mirror of https://github.com/OpenIdentityPlatform/OpenDJ.git

neil_a_wilson
24.48.2007 9cf914d1062389a8d4c937b0f9e38574fc2eaba9
Migrate the group configuration to the admin framework.
1 files added
6 files modified
1325 ■■■■■ changed files
opends/src/admin/defn/org/opends/server/admin/std/GroupImplementationConfiguration.xml 90 ●●●●● patch | view | raw | blame | history
opends/src/admin/defn/org/opends/server/admin/std/RootConfiguration.xml 13 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/api/Group.java 16 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/core/GroupManager.java 1185 ●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/extensions/DynamicGroup.java 7 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/extensions/StaticGroup.java 7 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/extensions/VirtualStaticGroup.java 7 ●●●●● patch | view | raw | blame | history
opends/src/admin/defn/org/opends/server/admin/std/GroupImplementationConfiguration.xml
New file
@@ -0,0 +1,90 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
! 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.
! -->
<adm:managed-object name="group-implementation"
plural-name="group-implementations"
package="org.opends.server.admin.std" abstract="false"
xmlns:adm="http://www.opends.org/admin"
xmlns:ldap="http://www.opends.org/admin-ldap">
  <adm:synopsis>
    <adm:user-friendly-plural-name />
    define named collections of users.  Different group implementations may have
    different ways of determining membership (e.g., it may explicitly list the
    members, and/or it may dynamically determine membership).
  </adm:synopsis>
  <adm:tag name="core"/>
  <adm:profile name="ldap">
    <ldap:object-class>
      <ldap:oid>1.3.6.1.4.1.26027.1.2.81</ldap:oid>
      <ldap:name>ds-cfg-group-implementation</ldap:name>
      <ldap:superior>top</ldap:superior>
    </ldap:object-class>
  </adm:profile>
  <adm:property name="enabled" mandatory="true">
    <adm:synopsis>
      Indicate whether the
      <adm:user-friendly-name />
      is enabled for use.
    </adm:synopsis>
    <adm:syntax>
      <adm:boolean />
    </adm:syntax>
    <adm:profile name="ldap">
      <ldap:attribute>
        <ldap:oid>1.3.6.1.4.1.26027.1.1.304</ldap:oid>
        <ldap:name>ds-cfg-group-implementation-enabled</ldap:name>
      </ldap:attribute>
    </adm:profile>
  </adm:property>
  <adm:property name="group-class" mandatory="true">
    <adm:synopsis>
      The fully-qualified name of the Java class that provides the
      <adm:user-friendly-name />
      implementation.
    </adm:synopsis>
    <adm:syntax>
      <adm:java-class>
        <adm:instance-of>
          org.opends.server.api.Group
        </adm:instance-of>
      </adm:java-class>
    </adm:syntax>
    <adm:profile name="ldap">
      <ldap:attribute>
        <ldap:oid>1.3.6.1.4.1.26027.1.1.303</ldap:oid>
        <ldap:name>ds-cfg-group-implementation-class</ldap:name>
      </ldap:attribute>
    </adm:profile>
  </adm:property>
</adm:managed-object>
opends/src/admin/defn/org/opends/server/admin/std/RootConfiguration.xml
@@ -81,6 +81,19 @@
      </cli:relation>
    </adm:profile>
  </adm:relation>
  <adm:relation name="group-implementation">
    <adm:one-to-many />
    <adm:profile name="ldap">
      <ldap:rdn-sequence>
        cn=Group Implementations,cn=config
      </ldap:rdn-sequence>
    </adm:profile>
    <adm:profile name="cli">
      <cli:relation>
        <cli:default-property name="enabled" />
      </cli:relation>
    </adm:profile>
  </adm:relation>
  <adm:relation name="identity-mapper">
    <adm:one-to-many />
    <adm:profile name="ldap">
opends/src/server/org/opends/server/api/Group.java
@@ -30,7 +30,7 @@
import java.util.List;
import org.opends.server.config.ConfigEntry;
import org.opends.server.admin.std.server.GroupImplementationCfg;
import org.opends.server.config.ConfigException;
import org.opends.server.types.DirectoryException;
import org.opends.server.types.DN;
@@ -59,17 +59,20 @@
 *       group type provides the ability to explicitly add or remove
 *       members.</LI>
 * </UL>
 *
 * @param  <T>  The type of configuration handled by this group
 *              implementation.
