/*
* 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.ldapbrowser.core;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.directory.shared.ldap.schema.parsers.AttributeTypeDescription;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.IConnectionListener;
import org.apache.directory.studio.connection.core.jobs.StudioProgressMonitor;
import org.apache.directory.studio.ldapbrowser.core.events.BrowserConnectionUpdateEvent;
import org.apache.directory.studio.ldapbrowser.core.events.EventRegistry;
import org.apache.directory.studio.ldapbrowser.core.jobs.InitializeAttributesRunnable;
import org.apache.directory.studio.ldapbrowser.core.jobs.ReloadSchemaRunnable;
import org.apache.directory.studio.ldapbrowser.core.model.IBrowserConnection;
import org.apache.directory.studio.ldapbrowser.core.model.IRootDSE;
import org.apache.directory.studio.ldapbrowser.core.model.schema.Schema;
import org.apache.directory.studio.ldapbrowser.core.model.schema.SchemaUtils;
/**
* The {@link BrowserConnectionListener} opens and closes the
* {@link IBrowserConnection} if the underlying {@link Connection}
* is opened and closed.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class BrowserConnectionListener implements IConnectionListener
{
/**
* This implementation opens the browser connection when the connection was opened.
*/
public void connectionOpened( Connection connection, StudioProgressMonitor monitor )
{
IBrowserConnection browserConnection = BrowserCorePlugin.getDefault().getConnectionManager()
.getBrowserConnection( connection );
if ( browserConnection != null )
{
try
{
EventRegistry.suspendEventFiringInCurrentThread();
openBrowserConnection( browserConnection, monitor );
setBinaryAttributes( browserConnection, monitor );
}
finally
{
EventRegistry.resumeEventFiringInCurrentThread();
BrowserConnectionUpdateEvent browserConnectionUpdateEvent = new BrowserConnectionUpdateEvent(
browserConnection, BrowserConnectionUpdateEvent.Detail.BROWSER_CONNECTION_OPENED );
EventRegistry.fireBrowserConnectionUpdated( browserConnectionUpdateEvent, this );
BrowserConnectionUpdateEvent schemaUpdateEvent = new BrowserConnectionUpdateEvent( browserConnection,
BrowserConnectionUpdateEvent.Detail.SCHEMA_UPDATED );
EventRegistry.fireBrowserConnectionUpdated( schemaUpdateEvent, this );
}
}
}
/**
* This implementation closes the browser connection when the connection was closed.
*/
public void connectionClosed( Connection connection, StudioProgressMonitor monitor )
{
IBrowserConnection browserConnection = BrowserCorePlugin.getDefault().getConnectionManager()
.getBrowserConnection( connection );
if ( browserConnection != null )
{
try
{
EventRegistry.suspendEventFiringInCurrentThread();
browserConnection.clearCaches();
}
finally
{
EventRegistry.resumeEventFiringInCurrentThread();
BrowserConnectionUpdateEvent browserConnectionUpdateEvent = new BrowserConnectionUpdateEvent(
browserConnection, BrowserConnectionUpdateEvent.Detail.BROWSER_CONNECTION_CLOSED );
EventRegistry.fireBrowserConnectionUpdated( browserConnectionUpdateEvent, this );
}
}
}
/**
* Opens the browser connection.
*
* @param browserConnection the browser connection
* @param monitor the progress monitor
*/
private static void openBrowserConnection( IBrowserConnection browserConnection, StudioProgressMonitor monitor )
{
ReloadSchemaRunnable.reloadSchema( false, browserConnection, monitor );
IRootDSE rootDSE = browserConnection.getRootDSE();
InitializeAttributesRunnable.initializeAttributes( rootDSE, monitor );
}
/**
* Extracts the binary attributes from the schema and
* sets the binary attributes to the underlying connection.
*
* @param browserConnection the browser connection
* @param monitor the progress monitor
*/
private static void setBinaryAttributes( IBrowserConnection browserConnection, StudioProgressMonitor monitor )
{
List<String> binaryAttributeNames = new ArrayList<String>();
Schema schema = browserConnection.getSchema();
Collection<AttributeTypeDescription> attributeTypeDescriptions = schema.getAttributeTypeDescriptions();
for ( AttributeTypeDescription atd : attributeTypeDescriptions )
{
if ( SchemaUtils.isBinary( atd, schema ) )
{
String name = atd.getNames().isEmpty() ? atd.getNumericOid() : atd.getNames().get( 0 );
binaryAttributeNames.add( name );
}
}
if ( browserConnection.getConnection() != null )
{
browserConnection.getConnection().getJNDIConnectionWrapper().setBinaryAttributes( binaryAttributeNames );
}
}
}