Java PackageAdmin类代码示例

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
private Bundle getOSGiBundle(String symbolicName, BundleContext bcontext) {

		ServiceReference<PackageAdmin> ref = bcontext.getServiceReference(PackageAdmin.class);
		PackageAdmin packageAdmin = bcontext.getService(ref);
		if (packageAdmin == null)
			return null;
		Bundle[] bundles = packageAdmin.getBundles(symbolicName, null);
		if (bundles == null)
			return null;
		//Return the first bundle that is not installed or uninstalled
		for (int i = 0; i < bundles.length; i++) {
			if ((bundles[i].getState() & (Bundle.INSTALLED | Bundle.UNINSTALLED)) == 0) {
				return bundles[i];
			}
		}
		return null;
	}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
private Bundle getOSGiBundle(String symbolicName) {

		ServiceReference<PackageAdmin> ref = context.getBundleContext().getServiceReference(PackageAdmin.class);
		PackageAdmin packageAdmin = context.getBundleContext().getService(ref);
		if (packageAdmin == null)
			return null;
		Bundle[] bundles = packageAdmin.getBundles(symbolicName, null);
		if (bundles == null)
			return null;
		//Return the first bundle that is not installed or uninstalled
		for (int i = 0; i < bundles.length; i++) {
			if ((bundles[i].getState() & (Bundle.INSTALLED | Bundle.UNINSTALLED)) == 0) {
				return bundles[i];
			}
		}
		return null;
	}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
/**
 * Load the Class of name <code>klassName</code>.
 * TODO : handle class version
 *
 * @param context   The BundleContext
 * @param klassName The Class name
 * @return The Class of name <code>klassName</code>
 * @throws ClassNotFoundException if we can't load the Class of name <code>klassName</code>
 */
public static Class<?> loadClass(BundleContext context, String klassName) throws ClassNotFoundException {
    ServiceReference sref = context.getServiceReference(PackageAdmin.class.getName());
    try {
        PackageAdmin padmin = (PackageAdmin) context.getService(sref);
        // extract package name
        String packageName = klassName.substring(0, klassName.lastIndexOf('.'));
        ExportedPackage pkg = padmin.getExportedPackage(packageName);
        if (pkg == null) {
            try {
                return context.getBundle().loadClass(klassName);
            } catch (ClassNotFoundException e) {
                throw new ClassNotFoundException("No package found with name " + packageName + " while trying to load the class "
                        + klassName + ".", e);
            }
        }
        return pkg.getExportingBundle().loadClass(klassName);
    } finally {
        context.ungetService(sref);
    }
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
private static Set<String> toActivate(Framework f, Collection<? extends Module> allModules) {
    ServiceReference sr = f.getBundleContext().getServiceReference("org.osgi.service.packageadmin.PackageAdmin"); // NOI18N
    if (sr == null) {
        return null;
    }
    PackageAdmin pkgAdm = (PackageAdmin)f.getBundleContext().getService(sr);
    if (pkgAdm == null) {
        return null;
    }
    Set<String> allCnbs = new HashSet<String>(allModules.size() * 2);
    for (ModuleInfo m : allModules) {
        allCnbs.add(m.getCodeNameBase());
    }
    
    Set<String> needEnablement = new HashSet<String>();
    for (Bundle b : f.getBundleContext().getBundles()) {
        String loc = b.getLocation();
        if (loc.startsWith("netigso://")) {
            loc = loc.substring("netigso://".length());
        } else {
            continue;
        }
        RequiredBundle[] arr = pkgAdm.getRequiredBundles(loc);
        if (arr != null) for (RequiredBundle rb : arr) {
            for (Bundle n : rb.getRequiringBundles()) {
                if (allCnbs.contains(n.getSymbolicName().replace('-', '_'))) {
                    needEnablement.add(loc);
                }
            }
        }
    }
    return needEnablement;
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
private PackageAdmin getPackageAdmin() {

		return AccessController.doPrivileged(new PrivilegedAction<PackageAdmin>() {

			public PackageAdmin run() {
				ServiceReference ref = bundleContext.getServiceReference(PackageAdmin.class.getName());
				if (ref == null)
					throw new IllegalStateException(PackageAdmin.class.getName() + " service is required");
				// don't do any proxying since PackageAdmin is normally a framework service
				// we can assume for now that it will always be available
				return (PackageAdmin) bundleContext.getService(ref);
			}
		});
	}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
public void start(BundleContext context) throws Exception {
	//disable the JSR99 compiler that does not work in OSGi;
	//This will convince jasper to use the JDTCompiler that invokes ecj (see JSP-21 on the glassfish bug-tracker)
	System.setProperty("org.apache.jasper.compiler.disablejsr199", Boolean.TRUE.toString());
	this.context = context;
	thisBundle = context.getBundle();
	packageAdminTracker = new ServiceTracker(context, PackageAdmin.class.getName(), this);
	packageAdminTracker.open();
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
SystemBundle() {
    this.props = new Hashtable();
    this.props.put(Constants.BUNDLE_NAME, Constants.SYSTEM_BUNDLE_LOCATION);
    this.props.put(Constants.BUNDLE_VERSION, Framework.FRAMEWORK_VERSION);
    this.props.put(Constants.BUNDLE_VENDOR, "Atlas");
    ServiceReferenceImpl serviceReferenceImpl = new ServiceReferenceImpl(this, this, null, new String[]{StartLevel.class.getName(), PackageAdmin.class.getName()});
    Framework.addValue(Framework.classes_services, StartLevel.class.getName(), serviceReferenceImpl);
    Framework.addValue(Framework.classes_services, PackageAdmin.class.getName(), serviceReferenceImpl);
    Framework.services.add(serviceReferenceImpl);
    this.registeredServices = new ServiceReference[]{serviceReferenceImpl};
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
private boolean startBundle(String bundleId)
{
	PackageAdmin packageAdmin = (PackageAdmin) getService(getContext(), PackageAdmin.class.getName());
	if (packageAdmin == null)
		return false;

