Attachment 942293 Details for Bug 1147491 – BundleListActivator - can start and stop more activators

BundleListActivator - can start and stop more activators

BundleListActivator.java (text/plain), 2.25 KB, created by Martin Swiech on 2014-09-29 11:59:31 UTC

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Creator: Martin Swiech

Created: 2014-09-29 11:59:31 UTC

Size: 2.25 KB

patch

obsolete

>package org.jboss.soa.qa.rtgct.osgi;
>
>import org.osgi.framework.Bundle;
>import org.osgi.framework.BundleActivator;
>import org.osgi.framework.BundleContext;
>import org.osgi.framework.BundleException;
>import org.osgi.framework.wiring.BundleWiring;
>
>import java.util.ArrayList;
>import java.util.Dictionary;
>import java.util.List;
>
>/**
> * BundleActivator which contains more BundleActivators defined in OSGI property "Bundle-Activator-List".
> */
>public class BundleListActivator implements BundleActivator {
>
>	/**
>	 * Name of OSGI property where bundle activators can be found.
>	 */
>	public static final String ACTIVATOR_LIST_HEADER = "Bundle-Activator-List";
>
>	private BundleActivator[] activators;
>
>	@Override
>	public void start(BundleContext context) throws Exception {
>		activators = getBundleActivators(context);
>		for (int i = 0; i < activators.length; i++) {
>			activators[i].start(context);
>		}
>	}
>
>	@Override
>	public void stop(BundleContext context) throws Exception {
>		if (activators != null) {
>			for (int i = activators.length - 1; i >= 0; i--) {
>				activators[i].stop(context);
>			}
>		}
>		activators = null;
>	}
>
>	private BundleActivator[] getBundleActivators(final BundleContext context) throws Exception {
>		final Dictionary<String, String> headers = context.getBundle().getHeaders();
>		final String listStr = headers.get(ACTIVATOR_LIST_HEADER);
>		final List<BundleActivator> activatorsList = new ArrayList<BundleActivator>();
>
>		if (listStr != null && !listStr.trim().isEmpty()) {
>			final String[] listStrArr = listStr.trim().split("\\s*[;,]\\s*");
>			for (final String className : listStrArr) {
>				if (className != null && !className.isEmpty()) {
>					final BundleActivator ba = createBundleActivator(className, context.getBundle());
>					activatorsList.add(ba);
>				}
>			}
>		}
>		return activatorsList.toArray(new BundleActivator[activatorsList.size()]);
>	}
>
>	private BundleActivator createBundleActivator(final String className, final Bundle bundle) throws Exception {
>		final ClassLoader bundleCl = bundle.adapt(BundleWiring.class).getClassLoader();
>		final Class clazz;
>		try {
>			clazz = Class.forName(className, false, bundleCl);
>		} catch (ClassNotFoundException ex) {
>			throw new BundleException("Not found: " + className, ex);
>		}
>		return (BundleActivator) clazz.newInstance();
>	}
>}

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Attachments on bug 1147491: 942293