| /* |
| * 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.server.ldap.handlers; |
| |
| |
| import org.apache.directory.server.core.CoreSession; |
| import org.apache.directory.server.ldap.LdapSession; |
| import org.apache.directory.shared.ldap.model.message.LdapResult; |
| import org.apache.directory.shared.ldap.model.message.ModifyDnRequest; |
| import org.apache.directory.shared.ldap.model.message.ResultCodeEnum; |
| import org.apache.directory.shared.ldap.model.name.Dn; |
| import org.apache.directory.shared.ldap.model.schema.SchemaManager; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * A single reply handler for {@link org.apache.directory.shared.ldap.model.message.ModifyDnRequest}s. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class ModifyDnHandler extends LdapRequestHandler<ModifyDnRequest> |
| { |
| private static final Logger LOG = LoggerFactory.getLogger( ModifyDnHandler.class ); |
| |
| |
| /** |
| * Deal with a ModifyDN request received from a client. |
| * |
| * A ModifyDN operation has more than one semantic, depending on its parameters. |
| * |
| * In any case, the first argument is the Dn entry to be changed. We then |
| * have the new relative Dn for this entry. |
| * |
| * Two other arguments can be provided : |
| * - deleteOldRdn : if the old Rdn attributes should be removed from the |
| * new entry or not (for instance, if the old Rdn was cn=acme, and the new |
| * one is sn=acme, then we may have to remove the cn: acme from the attributes |
| * list) |
| * - newSuperior : this is a move operation. The entry is removed from its |
| * current location, and created in the new one. |
| */ |
| public void handle( LdapSession session, ModifyDnRequest req ) |
| { |
| LdapResult result = req.getResultResponse().getLdapResult(); |
| LOG.debug( "Handling modify dn request while ignoring referrals: {}", req ); |
| |
| if ( req.getName().isEmpty() ) |
| { |
| // it is not allowed to modify the name of the Root DSE |
| String msg = "Modify Dn is not allowed on Root DSE."; |
| result.setResultCode( ResultCodeEnum.PROTOCOL_ERROR ); |
| result.setErrorMessage( msg ); |
| session.getIoSession().write( req.getResultResponse() ); |
| return; |
| } |
| |
| try |
| { |
| SchemaManager schemaManager = session.getCoreSession().getDirectoryService().getSchemaManager(); |
| Dn newRdn = new Dn( req.getNewRdn().getName(), schemaManager ); |
| |
| Dn oldRdn = new Dn( req.getName().getRdn().getName(), schemaManager ); |
| |
| boolean rdnChanged = req.getNewRdn() != null && |
| ! newRdn.getNormName().equals( oldRdn.getNormName() ); |
| |
| CoreSession coreSession = session.getCoreSession(); |
| |
| if ( rdnChanged ) |
| { |
| if ( req.getNewSuperior() != null ) |
| { |
| coreSession.moveAndRename( req ); |
| } |
| else |
| { |
| coreSession.rename( req ); |
| } |
| } |
| else if ( req.getNewSuperior() != null ) |
| { |
| req.setNewRdn( null ); |
| coreSession.move( req ); |
| } |
| else |
| { |
| result.setErrorMessage( "Attempt to move entry onto itself." ); |
| result.setResultCode( ResultCodeEnum.ENTRY_ALREADY_EXISTS ); |
| result.setMatchedDn( req.getName() ); |
| session.getIoSession().write( req.getResultResponse() ); |
| return; |
| } |
| |
| result.setResultCode( ResultCodeEnum.SUCCESS ); |
| session.getIoSession().write( req.getResultResponse() ); |
| } |
| catch ( Exception e ) |
| { |
| handleException( session, req, e ); |
| } |
| } |
| } |