/*
* 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.Arrays;
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.api.ldap.model.exception.LdapInvalidDnException;
import org.apache.directory.api.ldap.model.name.Dn;
import org.apache.directory.studio.common.core.jobs.StudioProgressMonitor;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.StudioControl;
import org.apache.directory.studio.connection.core.jobs.StudioConnectionBulkRunnableWithProgress;
import org.apache.directory.studio.ldapbrowser.core.BrowserCoreMessages;
import org.apache.directory.studio.ldapbrowser.core.events.BulkModificationEvent;
import org.apache.directory.studio.ldapbrowser.core.events.EntryMovedEvent;
import org.apache.directory.studio.ldapbrowser.core.events.EventRegistry;
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;
/**
* Runnable to move entries.
*
* First it tries to move an entry using an moddn operation. If
* that operation fails with an LDAP error 66 (ContextNotEmptyException)
* the use is asked if s/he wants to simulate such a move by recursively
* searching/creating/deleting entries.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class MoveEntriesRunnable implements StudioConnectionBulkRunnableWithProgress
{
/** The browser connection. */
private IBrowserConnection browserConnection;
/** The entries to move. */
private IEntry[] oldEntries;
/** The new parent. */
private IEntry newParent;
/** The moved entries. */
private IEntry[] newEntries;
/** The searches to update. */
private Set<ISearch> searchesToUpdateSet = new HashSet<ISearch>();
/** The dialog to ask for simulated renaming */
private SimulateRenameDialog dialog;
/**
* Creates a new instance of MoveEntriesRunnable.
*
* @param entries the entries to move
* @param newParent the new parent
* @param dialog the dialog
*/
public MoveEntriesRunnable( IEntry[] entries, IEntry newParent, SimulateRenameDialog dialog )
{
this.browserConnection = newParent.getBrowserConnection();
this.oldEntries = entries;
this.newParent = newParent;
this.dialog = dialog;
this.newEntries = new IEntry[oldEntries.length];
}
/**
* {@inheritDoc}
*/
public Connection[] getConnections()
{
return new Connection[]
{ browserConnection.getConnection() };
}
/**
* {@inheritDoc}
*/
public String getName()
{
return oldEntries.length == 1 ? BrowserCoreMessages.jobs__move_entry_name_1
: BrowserCoreMessages.jobs__move_entry_name_n;
}
/**
* {@inheritDoc}
*/
public Object[] getLockedObjects()
{
List<IEntry> l = new ArrayList<IEntry>();
l.add( newParent );
l.addAll( Arrays.asList( oldEntries ) );
return l.toArray();
}
/**
* {@inheritDoc}
*/
public String getErrorMessage()
{
return oldEntries.length == 1 ? BrowserCoreMessages.jobs__move_entry_error_1
: BrowserCoreMessages.jobs__move_entry_error_n;
}
/**
* {@inheritDoc}
*/
public void run( StudioProgressMonitor monitor )
{
monitor.beginTask( BrowserCoreMessages.bind(
oldEntries.length == 1 ? BrowserCoreMessages.jobs__move_entry_task_1
: BrowserCoreMessages.jobs__move_entry_task_n, new String[]
{} ), 3 );
monitor.reportProgress( " " ); //$NON-NLS-1$
monitor.worked( 1 );
// use a dummy monitor to be able to handle exceptions
StudioProgressMonitor dummyMonitor = new StudioProgressMonitor( monitor );
int numAdd = 0;
int numDel = 0;
boolean isSimulatedRename = false;
Dn parentDn = newParent.getDn();
for ( int i = 0; i < oldEntries.length; i++ )
{
dummyMonitor.reset();
IEntry oldEntry = oldEntries[i];
Dn oldDn = oldEntry.getDn();
Dn newDn = null;
try
{
newDn = parentDn.add( oldDn.getRdn() );
}
catch ( LdapInvalidDnException lide )
{
newDn = Dn.EMPTY_DN;
}
// try to move entry
RenameEntryRunnable.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
if ( numAdd == 0 )
{
dialog.setEntryInfo( browserConnection, oldDn, newDn );
dialog.open();
isSimulatedRename = dialog.isSimulateRename();
}
if ( isSimulatedRename )
{
// do simulated rename operation
dummyMonitor.reset();
numAdd = CopyEntriesRunnable.copyEntry( oldEntry, newParent, null,
SearchControls.SUBTREE_SCOPE,
numAdd, null, dummyMonitor, monitor );
if ( !dummyMonitor.errorsReported() )
{
dummyMonitor.reset();
numDel = DeleteEntriesRunnable.optimisticDeleteEntryRecursive( browserConnection, oldDn,
oldEntry.isReferral(), false, numDel, dummyMonitor, monitor );
}
}
else
{
// no simulated rename operation
// report the exception to the real monitor
Exception exception = dummyMonitor.getException();
monitor.reportError( exception );
}
}
else
{
// we have another exception
// report it to the real monitor
Exception exception = dummyMonitor.getException();
monitor.reportError( exception );
}
}
// update model
if ( !dummyMonitor.errorsReported() )
{
// uncache old entry
browserConnection.uncacheEntryRecursive( oldEntry );
// remove old entry from old parent
oldEntry.getParententry().deleteChild( oldEntry );
// add new entry to new parent
boolean hasMoreChildren = newParent.hasMoreChildren() || !newParent.isChildrenInitialized();
List<StudioControl> controls = new ArrayList<StudioControl>();
if ( oldEntry.isReferral() )
{
controls.add( StudioControl.MANAGEDSAIT_CONTROL );
}
IEntry newEntry = ReadEntryRunnable.getEntry( browserConnection, newDn, controls, monitor );
newEntries[i] = newEntry;
newParent.addChild( newEntry );
newParent.setHasMoreChildren( hasMoreChildren );
// reset searches, if the moved entry is a result of a search
List<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;
}
}
}
}
}
}
}
/**
* {@inheritDoc}
*/
public void runNotification( StudioProgressMonitor monitor )
{
// notify the entries and their parents
if ( newEntries.length < 2 )
{
// notify fore each moved entry
for ( int i = 0; i < newEntries.length; i++ )
{
if ( oldEntries[i] != null && newEntries[i] != null )
{
EventRegistry.fireEntryUpdated( new EntryMovedEvent( oldEntries[i], newEntries[i] ), this );
}
}
}
else
{
// reset the old and new parents and send only a bulk update event
// notifying for each moved entry would cause lot of UI updates...
for ( IEntry oldEntry : oldEntries )
{
oldEntry.getParententry().setChildrenInitialized( false );
}
newParent.setChildrenInitialized( false );
EventRegistry.fireEntryUpdated( new BulkModificationEvent( browserConnection ), this );
}
}
}