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/*
* Copyright 2007-2021 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2007-2021 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) 2007-2021 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.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import com.unboundid.asn1.ASN1Exception;
import com.unboundid.asn1.ASN1StreamReader;
import com.unboundid.asn1.ASN1StreamReaderSequence;
import com.unboundid.ldap.protocol.LDAPMessage;
import com.unboundid.ldap.protocol.LDAPResponse;
import com.unboundid.util.Debug;
import com.unboundid.util.Extensible;
import com.unboundid.util.NotMutable;
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 static com.unboundid.ldap.sdk.LDAPMessages.*;
/**
* This class provides a data structure for holding the elements that are common
* to most types of LDAP responses. The elements contained in an LDAP result
* include:
*
*
Result Code -- An integer value that provides information about the
* status of the operation. See the {@link ResultCode} class for
* information about a number of result codes defined in LDAP.
*
Diagnostic Message -- An optional string that may provide additional
* information about the operation. For example, if the operation failed,
* it may include information about the reason for the failure. It will
* often (but not always) be absent in the result for successful
* operations, and it may be absent in the result for failed
* operations.
*
Matched DN -- An optional DN which specifies the entry that most
* closely matched the DN of a non-existent entry in the server. For
* example, if an operation failed because the target entry did not exist,
* then the matched DN field may specify the DN of the closest ancestor
* to that entry that does exist in the server.
*
Referral URLs -- An optional set of LDAP URLs which refer to other
* directories and/or locations within the DIT in which the operation may
* be attempted. If multiple referral URLs are provided, then they should
* all be considered equivalent for the purpose of attempting the
* operation (e.g., the different URLs may simply refer to different
* servers in which the operation could be processed).
*
Response Controls -- An optional set of controls included in the
* response from the server. If any controls are included, then they may
* provide additional information about the processing that was performed
* by the server.
*
*
* Note that even though this class is marked with the @Extensible annotation
* type, it should not be directly subclassed by third-party code. Only the
* {@link BindResult} and {@link ExtendedResult} subclasses are actually
* intended to be extended by third-party code.
*/
@Extensible()
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public class LDAPResult
implements Serializable, LDAPResponse
{
/**
* The BER type for the set of referral URLs.
*/
static final byte TYPE_REFERRAL_URLS = (byte) 0xA3;
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = 2215819095653175991L;
// The protocol op type for this result, if available.
@Nullable private final Byte protocolOpType;
// The set of controls from the response.
@NotNull private final Control[] responseControls;
// The message ID for the LDAP message that is associated with this LDAP
// result.
private final int messageID;
// The result code from the response.
@NotNull private final ResultCode resultCode;
// The diagnostic message from the response, if available.
@Nullable private final String diagnosticMessage;
// The matched DN from the response, if available.
@Nullable private final String matchedDN;
// The set of referral URLs from the response, if available.
@NotNull private final String[] referralURLs;
/**
* Creates a new LDAP result object based on the provided result.
*
* @param result The LDAP result object to use to initialize this result.
*/
protected LDAPResult(@NotNull final LDAPResult result)
{
protocolOpType = result.protocolOpType;
messageID = result.messageID;
resultCode = result.resultCode;
diagnosticMessage = result.diagnosticMessage;
matchedDN = result.matchedDN;
referralURLs = result.referralURLs;
responseControls = result.responseControls;
}
/**
* Creates a new LDAP result object with the provided message ID and result
* code, and no other information.
*
* @param messageID The message ID for the LDAP message that is associated
* with this LDAP result.
* @param resultCode The result code from the response.
*/
public LDAPResult(final int messageID, @NotNull final ResultCode resultCode)
{
this(null, messageID, resultCode, null, null, StaticUtils.NO_STRINGS,
NO_CONTROLS);
}
/**
* Creates a new LDAP result object with the provided information.
*
* @param messageID The message ID for the LDAP message that is
* associated with this LDAP result.
* @param resultCode The result code from the response.
* @param diagnosticMessage The diagnostic message from the response, if
* available.
* @param matchedDN The matched DN from the response, if available.
* @param referralURLs The set of referral URLs from the response, if
* available.
* @param responseControls The set of controls from the response, if
* available.
*/
public LDAPResult(final int messageID, @NotNull final ResultCode resultCode,
@Nullable final String diagnosticMessage,
@Nullable final String matchedDN,
@Nullable final String[] referralURLs,
@Nullable final Control[] responseControls)
{
this(null, messageID, resultCode, diagnosticMessage, matchedDN,
referralURLs, responseControls);
}
/**
* Creates a new LDAP result object with the provided information.
