.osgi.logLevel", "1"));
configProps.put(FelixConstants.BUNDLE_CLASSPATH, ".");
configProps.put(FelixConstants.FRAMEWORK_BEGINNING_STARTLEVEL,
getServletContextParam("struts.osgi.runLevel", "3")); try {
List<BundleActivator> list = new ArrayList<BundleActivator>();
list.add(new AutoActivator(configProps));
configProps.put(FelixConstants.SYSTEMBUNDLE_ACTIVATORS_PROP, list);
felix = new Felix(configProps);
felix.start();
if (LOG.isTraceEnabled())
LOG.trace("Apache Felix is running");
}
catch (Exception ex) {
throw new ConfigurationException("Couldn't start Apache Felix", ex);
}
http://blogs.atlassian.com/2007/07/osgi_plugin_for_struts_2_lesso/
Martin
______________________________________________
Verzicht und Vertraulichkeitanmerkung/Note de déni et de confidentialité
Diese Nachricht ist vertraulich. Sollten Sie nicht der vorgesehene Empfaenger
sein, so bitten wir hoeflich um eine Mitteilung. Jede unbefugte Weiterleitung
oder Fertigung einer Kopie ist unzulaessig. Diese Nachricht dient lediglich dem
Austausch von Informationen und entfaltet keine rechtliche Bindungswirkung.
Aufgrund der leichten Manipulierbarkeit von E-Mails koennen wir keine Haftung
fuer den Inhalt uebernehmen.
Ce message est confidentiel et peut être privilégié. Si vous n'êtes pas le
destinataire prévu, nous te demandons avec bonté que pour satisfaire informez
l'expéditeur. N'importe quelle diffusion non autorisée ou la copie de ceci est
interdite. Ce message sert à l'information seulement et n'aura pas n'importe
quel effet légalement obligatoire. Étant donné que les email peuvent facilement
être sujets à la manipulation, nous ne pouvons accepter aucune responsabilité
pour le contenu fourni.
> Date: Tue, 8 Jan 2013 12:04:32 +0200
> From: christina.kasko...@eurodyn.com
> To: u...@struts.apache.org
> Subject: Using Struts2 OSGi plugin with GlassFish
>
> Hello.
>
> I am trying to use the Struts2 OSGi plugin and have tried creating a web
> application containing the struts2-osgi-demo-bundle. All goes well when
> deploying the application on Tomcat, however when I try deploying on
> GlassFish (which has Felix included) I get a number of errors which I
> understand are due to the fact that the plugin starts a new Felix
> instance while another one is already running on GlassFish and that
> certain Felix classes are present more than one times in the classpath
> (one from the Felix jars included in the application as dependencies of
> the plugin and one from the felix.jar already included in GlassFish).
> More details on the actual errors are available in this stackoverflow
> post -
> http://stackoverflow.com/questions/14200300/using-struts2-osgi-plugin-with-glassfish.
>
> My question is: is there any specific configuration I should make in
> order to use the OSGi plugin in GlassFish (or any other container
> including Felix for that matter)?
>
> Thank you,
> Christina
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org
> For additional commands, e-mail: user-h...@struts.apache.org
>
