/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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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* Portions Copyright 2012-2013 ForgeRock AS
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*/
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package org.opends.server.extensions;
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import java.util.Collections;
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import java.util.List;
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import java.util.Set;
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import org.opends.messages.Message;
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import org.opends.server.admin.std.server.HasSubordinatesVirtualAttributeCfg;
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import org.opends.server.api.Backend;
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import org.opends.server.api.VirtualAttributeProvider;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.SearchOperation;
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import org.opends.server.loggers.debug.DebugTracer;
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import org.opends.server.types.*;
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import static org.opends.messages.ExtensionMessages.*;
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import static org.opends.server.loggers.debug.DebugLogger.*;
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/**
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* This class implements a virtual attribute provider that is meant to serve the
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* hasSubordinates operational attribute as described in X.501.
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*/
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public class HasSubordinatesVirtualAttributeProvider
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extends VirtualAttributeProvider<HasSubordinatesVirtualAttributeCfg>
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{
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/**
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* The tracer object for the debug logger.
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*/
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private static final DebugTracer TRACER = getTracer();
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/**
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* Creates a new instance of this HasSubordinates virtual attribute provider.
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*/
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public HasSubordinatesVirtualAttributeProvider()
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{
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super();
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// All initialization should be performed in the
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// initializeVirtualAttributeProvider method.
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}
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/** {@inheritDoc} */
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@Override()
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public boolean isMultiValued()
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{
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return false;
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}
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/** {@inheritDoc} */
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@Override()
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public Set<AttributeValue> getValues(Entry entry,
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VirtualAttributeRule rule)
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{
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Backend backend = DirectoryServer.getBackend(entry.getDN());
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try
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{
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ConditionResult ret = backend.hasSubordinates(entry.getDN());
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if(ret != null && ret != ConditionResult.UNDEFINED)
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{
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AttributeValue value =
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AttributeValues.create(ByteString.valueOf(ret.toString()),
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ByteString.valueOf(ret.toString()));
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return Collections.singleton(value);
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}
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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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TRACER.debugCaught(DebugLogLevel.ERROR, de);
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}
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}
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return Collections.emptySet();
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}
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/** {@inheritDoc} */
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@Override()
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public boolean hasValue(Entry entry, VirtualAttributeRule rule)
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{
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Backend backend = DirectoryServer.getBackend(entry.getDN());
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try
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{
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ConditionResult ret = backend.hasSubordinates(entry.getDN());
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return ret != null && ret != ConditionResult.UNDEFINED;
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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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TRACER.debugCaught(DebugLogLevel.ERROR, de);
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}
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return false;
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}
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}
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/** {@inheritDoc} */
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@Override()
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public boolean hasValue(Entry entry, VirtualAttributeRule rule,
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AttributeValue value)
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{
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Backend backend = DirectoryServer.getBackend(entry.getDN());
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try
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{
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ConditionResult ret = backend.hasSubordinates(entry.getDN());
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return ret != null
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&& ret != ConditionResult.UNDEFINED
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&& ConditionResult.valueOf(value.getNormalizedValue().toString())
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.equals(ret);
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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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TRACER.debugCaught(DebugLogLevel.ERROR, de);
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}
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return false;
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}
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}
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/** {@inheritDoc} */
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@Override()
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public ConditionResult matchesSubstring(Entry entry,
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VirtualAttributeRule rule,
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ByteString subInitial,
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List<ByteString> subAny,
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ByteString subFinal)
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{
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// This virtual attribute does not support substring matching.
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return ConditionResult.UNDEFINED;
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}
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/** {@inheritDoc} */
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@Override()
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public ConditionResult greaterThanOrEqualTo(Entry entry,
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VirtualAttributeRule rule,
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AttributeValue value)
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{
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// This virtual attribute does not support ordering matching.
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return ConditionResult.UNDEFINED;
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}
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/** {@inheritDoc} */
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@Override()
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public ConditionResult lessThanOrEqualTo(Entry entry,
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VirtualAttributeRule rule,
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AttributeValue value)
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{
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// This virtual attribute does not support ordering matching.
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return ConditionResult.UNDEFINED;
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}
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/** {@inheritDoc} */
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@Override()
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public ConditionResult approximatelyEqualTo(Entry entry,
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VirtualAttributeRule rule,
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AttributeValue value)
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{
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// This virtual attribute does not support approximate matching.
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return ConditionResult.UNDEFINED;
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}
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/** {@inheritDoc} */
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@Override()
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public boolean isSearchable(VirtualAttributeRule rule,
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SearchOperation searchOperation,
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boolean isPreIndexed)
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{
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return false;
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}
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/** {@inheritDoc} */
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@Override()
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public void processSearch(VirtualAttributeRule rule,
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SearchOperation searchOperation)
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{
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searchOperation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
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Message message = ERR_HASSUBORDINATES_VATTR_NOT_SEARCHABLE.get(
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rule.getAttributeType().getNameOrOID());
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searchOperation.appendErrorMessage(message);
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}
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}
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