*
* @param messageID The message ID for the LDAP message that is
* associated with this LDAP result.
* @param resultCode The result code from the response.
* @param diagnosticMessage The diagnostic message from the response, if
* available.
* @param matchedDN The matched DN from the response, if available.
* @param referralURLs The set of referral URLs from the response, if
* available.
* @param responseControls The set of controls from the response, if
* available.
*/
public LDAPResult(final int messageID, @NotNull final ResultCode resultCode,
@Nullable final String diagnosticMessage,
@Nullable final String matchedDN,
@Nullable final List referralURLs,
@Nullable final List responseControls)
{
this(null, messageID, resultCode, diagnosticMessage, matchedDN,
referralURLs, responseControls);
}
/**
* Creates a new LDAP result object with the provided information.
*
* @param protocolOpType The protocol op type for this result, if
* available.
* @param messageID The message ID for the LDAP message that is
* associated with this LDAP result.
* @param resultCode The result code from the response.
* @param diagnosticMessage The diagnostic message from the response, if
* available.
* @param matchedDN The matched DN from the response, if available.
* @param referralURLs The set of referral URLs from the response, if
* available.
* @param responseControls The set of controls from the response, if
* available.
*/
private LDAPResult(@Nullable final Byte protocolOpType, final int messageID,
@NotNull final ResultCode resultCode,
@Nullable final String diagnosticMessage,
@Nullable final String matchedDN,
@Nullable final String[] referralURLs,
@Nullable final Control[] responseControls)
{
this.protocolOpType = protocolOpType;
this.messageID = messageID;
this.resultCode = resultCode;
this.diagnosticMessage = diagnosticMessage;
this.matchedDN = matchedDN;
if (referralURLs == null)
{
this.referralURLs = StaticUtils.NO_STRINGS;
}
else
{
this.referralURLs = referralURLs;
}
if (responseControls == null)
{
this.responseControls = NO_CONTROLS;
}
else
{
this.responseControls = responseControls;
}
}
/**
* Creates a new LDAP result object with the provided information.
*
* @param protocolOpType The protocol op type for this result, if
* available.
* @param messageID The message ID for the LDAP message that is
* associated with this LDAP result.
* @param resultCode The result code from the response.
* @param diagnosticMessage The diagnostic message from the response, if
* available.
* @param matchedDN The matched DN from the response, if available.
* @param referralURLs The set of referral URLs from the response, if
* available.
* @param responseControls The set of controls from the response, if
* available.
*/
private LDAPResult(@Nullable final Byte protocolOpType, final int messageID,
@NotNull final ResultCode resultCode,
@Nullable final String diagnosticMessage,
@Nullable final String matchedDN,
@Nullable final List referralURLs,
@Nullable final List responseControls)
{
this.protocolOpType = protocolOpType;
this.messageID = messageID;
this.resultCode = resultCode;
this.diagnosticMessage = diagnosticMessage;
this.matchedDN = matchedDN;
if ((referralURLs == null) || referralURLs.isEmpty())
{
this.referralURLs = StaticUtils.NO_STRINGS;
}
else
{
this.referralURLs = new String[referralURLs.size()];
referralURLs.toArray(this.referralURLs);
}
if ((responseControls == null) || responseControls.isEmpty())
{
this.responseControls = NO_CONTROLS;
}
else
{
this.responseControls = new Control[responseControls.size()];
responseControls.toArray(this.responseControls);
}
}
/**
* Creates a new LDAP result object with the provided message ID and with the
* protocol op and controls read from the given ASN.1 stream reader.
*
* @param messageID The LDAP message ID for the LDAP message that is
* associated with this LDAP result.
* @param messageSequence The ASN.1 stream reader sequence used in the
* course of reading the LDAP message elements.
* @param reader The ASN.1 stream reader from which to read the
* protocol op and controls.
*
* @return The decoded LDAP result.
*
* @throws LDAPException If a problem occurs while reading or decoding data
* from the ASN.1 stream reader.
