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The UnboundID LDAP SDK for Java is a fast, comprehensive, and easy-to-use
Java API for communicating with LDAP directory servers and performing
related tasks like reading and writing LDIF, encoding and decoding data
using base64 and ASN.1 BER, and performing secure communication. This
package contains the Standard Edition of the LDAP SDK, which is a
complete, general-purpose library for communicating with LDAPv3 directory
servers.
/*
* Copyright 2007-2023 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2007-2023 Ping Identity Corporation
*
* Licensed 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.
*/
/*
* Copyright (C) 2007-2023 Ping Identity Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.ldap.sdk;
import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import com.unboundid.asn1.ASN1Boolean;
import com.unboundid.asn1.ASN1Buffer;
import com.unboundid.asn1.ASN1BufferSequence;
import com.unboundid.asn1.ASN1Element;
import com.unboundid.asn1.ASN1OctetString;
import com.unboundid.asn1.ASN1Sequence;
import com.unboundid.ldap.protocol.LDAPMessage;
import com.unboundid.ldap.protocol.LDAPResponse;
import com.unboundid.ldap.protocol.ProtocolOp;
import com.unboundid.ldif.LDIFModifyDNChangeRecord;
import com.unboundid.util.Debug;
import com.unboundid.util.InternalUseOnly;
import com.unboundid.util.Mutable;
import com.unboundid.util.NotNull;
import com.unboundid.util.Nullable;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import com.unboundid.util.Validator;
import static com.unboundid.ldap.sdk.LDAPMessages.*;
/**
* This class implements the processing necessary to perform an LDAPv3 modify DN
* operation, which can be used to rename and/or move an entry or subtree in the
* directory. A modify DN request contains the DN of the target entry, the new
* RDN to use for that entry, and a flag which indicates whether to remove the
* current RDN attribute value(s) from the entry. It may optionally contain a
* new superior DN, which will cause the entry to be moved below that new parent
* entry.
*
* Note that some directory servers may not support all possible uses of the
* modify DN operation. In particular, some servers may not support the use of
* a new superior DN, especially if it may cause the entry to be moved to a
* different database or another server. Also, some servers may not support
* renaming or moving non-leaf entries (i.e., entries that have one or more
* subordinates).
*
* {@code ModifyDNRequest} objects are mutable and therefore can be altered and
* re-used for multiple requests. Note, however, that {@code ModifyDNRequest}
* objects are not threadsafe and therefore a single {@code ModifyDNRequest}
* object instance should not be used to process multiple requests at the same
* time.
*
* Example
* The following example demonstrates the process for performing a modify DN
* operation. In this case, it will rename "ou=People,dc=example,dc=com" to
* "ou=Users,dc=example,dc=com". It will not move the entry below a new parent.
*
* ModifyDNRequest modifyDNRequest =
* new ModifyDNRequest("ou=People,dc=example,dc=com", "ou=Users", true);
* LDAPResult modifyDNResult;
*
* try
* {
* modifyDNResult = connection.modifyDN(modifyDNRequest);
* // If we get here, the delete was successful.
* }
* catch (LDAPException le)
* {
* // The modify DN operation failed.
* modifyDNResult = le.toLDAPResult();
* ResultCode resultCode = le.getResultCode();
* String errorMessageFromServer = le.getDiagnosticMessage();
* }
*
*/
@Mutable()
@ThreadSafety(level=ThreadSafetyLevel.NOT_THREADSAFE)
public final class ModifyDNRequest
extends UpdatableLDAPRequest
implements ReadOnlyModifyDNRequest, ResponseAcceptor, ProtocolOp
{
/**
* The BER type for the new superior element.
*/
private static final byte NEW_SUPERIOR_TYPE = (byte) 0x80;
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = -2325552729975091008L;
// The queue that will be used to receive response messages from the server.