	Bundle[] bundles = packageAdmin.getBundles(bundleId, null);
	if (bundles != null && bundles.length > 0)
	{
		for (int i = 0; i < bundles.length; i++)
		{
			try
			{
				if ((bundles[0].getState() & Bundle.INSTALLED) == 0)
				{
					bundles[0].start();
					return true;
				}
			}
			catch (BundleException e)
			{
				// failed, try next bundle
			}
		}
	}
	return false;
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
/**
 * Returns the bundles for a given bundle name and version range,
 * regardless whether the bundle is resolved or not.
 *
 * @param bundleName the bundle name
 * @param version the version of the bundle, or <code>null</code> for all bundles
 * @return the bundles of the given name belonging to the given version range
 * @since 3.10
 */
public Bundle[] getBundles(String bundleName, String version) {
	Bundle[] bundles= Platform.getBundles(bundleName, version);
	if (bundles != null)
		return bundles;

	// Accessing unresolved bundle
	ServiceReference<PackageAdmin> serviceRef= fBundleContext.getServiceReference(PackageAdmin.class);
	PackageAdmin admin= fBundleContext.getService(serviceRef);
	bundles= admin.getBundles(bundleName, version);
	if (bundles != null && bundles.length > 0)
		return bundles;
	return null;
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
public EclipseRuntimeDataProvider(BundleContext context) {
    super();

    this.context = context;

    this.eclipseBundleListener = new EclipseBundleListener();
    this.eclipseAllServiceListener = new EclipseAllServiceListener();

    this.packageAdminReference = context.getServiceReference(PackageAdmin.class.getName());
    this.packageAdmin = (PackageAdmin) context.getService(packageAdminReference);

    this.startLevelReference = context.getServiceReference(StartLevel.class.getName());
    this.startLevel = (StartLevel) context.getService(startLevelReference);
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
public BundleItem(final Bundle bundle, final StartLevel startLevel, final PackageAdmin packageAdmin) {
    if (bundle == null) {
        throw new NullPointerException("bundle");
    }

    this.bundleDelegate = bundle;
    this.remoteBundleDelegate = null;
    this.startLevel = startLevel;
    this.packageAdmin = packageAdmin;
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
public static PackageAdmin getPackageAdmin() throws Exception {
    if (packageAdminInstance == null) {
        String msg = "Before activating Carbon UI bundle, an instance of "
                     + "PackageAdmin Service should be in existance";
        log.error(msg);
        throw new Exception(msg);
    }
    return packageAdminInstance;
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
public static Bundle getDMCoreBundle(BundleContext ctx) {
	ServiceReference ref = ctx.getServiceReference(PackageAdmin.class.getName());
	if (ref != null) {
		Object service = ctx.getService(ref);
		if (service instanceof PackageAdmin) {
			PackageAdmin pa = (PackageAdmin) service;
			if (pa != null) {
				return pa.getBundle(OsgiBundleXmlApplicationContext.class);
			}
		}
	}
	return null;
}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
private PackageAdmin getPackageAdmin() {

		return (PackageAdmin) AccessController.doPrivileged(new PrivilegedAction() {

			public Object run() {
				ServiceReference ref = bundleContext.getServiceReference(PackageAdmin.class.getName());
				if (ref == null)
					throw new IllegalStateException(PackageAdmin.class.getName() + " service is required");
				// don't do any proxying since PackageAdmin is normally a framework service
				// we can assume for now that it will always be available
				return (PackageAdmin) bundleContext.getService(ref);
			}
		});
	}
 

import org.osgi.service.packageadmin.PackageAdmin; //导入依赖的package包/类
@SuppressWarnings("deprecation")
public void refreshBundle(Bundle changedBundle, BundleContext context) {
	try {
		ServiceReference ref = context.getServiceReference(PackageAdmin.class.getName());
		PackageAdmin pa = (ref == null) ? null : (PackageAdmin) context.getService(ref);
		System.out.println("Refreshing bundle " + changedBundle);
		pa.refreshPackages(new Bundle[] { changedBundle });
	} catch (Throwable e) {
		System.err.println(e.getMessage());
		e.printStackTrace();
	}
}