*/
@NotNull()
static LDAPResult readLDAPResultFrom(final int messageID,
@NotNull final ASN1StreamReaderSequence messageSequence,
@NotNull final ASN1StreamReader reader)
throws LDAPException
{
try
{
final ASN1StreamReaderSequence protocolOpSequence =
reader.beginSequence();
final byte protocolOpType = protocolOpSequence.getType();
final ResultCode resultCode = ResultCode.valueOf(reader.readEnumerated());
String matchedDN = reader.readString();
if (matchedDN.isEmpty())
{
matchedDN = null;
}
String diagnosticMessage = reader.readString();
if (diagnosticMessage.isEmpty())
{
diagnosticMessage = null;
}
String[] referralURLs = StaticUtils.NO_STRINGS;
if (protocolOpSequence.hasMoreElements())
{
final ArrayList refList = new ArrayList<>(1);
final ASN1StreamReaderSequence refSequence = reader.beginSequence();
while (refSequence.hasMoreElements())
{
refList.add(reader.readString());
}
referralURLs = new String[refList.size()];
refList.toArray(referralURLs);
}
Control[] responseControls = NO_CONTROLS;
if (messageSequence.hasMoreElements())
{
final ArrayList controlList = new ArrayList<>(1);
final ASN1StreamReaderSequence controlSequence = reader.beginSequence();
while (controlSequence.hasMoreElements())
{
controlList.add(Control.readFrom(reader));
}
responseControls = new Control[controlList.size()];
controlList.toArray(responseControls);
}
return new LDAPResult(protocolOpType, messageID, resultCode,
diagnosticMessage, matchedDN, referralURLs, responseControls);
}
catch (final LDAPException le)
{
Debug.debugException(le);
throw le;
}
catch (final ASN1Exception ae)
{
Debug.debugException(ae);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_RESULT_CANNOT_DECODE.get(ae.getMessage()), ae);
}
catch (final Exception e)
{
Debug.debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_RESULT_CANNOT_DECODE.get(StaticUtils.getExceptionMessage(e)), e);
}
}
/**
* Retrieves the message ID for the LDAP message with which this LDAP result
* is associated.
*
* @return The message ID for the LDAP message with which this LDAP result
* is associated.
*/
@Override()
public final int getMessageID()
{
return messageID;
}
/**
* Retrieves the type of operation that triggered this result, if available.
*
* @return The type of operation that triggered this result, or {@code null}
* if the operation type is not available.
*
* Retrieves the BER type for the LDAP protocol op from which this
*/
@Nullable()
public final OperationType getOperationType()
{
if (protocolOpType != null)
{
switch (protocolOpType)
{
case LDAPMessage.PROTOCOL_OP_TYPE_ADD_RESPONSE:
return OperationType.ADD;
case LDAPMessage.PROTOCOL_OP_TYPE_BIND_RESPONSE:
return OperationType.BIND;
case LDAPMessage.PROTOCOL_OP_TYPE_COMPARE_RESPONSE:
return OperationType.COMPARE;
case LDAPMessage.PROTOCOL_OP_TYPE_DELETE_RESPONSE:
return OperationType.DELETE;
case LDAPMessage.PROTOCOL_OP_TYPE_EXTENDED_RESPONSE:
return OperationType.EXTENDED;
case LDAPMessage.PROTOCOL_OP_TYPE_MODIFY_RESPONSE:
return OperationType.MODIFY;
case LDAPMessage.PROTOCOL_OP_TYPE_MODIFY_DN_RESPONSE:
return OperationType.MODIFY_DN;
case LDAPMessage.PROTOCOL_OP_TYPE_SEARCH_RESULT_DONE:
return OperationType.SEARCH;
}
}
return null;
}
/**
* Retrieves the result code from the response.
*
* @return The result code from the response.
*/
@NotNull()
public final ResultCode getResultCode()
{
return resultCode;
}
/**
* Retrieves the diagnostic message from the response, if available.
*
* @return The diagnostic message from the response, or {@code null} if none
* was provided.
*/
@Nullable()
public final String getDiagnosticMessage()
{
return diagnosticMessage;
}
/**
* Retrieves the matched DN from the response, if available.
*
* @return The matched DN from the response, or {@code null} if none was
* provided.
*/
@Nullable()
public final String getMatchedDN()
{
return matchedDN;
}
/**
* Retrieves the set of referral URLs from the response, if available.
*
* @return The set of referral URLs from the response. The array returned
* may be empty if the response did not include any referral URLs.
*/
@NotNull()
public final String[] getReferralURLs()
{
return referralURLs;
}
/**
* Retrieves the set of controls from the response, if available. Individual
* response controls of a specific type may be retrieved and decoded using the
* {@code get} method in the response control class.
*
* @return The set of controls from the response. The array returned may be
* empty if the response did not include any controls.
*/
@NotNull()
public final Control[] getResponseControls()
{
return responseControls;
}
/**
* Indicates whether this result contains at least one control.
*
* @return {@code true} if this result contains at least one control, or
* {@code false} if not.
*/
public final boolean hasResponseControl()
{
return (responseControls.length > 0);
}
/**
* Indicates whether this result contains at least one control with the
* specified OID.
*
* @param oid The object identifier for which to make the determination. It
* must not be {@code null}.