 */
public abstract class Group
public abstract class Group<T
       extends GroupImplementationCfg>
{
  /**
   * Initializes a "shell" instance of this group implementation that
   * may be used to identify and instantiate instances of this type of
   * group in the directory data.
   *
   * @param  configEntry  The configuration entry that may contain
   *                      information about the way that this group
   *                      implementation should operate.
   * @param  configuration  The configuration for this group
   *                        implementation.
   *
   * @throws  ConfigException  If there is a problem with the provided
   *                           configuration entry.
@@ -80,8 +83,7 @@
   *                                   not related to the server
   *                                   configuration.
   */
  public abstract void initializeGroupImplementation(
                            ConfigEntry configEntry)
  public abstract void initializeGroupImplementation(T configuration)
         throws ConfigException, InitializationException;
opends/src/server/org/opends/server/core/GroupManager.java
@@ -28,30 +28,32 @@
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.opends.server.admin.ClassPropertyDefinition;
import org.opends.server.admin.server.ConfigurationAddListener;
import org.opends.server.admin.server.ConfigurationChangeListener;
import org.opends.server.admin.server.ConfigurationDeleteListener;
import org.opends.server.admin.server.ServerManagementContext;
import org.opends.server.admin.std.meta.GroupImplementationCfgDefn;
import org.opends.server.admin.std.server.GroupImplementationCfg;
import org.opends.server.admin.std.server.RootCfg;
import org.opends.server.api.Backend;
import org.opends.server.api.BackendInitializationListener;
import org.opends.server.api.ChangeNotificationListener;
import org.opends.server.api.ConfigAddListener;
import org.opends.server.api.ConfigChangeListener;
import org.opends.server.api.ConfigDeleteListener;
import org.opends.server.api.ConfigHandler;
import org.opends.server.api.ConfigurableComponent;
import org.opends.server.api.Group;
import org.opends.server.config.BooleanConfigAttribute;
import org.opends.server.config.ConfigEntry;
import org.opends.server.config.ConfigException;
import org.opends.server.config.StringConfigAttribute;
import org.opends.server.loggers.debug.DebugTracer;
import org.opends.server.protocols.internal.InternalClientConnection;
import org.opends.server.protocols.internal.InternalSearchOperation;
import org.opends.server.types.ConfigChangeResult;
import org.opends.server.types.Control;
import org.opends.server.types.DebugLogLevel;
import org.opends.server.types.DereferencePolicy;
import org.opends.server.types.DN;
import org.opends.server.types.Entry;
@@ -68,13 +70,12 @@
import org.opends.server.types.operation.PostResponseModifyDNOperation;
import static org.opends.server.config.ConfigConstants.*;
import org.opends.server.types.DebugLogLevel;
import static org.opends.server.loggers.ErrorLogger.*;
import static org.opends.server.loggers.debug.DebugLogger.*;
import org.opends.server.loggers.debug.DebugTracer;
import static org.opends.server.messages.ConfigMessages.*;
import static org.opends.server.messages.MessageHandler.*;
import static org.opends.server.util.ServerConstants.*;
import static org.opends.server.util.StaticUtils.*;
/**
@@ -89,8 +90,11 @@
 * then we will need an alternate strategy.
 */
public class GroupManager
       implements ConfigChangeListener, ConfigAddListener, ConfigDeleteListener,
                  BackendInitializationListener, ChangeNotificationListener
       implements ConfigurationChangeListener<GroupImplementationCfg>,
                  ConfigurationAddListener<GroupImplementationCfg>,
                  ConfigurationDeleteListener<GroupImplementationCfg>,
                  BackendInitializationListener,
                  ChangeNotificationListener
{
  /**
   * The tracer object for the debug logger.
@@ -108,9 +112,6 @@
  // group instances.
  private ConcurrentHashMap<DN,Group> groupInstances;
  // The configuration handler for the Directory Server.
  private ConfigHandler configHandler;
  /**
@@ -118,7 +119,6 @@
   */
  public GroupManager()
  {
    configHandler        = DirectoryServer.getConfigHandler();
    groupImplementations = new ConcurrentHashMap<DN,Group>();
    groupInstances       = new ConcurrentHashMap<DN,Group>();
@@ -143,101 +143,331 @@
  public void initializeGroupImplementations()
         throws ConfigException, InitializationException
  {
    // First, get the configuration base entry.
