/****************************************************************************** | |
* Copyright (c) 2006, 2010 VMware Inc. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v1.0 | |
* and Apache License v2.0 which accompanies this distribution. | |
* The Eclipse Public License is available at | |
* http://www.eclipse.org/legal/epl-v10.html and the Apache License v2.0 | |
* is available at http://www.opensource.org/licenses/apache2.0.php. | |
* You may elect to redistribute this code under either of these licenses. | |
* | |
* Contributors: | |
* VMware Inc. | |
*****************************************************************************/ | |
package org.eclipse.gemini.blueprint.util.internal; | |
import org.osgi.framework.Bundle; | |
import org.osgi.framework.BundleContext; | |
import org.osgi.framework.ServiceReference; | |
import org.osgi.service.packageadmin.PackageAdmin; | |
/** | |
* Internal utility used for internal purposes. | |
* | |
* @author Costin Leau | |
*/ | |
public abstract class BundleUtils { | |
public static final String DM_CORE_ID = "spring.osgi.core.bundle.id"; | |
public static final String DM_CORE_TS = "spring.osgi.core.bundle.timestamp"; | |
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(BundleUtils.class); | |
} | |
} | |
} | |
return null; | |
} | |
public static String createNamespaceFilter(BundleContext ctx) { | |
Bundle bnd = getDMCoreBundle(ctx); | |
if (bnd != null) { | |
return "(|(" + DM_CORE_ID + "=" + bnd.getBundleId() + ")(" + DM_CORE_TS + "=" + bnd.getLastModified() | |
+ "))"; | |
} | |
return ""; | |
} | |
} |