*
* @return {@code true} if this result contains at least one control with
* the specified OID, or {@code false} if not.
*/
public final boolean hasResponseControl(@NotNull final String oid)
{
for (final Control c : responseControls)
{
if (c.getOID().equals(oid))
{
return true;
}
}
return false;
}
/**
* Retrieves the response control with the specified OID. If there is more
* than one response control with the specified OID, then the first will be
* returned.
*
* @param oid The OID for the response control to retrieve.
*
* @return The requested response control, or {@code null} if there is no
* such response control.
*/
@Nullable()
public final Control getResponseControl(@NotNull final String oid)
{
for (final Control c : responseControls)
{
if (c.getOID().equals(oid))
{
return c;
}
}
return null;
}
/**
* Retrieves a string representation of this LDAP result, consisting of
* the result code, diagnostic message (if present), matched DN (if present),
* and referral URLs (if present).
*
* @return A string representation of this LDAP result.
*/
@NotNull()
public String getResultString()
{
final StringBuilder buffer = new StringBuilder();
buffer.append("result code='");
buffer.append(resultCode);
buffer.append('\'');
if ((diagnosticMessage != null) && (! diagnosticMessage.isEmpty()))
{
buffer.append(" diagnostic message='");
buffer.append(diagnosticMessage);
buffer.append('\'');
}
if ((matchedDN != null) && (! matchedDN.isEmpty()))
{
buffer.append(" matched DN='");
buffer.append(matchedDN);
buffer.append('\'');
}
if ((referralURLs != null) && (referralURLs.length > 0))
{
buffer.append(" referral URLs={");
for (int i=0; i < referralURLs.length; i++)
{
if (i > 0)
{
buffer.append(", ");
}
buffer.append('\'');
buffer.append(referralURLs[i]);
buffer.append('\'');
}
buffer.append('}');
}
return buffer.toString();
}
/**
* Retrieves a string representation of this LDAP result.
*
* @return A string representation of this LDAP result.
*/
@Override()
@NotNull()
public String toString()
{
final StringBuilder buffer = new StringBuilder();
toString(buffer);
return buffer.toString();
}
/**
* Appends a string representation of this LDAP result to the provided buffer.
*
* @param buffer The buffer to which to append a string representation of
* this LDAP result.
*/
@Override()
public void toString(@NotNull final StringBuilder buffer)
{
buffer.append("LDAPResult(resultCode=");
buffer.append(resultCode);
if (messageID >= 0)
{
buffer.append(", messageID=");
buffer.append(messageID);
}
if (protocolOpType != null)
{
switch (protocolOpType)
{
case LDAPMessage.PROTOCOL_OP_TYPE_ADD_RESPONSE:
buffer.append(", opType='add'");
break;
case LDAPMessage.PROTOCOL_OP_TYPE_BIND_RESPONSE:
buffer.append(", opType='bind'");
break;
case LDAPMessage.PROTOCOL_OP_TYPE_COMPARE_RESPONSE:
buffer.append(", opType='compare'");
break;
case LDAPMessage.PROTOCOL_OP_TYPE_DELETE_RESPONSE:
buffer.append(", opType='delete'");
break;
case LDAPMessage.PROTOCOL_OP_TYPE_EXTENDED_RESPONSE:
buffer.append(", opType='extended'");
break;
case LDAPMessage.PROTOCOL_OP_TYPE_MODIFY_RESPONSE:
buffer.append(", opType='modify'");
break;
case LDAPMessage.PROTOCOL_OP_TYPE_MODIFY_DN_RESPONSE:
buffer.append(", opType='modify DN'");
break;
case LDAPMessage.PROTOCOL_OP_TYPE_SEARCH_RESULT_DONE:
buffer.append(", opType='search'");
break;
}
}
if (diagnosticMessage != null)
{
buffer.append(", diagnosticMessage='");
buffer.append(diagnosticMessage);
buffer.append('\'');
}
if (matchedDN != null)
{
buffer.append(", matchedDN='");
buffer.append(matchedDN);
buffer.append('\'');
}
if (referralURLs.length > 0)
{
buffer.append(", referralURLs={");
for (int i=0; i < referralURLs.length; i++)
{
if (i > 0)
{
buffer.append(", ");
}
buffer.append('\'');
buffer.append(referralURLs[i]);
buffer.append('\'');
}
buffer.append('}');
}
if (responseControls.length > 0)
{
buffer.append(", responseControls={");
for (int i=0; i < responseControls.length; i++)
{
if (i > 0)
{
buffer.append(", ");
}
buffer.append(responseControls[i]);
}
buffer.append('}');
}
buffer.append(')');
}
}