    ConfigEntry baseEntry;
    try
    // Get the root configuration object.
    ServerManagementContext managementContext =
         ServerManagementContext.getInstance();
    RootCfg rootConfiguration =
         managementContext.getRootConfiguration();
    // Register as an add and delete listener with the root configuration so we
    // can be notified if any group implementation entries are added or removed.
    rootConfiguration.addGroupImplementationAddListener(this);
    rootConfiguration.addGroupImplementationDeleteListener(this);
    //Initialize the existing group implementations.
    for (String name : rootConfiguration.listGroupImplementations())
    {
      DN groupImplementationBaseDN =
              DN.decode(DN_GROUP_IMPLEMENTATION_CONFIG_BASE);
      baseEntry = configHandler.getConfigEntry(groupImplementationBaseDN);
    }
    catch (Exception e)
    {
      if (debugEnabled())
      GroupImplementationCfg groupConfiguration =
           rootConfiguration.getGroupImplementation(name);
      groupConfiguration.addChangeListener(this);
      if (groupConfiguration.isEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
        String className = groupConfiguration.getGroupClass();
        try
        {
          Group group = loadGroup(className, groupConfiguration);
          groupImplementations.put(groupConfiguration.dn(), group);
        }
        catch (InitializationException ie)
        {
          logError(ErrorLogCategory.CONFIGURATION,
                   ErrorLogSeverity.SEVERE_ERROR,
                   ie.getMessage(), ie.getMessageID());
          continue;
        }
      }
      int    msgID   = MSGID_CONFIG_GROUP_CANNOT_GET_BASE;
      String message = getMessage(msgID, String.valueOf(e));
      throw new ConfigException(msgID, message, e);
    }
  }
    if (baseEntry == null)
  /**
   * {@inheritDoc}
   */
  public boolean isConfigurationAddAcceptable(
                      GroupImplementationCfg configuration,
                      List<String> unacceptableReasons)
  {
    if (configuration.isEnabled())
    {
      // The group implementation base entry does not exist.  This is not
      // acceptable, so throw an exception.
      int    msgID   = MSGID_CONFIG_GROUP_BASE_DOES_NOT_EXIST;
      String message = getMessage(msgID);
      throw new ConfigException(msgID, message);
    }
    // Register add and delete listeners with the group implementation base
    // entry.  We don't care about modifications to it.
    baseEntry.registerAddListener(this);
    baseEntry.registerDeleteListener(this);
    // See if the base entry has any children.  If not, then we don't need to do
    // anything else.
    if (! baseEntry.hasChildren())
    {
      return;
    }
    // Iterate through the child entries and process them as group
    // implementation configuration entries.
    for (ConfigEntry childEntry : baseEntry.getChildren().values())
    {
      childEntry.registerChangeListener(this);
      StringBuilder unacceptableReason = new StringBuilder();
      if (! configAddIsAcceptable(childEntry, unacceptableReason))
      {
        logError(ErrorLogCategory.CONFIGURATION, ErrorLogSeverity.SEVERE_ERROR,
                 MSGID_CONFIG_GROUP_ENTRY_UNACCEPTABLE,
                 childEntry.getDN().toString(), unacceptableReason.toString());
        continue;
      }
      // Get the name of the class and make sure we can instantiate it as a
      // group implementation.
      String className = configuration.getGroupClass();
      try
      {
        ConfigChangeResult result = applyConfigurationAdd(childEntry);
        if (result.getResultCode() != ResultCode.SUCCESS)
        loadGroup(className, null);
      }
      catch (InitializationException ie)
      {
        unacceptableReasons.add(ie.getMessage());
        return false;
      }
    }
    // If we've gotten here, then it's fine.
    return true;
  }
  /**
   * {@inheritDoc}
   */
  public ConfigChangeResult applyConfigurationAdd(
                                 GroupImplementationCfg configuration)
  {
    ResultCode        resultCode          = ResultCode.SUCCESS;
    boolean           adminActionRequired = false;
    ArrayList<String> messages            = new ArrayList<String>();
    configuration.addChangeListener(this);
    if (! configuration.isEnabled())
    {
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    Group group = null;
    // Get the name of the class and make sure we can instantiate it as a group
    // implementation.