@NotNull private final LinkedBlockingQueue responseQueue =
new LinkedBlockingQueue<>();
// Indicates whether to delete the current RDN value from the entry.
private boolean deleteOldRDN;
// The message ID from the last LDAP message sent from this request.
private int messageID = -1;
// The current DN of the entry to rename.
@NotNull private String dn;
// The new RDN to use for the entry.
@NotNull private String newRDN;
// The new superior DN for the entry.
@Nullable private String newSuperiorDN;
/**
* Creates a new modify DN request that will rename the entry but will not
* move it below a new entry.
*
* @param dn The current DN for the entry to rename. It must not
* be {@code null}.
* @param newRDN The new RDN for the target entry. It must not be
* {@code null}.
* @param deleteOldRDN Indicates whether to delete the current RDN value
* from the target entry.
*/
public ModifyDNRequest(@NotNull final String dn, @NotNull final String newRDN,
final boolean deleteOldRDN)
{
super(null);
Validator.ensureNotNull(dn, newRDN);
this.dn = dn;
this.newRDN = newRDN;
this.deleteOldRDN = deleteOldRDN;
newSuperiorDN = null;
}
/**
* Creates a new modify DN request that will rename the entry but will not
* move it below a new entry.
*
* @param dn The current DN for the entry to rename. It must not
* be {@code null}.
* @param newRDN The new RDN for the target entry. It must not be
* {@code null}.
* @param deleteOldRDN Indicates whether to delete the current RDN value
* from the target entry.
*/
public ModifyDNRequest(@NotNull final DN dn, @NotNull final RDN newRDN,
final boolean deleteOldRDN)
{
super(null);
Validator.ensureNotNull(dn, newRDN);
this.dn = dn.toString();
this.newRDN = newRDN.toString();
this.deleteOldRDN = deleteOldRDN;
newSuperiorDN = null;
}
/**
* Creates a new modify DN request that will rename the entry and will
* optionally move it below a new entry.
*
* @param dn The current DN for the entry to rename. It must not
* be {@code null}.
* @param newRDN The new RDN for the target entry. It must not be
* {@code null}.
* @param deleteOldRDN Indicates whether to delete the current RDN value
* from the target entry.
* @param newSuperiorDN The new superior DN for the entry. It may be
* {@code null} if the entry is not to be moved below a
* new parent.
*/
public ModifyDNRequest(@NotNull final String dn, @NotNull final String newRDN,
final boolean deleteOldRDN,
@Nullable final String newSuperiorDN)
{
super(null);
Validator.ensureNotNull(dn, newRDN);
this.dn = dn;
this.newRDN = newRDN;
this.deleteOldRDN = deleteOldRDN;
this.newSuperiorDN = newSuperiorDN;
}
/**
* Creates a new modify DN request that will rename the entry and will
* optionally move it below a new entry.
*
* @param dn The current DN for the entry to rename. It must not
* be {@code null}.
* @param newRDN The new RDN for the target entry. It must not be
* {@code null}.
* @param deleteOldRDN Indicates whether to delete the current RDN value
* from the target entry.
* @param newSuperiorDN The new superior DN for the entry. It may be
* {@code null} if the entry is not to be moved below a
* new parent.
*/
public ModifyDNRequest(@NotNull final DN dn, @NotNull final RDN newRDN,
final boolean deleteOldRDN,
@Nullable final DN newSuperiorDN)
{
super(null);
Validator.ensureNotNull(dn, newRDN);
this.dn = dn.toString();
this.newRDN = newRDN.toString();
this.deleteOldRDN = deleteOldRDN;
if (newSuperiorDN == null)
{
this.newSuperiorDN = null;
}
else
{
this.newSuperiorDN = newSuperiorDN.toString();
}
}
/**
* Creates a new modify DN request that will rename the entry but will not
* move it below a new entry.
*
* @param dn The current DN for the entry to rename. It must not
* be {@code null}.
* @param newRDN The new RDN for the target entry. It must not be
* {@code null}.
