/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2009 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.protocol;
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import static org.opends.server.replication.protocol.OperationContext.*;
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import java.io.UnsupportedEncodingException;
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import java.util.List;
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import java.util.zip.DataFormatException;
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import org.opends.server.core.ModifyDNOperationBasis;
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import org.opends.server.protocols.asn1.ASN1;
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import org.opends.server.protocols.asn1.ASN1Exception;
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import org.opends.server.protocols.asn1.ASN1Reader;
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import org.opends.server.protocols.internal.InternalClientConnection;
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import org.opends.server.protocols.ldap.LDAPModification;
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import org.opends.server.replication.common.ChangeNumber;
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import org.opends.server.types.AbstractOperation;
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import org.opends.server.types.ByteString;
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import org.opends.server.types.DN;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.LDAPException;
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import org.opends.server.types.Modification;
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import org.opends.server.types.RDN;
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import org.opends.server.types.operation.PostOperationModifyDNOperation;
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/**
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* Message used to send Modify DN information.
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*/
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public class ModifyDNMsg extends ModifyCommonMsg
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{
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private String newRDN;
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private String newSuperior;
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private boolean deleteOldRdn;
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private String newSuperiorId;
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/**
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* construct a new Modify DN message.
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*
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* @param operation The operation to use for building the message
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*/
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public ModifyDNMsg(PostOperationModifyDNOperation operation)
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{
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super((OperationContext) operation.getAttachment(SYNCHROCONTEXT),
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operation.getRawEntryDN().toString());
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encodedMods = modsToByte(operation.getModifications());
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ModifyDnContext ctx =
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(ModifyDnContext) operation.getAttachment(SYNCHROCONTEXT);
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newSuperiorId = ctx.getNewParentId();
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deleteOldRdn = operation.deleteOldRDN();
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if (operation.getRawNewSuperior() != null)
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newSuperior = operation.getRawNewSuperior().toString();
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else
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newSuperior = null;
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newRDN = operation.getRawNewRDN().toString();
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}
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/**
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* Construct a new Modify DN message (no mods).
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* Note: Keep this constructor version to support already written tests, not
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* using mods.
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*
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* @param dn The dn to use for building the message.
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* @param changeNumber The changeNumberto use for building the message.
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* @param uid The unique id to use for building the message.
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* @param newParentUid The new parent unique id to use for building
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* the message.
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* @param deleteOldRdn boolean indicating if old rdn must be deleted to use
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* for building the message.
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* @param newSuperior The new Superior entry to use for building the message.
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* @param newRDN The new Rdn to use for building the message.
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*/
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public ModifyDNMsg(String dn, ChangeNumber changeNumber, String uid,
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String newParentUid, boolean deleteOldRdn,
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String newSuperior, String newRDN)
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{
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super(new ModifyDnContext(changeNumber, uid, newParentUid), dn);
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newSuperiorId = newParentUid;
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this.deleteOldRdn = deleteOldRdn;
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this.newSuperior = newSuperior;
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this.newRDN = newRDN;
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}
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/**
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* Construct a new Modify DN message (with mods).
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*
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* @param dn The dn to use for building the message.
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* @param changeNumber The changeNumberto use for building the message.
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* @param uid The unique id to use for building the message.
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* @param newParentUid The new parent unique id to use for building
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* the message.
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* @param deleteOldRdn boolean indicating if old rdn must be deleted to use
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* for building the message.
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* @param newSuperior The new Superior entry to use for building the message.
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* @param newRDN The new Rdn to use for building the message.
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* @param mods The mod of the operation.
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*/
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public ModifyDNMsg(String dn, ChangeNumber changeNumber, String uid,
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String newParentUid, boolean deleteOldRdn,
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String newSuperior, String newRDN, List<Modification> mods)
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{
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this(dn, changeNumber, uid, newParentUid, deleteOldRdn, newSuperior,
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newRDN);
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this.encodedMods = modsToByte(mods);
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}
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/**
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* Creates a new ModifyDN message from a byte[].
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*
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* @param in The byte[] from which the operation must be read.