    String className = configuration.getGroupClass();
    try
    {
      group = loadGroup(className, configuration);
    }
    catch (InitializationException ie)
    {
      if (resultCode == ResultCode.SUCCESS)
      {
        resultCode = DirectoryServer.getServerErrorResultCode();
      }
      messages.add(ie.getMessage());
    }
    if (resultCode == ResultCode.SUCCESS)
    {
      groupImplementations.put(configuration.dn(), group);
    }
    // FIXME -- We need to make sure to find all groups of this type in the
    // server before returning.
    return new ConfigChangeResult(resultCode, adminActionRequired, messages);
  }
  /**
   * {@inheritDoc}
   */
  public boolean isConfigurationDeleteAcceptable(
                      GroupImplementationCfg configuration,
                      List<String> unacceptableReasons)
  {
    // FIXME -- We should try to perform some check to determine whether the
    // group implementation is in use.
    return true;
  }
  /**
   * {@inheritDoc}
   */
  public ConfigChangeResult applyConfigurationDelete(
                                 GroupImplementationCfg configuration)
  {
    ResultCode        resultCode          = ResultCode.SUCCESS;
    boolean           adminActionRequired = false;
    ArrayList<String> messages            = new ArrayList<String>();
    Group group = groupImplementations.remove(configuration.dn());
    if (group != null)
    {
      Iterator<Group> iterator = groupInstances.values().iterator();
      while (iterator.hasNext())
      {
        Group g = iterator.next();
        if (g.getClass().getName().equals(group.getClass().getName()))
        {
          StringBuilder buffer = new StringBuilder();
          iterator.remove();
        }
      }
          List<String> resultMessages = result.getMessages();
          if ((resultMessages == null) || (resultMessages.isEmpty()))
          {
            buffer.append(getMessage(MSGID_CONFIG_UNKNOWN_UNACCEPTABLE_REASON));
          }
          else
          {
            Iterator<String> iterator = resultMessages.iterator();
      group.finalizeGroupImplementation();
    }
            buffer.append(iterator.next());
            while (iterator.hasNext())
    return new ConfigChangeResult(resultCode, adminActionRequired, messages);
  }
  /**
   * {@inheritDoc}
   */
  public boolean isConfigurationChangeAcceptable(
                      GroupImplementationCfg configuration,
                      List<String> unacceptableReasons)
  {
    if (configuration.isEnabled())
    {
      // Get the name of the class and make sure we can instantiate it as a
      // group implementation.
      String className = configuration.getGroupClass();
      try
      {
        loadGroup(className, null);
      }
      catch (InitializationException ie)
      {
        unacceptableReasons.add(ie.getMessage());
        return false;
      }
    }
    // If we've gotten here, then it's fine.
    return true;
  }
  /**
   * {@inheritDoc}
   */
  public ConfigChangeResult applyConfigurationChange(
                                 GroupImplementationCfg configuration)
  {
    ResultCode        resultCode          = ResultCode.SUCCESS;
    boolean           adminActionRequired = false;
    ArrayList<String> messages            = new ArrayList<String>();
    // Get the existing group implementation if it's already enabled.
    Group existingGroup = groupImplementations.get(configuration.dn());
    // If the new configuration has the group implementation disabled, then
    // disable it if it is enabled, or do nothing if it's already disabled.
    if (! configuration.isEnabled())
    {
      if (existingGroup != null)
      {
        Group group = groupImplementations.remove(configuration.dn());
        if (group != null)
        {
          Iterator<Group> iterator = groupInstances.values().iterator();
          while (iterator.hasNext())
          {
            Group g = iterator.next();
            if (g.getClass().getName().equals(group.getClass().getName()))
            {
              buffer.append(EOL);
              buffer.append(iterator.next());
              iterator.remove();
            }
          }
          logError(ErrorLogCategory.CONFIGURATION,
                   ErrorLogSeverity.SEVERE_ERROR,
                   MSGID_CONFIG_GROUP_CANNOT_CREATE_IMPLEMENTATION,
                   childEntry.getDN().toString(), buffer.toString());
          group.finalizeGroupImplementation();
        }
      }
      catch (Exception e)
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    // Get the class for the group implementation.  If the group is already
    // enabled, then we shouldn't do anything with it although if the class has
    // changed then we'll at least need to indicate that administrative action
    // is required.  If the group implementation is disabled, then instantiate
    // the class and initialize and register it as a group implementation.
