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package org.eclipse.net4j.buddies.internal.ui;
import org.eclipse.net4j.IConnector;
import org.eclipse.net4j.Net4jUtil;
import org.eclipse.net4j.buddies.BuddiesUtil;
import org.eclipse.net4j.buddies.IBuddySession;
import org.eclipse.net4j.buddies.internal.ui.bundle.OM;
import org.eclipse.net4j.buddies.protocol.IBuddy;
import org.eclipse.net4j.buddies.ui.IBuddiesManager;
import org.eclipse.net4j.buddies.ui.IBuddiesManagerStateChangedEvent;
import org.eclipse.net4j.internal.buddies.Self;
import org.eclipse.net4j.internal.util.event.Event;
import org.eclipse.net4j.internal.util.lifecycle.Lifecycle;
import org.eclipse.net4j.util.concurrent.ConcurrencyUtil;
import org.eclipse.net4j.util.container.IContainerDelta;
import org.eclipse.net4j.util.container.IContainerEvent;
import org.eclipse.net4j.util.container.IPluginContainer;
import org.eclipse.net4j.util.event.IEvent;
import org.eclipse.net4j.util.event.IListener;
import org.eclipse.net4j.util.lifecycle.ILifecycleEvent;
import org.eclipse.net4j.util.lifecycle.LifecycleUtil;
public class BuddiesManager extends Lifecycle implements IBuddiesManager, IListener
{
public static final BuddiesManager INSTANCE = new BuddiesManager();
private IBuddySession session;
private State state;
private boolean flashing;
private BuddiesManager()
{
}
public IBuddySession getSession()
{
return session;
}
public State getState()
{
return state;
}
public void setState(State state)
{
if (this.state != state)
{
IEvent event = new StateChangedEvent(this.state, state, session);
this.state = state;
fireEvent(event);
}
}
public boolean isConnecting()
{
return state == IBuddiesManager.State.CONNECTING;
}
public String getConnectorDescription()
{
return OM.PREF_CONNECTOR_DESCRIPTION.getValue();
}
public String getUserID()
{
return OM.PREF_USER_ID.getValue();
}
public String getPassword()
{
return OM.PREF_PASSWORD.getValue();
}
public Boolean isAutoConnect()
{
return OM.PREF_AUTO_CONNECT.getValue();
}
public void connect()
{
new Thread("buddies-connector")
{
@Override
public void run()
{
try
{
setState(IBuddiesManager.State.CONNECTING);
while (session == null && isConnecting())
{
IConnector connector = Net4jUtil.getConnector(IPluginContainer.INSTANCE, getConnectorDescription());
if (connector == null)
{
throw new IllegalStateException("connector == null");
}
boolean connected = connector.waitForConnection(5000L);
if (connected)
{
session = BuddiesUtil.openSession(connector, getUserID(), getPassword(), 5000L);
if (session != null)
{
if (isConnecting())
{
session.addListener(BuddiesManager.this);
setState(IBuddiesManager.State.CONNECTED);
}
else
{
session.close();
session = null;
setState(IBuddiesManager.State.DISCONNECTED);
}
}
}
else
{
LifecycleUtil.deactivate(connector);
}
}
}
finally
{
setState(IBuddiesManager.State.DISCONNECTED);
}
}
}.start();
}
public void disconnect()
{
if (session != null)
{
session.removeListener(this);
session.close();
session = null;
}
setState(IBuddiesManager.State.DISCONNECTED);
}
public void flashMe()
{
if (session != null && !flashing)
{
final Self self = (Self)session.getSelf();
final IBuddy.State original = self.getState();
new Thread("buddies-flasher")
{
@Override
public void run()
{
flashing = true;
IBuddy.State state = original == IBuddy.State.AVAILABLE ? IBuddy.State.LONESOME : IBuddy.State.AVAILABLE;
for (int i = 0; i < 15; i++)
{
self.setState(state);
ConcurrencyUtil.sleep(200);
state = state == IBuddy.State.AVAILABLE ? IBuddy.State.LONESOME : IBuddy.State.AVAILABLE;
}
self.setState(original);
flashing = false;
}
}.start();
}
}
public void notifyEvent(IEvent event)
{
if (event.getSource() == session)
{
if (event instanceof ILifecycleEvent)
{
if (((ILifecycleEvent)event).getKind() == ILifecycleEvent.Kind.DEACTIVATED)
{
disconnect();
if (isAutoConnect())
{
connect();
}
}
}
else if (event instanceof IContainerEvent)
{
IContainerEvent<IBuddy> e = (IContainerEvent<IBuddy>)event;
if (e.getDeltaKind() == IContainerDelta.Kind.ADDED)
{
e.getDeltaElement().addListener(this);
}
else if (e.getDeltaKind() == IContainerDelta.Kind.REMOVED)
{
e.getDeltaElement().removeListener(this);
}
}
}
}
@Override
protected void doActivate() throws Exception
{
super.doActivate();
if (isAutoConnect())
{
connect();
}
}
@Override
protected void doDeactivate() throws Exception
{
disconnect();
super.doDeactivate();
}
/**
* @author Eike Stepper
*/
private final class StateChangedEvent extends Event implements IBuddiesManagerStateChangedEvent
{
private static final long serialVersionUID = 1L;
private State oldState;
private State newState;
private IBuddySession session;
public StateChangedEvent(State oldState, State newState, IBuddySession session)
{
super(BuddiesManager.this);
this.oldState = oldState;
this.newState = newState;
this.session = session;
}
public State getOldState()
{
return oldState;
}
public State getNewState()
{
return newState;
}
public IBuddySession getSession()
{
return session;
}
}
}
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