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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.jini.service.core;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.rmi.RemoteException;
import java.util.ArrayList;
import java.util.Dictionary;
import java.util.List;
import net.jini.core.entry.Entry;
import net.jini.core.lookup.ServiceID;
import net.jini.id.Uuid;
import net.jini.id.UuidFactory;
import net.jini.lookup.entry.Comment;
import net.jini.lookup.entry.Name;
import net.jini.lookup.entry.ServiceInfo;
import org.eclipse.osee.framework.jini.discovery.RelaxedSecurity;
import org.eclipse.osee.framework.jini.service.interfaces.IService;
import org.eclipse.osee.framework.plugin.core.config.JiniLookupGroupConfig;
import org.eclipse.osee.framework.plugin.core.server.ClassServer;
import org.eclipse.osee.framework.plugin.core.server.PathResourceFinder;
public abstract class JiniService implements IService {
protected JiniJoinManager joinManager;
protected Object keepAlive;
protected ClassServer messageClassServer;
protected String codeBase;
protected String hostName;
private final ServiceID serviceID;
/**
* Creates a Service with the serviceID specified. Note, this does not register the service.
*
* @param serviceID the serviceID to assign to the service.
*/
public JiniService(ServiceID serviceID) {
this.serviceID = serviceID;
}
/**
* Creates a Service with the serviceID specified. Note, this does not register the service.
*
* @param uuid The unique identifier used for the serviceID.
*/
public JiniService(Uuid uuid) {
Long lsb = new Long(uuid.getLeastSignificantBits());
Long msb = new Long(uuid.getMostSignificantBits());
serviceID = new ServiceID(msb.longValue(), lsb.longValue());
}
/**
* Creates a Service. The serviceID will be generated automatically. Note, this does not register the service.
*/
public JiniService() {
this(UuidFactory.generate());
}
public void stayAlive() {
keepAlive = new Object();
synchronized (keepAlive) {
try {
keepAlive.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public void commitSuicide() {
if (keepAlive != null) {
synchronized (keepAlive) {
keepAlive.notify();
}
}
}
public Entry[] registerService(Entry[] entry) {
return registerService(entry, null);
}
public Entry[] registerService(Entry[] entry, Dictionary dictionary) {
try {
System.setSecurityManager(new RelaxedSecurity());
// find ServiceInfo
List<Entry> entries = new ArrayList<Entry>();
entries.add(new OwnerEntry());
GroupEntry group = null;
if (dictionary != null) {
ServiceInfo info = null;
Name name = null;
Comment comment = null;
VersionEntry version = null;
if (entry != null) {
for (int i = 0; i < entry.length; i++) {
if (entry[i] instanceof ServiceInfo) {
info = (ServiceInfo) entry[i];
}
if (entry[i] instanceof Name) {
name = (Name) entry[i];
}
if (entry[i] instanceof Comment) {
comment = (Comment) entry[i];
}
if (entry[i] instanceof VersionEntry) {
version = (VersionEntry) entry[i];
}
if (entry[i] instanceof GroupEntry) {
group = (GroupEntry) entry[i];
}
entries.add(entry[i]);
}
}
if (info == null) {
info = new ServiceInfo();
entries.add(info);
}
if (name == null) {
name = new Name();
entries.add(name);
}
if (comment == null) {
comment = new Comment();
entries.add(comment);
}
if (version == null) {
version = new VersionEntry();
entries.add(version);
}
Object obj = null;
obj = dictionary.get("Bundle-Name");
if (obj != null) {
info.name = obj.toString();
}
obj = dictionary.get("Bundle-Vendor");
if (obj != null) {
info.vendor = obj.toString();
}
obj = dictionary.get("Bundle-Description");
if (obj != null) {
comment.comment = obj.toString();
}
info.version = dictionary.get("Bundle-Version").toString();
info.serialNumber = info.version;
version.version = info.version;
name.name = dictionary.get("Bundle-Name").toString();
} else {
if (entry != null) {
for (int i = 0; i < entry.length; i++) {
entries.add(entry[i]);
}
}
}
if (group == null) {
group = new GroupEntry();
entries.add(group);
}
group.group = JiniLookupGroupConfig.getOseeJiniServiceGroups();
entry = new Entry[entries.size()];
for (int i = 0; i < entries.size(); i++) {
entry[i] = entries.get(i);
}
joinManager = new JiniJoinManager(serviceID, this, entry);
joinManager.addGroup(group.group);
Runtime.getRuntime().addShutdownHook(new KillService(joinManager));
} catch (UnknownHostException ex) {
ex.printStackTrace();
System.exit(1);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(1);
}
return entry;
}
protected void startClassServer(String[] jarsToServe) throws Exception {
messageClassServer = new ClassServer(0, InetAddress.getLocalHost());
PathResourceFinder resource = new PathResourceFinder(jarsToServe, true);
messageClassServer.addResourceFinder(resource);
messageClassServer.start();
codeBase =
"http://" + InetAddress.getLocalHost().getCanonicalHostName() + ":" + messageClassServer.getPort() + "/";
hostName = InetAddress.getLocalHost().getHostAddress();
System.setProperty("java.rmi.server.hostname", hostName);
System.setProperty("java.rmi.server.codebase", codeBase);
}
public void deregisterService() {
try {
if (joinManager != null) {
joinManager.terminate();
joinManager = null;
} else {
System.out.println("service already removed JiniService.deregister");
}
} catch (RemoteException ex) {
ex.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void cleanup() {
if (messageClassServer != null) {
messageClassServer.terminate();
}
}
@Override
public ServiceID getServiceID() {
return serviceID;
}
@Override
public boolean equals(Object object) {
if (object instanceof JiniService) {
return ((JiniService) object).serviceID.equals(this.serviceID);
}
return false;
}
@Override
public int hashCode() {
return serviceID.hashCode();
}
public JiniJoinManager getJoinManager() {
return joinManager;
}
}
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