    String className = configuration.getGroupClass();
    if (existingGroup != null)
    {
      if (! className.equals(existingGroup.getClass().getName()))
      {
        logError(ErrorLogCategory.CONFIGURATION, ErrorLogSeverity.SEVERE_ERROR,
                 MSGID_CONFIG_GROUP_CANNOT_CREATE_IMPLEMENTATION,
                 childEntry.getDN().toString(), String.valueOf(e));
        adminActionRequired = true;
      }
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    Group group = null;
    try
    {
      group = loadGroup(className, configuration);
    }
    catch (InitializationException ie)
    {
      if (resultCode == ResultCode.SUCCESS)
      {
        resultCode = DirectoryServer.getServerErrorResultCode();
      }
      messages.add(ie.getMessage());
    }
    if (resultCode == ResultCode.SUCCESS)
    {
      groupImplementations.put(configuration.dn(), group);
    }
    // FIXME -- We need to make sure to find all groups of this type in the
    // server before returning.
    return new ConfigChangeResult(resultCode, adminActionRequired, messages);
  }
  /**
   * Loads the specified class, instantiates it as a group implementation, and
   * optionally initializes that instance.
   *
   * @param  className      The fully-qualified name of the group implementation
   *                        class to load, instantiate, and initialize.
   * @param  configuration  The configuration to use to initialize the group
   *                        implementation, or {@code null} if the group
   *                        implementation should not be initialized.
   *
   * @return  The possibly initialized group implementation.
   *
   * @throws  InitializationException  If a problem occurred while attempting to
   *                                   initialize the group implementation.
   */
  private Group loadGroup(String className,
                          GroupImplementationCfg configuration)
          throws InitializationException
  {
    try
    {
      GroupImplementationCfgDefn definition =
           GroupImplementationCfgDefn.getInstance();
      ClassPropertyDefinition propertyDefinition =
           definition.getGroupClassPropertyDefinition();
      Class<? extends Group> groupClass =
           propertyDefinition.loadClass(className, Group.class);
      Group group = groupClass.newInstance();
      if (configuration != null)
      {
        Method method =
             group.getClass().getMethod("initializeGroupImplementation",
                  configuration.definition().getServerConfigurationClass());
        method.invoke(group, configuration);
      }
      return group;
    }
    catch (Exception e)
    {
      int msgID = MSGID_CONFIG_GROUP_INITIALIZATION_FAILED;
      String message = getMessage(msgID, className,
                                  String.valueOf(configuration.dn()),
                                  stackTraceToSingleLineString(e));
      throw new InitializationException(msgID, message, e);
    }
  }
@@ -313,775 +543,6 @@
  /**
   * Indicates whether the configuration entry that will result from a proposed
   * modification is acceptable to this change listener.
   *
   * @param  configEntry         The configuration entry that will result from
   *                             the requested update.
   * @param  unacceptableReason  A buffer to which this method can append a
   *                             human-readable message explaining why the
   *                             proposed change is not acceptable.
   *
   * @return  <CODE>true</CODE> if the proposed entry contains an acceptable
   *          configuration, or <CODE>false</CODE> if it does not.
   */
  public boolean configChangeIsAcceptable(ConfigEntry configEntry,
                                          StringBuilder unacceptableReason)
  {
    // Make sure that the entry has an appropriate objectclass for an extended
    // operation handler.
    if (! configEntry.hasObjectClass(OC_GROUP_IMPLEMENTATION))
    {
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_OBJECTCLASS;
      String message = getMessage(msgID, configEntry.getDN().toString());
      unacceptableReason.append(message);
      return false;
    }
    // Make sure that the entry specifies the group implementation class name.
