| /* |
| * 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.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.felix.deploymentadmin.AbstractDeploymentPackage; |
| import org.apache.felix.deploymentadmin.AbstractInfo; |
| import org.apache.felix.deploymentadmin.BundleInfoImpl; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Version; |
| import org.osgi.service.deploymentadmin.DeploymentException; |
| import org.osgi.service.log.LogService; |
| |
| /** |
| * Command that installs all bundles described in the source deployment package |
| * of a deployment session. If a bundle was already defined in the target |
| * deployment package of the same session it is updated, otherwise the bundle is |
| * simply installed. |
| */ |
| public class UpdateCommand extends Command { |
| |
| protected void doExecute(DeploymentSessionImpl session) throws Exception { |
| AbstractDeploymentPackage source = session.getSourceAbstractDeploymentPackage(); |
| AbstractDeploymentPackage targetPackage = session.getTargetAbstractDeploymentPackage(); |
| BundleContext context = session.getBundleContext(); |
| LogService log = session.getLog(); |
| |
| Map expectedBundles = new HashMap(); |
| AbstractInfo[] bundleInfos = (AbstractInfo[]) source.getBundleInfos(); |
| for (int i = 0; i < bundleInfos.length; i++) { |
| AbstractInfo bundleInfo = bundleInfos[i]; |
| if (!bundleInfo.isMissing()) { |
| expectedBundles.put(bundleInfo.getPath(), bundleInfo); |
| } |
| } |
| |
| try { |
| while (!expectedBundles.isEmpty()) { |
| AbstractInfo entry = source.getNextEntry(); |
| if (entry == null) { |
| throw new DeploymentException(CODE_OTHER_ERROR, "Expected more bundles in the stream: " + expectedBundles.keySet()); |
| } |
| |
| String name = entry.getPath(); |
| BundleInfoImpl bundleInfo = (BundleInfoImpl) expectedBundles.remove(name); |
| if (bundleInfo == null) { |
| if (isLocalizationFile(name)) { |
| // FELIX-518: do not try to process signature or localization files... |
| continue; |
| } |
| throw new DeploymentException(CODE_OTHER_ERROR, "Resource '" + name + "' is not described in the manifest."); |
| } |
| |
| String bsn = bundleInfo.getSymbolicName(); |
| Version sourceVersion = bundleInfo.getVersion(); |
| |
| Bundle bundle = targetPackage.getBundle(bsn); |
| try { |
| if (bundle == null) { |
| // new bundle, install it |
| bundle = context.installBundle(BUNDLE_LOCATION_PREFIX + bsn, new BundleInputStream(source.getCurrentEntryStream())); |
| addRollback(new UninstallBundleRunnable(bundle, log)); |
| } |
| else { |
| // existing bundle, update it |
| Version currentVersion = getVersion(bundle); |
| if (!sourceVersion.equals(currentVersion)) { |
| bundle.update(new BundleInputStream(source.getCurrentEntryStream())); |
| addRollback(new UpdateBundleRunnable(bundle, targetPackage, log)); |
| } |
| } |
| } |
| catch (Exception be) { |
| if (isCancelled()) { |
| return; |
| } |
| throw new DeploymentException(CODE_OTHER_ERROR, "Could not install new bundle '" + name + "' (" + bsn + ")", be); |
| } |
| |
| if (!bundle.getSymbolicName().equals(bsn)) { |
| throw new DeploymentException(CODE_BUNDLE_NAME_ERROR, "Installed/updated bundle symbolicname (" + bundle.getSymbolicName() + ") do not match what was installed/updated: " + bsn); |
| } |
| |
| Version targetVersion = getVersion(bundle); |
| if (!sourceVersion.equals(targetVersion)) { |
| throw new DeploymentException(CODE_OTHER_ERROR, |
| "Installed/updated bundle version (" + targetVersion + ") do not match what was installed/updated: " + sourceVersion + ", offending bundle = " + bsn); |
| } |
| } |
| } |
| catch (IOException e) { |
| throw new DeploymentException(CODE_OTHER_ERROR, "Problem while reading stream", e); |
| } |
| } |
| |
| private Version getVersion(Bundle bundle) { |
| return Version.parseVersion((String) bundle.getHeaders().get(BUNDLE_VERSION)); |
| } |
| |
| private boolean isLocalizationFile(String name) { |
| return name.startsWith("OSGI-INF/l10n/"); |
| } |
| |
| private static class UninstallBundleRunnable extends AbstractAction { |
| private final Bundle m_bundle; |
| private final LogService m_log; |
| |
| public UninstallBundleRunnable(Bundle bundle, LogService log) { |
| m_bundle = bundle; |
| m_log = log; |
| } |
| |
| protected void doRun() throws Exception { |
| m_bundle.uninstall(); |
| } |
| |
| protected void onFailure(Exception e) { |
| m_log.log(LogService.LOG_WARNING, "Could not rollback update of bundle '" + m_bundle.getSymbolicName() + "'", e); |
| } |
| } |
| |
| private static class UpdateBundleRunnable extends AbstractAction { |
| private final AbstractDeploymentPackage m_targetPackage; |
| private final Bundle m_bundle; |
| private final LogService m_log; |
| |
| public UpdateBundleRunnable(Bundle bundle, AbstractDeploymentPackage targetPackage, LogService log) { |
| m_bundle = bundle; |
| m_targetPackage = targetPackage; |
| m_log = log; |
| } |
| |
| protected void doRun() throws Exception { |
| InputStream is = null; |
| try { |
| is = m_targetPackage.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 update of bundle '" + m_bundle.getSymbolicName() + "'", e); |
| } |
| } |
| |
| private final class BundleInputStream extends InputStream { |
| private final InputStream m_inputStream; |
| |
| private BundleInputStream(InputStream jarInputStream) { |
| m_inputStream = jarInputStream; |
| } |
| |
| public int read() throws IOException { |
| checkCancel(); |
| return m_inputStream.read(); |
| } |
| |
| public int read(byte[] buffer) throws IOException { |
| checkCancel(); |
| return m_inputStream.read(buffer); |
| } |
| |
| public int read(byte[] buffer, int off, int len) throws IOException { |
| checkCancel(); |
| return m_inputStream.read(buffer, off, len); |
| } |
| |
| private void checkCancel() throws IOException { |
| if (isCancelled()) { |
| throw new IOException("Stream was cancelled"); |
| } |
| } |
| } |
| } |