/*
* 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.inventory.impl;
import org.apache.felix.inventory.impl.webconsole.WebConsoleAdapter;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.service.log.LogService;
import org.osgi.util.tracker.ServiceTracker;
/**
* Activate bridges and internal manager.
*/
public class Activator implements BundleActivator
{
private static Object logService;
private ServiceTracker logServiceTracker;
private InventoryPrinterManagerImpl printerManager;
private WebConsoleAdapter webAdapter;
/**
* @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
*/
public void start(final BundleContext context) throws Exception
{
this.logServiceTracker = new ServiceTracker(context, "org.osgi.service.log.LogService", null)
{
public Object addingService(ServiceReference reference)
{
Activator.logService = super.addingService(reference);
return Activator.logService;
}
public void removedService(ServiceReference reference, Object service)
{
Activator.logService = null;
super.removedService(reference, service);
}
};
this.logServiceTracker.open();
this.webAdapter = new WebConsoleAdapter(context);
this.printerManager = new InventoryPrinterManagerImpl(context);
}
/**
* @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
*/
public void stop(final BundleContext context) throws Exception
{
if (this.printerManager != null)
{
this.printerManager.dispose();
this.printerManager = null;
}
if (this.webAdapter != null)
{
this.webAdapter.dispose();
this.webAdapter = null;
}
Activator.logService = null;
if (this.logServiceTracker != null)
{
this.logServiceTracker.close();
this.logServiceTracker = null;
}
}
public static void log(final ServiceReference sr, final int level, final String message, final Throwable exception)
{
Object logService = Activator.logService;
if (logService != null)
{
((LogService) logService).log(sr, level, message, exception);
}
else
{
final String code;
switch (level)
{
case LogService.LOG_INFO:
code = "*INFO *";
break;
case LogService.LOG_WARNING:
code = "*WARN *";
break;
case LogService.LOG_ERROR:
code = "*ERROR*";
break;
case LogService.LOG_DEBUG:
default:
code = "*DEBUG*";
}
System.err.println(code + " " + message);
if (exception != null)
{
exception.printStackTrace(System.out);
}
}
}
}