    StringConfigAttribute classNameAttr;
    try
    {
      StringConfigAttribute classStub =
           new StringConfigAttribute(ATTR_GROUP_IMPLEMENTATION_CLASS,
                    getMessage(MSGID_CONFIG_GROUP_DESCRIPTION_CLASS_NAME),
                    true, false, true);
      classNameAttr = (StringConfigAttribute)
                      configEntry.getConfigAttribute(classStub);
      if (classNameAttr == null)
      {
        int    msgID   = MSGID_CONFIG_GROUP_NO_CLASS_NAME;
        String message = getMessage(msgID, configEntry.getDN().toString());
        unacceptableReason.append(message);
        return false;
      }
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_CLASS_NAME;
      String message = getMessage(msgID, configEntry.getDN().toString(),
                                  String.valueOf(e));
      unacceptableReason.append(message);
      return false;
    }
    Class groupClass;
    try
    {
      groupClass = DirectoryServer.loadClass(classNameAttr.pendingValue());
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_CLASS_NAME;
      String message = getMessage(msgID, configEntry.getDN().toString(),
                                  String.valueOf(e));
      unacceptableReason.append(message);
      return false;
    }
    try
    {
      Group group = (Group) groupClass.newInstance();
    }
    catch(Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_CLASS;
      String message = getMessage(msgID, groupClass.getName(),
                                  String.valueOf(configEntry.getDN()),
                                  String.valueOf(e));
      unacceptableReason.append(message);
      return false;
    }
    // See if this extended operation handler should be enabled.
    BooleanConfigAttribute enabledAttr;
    try
    {
      BooleanConfigAttribute enabledStub =
           new BooleanConfigAttribute(ATTR_GROUP_IMPLEMENTATION_ENABLED,
                    getMessage(MSGID_CONFIG_GROUP_DESCRIPTION_ENABLED),
                               false);
      enabledAttr = (BooleanConfigAttribute)
                    configEntry.getConfigAttribute(enabledStub);
      if (enabledAttr == null)
      {
        int    msgID   = MSGID_CONFIG_GROUP_NO_ENABLED_ATTR;
        String message = getMessage(msgID, configEntry.getDN().toString());
        unacceptableReason.append(message);
        return false;
      }
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_ENABLED_VALUE;
      String message = getMessage(msgID, configEntry.getDN().toString(),
                                  String.valueOf(e));
      unacceptableReason.append(message);
      return false;
    }
    // If we've gotten here then the group implementation entry appears to be
    // acceptable.
    return true;
  }
  /**
   * Attempts to apply a new configuration to this Directory Server component
   * based on the provided changed entry.
   *
   * @param  configEntry  The configuration entry that containing the updated
   *                      configuration for this component.
   *
   * @return  Information about the result of processing the configuration
   *          change.
   */
  public ConfigChangeResult applyConfigurationChange(ConfigEntry configEntry)
  {
    DN                configEntryDN       = configEntry.getDN();
    ResultCode        resultCode          = ResultCode.SUCCESS;
    boolean           adminActionRequired = false;
    ArrayList<String> messages            = new ArrayList<String>();
    // Make sure that the entry has an appropriate objectclass for a group
    // implementation.
    if (! configEntry.hasObjectClass(OC_GROUP_IMPLEMENTATION))
    {
      int msgID = MSGID_CONFIG_GROUP_INVALID_OBJECTCLASS;
      messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
      resultCode = ResultCode.UNWILLING_TO_PERFORM;
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    // Get the corresponding group implementation instance if it is active.
    Group groupImplementation = groupImplementations.get(configEntryDN);
    // See if this handler should be enabled or disabled.
    boolean needsEnabled = false;
    BooleanConfigAttribute enabledAttr;
    try
    {
      BooleanConfigAttribute enabledStub =
           new BooleanConfigAttribute(ATTR_GROUP_IMPLEMENTATION_ENABLED,
                    getMessage(MSGID_CONFIG_GROUP_DESCRIPTION_ENABLED), false);
      enabledAttr = (BooleanConfigAttribute)
                    configEntry.getConfigAttribute(enabledStub);
      if (enabledAttr == null)
      {
        int msgID = MSGID_CONFIG_GROUP_NO_ENABLED_ATTR;
        messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
        resultCode = ResultCode.UNWILLING_TO_PERFORM;
        return new ConfigChangeResult(resultCode, adminActionRequired,
                                      messages);
      }
      if (enabledAttr.activeValue())
      {
        if (groupImplementation == null)
        {
          needsEnabled = true;
        }
        else
        {
          // The group implementation is already active, so no action is
          // required.
