/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with 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.directory.studio.connection.ui;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.directory.shared.ldap.util.LdapURL;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.ConnectionCorePlugin;
import org.apache.directory.studio.connection.core.IReferralHandler;
import org.apache.directory.studio.connection.core.Utils;
import org.apache.directory.studio.connection.core.event.ConnectionEventRegistry;
import org.apache.directory.studio.connection.core.event.ConnectionUpdateAdapter;
import org.apache.directory.studio.connection.ui.dialogs.SelectReferralConnectionDialog;
import org.eclipse.ui.PlatformUI;
/**
* Default implementation of {@link IReferralHandler}.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class ConnectionUIReferralHandler extends ConnectionUpdateAdapter implements IReferralHandler
{
/** The referral URL to referral connection cache. */
private Map<String, Connection> referralUrlToReferralConnectionCache = new HashMap<String, Connection>();
public ConnectionUIReferralHandler()
{
ConnectionEventRegistry.addConnectionUpdateListener( this, ConnectionCorePlugin.getDefault().getEventRunner() );
}
@Override
public void connectionClosed( Connection connection )
{
referralUrlToReferralConnectionCache.clear();
}
/**
* {@inheritDoc}
*/
public Connection getReferralConnection( final List<LdapURL> referralUrls )
{
// check cache
for ( LdapURL url : referralUrls )
{
String normalizedUrl = Utils.getSimpleNormalizedUrl( url );
if ( referralUrlToReferralConnectionCache.containsKey( normalizedUrl ) )
{
// check if referral connection exists in connection manager
Connection referralConnection = referralUrlToReferralConnectionCache.get( normalizedUrl );
Connection[] connections = ConnectionCorePlugin.getDefault().getConnectionManager().getConnections();
for ( int i = 0; i < connections.length; i++ )
{
Connection connection = connections[i];
if ( referralConnection == connection )
{
return referralConnection;
}
}
// referral connection doesn't exist in connection manager, remove it from cache
referralUrlToReferralConnectionCache.remove( normalizedUrl );
}
}
// open dialog
final Connection[] referralConnections = new Connection[1];
PlatformUI.getWorkbench().getDisplay().syncExec( new Runnable()
{
public void run()
{
SelectReferralConnectionDialog dialog = new SelectReferralConnectionDialog( PlatformUI.getWorkbench()
.getDisplay().getActiveShell(), referralUrls );
if ( dialog.open() == SelectReferralConnectionDialog.OK )
{
Connection connection = dialog.getReferralConnection();
referralConnections[0] = connection;
}
}
} );
// put to cache
if ( referralConnections[0] != null )
{
for ( LdapURL url : referralUrls )
{
String normalizedUrl = Utils.getSimpleNormalizedUrl( url );
referralUrlToReferralConnectionCache.put( normalizedUrl, referralConnections[0] );
}
}
return referralConnections[0];
}
}