/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2008 Sun Microsystems, Inc.
* Portions Copyright 2011 ForgeRock AS
*/
package org.opends.server.extensions;
import org.opends.messages.Message;
import java.util.Iterator;
import java.util.ArrayList;
import java.util.Set;
import org.opends.server.types.ByteString;
import org.opends.server.types.DirectoryConfig;
import org.opends.server.types.DirectoryException;
import org.opends.server.types.DN;
import org.opends.server.types.Entry;
import org.opends.server.types.MemberList;
import org.opends.server.types.MembershipException;
import static org.opends.server.loggers.debug.DebugLogger.*;
import org.opends.server.loggers.debug.DebugTracer;
import org.opends.server.types.DebugLogLevel;
import static org.opends.messages.ExtensionMessages.*;
import static org.opends.server.util.Validator.*;
/**
* This class provides an implementation of the {@code MemberList} class that
* may be used in conjunction when static groups when no additional criteria is
* to be used to select a subset of the group members.
*/
public class SimpleStaticGroupMemberList
extends MemberList
{
/**
* The tracer object for the debug logger.
*/
private static final DebugTracer TRACER = getTracer();
// The DN of the static group with which this member list is associated.
private DN groupDN;
// The iterator used to traverse the set of member DNs.
private Iterator<ByteString> memberDNIterator;
// The set of DNs for the users that are members of the associated static
// group.
private ArrayList<ByteString> memberDNs;
/**
* Creates a new simple static group member list with the provided set of
* member DNs.
*
* @param groupDN The DN of the static group with which this member list
* is associated.
* @param memberDNs The set of DNs for the users that are members of the
* associated static group.
*/
public SimpleStaticGroupMemberList(DN groupDN, Set<ByteString> memberDNs)
{
ensureNotNull(groupDN, memberDNs);
this.groupDN = groupDN;
this.memberDNs = new ArrayList<ByteString>(memberDNs);
memberDNIterator = memberDNs.iterator();
}
/**
* {@inheritDoc}
*/
@Override()
public boolean hasMoreMembers()
{
return memberDNIterator.hasNext();
}
/**
* {@inheritDoc}
*/
@Override()
public DN nextMemberDN()
throws MembershipException
{
DN dn = null;
if (memberDNIterator.hasNext())
{
try{
dn = DN.decode(memberDNIterator.next());
}
catch (DirectoryException de)
{
// Should not happen
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, de);
}
Message message = ERR_STATICMEMBERS_CANNOT_DECODE_DN.
get(String.valueOf(dn), String.valueOf(groupDN),
String.valueOf(de.getMessageObject()));
throw new MembershipException(message, true, de);
}
}
return dn;
}
/**
* {@inheritDoc}
*/
@Override()
public Entry nextMemberEntry()
throws MembershipException
{
if (memberDNIterator.hasNext())
{
ByteString memberDN = memberDNIterator.next();
try
{
Entry memberEntry = DirectoryConfig.getEntry(DN.decode(memberDN));
if (memberEntry == null)
{
Message message = ERR_STATICMEMBERS_NO_SUCH_ENTRY.get(
String.valueOf(memberDN), String.valueOf(groupDN));
throw new MembershipException(message, true);
}
return memberEntry;
}
catch (DirectoryException de)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, de);
}
Message message = ERR_STATICMEMBERS_CANNOT_GET_ENTRY.
get(String.valueOf(memberDN), String.valueOf(groupDN),
String.valueOf(de.getMessageObject()));
throw new MembershipException(message, true, de);
}
}
return null;
}
/**
* {@inheritDoc}
*/
@Override()
public void close()
{
// No implementation is required.
}
}