* @param deleteOldRDN Indicates whether to delete the current RDN value
* from the target entry.
* @param controls The set of controls to include in the request.
*/
public ModifyDNRequest(@NotNull final String dn, @NotNull final String newRDN,
final boolean deleteOldRDN,
@Nullable final Control[] controls)
{
super(controls);
Validator.ensureNotNull(dn, newRDN);
this.dn = dn;
this.newRDN = newRDN;
this.deleteOldRDN = deleteOldRDN;
newSuperiorDN = null;
}
/**
* Creates a new modify DN request that will rename the entry but will not
* move it below a new entry.
*
* @param dn The current DN for the entry to rename. It must not
* be {@code null}.
* @param newRDN The new RDN for the target entry. It must not be
* {@code null}.
* @param deleteOldRDN Indicates whether to delete the current RDN value
* from the target entry.
* @param controls The set of controls to include in the request.
*/
public ModifyDNRequest(@NotNull final DN dn, @NotNull final RDN newRDN,
final boolean deleteOldRDN,
@Nullable final Control[] controls)
{
super(controls);
Validator.ensureNotNull(dn, newRDN);
this.dn = dn.toString();
this.newRDN = newRDN.toString();
this.deleteOldRDN = deleteOldRDN;
newSuperiorDN = null;
}
/**
* Creates a new modify DN request that will rename the entry and will
* optionally move it below a new entry.
*
* @param dn The current DN for the entry to rename. It must not
* be {@code null}.
* @param newRDN The new RDN for the target entry. It must not be
* {@code null}.
* @param deleteOldRDN Indicates whether to delete the current RDN value
* from the target entry.
* @param newSuperiorDN The new superior DN for the entry. It may be
* {@code null} if the entry is not to be moved below a
* new parent.
* @param controls The set of controls to include in the request.
*/
public ModifyDNRequest(@NotNull final String dn, @NotNull final String newRDN,
final boolean deleteOldRDN,
@Nullable final String newSuperiorDN,
@Nullable final Control[] controls)
{
super(controls);
Validator.ensureNotNull(dn, newRDN);
this.dn = dn;
this.newRDN = newRDN;
this.deleteOldRDN = deleteOldRDN;
this.newSuperiorDN = newSuperiorDN;
}
/**
* Creates a new modify DN request that will rename the entry and will
* optionally move it below a new entry.
*
* @param dn The current DN for the entry to rename. It must not
* be {@code null}.
* @param newRDN The new RDN for the target entry. It must not be
* {@code null}.
* @param deleteOldRDN Indicates whether to delete the current RDN value
* from the target entry.
* @param newSuperiorDN The new superior DN for the entry. It may be
* {@code null} if the entry is not to be moved below a
* new parent.
* @param controls The set of controls to include in the request.
*/
public ModifyDNRequest(@NotNull final DN dn, @NotNull final RDN newRDN,
final boolean deleteOldRDN,
@Nullable final DN newSuperiorDN,
@Nullable final Control[] controls)
{
super(controls);
Validator.ensureNotNull(dn, newRDN);
this.dn = dn.toString();
this.newRDN = newRDN.toString();
this.deleteOldRDN = deleteOldRDN;
if (newSuperiorDN == null)
{
this.newSuperiorDN = null;
}
else
{
this.newSuperiorDN = newSuperiorDN.toString();
}
}
/**
* {@inheritDoc}
*/
@Override()
@NotNull()
public String getDN()
{
return dn;
}
/**
* Specifies the current DN of the entry to move/rename.
*
* @param dn The current DN of the entry to move/rename. It must not be
* {@code null}.
*/
public void setDN(@NotNull final String dn)
{
Validator.ensureNotNull(dn);
this.dn = dn;
}
/**
* Specifies the current DN of the entry to move/rename.
*
* @param dn The current DN of the entry to move/rename. It must not be
* {@code null}.
