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/*
* Copyright 2007-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2008-2017 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.util.Collections;
import java.util.List;
import com.unboundid.asn1.ASN1StreamReader;
import com.unboundid.asn1.ASN1StreamReaderSequence;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
/**
* This class provides a data structure for holding information about the result
* of processing a search request. This includes the elements of the
* {@link LDAPResult} object, but also contains additional information specific
* to the search operation. This includes:
*
*
The number of {@link SearchResultEntry} objects returned from the
* server. This will be available regardless of whether the entries are
* included in this search result object or were returned through a
* {@link SearchResultListener}.
*
The number of {@link SearchResultReference} objects returned from the
* server. This will be available regardless of whether the entries are
* included in this search result object or were returned through a
* {@link SearchResultListener}.
*
A list of the {@link SearchResultEntry} objects returned from the
* server. This will be {@code null} if a {@link SearchResultListener}
* was used to return the entries.
*
A list of the {@link SearchResultReference} objects returned from the
* server. This will be {@code null} if a {@link SearchResultListener}
* was used to return the entries.
*
*/
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class SearchResult
extends LDAPResult
{
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = 1938208530894131198L;
// The number of matching entries returned for this search.
private int numEntries;
// The number of search result references returned for this search.
private int numReferences;
// A list that may be used to hold the search result entries returned for
// this search.
private List searchEntries;
// A list that may be used to hold the search result references returned for
// this search.
private List searchReferences;
/**
* Creates a new search result object with the provided information. This
* version of the constructor should be used if the search result entries and
* references were returned to the client via the {@code SearchResultListener}
* interface.
*
* @param messageID The message ID for the LDAP message that is
* associated with this LDAP result.
* @param resultCode The result code from the search result done
* response.
* @param diagnosticMessage The diagnostic message from the search result
* done response, if available.
* @param matchedDN The matched DN from the search result done
* response, if available.
* @param referralURLs The set of referral URLs from the search result
* done response, if available.
* @param numEntries The number of search result entries returned
* for this search.
* @param numReferences The number of search result references returned
* for this search.
* @param responseControls The set of controls from the search result done
* response, if available.
*/
public SearchResult(final int messageID, final ResultCode resultCode,
final String diagnosticMessage, final String matchedDN,
final String[] referralURLs, final int numEntries,
final int numReferences, final Control[] responseControls)
{
super(messageID, resultCode, diagnosticMessage, matchedDN, referralURLs,
responseControls);
this.numEntries = numEntries;
this.numReferences = numReferences;
searchEntries = null;
searchReferences = null;
}
/**
* Creates a new search result object with the provided information. This
* version of the constructor should be used if the search result entries and
* references were collected in lists rather than returned to the requester
* through the {@code SearchResultListener} interface.
*
* @param messageID The message ID for the LDAP message that is
* associated with this LDAP result.
* @param resultCode The result code from the search result done
* response.
* @param diagnosticMessage The diagnostic message from the search result
* done response, if available.
* @param matchedDN The matched DN from the search result done
* response, if available.
* @param referralURLs The set of referral URLs from the search result
* done response, if available.
* @param searchEntries A list containing the set of search result
* entries returned by the server. It may only be
* {@code null} if the search result entries were
* returned through the
* {@code SearchResultListener} interface.
* @param searchReferences A list containing the set of search result
* references returned by the server. It may only
* be {@code null} if the search result entries
* were returned through the
* {@code SearchResultListener} interface.
* @param numEntries The number of search result entries returned
* for this search.
* @param numReferences The number of search result references returned
* for this search.
* @param responseControls The set of controls from the search result done
* response, if available.
*/
public SearchResult(final int messageID, final ResultCode resultCode,
final String diagnosticMessage, final String matchedDN,
final String[] referralURLs,
final List searchEntries,
final List searchReferences,
final int numEntries, final int numReferences,
final Control[] responseControls)
{
super(messageID, resultCode, diagnosticMessage, matchedDN, referralURLs,
responseControls);
this.numEntries = numEntries;
this.numReferences = numReferences;
this.searchEntries = searchEntries;
this.searchReferences = searchReferences;
}
/**
* Creates a new search result object with the information from the provided
* LDAP result.
*
* @param ldapResult The LDAP result to use to create the contents of this
* search result.
*/
public SearchResult(final LDAPResult ldapResult)
{
super(ldapResult);
if (ldapResult instanceof SearchResult)
{
final SearchResult searchResult = (SearchResult) ldapResult;
numEntries = searchResult.numEntries;
numReferences = searchResult.numReferences;
searchEntries = searchResult.searchEntries;
searchReferences = searchResult.searchReferences;
}
else
{
numEntries = -1;
numReferences = -1;
searchEntries = null;
searchReferences = null;
}
}
/**
* Creates a new search result object with the information from the provided
* LDAP exception.
*
* @param ldapException The LDAP exception to use to create the contents of
* this search result.
