/*
|
* 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
|
*
|
*
|
* Portions Copyright 2007 Sun Microsystems, Inc.
|
*/
|
package org.opends.server.extensions;
|
|
|
|
import java.util.LinkedHashSet;
|
import java.util.List;
|
import java.util.UUID;
|
|
import org.opends.server.admin.std.server.VirtualAttributeCfg;
|
import org.opends.server.api.VirtualAttributeProvider;
|
import org.opends.server.config.ConfigException;
|
import org.opends.server.core.SearchOperation;
|
import org.opends.server.loggers.debug.DebugTracer;
|
import org.opends.server.types.AttributeValue;
|
import org.opends.server.types.ByteString;
|
import org.opends.server.types.ByteStringFactory;
|
import org.opends.server.types.ConditionResult;
|
import org.opends.server.types.DebugLogLevel;
|
import org.opends.server.types.Entry;
|
import org.opends.server.types.InitializationException;
|
import org.opends.server.types.ResultCode;
|
import org.opends.server.types.VirtualAttributeRule;
|
|
import static org.opends.server.loggers.debug.DebugLogger.*;
|
import static org.opends.server.messages.ExtensionsMessages.*;
|
import static org.opends.server.messages.MessageHandler.*;
|
import static org.opends.server.util.ServerConstants.*;
|
import static org.opends.server.util.StaticUtils.*;
|
|
|
|
/**
|
* This class implements a virtual attribute provider that is meant to serve the
|
* entryUUID operational attribute as described in RFC 4530. Note that this
|
* should only be used for entries used in conjuntion with data in private
|
* backends (e.g., those holding the configuration, schema, monitor, and root
|
* DSE entries). Real user data should have entry UUID values generated at the
|
* time the entries are added or imported.
|
*/
|
public class EntryUUIDVirtualAttributeProvider
|
extends VirtualAttributeProvider<VirtualAttributeCfg>
|
{
|
/**
|
* The tracer object for the debug logger.
|
*/
|
private static final DebugTracer TRACER = getTracer();
|
|
/**
|
* Creates a new instance of this entryUUID virtual attribute provider.
|
*/
|
public EntryUUIDVirtualAttributeProvider()
|
{
|
super();
|
|
// All initialization should be performed in the
|
// initializeVirtualAttributeProvider method.
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public void initializeVirtualAttributeProvider(
|
VirtualAttributeCfg configuration)
|
throws ConfigException, InitializationException
|
{
|
// No initialization is required.
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean isMultiValued()
|
{
|
return false;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public LinkedHashSet<AttributeValue> getValues(Entry entry,
|
VirtualAttributeRule rule)
|
{
|
LinkedHashSet<AttributeValue> values = new LinkedHashSet<AttributeValue>(1);
|
|
String normDNString = entry.getDN().toNormalizedString();
|
String uuidString =
|
UUID.nameUUIDFromBytes(getBytes(normDNString)).toString();
|
values.add(new AttributeValue(ByteStringFactory.create(uuidString),
|
ByteStringFactory.create(uuidString)));
|
|
return values;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean hasValue(Entry entry, VirtualAttributeRule rule)
|
{
|
// This virtual attribute provider will always generate a value.
|
return true;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean hasValue(Entry entry, VirtualAttributeRule rule,
|
AttributeValue value)
|
{
|
try
|
{
|
String normalizedDN = entry.getDN().toNormalizedString();
|
String uuidString =
|
UUID.nameUUIDFromBytes(getBytes(normalizedDN)).toString();
|
|
String normalizedValue = value.getNormalizedStringValue();
|
return uuidString.equals(normalizedValue);
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
return false;
|
}
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public ConditionResult matchesSubstring(Entry entry,
|
VirtualAttributeRule rule,
|
ByteString subInitial,
|
List<ByteString> subAny,
|
ByteString subFinal)
|
{
|
// DNs cannot be used in substring matching.
|
return ConditionResult.UNDEFINED;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public ConditionResult greaterThanOrEqualTo(Entry entry,
|
VirtualAttributeRule rule,
|
AttributeValue value)
|
{
|
// DNs cannot be used in ordering matching.
|
return ConditionResult.UNDEFINED;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public ConditionResult lessThanOrEqualTo(Entry entry,
|
VirtualAttributeRule rule,
|
AttributeValue value)
|
{
|
// DNs cannot be used in ordering matching.
|
return ConditionResult.UNDEFINED;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public ConditionResult approximatelyEqualTo(Entry entry,
|
VirtualAttributeRule rule,
|
AttributeValue value)
|
{
|
// DNs cannot be used in approximate matching.
|
return ConditionResult.UNDEFINED;
|
}
|
|
|
|
/**
|
* {@inheritDoc}. This virtual attribute will support search operations only
|
* if one of the following is true about the search filter:
|
* <UL>
|
* <LI>It is an equality filter targeting the associated attribute
|
* type.</LI>
|
* <LI>It is an AND filter in which at least one of the components is an
|
* equality filter targeting the associated attribute type.</LI>
|
* <LI>It is an OR filter in which all of the components are equality
|
* filters targeting the associated attribute type.</LI>
|
* </UL>
|
*/
|
@Override()
|
public boolean isSearchable(VirtualAttributeRule rule,
|
SearchOperation searchOperation)
|
{
|
return false;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public void processSearch(VirtualAttributeRule rule,
|
SearchOperation searchOperation)
|
{
|
searchOperation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
|
|
int msgID = MSGID_ENTRYUUID_VATTR_NOT_SEARCHABLE;
|
String message = getMessage(msgID, rule.getAttributeType().getNameOrOID());
|
searchOperation.appendErrorMessage(message);
|
}
|
}
|