*/
public void setDN(@NotNull final DN dn)
{
Validator.ensureNotNull(dn);
this.dn = dn.toString();
}
/**
* {@inheritDoc}
*/
@Override()
@NotNull()
public String getNewRDN()
{
return newRDN;
}
/**
* Specifies the new RDN for the entry.
*
* @param newRDN The new RDN for the entry. It must not be {@code null}.
*/
public void setNewRDN(@NotNull final String newRDN)
{
Validator.ensureNotNull(newRDN);
this.newRDN = newRDN;
}
/**
* Specifies the new RDN for the entry.
*
* @param newRDN The new RDN for the entry. It must not be {@code null}.
*/
public void setNewRDN(@NotNull final RDN newRDN)
{
Validator.ensureNotNull(newRDN);
this.newRDN = newRDN.toString();
}
/**
* {@inheritDoc}
*/
@Override()
public boolean deleteOldRDN()
{
return deleteOldRDN;
}
/**
* Specifies whether the current RDN value should be removed from the entry.
*
* @param deleteOldRDN Specifies whether the current RDN value should be
* removed from the entry.
*/
public void setDeleteOldRDN(final boolean deleteOldRDN)
{
this.deleteOldRDN = deleteOldRDN;
}
/**
* {@inheritDoc}
*/
@Override()
@Nullable()
public String getNewSuperiorDN()
{
return newSuperiorDN;
}
/**
* Specifies the new superior DN for the entry.
*
* @param newSuperiorDN The new superior DN for the entry. It may be
* {@code null} if the entry is not to be removed below
* a new parent.
*/
public void setNewSuperiorDN(@Nullable final String newSuperiorDN)
{
this.newSuperiorDN = newSuperiorDN;
}
/**
* Specifies the new superior DN for the entry.
*
* @param newSuperiorDN The new superior DN for the entry. It may be
* {@code null} if the entry is not to be removed below
* a new parent.
*/
public void setNewSuperiorDN(@Nullable final DN newSuperiorDN)
{
if (newSuperiorDN == null)
{
this.newSuperiorDN = null;
}
else
{
this.newSuperiorDN = newSuperiorDN.toString();
}
}
/**
* {@inheritDoc}
*/
@Override()
public byte getProtocolOpType()
{
return LDAPMessage.PROTOCOL_OP_TYPE_MODIFY_DN_REQUEST;
}
/**
* {@inheritDoc}
*/
@Override()
public void writeTo(@NotNull final ASN1Buffer writer)
{
final ASN1BufferSequence requestSequence =
writer.beginSequence(LDAPMessage.PROTOCOL_OP_TYPE_MODIFY_DN_REQUEST);
writer.addOctetString(dn);
writer.addOctetString(newRDN);
writer.addBoolean(deleteOldRDN);
if (newSuperiorDN != null)
{
writer.addOctetString(NEW_SUPERIOR_TYPE, newSuperiorDN);
}
requestSequence.end();
}
/**
* Encodes the modify DN request protocol op to an ASN.1 element.
*
* @return The ASN.1 element with the encoded modify DN request protocol op.
*/
@Override()
@NotNull()
public ASN1Element encodeProtocolOp()
{
final ASN1Element[] protocolOpElements;
if (newSuperiorDN == null)
{
protocolOpElements = new ASN1Element[]
{
new ASN1OctetString(dn),
new ASN1OctetString(newRDN),
new ASN1Boolean(deleteOldRDN)
};
}
else
{
protocolOpElements = new ASN1Element[]
{
new ASN1OctetString(dn),
new ASN1OctetString(newRDN),
new ASN1Boolean(deleteOldRDN),
new ASN1OctetString(NEW_SUPERIOR_TYPE, newSuperiorDN)
};
}
return new ASN1Sequence(LDAPMessage.PROTOCOL_OP_TYPE_MODIFY_DN_REQUEST,
protocolOpElements);
}
/**
* Sends this modify DN request to the directory server over the provided
* connection and returns the associated response.
