FilteredStaticGroupMemberList.java revision a395dd575518d9e5280fc5d5d5ef47c61b174647
/*
* 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
* 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.
*/
/**
* This class provides an implementation of the {@code MemberList} class that
* may be used in conjunction when static groups when additional criteria is to
* be used to select a subset of the group members.
*/
public class FilteredStaticGroupMemberList
extends MemberList
{
/**
* The tracer object for the debug logger.
*/
// The base DN below which all returned members should exist.
// The DN of the static group with which this member list is associated.
// The entry of the next entry that matches the member list criteria.
private Entry nextMatchingEntry;
// The iterator used to traverse the set of member DNs.
// The set of DNs for the users that are members of the associated static
// group.
// The membership exception that should be thrown the next time a member is
// requested.
// The search filter that all returned members should match.
private SearchFilter filter;
// The search scope to apply against the base DN for the member subset.
private SearchScope scope;
/**
* Creates a new filtered static group member list with the provided
* information.
*
* @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.
* @param baseDN The base DN below which all returned members should
* exist. If this is {@code null}, then all members will
* be considered to match the base and scope criteria.
* @param scope The search scope to apply against the base DN when
* selecting eligible members.
* @param filter The search filter which all returned members should
* match. If this is {@code null}, then all members will
* be considered eligible.
*/
{
{
}
else
{
}
}
/**
* Attempts to find the next member that matches the associated criteria.
* When this method returns, if {@code nextMembershipException} is
* non-{@code null}, then that exception should be thrown on the next attempt
* to retrieve a member. If {@code nextMatchingEntry} is non-{@code null},
* then that entry should be returned on the next attempt to retrieve a
* member. If both are {@code null}, then there are no more members to
* return.
*/
private void nextMemberInternal()
{
while (memberDNIterator.hasNext())
{
// Check to see if we can eliminate the entry as a possible match purely
// based on base DN and scope.
{
switch (scope)
{
case BASE_OBJECT:
{
continue;
}
break;
case SINGLE_LEVEL:
{
continue;
}
break;
case SUBORDINATE_SUBTREE:
{
continue;
}
break;
default:
{
continue;
}
break;
}
}
// Get the entry for the potential member. If we can't, then populate
// the next membership exception.
try
{
if (memberEntry == null)
{
new MembershipException(message, true);
return;
}
{
return;
}
else
{
{
return;
}
else
{
continue;
}
}
}
catch (DirectoryException de)
{
if (debugEnabled())
{
}
return;
}
}
// If we've gotten here, then there are no more members.
}
/**
* {@inheritDoc}
*/
@Override()
public boolean hasMoreMembers()
{
if (! memberDNIterator.hasNext())
{
return false;
}
}
/**
* {@inheritDoc}
*/
@Override()
public DN nextMemberDN()
throws MembershipException
{
if (! memberDNIterator.hasNext())
{
return null;
}
Entry e = nextMemberEntry();
if (e == null)
{
return null;
}
else
{
return e.getDN();
}
}
/**
* {@inheritDoc}
*/
@Override()
public Entry nextMemberEntry()
throws MembershipException
{
if (! memberDNIterator.hasNext())
{
return null;
}
if (nextMembershipException == null)
{
Entry e = nextMatchingEntry;
return e;
}
else
{
throw me;
}
}
/**
* {@inheritDoc}
*/
@Override()
public void close()
{
// No implementation is required.
}
}