/*
* 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 all bundles, if rolled back the bundles are restored.
*/
public class DropAllBundlesCommand extends Command {
protected void doExecute(DeploymentSessionImpl session) throws Exception {
AbstractDeploymentPackage target = session.getTargetAbstractDeploymentPackage();
LogService log = session.getLog();
BundleInfoImpl[] orderedTargetBundles = target.getOrderedBundleInfos();
for (int i = orderedTargetBundles.length - 1; i >= 0; i--) {
BundleInfoImpl bundleInfo = orderedTargetBundles[i];
// stale bundle, save a copy for rolling back and uninstall it
String symbolicName = bundleInfo.getSymbolicName();
try {
Bundle bundle = target.getBundle(symbolicName);
if (bundle != null) {
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);
}
}
}