*
* @param connection The connection to use to communicate with the directory
* server.
* @param depth The current referral depth for this request. It should
* always be one for the initial request, and should only
* be incremented when following referrals.
*
* @return An LDAP result object that provides information about the result
* of the modify DN processing.
*
* @throws LDAPException If a problem occurs while sending the request or
* reading the response.
*/
@Override()
@NotNull()
protected LDAPResult process(@NotNull final LDAPConnection connection,
final int depth)
throws LDAPException
{
setReferralDepth(depth);
if (connection.synchronousMode())
{
@SuppressWarnings("deprecation")
final boolean autoReconnect =
connection.getConnectionOptions().autoReconnect();
return processSync(connection, depth, autoReconnect);
}
final long requestTime = System.nanoTime();
processAsync(connection, null);
try
{
// Wait for and process the response.
final LDAPResponse response;
try
{
final long responseTimeout = getResponseTimeoutMillis(connection);
if (responseTimeout > 0)
{
response = responseQueue.poll(responseTimeout, TimeUnit.MILLISECONDS);
}
else
{
response = responseQueue.take();
}
}
catch (final InterruptedException ie)
{
Debug.debugException(ie);
Thread.currentThread().interrupt();
throw new LDAPException(ResultCode.LOCAL_ERROR,
ERR_MODDN_INTERRUPTED.get(connection.getHostPort()), ie);
}
return handleResponse(connection, response, requestTime, depth, false);
}
finally
{
connection.deregisterResponseAcceptor(messageID);
}
}
/**
* Sends this modify DN request to the directory server over the provided
* connection and returns the message ID for the request.
*
* @param connection The connection to use to communicate with the
* directory server.
* @param resultListener The async result listener that is to be notified
* when the response is received. It may be
* {@code null} only if the result is to be processed
* by this class.
*
* @return The async request ID created for the operation, or {@code null} if
* the provided {@code resultListener} is {@code null} and the
* operation will not actually be processed asynchronously.
*
* @throws LDAPException If a problem occurs while sending the request.
*/
@Nullable()
AsyncRequestID processAsync(@NotNull final LDAPConnection connection,
@Nullable final AsyncResultListener resultListener)
throws LDAPException
{
// Create the LDAP message.
messageID = connection.nextMessageID();
final LDAPMessage message = new LDAPMessage(messageID, this, getControls());
// If the provided async result listener is {@code null}, then we'll use
// this class as the message acceptor. Otherwise, create an async helper
// and use it as the message acceptor.
final AsyncRequestID asyncRequestID;
final long timeout = getResponseTimeoutMillis(connection);
if (resultListener == null)
{
asyncRequestID = null;
connection.registerResponseAcceptor(messageID, this);
}
else
{
final AsyncHelper helper = new AsyncHelper(connection,
OperationType.MODIFY_DN, messageID, resultListener,
getIntermediateResponseListener());
connection.registerResponseAcceptor(messageID, helper);
asyncRequestID = helper.getAsyncRequestID();
if (timeout > 0L)
{
final Timer timer = connection.getTimer();
final AsyncTimeoutTimerTask timerTask =
new AsyncTimeoutTimerTask(helper);
timer.schedule(timerTask, timeout);
asyncRequestID.setTimerTask(timerTask);
}
}
// Send the request to the server.
try
{
Debug.debugLDAPRequest(Level.INFO, this, messageID, connection);
final LDAPConnectionLogger logger =
connection.getConnectionOptions().getConnectionLogger();
if (logger != null)
{
logger.logModifyDNRequest(connection, messageID, this);
}
connection.getConnectionStatistics().incrementNumModifyDNRequests();
connection.sendMessage(message, timeout);
return asyncRequestID;
}
catch (final LDAPException le)
{
Debug.debugException(le);
connection.deregisterResponseAcceptor(messageID);
throw le;
}
}
/**
* Processes this modify DN operation in synchronous mode, in which the same
* thread will send the request and read the response.
