/*
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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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* Portions Copyright 2006 Sun Microsystems, Inc.
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*/
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package org.opends.server.synchronization;
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import static org.opends.server.protocols.ldap.LDAPConstants.*;
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import static org.opends.server.synchronization.SynchMessages.SYNCHRONIZATION;
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import java.io.UnsupportedEncodingException;
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import org.opends.server.core.ModifyDNOperation;
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import org.opends.server.core.Operation;
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import org.opends.server.protocols.asn1.ASN1OctetString;
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import org.opends.server.protocols.internal.InternalClientConnection;
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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 UpdateMessage
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{
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private String dn;
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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 static final long serialVersionUID = -4905520652801395185L;
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/**
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* construct a new Modify DN message.
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*
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* @param op The operation to use for building the message
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*/
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public ModifyDNMsg(ModifyDNOperation op)
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{
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dn = op.getRawEntryDN().stringValue();
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deleteOldRdn = op.deleteOldRDN();
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newSuperior = op.getRawNewSuperior().stringValue();
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newRDN = op.getRawNewRDN().stringValue();
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changeNumber = (ChangeNumber) op.getAttachment(SYNCHRONIZATION);
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}
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/**
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* Creates a new Add 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 Exception The input byte[] is not a valid AddMsg
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*/
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public ModifyDNMsg(byte[] in) throws Exception
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{
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/* first byte is the type */
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if (in[0] != OP_TYPE_MODIFY_DN_REQUEST)
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throw new Exception("byte[] is not a valid add msg");
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int pos = 1;
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/* read the dn
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* first calculate the length then construct the string
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*/
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int length = 0;
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int offset = pos;
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while (in[pos++] != 0)
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{
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if (pos > in.length)
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throw new Exception("byte[] is not a valid add msg");
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length++;
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}
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dn = new String(in, offset, length, "UTF-8");
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/* read the changeNumber
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* it is always 24 characters long
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*/
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String changenumberStr = new String(in, pos, 24, "UTF-8");
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changeNumber = new ChangeNumber(changenumberStr);
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pos +=24;
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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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length = 0;
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offset = pos;
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while (in[pos++] != 0)
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{
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if (pos > in.length)
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throw new Exception("byte[] is not a valid add msg");
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length++;
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}
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newRDN = new String(in, offset, length, "UTF-8");
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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 = 0;
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offset = pos;
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while (in[pos++] != 0)
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{
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if (pos > in.length)
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throw new Exception("byte[] is not a valid add msg");
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length++;
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}
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newSuperior = new String(in, offset, length, "UTF-8");
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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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}
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/**
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* Create an operation from this ModifyDN message.
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* @param connection the connection to use when creating the operation
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* @return the created operation
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*/
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@Override
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public Operation createOperation(InternalClientConnection connection)
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{
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ModifyDNOperation moddn = new ModifyDNOperation(connection,
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InternalClientConnection.nextOperationID(),
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InternalClientConnection.nextMessageID(), null,
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new ASN1OctetString(dn),
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new ASN1OctetString(newRDN),
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deleteOldRdn,
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new ASN1OctetString(newSuperior));
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moddn.setAttachment(SYNCHRONIZATION, getChangeNumber());
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return moddn;
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}
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/**
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* Get the byte array representation of this Message.
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*
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* @return The byte array representation of this Message.
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*/
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@Override
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public byte[] getByte()
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{
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try
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{
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byte[] byteDn = dn.getBytes("UTF-8");
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byte[] byteNewRdn = newRDN.getBytes("UTF-8");
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byte[] byteNewSuperior = null;
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/* The Modify DN message is stored in the form :
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* <operation type><dn><changenumber><newrdn><newsuperior><deleteoldrdn>
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* the length of result byte array is therefore :
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* 1 + dn length+1 + 24 + newrdn length+1 + newsuperior length+1 +1
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*/
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int length = 1 + byteDn.length + 1 + 24 + 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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byte[] resultByteArray = new byte[length];
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int pos = 1;
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/* put the type of the operation */
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resultByteArray[0] = OP_TYPE_MODIFY_DN_REQUEST;
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/* put the DN and a terminating 0 */
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for (int i = 0; i< byteDn.length; i++,pos++)
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{
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resultByteArray[pos] = byteDn[i];
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}
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resultByteArray[pos++] = 0;
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/* put the ChangeNumber */
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byte[] changeNumberByte =
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this.getChangeNumber().toString().getBytes("UTF-8");
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for (int i=0; i<24; i++,pos++)
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{
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resultByteArray[pos] = changeNumberByte[i];
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}
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/* put the new RDN and a terminating 0 */
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for (int i = 0; i< byteNewRdn.length; i++,pos++)
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{
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resultByteArray[pos] = byteDn[i];
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}
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resultByteArray[pos++] = 0;
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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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for (int i = 0; i< byteNewSuperior.length; i++,pos++)
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{
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resultByteArray[pos] = byteDn[i];
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}
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resultByteArray[pos++] = 0;
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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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} catch (UnsupportedEncodingException e)
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{
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// should never happen : TODO : log error
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}
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return null;
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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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return ("Modify DN " + dn + " " + newRDN + " " + newSuperior + " " +
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getChangeNumber());
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}
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}
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