/*
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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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* Copyright 2008-2009 Sun Microsystems, Inc.
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*/
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package org.opends.server.extensions;
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import org.opends.messages.Message;
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import java.util.LinkedHashSet;
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import org.opends.server.api.DirectoryThread;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.protocols.internal.InternalClientConnection;
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import org.opends.server.protocols.internal.InternalSearchListener;
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import org.opends.server.protocols.internal.InternalSearchOperation;
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import org.opends.server.types.DereferencePolicy;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.DN;
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import org.opends.server.types.LDAPURL;
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import org.opends.server.types.MembershipException;
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import org.opends.server.types.ResultCode;
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import org.opends.server.types.SearchFilter;
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import org.opends.server.types.SearchResultEntry;
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import org.opends.server.types.SearchResultReference;
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import org.opends.server.types.SearchScope;
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import static org.opends.messages.ExtensionMessages.*;
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import org.opends.server.loggers.ErrorLogger;
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/**
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* This class implements a Directory Server thread that will be used to perform
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* a background search to retrieve all of the members of a dynamic group.
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* <BR><BR>
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*/
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public class DynamicGroupSearchThread
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// FIXME -- Would it be better to implement this class using an Executor
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// rather than always creating a custom thread?
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extends DirectoryThread
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implements InternalSearchListener
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{
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// The set of base DNs for the search requests.
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private final DN[] baseDNs;
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// The member list with which this search thread is associated.
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private final DynamicGroupMemberList memberList;
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// A counter used to keep track of which search is currently in progress.
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private int searchCounter;
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// The set of member URLs for determining whether entries match the criteria.
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private final LDAPURL[][] memberURLs;
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// The set of search filters for the search requests.
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private final SearchFilter[] searchFilters;
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/**
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* Creates a new dynamic group search thread that is associated with the
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* provided member list and that will perform the search using the provided
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* information.
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*
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* @param memberList The dynamic group member list with which this thread is
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* associated.
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* @param baseDNs The set of base DNs to use for the search requests.
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* @param filters The set of search filters to use for the search
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* requests.
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* @param memberURLs The set of member URLs to use when determining if
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* entries match the necessary group criteria.
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*/
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public DynamicGroupSearchThread(DynamicGroupMemberList memberList,
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DN[] baseDNs, SearchFilter[] filters,
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LDAPURL[][] memberURLs)
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{
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super("Dynamic Group Search Thread " + memberList.getDynamicGroupDN());
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this.memberList = memberList;
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this.baseDNs = baseDNs;
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this.searchFilters = filters;
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this.memberURLs = memberURLs;
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searchCounter = 0;
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}
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/**
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* Performs the set of searches and provides the results to the associated
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* member list.
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*/
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public void run()
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{
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InternalClientConnection conn =
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InternalClientConnection.getRootConnection();
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LinkedHashSet<String> attributes = new LinkedHashSet<String>(0);
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//Include all the user attributes along with the ismemberof.
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attributes.add("*");
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attributes.add("ismemberof");
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for (searchCounter = 0; searchCounter < baseDNs.length; searchCounter++)
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{
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InternalSearchOperation searchOperation =
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conn.processSearch(baseDNs[searchCounter], SearchScope.WHOLE_SUBTREE,
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DereferencePolicy.NEVER_DEREF_ALIASES, 0, 0,
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false, searchFilters[searchCounter], attributes,
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this);
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ResultCode resultCode = searchOperation.getResultCode();
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if (resultCode != ResultCode.SUCCESS)
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{
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if (resultCode == ResultCode.NO_SUCH_OBJECT)
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{
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Message message = WARN_DYNAMICGROUP_NONEXISTENT_BASE_DN.
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get(String.valueOf(baseDNs[searchCounter]),
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String.valueOf(memberList.getDynamicGroupDN()));
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ErrorLogger.logError(message);
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continue;
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}
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else
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{
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Message message =
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ERR_DYNAMICGROUP_INTERNAL_SEARCH_FAILED.get(
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String.valueOf(baseDNs[searchCounter]),
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String.valueOf(searchFilters[searchCounter]),
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String.valueOf(memberList.getDynamicGroupDN()),
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String.valueOf(resultCode),
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String.valueOf(searchOperation.getErrorMessage()));
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if (! memberList.addResult(
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new MembershipException(message, true)))
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{
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memberList.setSearchesCompleted();
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return;
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}
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}
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}
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}
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memberList.setSearchesCompleted();
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}
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/**
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* {@inheritDoc}
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*/
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public void handleInternalSearchEntry(InternalSearchOperation searchOperation,
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SearchResultEntry searchEntry)
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throws DirectoryException
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{
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for (LDAPURL url : memberURLs[searchCounter])
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{
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if (url.matchesEntry(searchEntry))
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{
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if (! memberList.addResult(searchEntry))
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{
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Message message = ERR_DYNAMICGROUP_CANNOT_RETURN_ENTRY.
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get(String.valueOf(searchEntry.getDN()),
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String.valueOf(memberList.getDynamicGroupDN()));
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throw new DirectoryException(
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DirectoryServer.getServerErrorResultCode(), message);
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}
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return;
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}
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}
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}
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/**
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* {@inheritDoc}
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*/
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public void handleInternalSearchReference(
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InternalSearchOperation searchOperation,
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SearchResultReference searchReference)
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{
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// No implementation required.
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}
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}
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