*
* @param connection The connection to use to communicate with the directory
* server.
* @param depth The current referral depth for this request. It should
* always be one for the initial request, and should only
* be incremented when following referrals.
* @param allowRetry Indicates whether the request may be re-tried on a
* re-established connection if the initial attempt fails
* in a way that indicates the connection is no longer
* valid and autoReconnect is true.
*
* @return An LDAP result object that provides information about the result
* of the modify DN processing.
*
* @throws LDAPException If a problem occurs while sending the request or
* reading the response.
*/
@NotNull()
private LDAPResult processSync(@NotNull final LDAPConnection connection,
final int depth,
final boolean allowRetry)
throws LDAPException
{
// Create the LDAP message.
messageID = connection.nextMessageID();
final LDAPMessage message =
new LDAPMessage(messageID, this, getControls());
// Send the request to the server.
final long requestTime = System.nanoTime();
Debug.debugLDAPRequest(Level.INFO, this, messageID, connection);
final LDAPConnectionLogger logger =
connection.getConnectionOptions().getConnectionLogger();
if (logger != null)
{
logger.logModifyDNRequest(connection, messageID, this);
}
connection.getConnectionStatistics().incrementNumModifyDNRequests();
try
{
connection.sendMessage(message, getResponseTimeoutMillis(connection));
}
catch (final LDAPException le)
{
Debug.debugException(le);
if (allowRetry)
{
final LDAPResult retryResult = reconnectAndRetry(connection, depth,
le.getResultCode());
if (retryResult != null)
{
return retryResult;
}
}
throw le;
}
while (true)
{
final LDAPResponse response;
try
{
response = connection.readResponse(messageID);
}
catch (final LDAPException le)
{
Debug.debugException(le);
if ((le.getResultCode() == ResultCode.TIMEOUT) &&
connection.getConnectionOptions().abandonOnTimeout())
{
connection.abandon(messageID);
}
if (allowRetry)
{
final LDAPResult retryResult = reconnectAndRetry(connection, depth,
le.getResultCode());
if (retryResult != null)
{
return retryResult;
}
}
throw le;
}
if (response instanceof IntermediateResponse)
{
final IntermediateResponseListener listener =
getIntermediateResponseListener();
if (listener != null)
{
listener.intermediateResponseReturned(
(IntermediateResponse) response);
}
}
else
{
return handleResponse(connection, response, requestTime, depth,
allowRetry);
}
}
}
/**
* Performs the necessary processing for handling a response.
*
* @param connection The connection used to read the response.
* @param response The response to be processed.
* @param requestTime The time the request was sent to the server.
* @param depth The current referral depth for this request. It
* should always be one for the initial request, and
* should only be incremented when following referrals.
* @param allowRetry Indicates whether the request may be re-tried on a
* re-established connection if the initial attempt fails
* in a way that indicates the connection is no longer
* valid and autoReconnect is true.
*
* @return The modify DN result.
*
* @throws LDAPException If a problem occurs.
*/
@NotNull()
private LDAPResult handleResponse(@NotNull final LDAPConnection connection,
@Nullable final LDAPResponse response,
final long requestTime, final int depth,
final boolean allowRetry)
throws LDAPException
{
if (response == null)
{
final long waitTime =
StaticUtils.nanosToMillis(System.nanoTime() - requestTime);
if (connection.getConnectionOptions().abandonOnTimeout())
{
connection.abandon(messageID);
}
throw new LDAPException(ResultCode.TIMEOUT,
ERR_MODIFY_DN_CLIENT_TIMEOUT.get(waitTime, messageID, dn,
connection.getHostPort()));
}
connection.getConnectionStatistics().incrementNumModifyDNResponses(
System.nanoTime() - requestTime);
if (response instanceof ConnectionClosedResponse)
{
// The connection was closed while waiting for the response.