*/
public SearchResult(final LDAPException ldapException)
{
this(ldapException.toLDAPResult());
}
/**
* Creates a new search 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 search result object.
*
* @throws LDAPException If a problem occurs while reading or decoding data
* from the ASN.1 stream reader.
*/
static SearchResult readSearchResultFrom(final int messageID,
final ASN1StreamReaderSequence messageSequence,
final ASN1StreamReader reader)
throws LDAPException
{
final LDAPResult r =
LDAPResult.readLDAPResultFrom(messageID, messageSequence, reader);
return new SearchResult(messageID, r.getResultCode(),
r.getDiagnosticMessage(), r.getMatchedDN(), r.getReferralURLs(),
-1, -1, r.getResponseControls());
}
/**
* Retrieves the number of matching entries returned for the search operation.
*
* @return The number of matching entries returned for the search operation.
*/
public int getEntryCount()
{
return numEntries;
}
/**
* Retrieves the number of search references returned for the search
* operation. This may be zero even if search references were received if the
* connection used when processing the search was configured to automatically
* follow referrals.
*
* @return The number of search references returned for the search operation.
*/
public int getReferenceCount()
{
return numReferences;
}
/**
* Retrieves a list containing the matching entries returned from the search
* operation. This will only be available if a {@code SearchResultListener}
* was not used during the search.
*
* @return A list containing the matching entries returned from the search
* operation, or {@code null} if a {@code SearchResultListener} was
* used during the search.
*/
public List getSearchEntries()
{
if (searchEntries == null)
{
return null;
}
return Collections.unmodifiableList(searchEntries);
}
/**
* Retrieves the search result entry with the specified DN from the set of
* entries returned. This will only be available if a
* {@code SearchResultListener} was not used during the search.
*
* @param dn The DN of the search result entry to retrieve. It must not
* be {@code null}.
*
* @return The search result entry with the provided DN, or {@code null} if
* the specified entry was not returned, or if a
* {@code SearchResultListener} was used for the search.
*
* @throws LDAPException If a problem is encountered while attempting to
* parse the provided DN or a search entry DN.
*/
public SearchResultEntry getSearchEntry(final String dn)
throws LDAPException
{
if (searchEntries == null)
{
return null;
}
final DN parsedDN = new DN(dn);
for (final SearchResultEntry e : searchEntries)
{
if (parsedDN.equals(e.getParsedDN()))
{
return e;
}
}
return null;
}
/**
* Retrieves a list containing the search references returned from the search
* operation. This will only be available if a {@code SearchResultListener}
* was not used during the search, and may be empty even if search references
* were received if the connection used when processing the search was
* configured to automatically follow referrals.
*
* @return A list containing the search references returned from the search
* operation, or {@code null} if a {@code SearchResultListener} was
* used during the search.
*/
public List getSearchReferences()
{
if (searchReferences == null)
{
return null;
}
return Collections.unmodifiableList(searchReferences);
}
/**
* Provides information about the entries and references returned for the
* search operation. This must only be called when a search result is created
* and the search result must not be altered at any point after that.
*
* @param numEntries The number of entries returned for the search
* operation.
* @param searchEntries A list containing the entries returned from the
* search operation, or {@code null} if a
* {@code SearchResultListener} was used during the
* search.
* @param numReferences The number of references returned for the search
* operation.
* @param searchReferences A list containing the search references returned
* from the search operation, or {@code null} if a
* {@code SearchResultListener} was used during the
* search.
*/
void setCounts(final int numEntries,
final List searchEntries,
final int numReferences,
final List searchReferences)
{
this.numEntries = numEntries;
this.numReferences = numReferences;
if (searchEntries == null)
{
this.searchEntries = null;
}
else
{
this.searchEntries = Collections.unmodifiableList(searchEntries);
}
if (searchReferences == null)
{
this.searchReferences = null;
}
else
{
this.searchReferences = Collections.unmodifiableList(searchReferences);
}
}
/**
* 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(final StringBuilder buffer)
{
buffer.append("SearchResult(resultCode=");
buffer.append(getResultCode());
final int messageID = getMessageID();
if (messageID >= 0)
{
buffer.append(", messageID=");
buffer.append(messageID);
}
final String diagnosticMessage = getDiagnosticMessage();
if (diagnosticMessage != null)
{
buffer.append(", diagnosticMessage='");
buffer.append(diagnosticMessage);
buffer.append('\'');
}
final String matchedDN = getMatchedDN();
if (matchedDN != null)
{
buffer.append(", matchedDN='");
buffer.append(matchedDN);
buffer.append('\'');
}
final String[] referralURLs = getReferralURLs();
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 (numEntries >= 0)
{
buffer.append(", entriesReturned=");
buffer.append(numEntries);
}
if (numReferences >= 0)
{
buffer.append(", referencesReturned=");
buffer.append(numReferences);
}
final Control[] responseControls = getResponseControls();
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(')');
}
}