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* @throws DataFormatException The input byte[] is not a valid ModifyDNMsg.
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* @throws UnsupportedEncodingException If UTF8 is not supported.
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*/
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public ModifyDNMsg(byte[] in) throws DataFormatException,
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UnsupportedEncodingException
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{
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byte[] allowedPduTypes = new byte[2];
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allowedPduTypes[0] = MSG_TYPE_MODIFYDN;
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allowedPduTypes[1] = MSG_TYPE_MODIFYDN_V1;
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int pos = decodeHeader(allowedPduTypes, in);
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/* read the newRDN
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* first calculate the length then construct the string
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*/
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int length = getNextLength(in, pos);
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newRDN = new String(in, pos, length, "UTF-8");
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pos += length + 1;
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/* read the newSuperior
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* first calculate the length then construct the string
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*/
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length = getNextLength(in, pos);
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if (length != 0)
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newSuperior = new String(in, pos, length, "UTF-8");
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else
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newSuperior = null;
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pos += length + 1;
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/* read the new parent Id
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*/
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length = getNextLength(in, pos);
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if (length != 0)
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newSuperiorId = new String(in, pos, length, "UTF-8");
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else
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newSuperiorId = null;
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pos += length + 1;
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/* get the deleteoldrdn flag */
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if (in[pos] == 0)
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deleteOldRdn = false;
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else
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deleteOldRdn = true;
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pos++;
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// For easiness (no additional method), simply compare PDU type to
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// know if we have to read the mods of V2
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if (in[0] == MSG_TYPE_MODIFYDN)
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{
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/* Read the mods : all the remaining bytes but the terminating 0 */
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length = in.length - pos - 1;
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if (length > 0) // Otherwise, there is only the trailing 0 byte which we
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// do not need to read
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{
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encodedMods = new byte[length];
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try
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{
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System.arraycopy(in, pos, encodedMods, 0, length);
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} catch (IndexOutOfBoundsException e)
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{
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throw new DataFormatException(e.getMessage());
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} catch (ArrayStoreException e)
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{
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throw new DataFormatException(e.getMessage());
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} catch (NullPointerException e)
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{
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throw new DataFormatException(e.getMessage());
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}
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}
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public AbstractOperation createOperation(
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InternalClientConnection connection, String newDn)
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throws LDAPException, ASN1Exception
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{
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ModifyDNOperationBasis moddn = new ModifyDNOperationBasis(connection,
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InternalClientConnection.nextOperationID(),
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InternalClientConnection.nextMessageID(), null,
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ByteString.valueOf(newDn), ByteString.valueOf(newRDN),
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deleteOldRdn,
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(newSuperior == null ? null : ByteString.valueOf(newSuperior)));
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ASN1Reader asn1Reader = ASN1.getReader(encodedMods);
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while (asn1Reader.hasNextElement())
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{
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moddn.addModification(LDAPModification.decode(asn1Reader)
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.toModification());
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}
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ModifyDnContext ctx = new ModifyDnContext(getChangeNumber(), getUniqueId(),
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newSuperiorId);
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moddn.setAttachment(SYNCHROCONTEXT, ctx);
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return moddn;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public byte[] getBytes() throws UnsupportedEncodingException
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{
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byte[] byteNewRdn = newRDN.getBytes("UTF-8");
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byte[] byteNewSuperior = null;
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byte[] byteNewSuperiorId = null;
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// calculate the length necessary to encode the parameters
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int length = byteNewRdn.length + 1 + 1;
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if (newSuperior != null)
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{
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byteNewSuperior = newSuperior.getBytes("UTF-8");
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length += byteNewSuperior.length + 1;
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}
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else
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length += 1;
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if (newSuperiorId != null)
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{
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byteNewSuperiorId = newSuperiorId.getBytes("UTF-8");
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length += byteNewSuperiorId.length + 1;
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}
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else
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length += 1;
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length += encodedMods.length + 1;
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byte[] resultByteArray = encodeHeader(MSG_TYPE_MODIFYDN, length);
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int pos = resultByteArray.length - length;
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/* put the new RDN and a terminating 0 */
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pos = addByteArray(byteNewRdn, resultByteArray, pos);
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/* put the newsuperior and a terminating 0 */
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if (newSuperior != null)
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{
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pos = addByteArray(byteNewSuperior, resultByteArray, pos);
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}
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else
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resultByteArray[pos++] = 0;
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/* put the newsuperiorId and a terminating 0 */
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if (newSuperiorId != null)
