/*
* 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.jobs;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.naming.ContextNotEmptyException;
import javax.naming.directory.SearchControls;
import org.apache.directory.shared.ldap.name.LdapDN;
import org.apache.directory.shared.ldap.name.Rdn;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.DnUtils;
import org.apache.directory.studio.connection.core.StudioProgressMonitor;
import org.apache.directory.studio.connection.core.Connection.ReferralHandlingMethod;
import org.apache.directory.studio.ldapbrowser.core.BrowserCoreMessages;
import org.apache.directory.studio.ldapbrowser.core.events.EntryRenamedEvent;
import org.apache.directory.studio.ldapbrowser.core.events.EventRegistry;
import org.apache.directory.studio.ldapbrowser.core.events.SearchUpdateEvent;
import org.apache.directory.studio.ldapbrowser.core.model.IBrowserConnection;
import org.apache.directory.studio.ldapbrowser.core.model.IEntry;
import org.apache.directory.studio.ldapbrowser.core.model.ISearch;
import org.apache.directory.studio.ldapbrowser.core.model.ISearchResult;
/**
* Job to rename an entry.
*
* First it tries to rename an entry using an modrdn operation. If
* that operation fails with an LDAP error 66 (ContextNotEmptyException)
* the use is asked if s/he wants to simulate such a rename by recursively
* searching/creating/deleting entries.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class RenameEntryJob extends AbstractNotificationJob
{
/** The browser connection. */
private IBrowserConnection browserConnection;
/** The old entry. */
private IEntry oldEntry;
/** The new RDN. */
private Rdn newRdn;
/** The new entry. */
private IEntry newEntry;
/** The updated searches. */
private Set<ISearch> searchesToUpdateSet = new HashSet<ISearch>();
/** The dialog to ask for simulated renaming */
private SimulateRenameDialog dialog;
/**
* Creates a new instance of RenameEntryJob.
*
* @param entry the entry to rename
* @param newRdn the new RDN
* @param dialog the dialog
*/
public RenameEntryJob( IEntry entry, Rdn newRdn, SimulateRenameDialog dialog )
{
this.browserConnection = entry.getBrowserConnection();
this.oldEntry = entry;
this.newEntry = null;
this.newRdn = newRdn;
this.dialog = dialog;
setName( BrowserCoreMessages.jobs__rename_entry_name );
}
/**
* @see org.apache.directory.studio.ldapbrowser.core.jobs.AbstractEclipseJob#getConnections()
*/
protected Connection[] getConnections()
{
return new Connection[]
{ browserConnection.getConnection() };
}
/**
* @see org.apache.directory.studio.ldapbrowser.core.jobs.AbstractEclipseJob#getLockedObjects()
*/
protected Object[] getLockedObjects()
{
List<Object> l = new ArrayList<Object>();
l.add( oldEntry.getParententry() );
return l.toArray();
}
/**
* @see org.apache.directory.studio.ldapbrowser.core.jobs.AbstractNotificationJob#executeNotificationJob(org.apache.directory.studio.connection.core.StudioProgressMonitor)
*/
protected void executeNotificationJob( StudioProgressMonitor monitor )
{
monitor.beginTask( BrowserCoreMessages.bind( BrowserCoreMessages.jobs__rename_entry_task, new String[]
{ oldEntry.getDn().getUpName() } ), 3 );
monitor.reportProgress( " " ); //$NON-NLS-1$
monitor.worked( 1 );
LdapDN oldDn = oldEntry.getDn();
LdapDN parentDn = DnUtils.getParent( oldDn );
LdapDN newDn = DnUtils.composeDn( newRdn, parentDn );
// use a dummy monitor to be able to handle exceptions
StudioProgressMonitor dummyMonitor = new StudioProgressMonitor( monitor );
// try to rename entry
renameEntry( browserConnection, oldEntry, newDn, dummyMonitor );
// do a simulated rename, if renaming of a non-leaf entry is not supported.
if ( dummyMonitor.errorsReported() )
{
if ( dialog != null && dummyMonitor.getException() instanceof ContextNotEmptyException )
{
// open dialog
dialog.setEntryInfo( browserConnection, oldDn, newDn );
dialog.open();
boolean isSimulatedRename = dialog.isSimulateRename();
if ( isSimulatedRename )
{
// do simulated rename operation
dummyMonitor.reset();
CopyEntriesJob.copyEntry( oldEntry, oldEntry.getParententry(), newRdn,
SearchControls.SUBTREE_SCOPE, 0, null, dummyMonitor, monitor );
if ( !dummyMonitor.errorsReported() )
{
dummyMonitor.reset();
DeleteEntriesJob.optimisticDeleteEntryRecursive( browserConnection, oldDn, 0, dummyMonitor,
monitor );
}
}
else
{
// no simulated rename operation
// report the exception to the real monitor
Throwable exception = dummyMonitor.getException();
monitor.reportError( exception );
}
}
else
{
// we have another exception
// report it to the real monitor
Throwable exception = dummyMonitor.getException();
monitor.reportError( exception );
}
}
// update model
if ( !monitor.errorsReported() )
{
// uncache old entry
browserConnection.uncacheEntryRecursive( oldEntry );
// remove old entry and add new entry to parent
IEntry parent = oldEntry.getParententry();
boolean hasMoreChildren = parent.hasMoreChildren();
parent.deleteChild( oldEntry );
newEntry = ReadEntryJob.getEntry( browserConnection, newDn, monitor );
parent.addChild( newEntry );
parent.setHasMoreChildren( hasMoreChildren );
// reset searches, if the renamed entry is a result of a search
ISearch[] searches = browserConnection.getSearchManager().getSearches();
for ( ISearch search : searches )
{
if ( search.getSearchResults() != null )
{
ISearchResult[] searchResults = search.getSearchResults();
for ( ISearchResult result : searchResults )
{
if ( oldEntry.equals( result.getEntry() ) )
{
search.setSearchResults( null );
searchesToUpdateSet.add( search );
break;
}
}
}
}
}
}
/**
* @see org.apache.directory.studio.ldapbrowser.core.jobs.AbstractNotificationJob#runNotification()
*/
protected void runNotification()
{
if ( oldEntry != null && newEntry != null )
{
EventRegistry.fireEntryUpdated( new EntryRenamedEvent( oldEntry, newEntry ), this );
for ( ISearch search : searchesToUpdateSet )
{
EventRegistry.fireSearchUpdated( new SearchUpdateEvent( search,
SearchUpdateEvent.EventDetail.SEARCH_PERFORMED ), this );
}
}
}
/**
* @see org.apache.directory.studio.ldapbrowser.core.jobs.AbstractEclipseJob#getErrorMessage()
*/
protected String getErrorMessage()
{
return BrowserCoreMessages.jobs__rename_entry_error;
}
/**
* Moves/Renames an entry.
*
* @param browserConnection the browser connection
* @param entry the entry to move/rename
* @param newDn the new DN
* @param monitor the progress monitor
*/
static void renameEntry( IBrowserConnection browserConnection, IEntry entry, LdapDN newDn,
StudioProgressMonitor monitor )
{
// DNs
String oldDnString = entry.getDn().getUpName();
String newDnString = newDn.getUpName();
// determine referrals handling method
ReferralHandlingMethod referralsHandlingMethod = entry.isReferral() ? ReferralHandlingMethod.MANAGE
: ReferralHandlingMethod.FOLLOW;
browserConnection.getConnection().getJNDIConnectionWrapper().renameEntry( oldDnString, newDnString, true,
referralsHandlingMethod, null, monitor, null );
}
}