| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.felix.deploymentadmin.spi; |
| |
| import org.apache.felix.deploymentadmin.AbstractDeploymentPackage; |
| import org.apache.felix.deploymentadmin.BundleInfoImpl; |
| import org.osgi.framework.Bundle; |
| import org.osgi.service.deploymentadmin.BundleInfo; |
| import org.osgi.service.deploymentadmin.DeploymentException; |
| import org.osgi.service.log.LogService; |
| |
| /** |
| * Command that stops all bundles described in the target deployment package of |
| * a deployment session. |
| * |
| * By spec every single bundle of the target package should be stopped, even if |
| * this is not strictly necessary because of bundles being unaffected by an |
| * update. To be able to skip the stopping of unaffected bundles the following |
| * system property can be defined: |
| * <code>org.apache.felix.deploymentadmin.stopunaffectedbundle</code>. If this |
| * property has value <code>false</code> (case insensitive) then unaffected |
| * bundles will not be stopped, in all other cases the bundles will be stopped |
| * according to the OSGi specification. |
| */ |
| public class StopBundleCommand extends Command { |
| |
| protected void doExecute(DeploymentSessionImpl session) throws Exception { |
| LogService log = session.getLog(); |
| |
| AbstractDeploymentPackage target = session.getTargetAbstractDeploymentPackage(); |
| BundleInfo[] bundleInfos = target.getOrderedBundleInfos(); |
| for (int i = 0; i < bundleInfos.length; i++) { |
| if (isCancelled()) { |
| throw new DeploymentException(CODE_CANCELLED); |
| } |
| |
| String symbolicName = bundleInfos[i].getSymbolicName(); |
| Bundle bundle = target.getBundle(symbolicName); |
| if (bundle != null) { |
| if (omitBundleStop(session, symbolicName)) { |
| continue; |
| } |
| if (isFragmentBundle(bundle)) { |
| log.log(LogService.LOG_INFO, "Skipping fragment bundle '" + symbolicName + "'"); |
| } |
| else { |
| addRollback(new StartBundleRunnable(session, bundle)); |
| try { |
| bundle.stop(); |
| } |
| catch (Exception e) { |
| log.log(LogService.LOG_WARNING, "Could not stop bundle '" + symbolicName + "'", e); |
| } |
| } |
| } |
| else { |
| log.log(LogService.LOG_WARNING, "Could not stop bundle '" + symbolicName + "' because it was not present in the framework"); |
| } |
| } |
| } |
| |
| /** |
| * Determines whether stopping a bundle is strictly needed. |
| * |
| * @param session The current deployment session. |
| * @param symbolicName The symbolic name of the bundle to inspect. |
| * |
| * @return Returns <code>true</code> if |
| * <code>Constants.DEPLOYMENTPACKAGE_MISSING</code> is true for the |
| * specified bundle in the source deployment package or if the |
| * version of the bundle is the same in both source and target |
| * deployment package. Returns <code>false</code> otherwise. |
| */ |
| private boolean omitBundleStop(DeploymentSessionImpl session, String symbolicName) { |
| boolean stopUnaffectedBundles = session.getConfiguration().isStopUnaffectedBundles(); |
| if (stopUnaffectedBundles) { |
| // Default behavior: stop all bundles (see spec)... |
| return false; |
| } |
| |
| BundleInfoImpl sourceBundleInfo = session.getSourceAbstractDeploymentPackage().getBundleInfoByName(symbolicName); |
| BundleInfoImpl targetBundleInfo = session.getTargetAbstractDeploymentPackage().getBundleInfoByName(symbolicName); |
| |
| boolean fixPackageMissing = sourceBundleInfo != null && sourceBundleInfo.isMissing(); |
| boolean sameVersion = (targetBundleInfo != null && sourceBundleInfo != null && targetBundleInfo.getVersion().equals(sourceBundleInfo.getVersion())); |
| |
| return (fixPackageMissing || sameVersion); |
| } |
| |
| private static class StartBundleRunnable extends AbstractAction { |
| private final DeploymentSessionImpl m_session; |
| |
| private final Bundle m_bundle; |
| |
| public StartBundleRunnable(DeploymentSessionImpl session, Bundle bundle) { |
| m_session = session; |
| m_bundle = bundle; |
| } |
| |
| protected void doRun() throws Exception { |
| m_bundle.start(); |
| } |
| |
| protected void onFailure(Exception e) { |
| m_session.getLog().log(LogService.LOG_WARNING, "Failed to start bundle '" + m_bundle.getSymbolicName() + "'", e); |
| } |
| } |
| } |