        }
      }
      else
      {
        if (groupImplementation == null)
        {
          // The group implementation is already disabled, so no action is
          // required and we can short-circuit out of this processing.
          return new ConfigChangeResult(resultCode, adminActionRequired,
                                        messages);
        }
        else
        {
          // The group implementation is active, so it needs to be disabled.  Do
          // this and return that we were successful.
          groupImplementations.remove(configEntryDN);
          Iterator<Group> iterator = groupInstances.values().iterator();
          while (iterator.hasNext())
          {
            Group g = iterator.next();
            if (g.getClass().getName().equals(
                     groupImplementation.getClass().getName()))
            {
              iterator.remove();
            }
          }
          groupImplementation.finalizeGroupImplementation();
          return new ConfigChangeResult(resultCode, adminActionRequired,
                                        messages);
        }
      }
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int msgID = MSGID_CONFIG_GROUP_INVALID_ENABLED_VALUE;
      messages.add(getMessage(msgID, String.valueOf(configEntryDN),
                              String.valueOf(e)));
      resultCode = DirectoryServer.getServerErrorResultCode();
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    // Make sure that the entry specifies the group implementation class name.
    // If it has changed, then we will not try to dynamically apply it.
    String className;
    try
    {
      StringConfigAttribute classStub =
           new StringConfigAttribute(ATTR_GROUP_IMPLEMENTATION_CLASS,
                    getMessage(MSGID_CONFIG_GROUP_DESCRIPTION_CLASS_NAME),
                    true, false, true);
      StringConfigAttribute classNameAttr =
           (StringConfigAttribute) configEntry.getConfigAttribute(classStub);
      if (classNameAttr == null)
      {
        int msgID = MSGID_CONFIG_GROUP_NO_CLASS_NAME;
        messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
        resultCode = ResultCode.OBJECTCLASS_VIOLATION;
        return new ConfigChangeResult(resultCode, adminActionRequired,
                                      messages);
      }
      className = classNameAttr.pendingValue();
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int msgID = MSGID_CONFIG_GROUP_INVALID_CLASS_NAME;
      messages.add(getMessage(msgID, String.valueOf(configEntryDN),
                              String.valueOf(e)));
      resultCode = DirectoryServer.getServerErrorResultCode();
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    boolean classChanged = false;
    String  oldClassName = null;
    if (groupImplementation != null)
    {
      oldClassName = groupImplementation.getClass().getName();
      classChanged = (! className.equals(oldClassName));
    }
    if (classChanged)
    {
      // This will not be applied dynamically.  Add a message to the response
      // and indicate that admin action is required.
      adminActionRequired = true;
      messages.add(getMessage(MSGID_CONFIG_GROUP_CLASS_ACTION_REQUIRED,
                              String.valueOf(oldClassName),
                              String.valueOf(className),
                              String.valueOf(configEntryDN)));
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    if (needsEnabled)
    {
      try
      {
        Class groupClass = DirectoryServer.loadClass(className);
        groupImplementation = (Group) groupClass.newInstance();
      }
      catch (Exception e)
      {
        if (debugEnabled())
        {
          TRACER.debugCaught(DebugLogLevel.ERROR, e);
        }
        int msgID = MSGID_CONFIG_GROUP_INVALID_CLASS;
        messages.add(getMessage(msgID, className, String.valueOf(configEntryDN),
                                String.valueOf(e)));
        resultCode = DirectoryServer.getServerErrorResultCode();
        return new ConfigChangeResult(resultCode, adminActionRequired,
                                      messages);
      }
      try
      {
        groupImplementation.initializeGroupImplementation(configEntry);
      }
      catch (Exception e)
      {
        if (debugEnabled())
        {
          TRACER.debugCaught(DebugLogLevel.ERROR, e);
        }
        int msgID = MSGID_CONFIG_GROUP_INITIALIZATION_FAILED;
        messages.add(getMessage(msgID, className,
                                String.valueOf(configEntryDN),
                                String.valueOf(e)));
        resultCode = DirectoryServer.getServerErrorResultCode();
        return new ConfigChangeResult(resultCode, adminActionRequired,
                                      messages);
      }
      groupImplementations.put(configEntryDN, groupImplementation);
      // FIXME -- We need to make sure to find all groups of this type in the
      // server before returning.
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    // If we've gotten here, then there haven't been any changes to anything
    // that we care about.
    return new ConfigChangeResult(resultCode, adminActionRequired, messages);
  }
  /**
   * Indicates whether the configuration entry that will result from a proposed
   * add is acceptable to this add listener.