if (allowRetry)
{
final LDAPResult retryResult = reconnectAndRetry(connection, depth,
ResultCode.SERVER_DOWN);
if (retryResult != null)
{
return retryResult;
}
}
final ConnectionClosedResponse ccr = (ConnectionClosedResponse) response;
final String message = ccr.getMessage();
if (message == null)
{
throw new LDAPException(ccr.getResultCode(),
ERR_CONN_CLOSED_WAITING_FOR_MODIFY_DN_RESPONSE.get(
connection.getHostPort(), toString()));
}
else
{
throw new LDAPException(ccr.getResultCode(),
ERR_CONN_CLOSED_WAITING_FOR_MODIFY_DN_RESPONSE_WITH_MESSAGE.get(
connection.getHostPort(), toString(), message));
}
}
final LDAPResult result = (LDAPResult) response;
if ((result.getResultCode().equals(ResultCode.REFERRAL)) &&
followReferrals(connection))
{
if (depth >= connection.getConnectionOptions().getReferralHopLimit())
{
return new LDAPResult(messageID, ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_TOO_MANY_REFERRALS.get(),
result.getMatchedDN(), result.getReferralURLs(),
result.getResponseControls());
}
return ReferralHelper.handleReferral(this, result, connection);
}
else
{
if (allowRetry)
{
final LDAPResult retryResult = reconnectAndRetry(connection, depth,
result.getResultCode());
if (retryResult != null)
{
return retryResult;
}
}
return result;
}
}
/**
* Attempts to re-establish the connection and retry processing this request
* on it.
*
* @param connection The connection to be re-established.
* @param depth The current referral depth for this request. It should
* always be one for the initial request, and should only
* be incremented when following referrals.
* @param resultCode The result code for the previous operation attempt.
*
* @return The result from re-trying the add, or {@code null} if it could not
* be re-tried.
*/
@Nullable()
private LDAPResult reconnectAndRetry(@NotNull final LDAPConnection connection,
final int depth,
@NotNull final ResultCode resultCode)
{
try
{
// We will only want to retry for certain result codes that indicate a
// connection problem.
switch (resultCode.intValue())
{
case ResultCode.SERVER_DOWN_INT_VALUE:
case ResultCode.DECODING_ERROR_INT_VALUE:
case ResultCode.CONNECT_ERROR_INT_VALUE:
connection.reconnect();
return processSync(connection, depth, false);
}
}
catch (final Exception e)
{
Debug.debugException(e);
}
return null;
}
/**
* {@inheritDoc}
*/
@InternalUseOnly()
@Override()
public void responseReceived(@NotNull final LDAPResponse response)
throws LDAPException
{
try
{
responseQueue.put(response);
}
catch (final Exception e)
{
Debug.debugException(e);
if (e instanceof InterruptedException)
{
Thread.currentThread().interrupt();
}
throw new LDAPException(ResultCode.LOCAL_ERROR,
ERR_EXCEPTION_HANDLING_RESPONSE.get(
StaticUtils.getExceptionMessage(e)), e);
}
}
/**
* {@inheritDoc}
*/
@Override()
public int getLastMessageID()
{
return messageID;
}
/**
* {@inheritDoc}
*/
@Override()
@NotNull()
public OperationType getOperationType()
{
return OperationType.MODIFY_DN;
}
/**
* {@inheritDoc}
*/
@Override()
@NotNull()
public ModifyDNRequest duplicate()
{
return duplicate(getControls());
}
/**
* {@inheritDoc}
*/
@Override()
@NotNull()
public ModifyDNRequest duplicate(@NotNull final Control[] controls)
{
final ModifyDNRequest r = new ModifyDNRequest(dn, newRDN, deleteOldRDN,
newSuperiorDN, controls);
if (followReferralsInternal() != null)
{
r.setFollowReferrals(followReferralsInternal());
}
if (getReferralConnectorInternal() != null)
