public void registerExtensions() {
if (extensionPoints.length > 0) {
return;
}
List registeringExtensions = new ArrayList();
BundleContext ctx = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
// parse the plugin files
DocumentBuilder docBuilder = OSGiBundleParser.getDocumentBuilder();
org.osgi.framework.Bundle[] osgiBundles = ctx.getBundles();
for (org.osgi.framework.Bundle osgiBundle : osgiBundles) {
URL pluginURL = osgiBundle.getEntry("plugin.xml");
if (pluginURL == null) {
continue;
}
Bundle bundle = registerBundle(osgiBundle);
if (bundle == null) {
// No MANIFEST.MF for this plugin.xml so ignore it
continue;
}
List[] elements =
OSGiBundleParser.parsePluginElements(docBuilder, this, pluginURL, bundle, osgiBundle);
registerExtensionPointsForPluginInternal(elements[0], false);
registeringExtensions.addAll(elements[1]);
}
extensionPoints =
extensionPointsByUniqueId
.values()
.toArray(new ExtensionPoint[extensionPointsByUniqueId.values().size()]);
// Register the extensions now that we have the extension-points all loaded
for (int i = 0; i < registeringExtensions.size(); i++) {
Extension extension = (Extension) registeringExtensions.get(i);
ExtensionPoint exPoint = getExtensionPoint(extension.getExtensionPointId());
if (exPoint == null) {
if (extension.getPlugin() != null
&& extension.getPlugin().getSymbolicName() != null
&& extension.getPlugin().getSymbolicName().startsWith(DATANUCLEUS_PKG)) {
NucleusLogger.GENERAL.warn(
Localiser.msg(
"024002",
extension.getExtensionPointId(),
extension.getPlugin().getSymbolicName(),
extension.getPlugin().getManifestLocation()));
}
} else {
extension.setExtensionPoint(exPoint);
exPoint.addExtension(extension);
}
}
}
/**
* Register the plugin bundle.
*
* @param osgiBundle the OSGi bundle
* @return the Plugin
*/
private Bundle registerBundle(org.osgi.framework.Bundle osgiBundle) {
Bundle bundle = OSGiBundleParser.parseManifest(osgiBundle);
if (bundle == null) {
// Didn't parse correctly, so ignore it
return null;
}
if (registeredPluginByPluginId.get(bundle.getSymbolicName()) == null) {
if (NucleusLogger.GENERAL.isDebugEnabled()) {
NucleusLogger.GENERAL.debug(
"Registering bundle "
+ bundle.getSymbolicName()
+ " version "
+ bundle.getVersion()
+ " at URL "
+ bundle.getManifestLocation()
+ ".");
}
registeredPluginByPluginId.put(bundle.getSymbolicName(), bundle);
}
return bundle;
}
