| /* |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.karaf.cellar.hazelcast; |
| |
| import org.apache.karaf.cellar.core.utils.CombinedClassLoader; |
| import org.osgi.framework.*; |
| |
| import java.util.Dictionary; |
| |
| /** |
| * Hazelcast bundle listener. |
| */ |
| public class HazelcastBundleListener implements SynchronousBundleListener { |
| |
| private BundleContext bundleContext; |
| private CombinedClassLoader combinedClassLoader; |
| |
| public HazelcastBundleListener(BundleContext bundleContext, CombinedClassLoader combinedClassLoader) { |
| this.bundleContext = bundleContext; |
| this.combinedClassLoader = combinedClassLoader; |
| } |
| |
| public void scanExistingBundles() { |
| Bundle[] bundles = bundleContext.getBundles(); |
| for (Bundle bundle : bundles) { |
| if (isBundleEligible(bundle)) { |
| combinedClassLoader.addBundle(bundle); |
| } |
| } |
| } |
| |
| @Override |
| public void bundleChanged(BundleEvent event) { |
| switch (event.getType()) { |
| case BundleEvent.STARTING: |
| case BundleEvent.STARTED: |
| if (isBundleEligible(event.getBundle())) { |
| combinedClassLoader.addBundle(event.getBundle()); |
| } |
| break; |
| case BundleEvent.STOPPING: |
| case BundleEvent.STOPPED: |
| case BundleEvent.RESOLVED: |
| case BundleEvent.UNINSTALLED: |
| if (isBundleEligible(event.getBundle())) { |
| combinedClassLoader.removeBundle(event.getBundle()); |
| } |
| break; |
| } |
| } |
| |
| public boolean isBundleEligible(Bundle bundle) { |
| if (bundle != null) { |
| Dictionary dictionary = bundle.getHeaders(); |
| if (dictionary != null) { |
| String importPackage = (String) dictionary.get(org.osgi.framework.Constants.IMPORT_PACKAGE); |
| if (importPackage != null && (importPackage.contains("com.hazelcast") || importPackage.contains("org.apache.karaf.cellar"))) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| } |