| /* |
| * 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 java.io.InputStream; |
| |
| import org.apache.felix.deploymentadmin.AbstractDeploymentPackage; |
| import org.apache.felix.deploymentadmin.BundleInfoImpl; |
| import org.osgi.framework.Bundle; |
| import org.osgi.service.log.LogService; |
| |
| /** |
| * Command that uninstalls bundles, if rolled back the bundles are restored. |
| */ |
| public class DropBundleCommand extends Command { |
| |
| protected void doExecute(DeploymentSessionImpl session) throws Exception { |
| AbstractDeploymentPackage target = session.getTargetAbstractDeploymentPackage(); |
| AbstractDeploymentPackage source = session.getSourceAbstractDeploymentPackage(); |
| LogService log = session.getLog(); |
| |
| BundleInfoImpl[] orderedTargetBundles = target.getOrderedBundleInfos(); |
| for (int i = orderedTargetBundles.length - 1; i >= 0; i--) { |
| BundleInfoImpl bundleInfo = orderedTargetBundles[i]; |
| String symbolicName = bundleInfo.getSymbolicName(); |
| |
| if (!bundleInfo.isCustomizer() && source.getBundleInfoByName(symbolicName) == null) { |
| // stale bundle, save a copy for rolling back and uninstall it |
| try { |
| Bundle bundle = target.getBundle(symbolicName); |
| bundle.uninstall(); |
| addRollback(new InstallBundleRunnable(bundle, target, log)); |
| } |
| catch (Exception be) { |
| log.log(LogService.LOG_WARNING, "Bundle '" + symbolicName + "' could not be uninstalled", be); |
| } |
| } |
| } |
| } |
| |
| private static class InstallBundleRunnable extends AbstractAction { |
| private final AbstractDeploymentPackage m_target; |
| private final Bundle m_bundle; |
| private final LogService m_log; |
| |
| public InstallBundleRunnable(Bundle bundle, AbstractDeploymentPackage target, LogService log) { |
| m_bundle = bundle; |
| m_target = target; |
| m_log = log; |
| } |
| |
| protected void doRun() throws Exception { |
| InputStream is = null; |
| try { |
| is = m_target.getBundleStream(m_bundle.getSymbolicName()); |
| if (is != null) { |
| m_bundle.update(is); |
| } |
| else { |
| throw new RuntimeException("Unable to get Inputstream for bundle '" + m_bundle.getSymbolicName() + "'"); |
| } |
| } |
| finally { |
| closeSilently(is); |
| } |
| } |
| |
| protected void onFailure(Exception e) { |
| m_log.log(LogService.LOG_WARNING, "Could not rollback uninstallation of bundle '" + m_bundle.getSymbolicName() + "'", e); |
| } |
| } |
| } |