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{
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pos = addByteArray(byteNewSuperiorId, resultByteArray, pos);
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}
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else
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resultByteArray[pos++] = 0;
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/* put the deleteoldrdn flag */
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if (deleteOldRdn)
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resultByteArray[pos++] = 1;
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else
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resultByteArray[pos++] = 0;
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/* add the mods */
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if (encodedMods.length > 0)
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{
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pos = resultByteArray.length - (encodedMods.length + 1);
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addByteArray(encodedMods, resultByteArray, pos);
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}
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else
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resultByteArray[pos++] = 0;
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return resultByteArray;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public String toString()
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{
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if (protocolVersion == ProtocolVersion.REPLICATION_PROTOCOL_V1)
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{
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return "ModifyDNMsg content: " +
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"\nprotocolVersion: " + protocolVersion +
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"\ndn: " + dn +
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"\nchangeNumber: " + changeNumber +
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"\nuniqueId: " + uniqueId +
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"\nassuredFlag: " + assuredFlag +
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"\nnewRDN: " + newRDN +
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"\nnewSuperior: " + newSuperior +
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"\ndeleteOldRdn: " + deleteOldRdn;
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}
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if (protocolVersion >= ProtocolVersion.REPLICATION_PROTOCOL_V2)
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{
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return "ModifyDNMsg content: " +
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"\nprotocolVersion: " + protocolVersion +
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"\ndn: " + dn +
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"\nchangeNumber: " + changeNumber +
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"\nuniqueId: " + uniqueId +
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"\nnewRDN: " + newRDN +
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"\nnewSuperior: " + newSuperior +
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"\ndeleteOldRdn: " + deleteOldRdn +
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"\nassuredFlag: " + assuredFlag +
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"\nassuredMode: " + assuredMode +
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"\nsafeDataLevel: " + safeDataLevel;
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}
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return "!!! Unknown version: " + protocolVersion + "!!!";
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}
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/**
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* Set the new superior.
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* @param string the new superior.
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*/
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public void setNewSuperior(String string)
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{
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newSuperior = string;
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}
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/**
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* Get the new superior.
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*
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* @return The new superior.
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*/
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public String getNewSuperior()
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{
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return newSuperior;
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}
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/**
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* Get the new superior id.
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*
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* @return The new superior id.
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*/
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public String getNewSuperiorId()
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{
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return newSuperiorId;
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}
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/**
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* Get the delete old rdn option.
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*
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* @return The delete old rdn option.
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*/
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public boolean deleteOldRdn()
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{
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return deleteOldRdn;
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}
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/**
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* Set the new superior id.
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*
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* @param newSup The new superior id.
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*/
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public void setNewSuperiorId(String newSup)
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{
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newSuperiorId = newSup;
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}
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/**
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* Set the delete old rdn option.
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*
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* @param delete The delete old rdn option.
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*/
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public void setDeleteOldRdn(boolean delete)
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{
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deleteOldRdn = delete;
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}
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/**
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* Get the delete old rdn option.
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* @return true if delete old rdn option
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*/
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public boolean getDeleteOldRdn()
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{
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return deleteOldRdn;
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}
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/**
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* Get the new RDN of this operation.
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*
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* @return The new RDN of this operation.
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*/
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public String getNewRDN()
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{
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return newRDN;
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}
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/**
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* Set the new RDN of this operation.
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* @param newRDN the new RDN of this operation.
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*/
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public void setNewRDN(String newRDN)
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{
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this.newRDN = newRDN;
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}
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/**
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* Check if this MSG will change the DN of the target entry to be
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* the same as the dn given as a parameter.
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* @param targetDn the DN to use when checking if this MSG will change
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* the DN of the entry to a given DN.
