/*
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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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* Portions Copyright 2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.extensions;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.Set;
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import org.opends.server.types.DirectoryConfig;
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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.Entry;
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import org.opends.server.types.MemberList;
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import org.opends.server.types.MembershipException;
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import static org.opends.server.loggers.debug.DebugLogger.debugCought;
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import static org.opends.server.loggers.debug.DebugLogger.debugEnabled;
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import org.opends.server.types.DebugLogLevel;
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import static org.opends.server.messages.ExtensionsMessages.*;
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import static org.opends.server.messages.MessageHandler.*;
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import static org.opends.server.util.Validator.*;
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/**
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* This class provides an implementation of the {@code MemberList} class that
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* may be used in conjunction when static groups when no additional criteria is
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* to be used to select a subset of the group members.
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*/
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public class SimpleStaticGroupMemberList
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extends MemberList
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{
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// The DN of the static group with which this member list is associated.
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private DN groupDN;
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// The iterator used to traverse the set of member DNs.
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private Iterator<DN> memberDNIterator;
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// The set of DNs for the users that are members of the associated static
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// group.
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private LinkedList<DN> memberDNs;
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/**
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* Creates a new simple static group member list with the provided set of
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* member DNs.
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*
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* @param groupDN The DN of the static group with which this member list
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* is associated.
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* @param memberDNs The set of DNs for the users that are members of the
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* associated static group.
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*/
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public SimpleStaticGroupMemberList(DN groupDN, Set<DN> memberDNs)
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{
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ensureNotNull(groupDN, memberDNs);
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this.groupDN = groupDN;
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this.memberDNs = new LinkedList<DN>(memberDNs);
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memberDNIterator = memberDNs.iterator();
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public boolean hasMoreMembers()
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{
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return memberDNIterator.hasNext();
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public DN nextMemberDN()
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throws MembershipException
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{
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if (memberDNIterator.hasNext())
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{
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return memberDNIterator.next();
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}
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public Entry nextMemberEntry()
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throws MembershipException
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{
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if (memberDNIterator.hasNext())
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{
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DN memberDN = memberDNIterator.next();
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try
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{
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Entry memberEntry = DirectoryConfig.getEntry(memberDN);
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if (memberEntry == null)
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{
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int msgID = MSGID_STATICMEMBERS_NO_SUCH_ENTRY;
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String message = getMessage(msgID, String.valueOf(memberDN),
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String.valueOf(groupDN));
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throw new MembershipException(msgID, message, true);
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}
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return memberEntry;
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}
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catch (DirectoryException de)
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{
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if (debugEnabled())
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{
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debugCought(DebugLogLevel.ERROR, de);
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}
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int msgID = MSGID_STATICMEMBERS_CANNOT_GET_ENTRY;
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String message = getMessage(msgID, String.valueOf(memberDN),
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String.valueOf(groupDN),
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String.valueOf(de.getErrorMessage()));
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throw new MembershipException(msgID, message, true, de);
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}
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}
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public void close()
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{
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// No implementation is required.
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}
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}
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