/*
* 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.clerezza.platform.launcher;
import java.net.URL;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Set;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.service.startlevel.StartLevel;
/**
* OSGi Clerezza Launcher Bundle Activator.
*
* @author daniel
*/
public class ClerezzaActivator implements BundleActivator {
@Override
public void start(BundleContext context) throws Exception {
System.out.println("starting platform launcher");
ServiceReference startLevelRef =
context.getServiceReference(StartLevel.class.getName());
StartLevel startLevel = (StartLevel) context.getService(startLevelRef);
final int currentBundleStartLevel =
startLevel.getBundleStartLevel(context.getBundle());
startLevel.setStartLevel(currentBundleStartLevel);
final int originalStartLevel = startLevel.getStartLevel();
int nextLevel = currentBundleStartLevel + 1;
Enumeration<URL> bundleJars =
context.getBundle().findEntries("platform-bundles", "*.jar", true);
Set<MavenArtifactDesc> artDescs = new HashSet<MavenArtifactDesc>();
while (bundleJars.hasMoreElements()) {
MavenArtifactDesc artDesc =
MavenArtifactDesc.parseFromURL(bundleJars.nextElement());
artDescs.add(artDesc);
}
ClerezzaApp.installBundles(context, artDescs, nextLevel);
final int newStartLevel =
originalStartLevel > nextLevel + 1 ? originalStartLevel : nextLevel + 1;
startLevel.setStartLevel(newStartLevel);
if (startLevel.getInitialBundleStartLevel() < nextLevel + 1) {
startLevel.setInitialBundleStartLevel(nextLevel + 1);
}
System.out.println("uninstalling platform launcher");
context.getBundle().uninstall();
}
@Override
public void stop(BundleContext context) throws Exception {
}
}