| /* |
| * Licensed under the Apache License, Version 2.0 (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.aries.subsystem.gogo; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.subsystem.Subsystem; |
| |
| public class Activator implements BundleActivator { |
| private BundleContext bundleContext; |
| |
| public void start(BundleContext context) throws Exception { |
| bundleContext = context; |
| |
| Dictionary<String, Object> props = new Hashtable<String, Object>(); |
| props.put("osgi.command.function", new String[] { "install", "uninstall", "start", "stop", "list" }); |
| props.put("osgi.command.scope", "subsystem"); |
| context.registerService(getClass().getName(), this, props); |
| } |
| |
| public void install(String url) throws IOException { |
| Subsystem rootSubsystem = getSubsystem(0); |
| System.out.println("Installing subsystem: " + url); |
| Subsystem s = rootSubsystem.install(url, new URL(url).openStream()); |
| System.out.println("Subsystem successfully installed: " + s.getSymbolicName() + "; id: " + s.getSubsystemId()); |
| } |
| |
| public void uninstall(long id) { |
| getSubsystem(id).uninstall(); |
| } |
| |
| public void start(long id) { |
| getSubsystem(id).start(); |
| } |
| |
| public void stop(long id) { |
| getSubsystem(id).stop(); |
| } |
| |
| public void list() throws InvalidSyntaxException { |
| Map<Long, String> subsystems = new TreeMap<Long, String>(); |
| |
| for (ServiceReference<Subsystem> ref : bundleContext.getServiceReferences(Subsystem.class, null)) { |
| Subsystem s = bundleContext.getService(ref); |
| if (s != null) { |
| subsystems.put(s.getSubsystemId(), |
| String.format("%d\t%s\t%s %s", s.getSubsystemId(), s.getState(), s.getSymbolicName(), s.getVersion())); |
| } |
| } |
| |
| for (String entry : subsystems.values()) { |
| System.out.println(entry); |
| } |
| } |
| |
| private Subsystem getSubsystem(long id) { |
| try { |
| for (ServiceReference<Subsystem> ref : |
| bundleContext.getServiceReferences(Subsystem.class, "(subsystem.id=" + id + ")")) { |
| Subsystem svc = bundleContext.getService(ref); |
| if (svc != null) |
| return svc; |
| } |
| } catch (InvalidSyntaxException e) { |
| throw new RuntimeException(e); |
| } |
| throw new RuntimeException("Unable to find subsystem " + id); |
| } |
| |
| public void stop(BundleContext context) throws Exception { |
| } |
| } |