/*
* Copyright (c) 2003-2004, KNOPFLERFISH project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* - Neither the name of the KNOPFLERFISH project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.knopflerfish.bundle.jini;
import net.jini.core.lookup.ServiceRegistrar;
import net.jini.core.lookup.ServiceTemplate;
import net.jini.discovery.LookupDiscovery;
import net.jini.lookup.LookupCache;
import net.jini.lookup.ServiceDiscoveryManager;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.cm.ManagedService;
import org.osgi.service.jini.JiniDriver;
import java.io.IOException;
import java.util.Dictionary;
/**
* DOCUMENT ME!
*
* @author Nico Goeminne
*/
public class JiniServiceFactory implements org.osgi.framework.ServiceFactory,
org.osgi.service.cm.ManagedService {
static ServiceDiscoveryManager serviceDiscoveryManager = null;
LookupDiscovery lookupDiscovery = null;
String[] lusImportGroups = LookupDiscovery.ALL_GROUPS;
/**
* Creates a new JiniServiceFactory object.
*
* @throws Exception DOCUMENT ME!
*/
public JiniServiceFactory() throws Exception {
// Needed to spawn in order to find the right classes.
Thread curThread = Thread.currentThread();
ClassLoader oldClassLoader = curThread.getContextClassLoader();
curThread.setContextClassLoader(Activator.class.getClassLoader());
lookupDiscovery = new LookupDiscovery(getLusImportGroups());
serviceDiscoveryManager = new ServiceDiscoveryManager(lookupDiscovery,
null);
ServiceTemplate registrarTemplate = new ServiceTemplate(null,
new Class[] { ServiceRegistrar.class }, null);
LookupCache registrarCache = serviceDiscoveryManager.createLookupCache(registrarTemplate,
null, new Listener(ServiceRegistrar.class));
curThread.setContextClassLoader(oldClassLoader);
oldClassLoader = null;
curThread = null;
}
/**
* DOCUMENT ME!
*
* @param bundle DOCUMENT ME!
* @param registration DOCUMENT ME!
*
* @return DOCUMENT ME!
*/
public Object getService(Bundle bundle, ServiceRegistration registration) {
JiniDriverImpl jiniDriverImpl = new JiniDriverImpl();
Debug.printDebugInfo(10,
"JiniDriver Requested by " + bundle.getBundleId());
return jiniDriverImpl;
}
/**
* DOCUMENT ME!
*
* @param bundle DOCUMENT ME!
* @param registration DOCUMENT ME!
* @param service DOCUMENT ME!
*/
public void ungetService(Bundle bundle, ServiceRegistration registration,
Object service) {
Debug.printDebugInfo(10,
"JiniDriver Released by " + bundle.getBundleId());
JiniDriverImpl jiniDriverImpl = (JiniDriverImpl) service;
jiniDriverImpl.ungetServices();
}
/**
* DOCUMENT ME!
*/
public void terminate() {
serviceDiscoveryManager.terminate();
lookupDiscovery.terminate();
}
// When CM config changes
public void updated(Dictionary props) {
String[] exportGroups = (String[]) props.get(JiniDriver.CM_LUS_EXPORT_GROUPS);
Osgi2Jini.setCMLusExportGroups(exportGroups);
String[] importGroups = (String[]) props.get(JiniDriver.CM_LUS_IMPORT_GROUPS);
importGroups = (importGroups != null) ? importGroups
: LookupDiscovery.ALL_GROUPS;
setLusImportGroups(importGroups);
}
/**
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*/
public String[] getLusImportGroups() {
return lusImportGroups;
}
/**
* DOCUMENT ME!
*
* @param lusImportGroups DOCUMENT ME!
*/
public void setLusImportGroups(String[] lusImportGroups) {
this.lusImportGroups = lusImportGroups;
try {
lookupDiscovery.setGroups(lusImportGroups);
} catch (IOException ex) {
}
}
}