/*
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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 2006 Sun Microsystems, Inc.
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*/
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package org.opends.server.plugins;
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import java.util.LinkedHashSet;
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import java.util.Set;
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import org.opends.server.api.plugin.DirectoryServerPlugin;
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import org.opends.server.api.plugin.PluginType;
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import org.opends.server.api.plugin.PreParsePluginResult;
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import org.opends.server.config.ConfigEntry;
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import org.opends.server.config.ConfigException;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.types.AttributeType;
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import org.opends.server.types.DebugLogCategory;
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import org.opends.server.types.DebugLogSeverity;
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import org.opends.server.types.ObjectClass;
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import org.opends.server.types.operation.PreParseSearchOperation;
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import static org.opends.server.loggers.Debug.*;
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import static org.opends.server.messages.MessageHandler.*;
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import static org.opends.server.messages.PluginMessages.*;
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import static org.opends.server.util.ServerConstants.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This pre-parse plugin modifies the operation to allow an object class
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* identifier to be specified in attributes lists, such as in Search requests,
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* to request the return all attributes belonging to an object class as per the
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* specification in RFC 4529. The "@" character is used to distinguish an
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* object class identifier from an attribute descriptions.
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*/
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public final class LDAPADListPlugin
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extends DirectoryServerPlugin
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{
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private static final String CLASS_NAME =
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"org.opends.server.plugins.LDAPADListPlugin";
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/**
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* Creates a new instance of this Directory Server plugin. Every plugin must
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* implement a default constructor (it is the only one that will be used to
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* create plugins defined in the configuration), and every plugin constructor
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* must call <CODE>super()</CODE> as its first element.
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*/
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public LDAPADListPlugin()
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{
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super();
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assert debugConstructor(CLASS_NAME);
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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 final void initializePlugin(DirectoryServer directoryServer,
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Set<PluginType> pluginTypes,
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ConfigEntry configEntry)
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throws ConfigException
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{
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assert debugEnter(CLASS_NAME, "initializePlugin",
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String.valueOf(directoryServer),
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String.valueOf(pluginTypes), String.valueOf(configEntry));
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// The set of plugin types must contain only the pre-parse search element.
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if (pluginTypes.isEmpty())
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{
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int msgID = MSGID_PLUGIN_ADLIST_NO_PLUGIN_TYPES;
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String message = getMessage(msgID, String.valueOf(configEntry.getDN()));
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throw new ConfigException(msgID, message);
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}
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else
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{
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for (PluginType t : pluginTypes)
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{
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if (t != PluginType.PRE_PARSE_SEARCH)
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{
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int msgID = MSGID_PLUGIN_ADLIST_INVALID_PLUGIN_TYPE;
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String message = getMessage(msgID,
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String.valueOf(configEntry.getDN()),
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String.valueOf(t));
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throw new ConfigException(msgID, message);
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}
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}
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}
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// Register the appropriate supported feature with the Directory Server.
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DirectoryServer.registerSupportedFeature(OID_LDAP_ADLIST_FEATURE);
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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 final PreParsePluginResult
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doPreParse(PreParseSearchOperation searchOperation)
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{
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assert debugEnter(CLASS_NAME, "doPreParseSearch",
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String.valueOf(searchOperation));
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// Iterate through the requested attributes to see if any of them start with
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// an "@" symbol. If not, then we don't need to do anything. If so, then
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// keep track of them.
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LinkedHashSet<String> attributes = searchOperation.getAttributes();
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boolean foundOC = false;
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for (String attrName : attributes)
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{
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if (attrName.startsWith("@"))
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{
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foundOC = true;
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break;
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}
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}
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if (foundOC)
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{
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LinkedHashSet<String> newAttrs = new LinkedHashSet<String>();
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for (String attrName : attributes)
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{
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if (attrName.startsWith("@"))
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{
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String lowerName = toLowerCase(attrName.substring(1));
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ObjectClass oc = DirectoryServer.getObjectClass(lowerName);
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if (oc == null)
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{
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debugMessage(DebugLogCategory.PLUGIN, DebugLogSeverity.WARNING,
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CLASS_NAME, "doPreParse",
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"Cannot replace unknown objectclass " + lowerName);
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}
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else
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{
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debugMessage(DebugLogCategory.PLUGIN, DebugLogSeverity.INFO,
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CLASS_NAME, "doPreParse",
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"Replacing objectclass " + lowerName);
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for (AttributeType at : oc.getRequiredAttributeChain())
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{
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newAttrs.add(at.getNameOrOID());
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}
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for (AttributeType at : oc.getOptionalAttributeChain())
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{
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newAttrs.add(at.getNameOrOID());
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}
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}
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}
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else
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{
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newAttrs.add(attrName);
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}
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}
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searchOperation.setAttributes(newAttrs);
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}
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return new PreParsePluginResult();
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}
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}
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