{
r.setReferralConnector(getReferralConnectorInternal());
}
r.setResponseTimeoutMillis(getResponseTimeoutMillis(null));
r.setIntermediateResponseListener(getIntermediateResponseListener());
r.setReferralDepth(getReferralDepth());
return r;
}
/**
* {@inheritDoc}
*/
@Override()
@NotNull()
public LDIFModifyDNChangeRecord toLDIFChangeRecord()
{
return new LDIFModifyDNChangeRecord(this);
}
/**
* {@inheritDoc}
*/
@Override()
@NotNull()
public String[] toLDIF()
{
return toLDIFChangeRecord().toLDIF();
}
/**
* {@inheritDoc}
*/
@Override()
@NotNull()
public String toLDIFString()
{
return toLDIFChangeRecord().toLDIFString();
}
/**
* {@inheritDoc}
*/
@Override()
public void toString(@NotNull final StringBuilder buffer)
{
buffer.append("ModifyDNRequest(dn='");
buffer.append(dn);
buffer.append("', newRDN='");
buffer.append(newRDN);
buffer.append("', deleteOldRDN=");
buffer.append(deleteOldRDN);
if (newSuperiorDN != null)
{
buffer.append(", newSuperiorDN='");
buffer.append(newSuperiorDN);
buffer.append('\'');
}
final Control[] controls = getControls();
if (controls.length > 0)
{
buffer.append(", controls={");
for (int i=0; i < controls.length; i++)
{
if (i > 0)
{
buffer.append(", ");
}
buffer.append(controls[i]);
}
buffer.append('}');
}
buffer.append(')');
}
/**
* {@inheritDoc}
*/
@Override()
public void toCode(@NotNull final List lineList,
@NotNull final String requestID,
final int indentSpaces, final boolean includeProcessing)
{
// Create the request variable.
final ArrayList constructorArgs = new ArrayList<>(4);
constructorArgs.add(ToCodeArgHelper.createString(dn, "Current DN"));
constructorArgs.add(ToCodeArgHelper.createString(newRDN, "New RDN"));
constructorArgs.add(ToCodeArgHelper.createBoolean(deleteOldRDN,
"Delete Old RDN Value(s)"));
if (newSuperiorDN != null)
{
constructorArgs.add(ToCodeArgHelper.createString(newSuperiorDN,
"New Superior Entry DN"));
}
ToCodeHelper.generateMethodCall(lineList, indentSpaces, "ModifyDNRequest",
requestID + "Request", "new ModifyDNRequest", constructorArgs);
// If there are any controls, then add them to the request.
for (final Control c : getControls())
{
ToCodeHelper.generateMethodCall(lineList, indentSpaces, null, null,
requestID + "Request.addControl",
ToCodeArgHelper.createControl(c, null));
}
// Add lines for processing the request and obtaining the result.
if (includeProcessing)
{
// Generate a string with the appropriate indent.
final StringBuilder buffer = new StringBuilder();
for (int i=0; i < indentSpaces; i++)
{
buffer.append(' ');
}
final String indent = buffer.toString();
lineList.add("");
lineList.add(indent + "try");
lineList.add(indent + '{');
lineList.add(indent + " LDAPResult " + requestID +
"Result = connection.modifyDN(" + requestID + "Request);");
lineList.add(indent + " // The modify DN was processed successfully.");
lineList.add(indent + '}');
lineList.add(indent + "catch (LDAPException e)");
lineList.add(indent + '{');
lineList.add(indent + " // The modify DN failed. Maybe the following " +
"will help explain why.");
lineList.add(indent + " ResultCode resultCode = e.getResultCode();");
lineList.add(indent + " String message = e.getMessage();");
lineList.add(indent + " String matchedDN = e.getMatchedDN();");
lineList.add(indent + " String[] referralURLs = e.getReferralURLs();");
lineList.add(indent + " Control[] responseControls = " +
"e.getResponseControls();");
lineList.add(indent + '}');
}
}
}