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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 Commercial Edition of the LDAP SDK, which includes
all of the general-purpose functionality contained in the Standard
Edition, plus additional functionality specific to UnboundID server
products.
/*
* Copyright 2007-2016 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2008-2016 UnboundID Corp.
*
* 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.Extensible;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import static com.unboundid.ldap.sdk.LDAPMessages.*;
import static com.unboundid.util.Debug.*;
import static com.unboundid.util.StaticUtils.*;
/**
* 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.
private final Byte protocolOpType;
// The set of controls from the response.
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.
private final ResultCode resultCode;
// The diagnostic message from the response, if available.
private final String diagnosticMessage;
// The matched DN from the response, if available.
private final String matchedDN;
// The set of referral URLs from the response, if available.
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(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, final ResultCode resultCode)
{
this(null, messageID, resultCode, null, null, 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, final ResultCode resultCode,
final String diagnosticMessage, final String matchedDN,
final String[] referralURLs,
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, final ResultCode resultCode,
final String diagnosticMessage, final String matchedDN,
final List referralURLs,
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(final Byte protocolOpType, final int messageID,
final ResultCode resultCode,
final String diagnosticMessage, final String matchedDN,
final String[] referralURLs,
final Control[] responseControls)
{
this.protocolOpType = protocolOpType;
this.messageID = messageID;
this.resultCode = resultCode;
this.diagnosticMessage = diagnosticMessage;
this.matchedDN = matchedDN;
if (referralURLs == null)
{
this.referralURLs = 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(final Byte protocolOpType, final int messageID,
final ResultCode resultCode,
final String diagnosticMessage, final String matchedDN,
final List referralURLs,
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 = 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.
*/
static LDAPResult readLDAPResultFrom(final int messageID,
final ASN1StreamReaderSequence messageSequence,
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.length() == 0)
{
matchedDN = null;
}
String diagnosticMessage = reader.readString();
if (diagnosticMessage.length() == 0)
{
diagnosticMessage = null;
}
String[] referralURLs = 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 (LDAPException le)
{
debugException(le);
throw le;
}
catch (final ASN1Exception ae)
{
debugException(ae);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_RESULT_CANNOT_DECODE.get(ae.getMessage()), ae);
}
catch (Exception e)
{
debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_RESULT_CANNOT_DECODE.get(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.
*/
public final int getMessageID()
{
return messageID;
}
/**
* Retrieves the result code from the response.
*
* @return The result code from the response.
*/
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.
*/
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.
*/
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.
*/
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.
*/
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(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.
*/
public final Control getResponseControl(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.
*/
public String getResultString()
{
final StringBuilder buffer = new StringBuilder();
buffer.append("result code='");
buffer.append(resultCode);
buffer.append('\'');
if ((diagnosticMessage != null) && (diagnosticMessage.length() > 0))
{
buffer.append(" diagnostic message='");
buffer.append(diagnosticMessage);
buffer.append('\'');
}
if ((matchedDN != null) && (matchedDN.length() > 0))
{
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()
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.
*/
public void toString(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(')');
}
}
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