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/****************************************************************************
* Copyright (c) 2015 Composent, Inc.
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* Contributors: Scott Lewis - initial API and implementation
*
* SPDX-License-Identifier: EPL-2.0
*****************************************************************************/
package com.mycorp.examples.timeservice.host;
import java.util.Dictionary;
import java.util.Hashtable;
import java.util.Properties;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import com.mycorp.examples.timeservice.ITimeService;
public class Activator implements BundleActivator {
private ServiceRegistration<ITimeService> timeServiceRegistration;
public void start(BundleContext context) throws Exception {
// Create remote service properties
Dictionary<String, Object> props = createRemoteServiceProperties();
// Create MyTimeService impl and register/export as a remote service
// via the remote service properties
timeServiceRegistration = context.registerService(ITimeService.class,
new TimeServiceImpl(), props);
// Print out the service registration
System.out.println("TimeService host registered with registration="
+ timeServiceRegistration);
}
public void stop(BundleContext context) throws Exception {
if (timeServiceRegistration != null) {
timeServiceRegistration.unregister();
timeServiceRegistration = null;
}
}
private static final String SERVICE_EXPORTED_CONFIGS = "service.exported.configs";
private static final String DEFAULT_CONFIG = "ecf.generic.server";
private Dictionary<String, Object> createRemoteServiceProperties() {
Hashtable<String, Object> result = new Hashtable<String, Object>();
// This property is required by the Remote Services specification
// (chapter 100 in enterprise specification), and when set results
// in RSA impl exporting as a remote service
result.put("service.exported.interfaces", "*");
// async interfaces is an ECF Remote Services service property
// that allows any declared asynchronous interfaces
// to be used by consumers.
// See https://wiki.eclipse.org/ECF/Asynchronous_Remote_Services
result.put("ecf.exported.async.interfaces", "*");
// get system properties
Properties props = System.getProperties();
// Get OSGi service.exported.configs property
String config = props.getProperty(SERVICE_EXPORTED_CONFIGS);
if (config == null) {
config = DEFAULT_CONFIG;
result.put(DEFAULT_CONFIG + ".port", "3288");
result.put(DEFAULT_CONFIG + ".hostname", "localhost");
}
result.put(SERVICE_EXPORTED_CONFIGS, config);
// add any config properties. config properties start with
// the config name '.' property
for (Object k : props.keySet()) {
if (k instanceof String) {
String key = (String) k;
if (key.startsWith(config) || key.startsWith("osgi.basic") || key.startsWith("osgi.private")
|| key.startsWith("osgi.confidential") || key.startsWith("osgi.async")
|| key.startsWith("service."))
result.put(key, props.get(key));
}
}
return result;
}
}
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