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/*
* 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.tuscany.sca.base;
import java.util.ArrayList;
import java.util.List;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
/**
* A bundle activator that delegates to others
*/
public class AggregatedBundleActivator implements BundleActivator {
public static final String BUNDLE_ACTIVATOR_LIST = "Tuscany-Bundle-Activator-List";
private List<BundleActivator> activators = new ArrayList<BundleActivator>();
public void start(BundleContext context) throws Exception {
String list = (String)context.getBundle().getHeaders().get(BUNDLE_ACTIVATOR_LIST);
if (list == null) {
return;
}
for (String cls : list.split(",")) {
Object i = context.getBundle().loadClass(cls).newInstance();
if (i instanceof BundleActivator) {
((BundleActivator)i).start(context);
activators.add((BundleActivator)i);
}
}
}
public void stop(BundleContext context) throws Exception {
for (BundleActivator a : activators) {
a.stop(context);
}
}
}
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