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* @return A boolean indicating if the modify DN MSG will change the DN of
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* the target entry to be the same as the dn given as a parameter.
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*/
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public boolean newDNIsParent(DN targetDn)
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{
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try
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{
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DN newDN;
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if (newSuperior == null)
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{
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DN parentDn = DN.decode(this.getDn()).getParent();
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newDN = parentDn.concat(RDN.decode(newRDN));
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}
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else
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{
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String newStringDN = newRDN + "," + newSuperior;
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newDN = DN.decode(newStringDN);
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}
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if (newDN.isAncestorOf(targetDn))
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return true;
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else
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return false;
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} catch (DirectoryException e)
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{
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// The DN was not a correct DN, and therefore does not a parent of the
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// DN given as a parameter.
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return false;
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}
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}
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/**
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* Check if the new dn of this ModifyDNMsg is the same as the targetDN
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* given in parameter.
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*
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* @param targetDN The targetDN to use to check for equality.
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*
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* @return A boolean indicating if the targetDN if the same as the new DN of
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* the ModifyDNMsg.
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*/
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public boolean newDNIsEqual(DN targetDN)
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{
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try
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{
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String newStringDN = newRDN + "," + newSuperior;
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DN newDN = DN.decode(newStringDN);
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if (newDN.equals(targetDN))
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return true;
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else
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return false;
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} catch (DirectoryException e)
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{
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// The DN was not a correct DN, and therefore does not match the
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// DN given as a parameter.
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return false;
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}
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}
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/**
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* Check if the new parent of the modifyDNMsg is the same as the targetDN
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* given in parameter.
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*
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* @param targetDN the targetDN to use when checking equality.
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*
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* @return A boolean indicating if the new parent of the modifyDNMsg is the
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* same as the targetDN.
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*/
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public boolean newParentIsEqual(DN targetDN)
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{
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try
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{
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DN newSuperiorDN = DN.decode(newSuperior);
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if (newSuperiorDN.equals(targetDN))
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return true;
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else
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return false;
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} catch (DirectoryException e)
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{
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// The newsuperior was not a correct DN, and therefore does not match the
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// DN given as a parameter.
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return false;
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public int size()
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{
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// The MODDN message size are mainly dependent on the
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// size of the DN. let's assume that they average on 100 bytes
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return encodedMods.length + 100;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public byte[] getBytes_V1() throws UnsupportedEncodingException
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{
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if (bytes == null)
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{
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byte[] byteNewRdn = newRDN.getBytes("UTF-8");
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byte[] byteNewSuperior = null;
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byte[] byteNewSuperiorId = null;
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// calculate the length necessary to encode the parameters
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int length = byteNewRdn.length + 1 + 1;
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if (newSuperior != null)
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{
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byteNewSuperior = newSuperior.getBytes("UTF-8");
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length += byteNewSuperior.length + 1;
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}
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else
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length += 1;
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if (newSuperiorId != null)
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{
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byteNewSuperiorId = newSuperiorId.getBytes("UTF-8");
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length += byteNewSuperiorId.length + 1;
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}
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else
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length += 1;
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byte[] resultByteArray = encodeHeader_V1(MSG_TYPE_MODIFYDN_V1, length);
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int pos = resultByteArray.length - length;
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/* put the new RDN and a terminating 0 */
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pos = addByteArray(byteNewRdn, resultByteArray, pos);
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/* put the newsuperior and a terminating 0 */
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if (newSuperior != null)
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{
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pos = addByteArray(byteNewSuperior, resultByteArray, pos);
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}
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else
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resultByteArray[pos++] = 0;
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/* put the newsuperiorId and a terminating 0 */
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if (newSuperiorId != null)
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{
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pos = addByteArray(byteNewSuperiorId, resultByteArray, pos);
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}
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else
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resultByteArray[pos++] = 0;
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/* put the deleteoldrdn flag */
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if (deleteOldRdn)
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resultByteArray[pos++] = 1;
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else
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resultByteArray[pos++] = 0;
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return resultByteArray;
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}
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else
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{
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return bytes;
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}
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}
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}
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