/*
* Copyright (c) 2003-2010, KNOPFLERFISH project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* - Neither the name of the KNOPFLERFISH project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.knopflerfish.bundle.http;
import java.util.Dictionary;
import java.util.Hashtable;
import org.knopflerfish.service.log.LogRef;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.cm.Configuration;
import org.osgi.service.cm.ConfigurationAdmin;
import org.osgi.service.cm.ConfigurationException;
import org.osgi.service.cm.ManagedServiceFactory;
public class Activator implements BundleActivator {
// public constants
public static final String FACTORY_PID = "org.knopflerfish.bundle.http.factory.HttpServer";
// public fields
public static BundleContext bc = null;
static LogRef log = null;
// private fields
private HttpServerFactory serverFactory = null;
private ServiceRegistration configReg = null;
// implements BundleActivator
public void start(BundleContext bc) {
Activator.bc = bc;
log = new LogRef(bc, true);
serverFactory = new HttpServerFactory(bc, log);
Dictionary parameters = new Hashtable();
parameters.put("service.pid", FACTORY_PID);
configReg = bc.registerService(ManagedServiceFactory.class.getName(),
serverFactory, parameters);
ServiceReference adminRef = null;
try {
ConfigurationAdmin admin = null;
Configuration[] configs = null;
try {
adminRef = bc.getServiceReference(ConfigurationAdmin.class
.getName());
// Potential start order problem!
if (adminRef != null) {
admin = (ConfigurationAdmin) bc.getService(adminRef);
String filter = "(&(service.factoryPid=" + FACTORY_PID
+ ")" + "(|(service.bundleLocation="
+ bc.getBundle().getLocation() + ")"
+ "(service.bundleLocation=NULL)"
+ "(!(service.bundleLocation=*))))";
configs = admin.listConfigurations(filter);
}
} catch (Exception e) {
if (log.doDebug())
log.debug("Exception when trying to get CM", e);
}
if (admin == null) {
if (log.doInfo())
log.info("No CM present, using default configuration");
serverFactory.updated(HttpServerFactory.DEFAULT_PID, HttpConfig
.getDefaultConfig(bc));
} else {
if (configs == null || configs.length == 0) {
if (log.doInfo())
log
.info("No configuration present, creating default configuration");
serverFactory.updated(HttpServerFactory.DEFAULT_PID,
HttpConfig.getDefaultConfig(bc));
}
}
} catch (ConfigurationException ce) {
if (log.doError())
log.error("Configuration error", ce);
} finally {
if (adminRef != null)
bc.ungetService(adminRef);
}
}
public void stop(BundleContext bc) {
bc = null;
configReg.unregister();
configReg = null;
serverFactory.destroy();
serverFactory = null;
log.close();
log = null;
}
} // Activator