/*
* 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.karaf.shell.impl.console.osgi;
import java.io.Closeable;
import java.util.concurrent.CopyOnWriteArraySet;
import org.apache.felix.gogo.runtime.threadio.ThreadIOImpl;
import org.apache.karaf.shell.api.console.CommandLoggingFilter;
import org.apache.karaf.shell.api.console.SessionFactory;
import org.apache.karaf.shell.impl.action.command.ManagerImpl;
import org.apache.karaf.shell.impl.action.osgi.CommandExtender;
import org.apache.karaf.shell.impl.console.SessionFactoryImpl;
import org.apache.karaf.shell.impl.console.osgi.secured.SecuredSessionFactoryImpl;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.framework.ServiceRegistration;
import org.osgi.util.tracker.ServiceTracker;
import org.osgi.util.tracker.ServiceTrackerCustomizer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Activator implements BundleActivator {
private static final String START_CONSOLE = "karaf.startLocalConsole";
private static final Logger LOGGER = LoggerFactory.getLogger(Activator.class);
private ThreadIOImpl threadIO;
private SessionFactoryImpl sessionFactory;
private ServiceRegistration<SessionFactory> sessionFactoryRegistration;
private CommandExtender actionExtender;
private Closeable eventAdminListener;
private LocalConsoleManager localConsoleManager;
ServiceTracker<CommandLoggingFilter, CommandLoggingFilter> filterTracker;
CommandTracker commandTracker;
@Override
public void start(final BundleContext context) throws Exception {
threadIO = new ThreadIOImpl();
threadIO.start();
sessionFactory = new SecuredSessionFactoryImpl(context, threadIO);
sessionFactory.getCommandProcessor().addConverter(new Converters(context));
sessionFactory.getCommandProcessor().addConstant(".context", context.getBundle(0).getBundleContext());
final CopyOnWriteArraySet<CommandLoggingFilter> listeners = new CopyOnWriteArraySet<>();
filterTracker = new ServiceTracker<>(
context, CommandLoggingFilter.class, new ServiceTrackerCustomizer<CommandLoggingFilter, CommandLoggingFilter>() {
@Override
public CommandLoggingFilter addingService(ServiceReference<CommandLoggingFilter> reference) {
CommandLoggingFilter service = context.getService(reference);
listeners.add(service);
return service;
}
@Override
public void modifiedService(ServiceReference<CommandLoggingFilter> reference, CommandLoggingFilter service) {
}
@Override
public void removedService(ServiceReference<CommandLoggingFilter> reference, CommandLoggingFilter service) {
listeners.remove(service);
context.ungetService(reference);
}
});
filterTracker.open();
LoggingCommandSessionListener loggingCommandSessionListener = new LoggingCommandSessionListener();
loggingCommandSessionListener.setFilters(listeners);
sessionFactory.getCommandProcessor().addListener(loggingCommandSessionListener);
try {
EventAdminListener listener = new EventAdminListener(context);
sessionFactory.getCommandProcessor().addListener(listener);
eventAdminListener = listener;
} catch (NoClassDefFoundError error) {
// Ignore the listener if EventAdmin package isn't present
}
sessionFactory.register(new ManagerImpl(sessionFactory, sessionFactory));
sessionFactoryRegistration = context.registerService(SessionFactory.class, sessionFactory, null);
actionExtender = new CommandExtender(sessionFactory);
actionExtender.start(context);
commandTracker = new CommandTracker(sessionFactory, context);
commandTracker.open();
if (Boolean.parseBoolean(context.getProperty(START_CONSOLE))) {
localConsoleManager = new LocalConsoleManager(context, sessionFactory);
localConsoleManager.start();
} else {
LOGGER.info("Not starting local console. To activate set " + START_CONSOLE + "=true");
}
}
@Override
public void stop(BundleContext context) throws Exception {
filterTracker.close();
sessionFactoryRegistration.unregister();
if (localConsoleManager != null) {
localConsoleManager.stop();
}
sessionFactory.stop();
actionExtender.stop(context);
commandTracker.close();
threadIO.stop();
if (eventAdminListener != null) {
eventAdminListener.close();
}
}
}