   *
   * @param  configEntry         The configuration entry that will result from
   *                             the requested add.
   * @param  unacceptableReason  A buffer to which this method can append a
   *                             human-readable message explaining why the
   *                             proposed entry is not acceptable.
   *
   * @return  <CODE>true</CODE> if the proposed entry contains an acceptable
   *          configuration, or <CODE>false</CODE> if it does not.
   */
  public boolean configAddIsAcceptable(ConfigEntry configEntry,
                                       StringBuilder unacceptableReason)
  {
    // Make sure that no entry already exists with the specified DN.
    DN configEntryDN = configEntry.getDN();
    if (groupImplementations.containsKey(configEntryDN))
    {
      int    msgID   = MSGID_CONFIG_GROUP_EXISTS;
      String message = getMessage(msgID, String.valueOf(configEntryDN));
      unacceptableReason.append(message);
      return false;
    }
    // Make sure that the entry has an appropriate objectclass for a group
    // implementation.
    if (! configEntry.hasObjectClass(OC_GROUP_IMPLEMENTATION))
    {
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_OBJECTCLASS;
      String message = getMessage(msgID, configEntry.getDN().toString());
      unacceptableReason.append(message);
      return false;
    }
    // Make sure that the entry specifies the group implementation class.
    StringConfigAttribute classNameAttr;
    try
    {
      StringConfigAttribute classStub =
           new StringConfigAttribute(ATTR_GROUP_IMPLEMENTATION_CLASS,
                    getMessage(MSGID_CONFIG_GROUP_DESCRIPTION_CLASS_NAME),
                    true, false, true);
      classNameAttr = (StringConfigAttribute)
                      configEntry.getConfigAttribute(classStub);
      if (classNameAttr == null)
      {
        int    msgID   = MSGID_CONFIG_GROUP_NO_CLASS_NAME;
        String message = getMessage(msgID, configEntry.getDN().toString());
        unacceptableReason.append(message);
        return false;
      }
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_CLASS_NAME;
      String message = getMessage(msgID, configEntry.getDN().toString(),
                                  String.valueOf(e));
      unacceptableReason.append(message);
      return false;
    }
    Class groupClass;
    try
    {
      groupClass = DirectoryServer.loadClass(classNameAttr.pendingValue());
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_CLASS_NAME;
      String message = getMessage(msgID, configEntry.getDN().toString(),
                                  String.valueOf(e));
      unacceptableReason.append(message);
      return false;
    }
    Group groupImplementation;
    try
    {
      groupImplementation = (Group) groupClass.newInstance();
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_CLASS;
      String message = getMessage(msgID, groupClass.getName(),
                                  String.valueOf(configEntryDN),
                                  String.valueOf(e));
      unacceptableReason.append(message);
      return false;
    }
    // If the handler is a configurable component, then make sure that its
    // configuration is valid.
    if (groupImplementation instanceof ConfigurableComponent)
    {
      ConfigurableComponent cc = (ConfigurableComponent) groupImplementation;
      LinkedList<String> errorMessages = new LinkedList<String>();
      if (! cc.hasAcceptableConfiguration(configEntry, errorMessages))
      {
        if (errorMessages.isEmpty())
        {
          int msgID = MSGID_CONFIG_GROUP_UNACCEPTABLE_CONFIG;
          unacceptableReason.append(getMessage(msgID,
                                               String.valueOf(configEntryDN)));
        }
        else
        {
          Iterator<String> iterator = errorMessages.iterator();
          unacceptableReason.append(iterator.next());
          while (iterator.hasNext())
          {
            unacceptableReason.append("  ");
            unacceptableReason.append(iterator.next());
          }
        }
        return false;
      }
    }
    // See if this handler should be enabled.
    BooleanConfigAttribute enabledAttr;
    try
    {
      BooleanConfigAttribute enabledStub =
           new BooleanConfigAttribute(ATTR_GROUP_IMPLEMENTATION_ENABLED,
                    getMessage(MSGID_CONFIG_GROUP_DESCRIPTION_ENABLED),
                               false);
      enabledAttr = (BooleanConfigAttribute)
                    configEntry.getConfigAttribute(enabledStub);
      if (enabledAttr == null)
      {
        int    msgID   = MSGID_CONFIG_GROUP_NO_ENABLED_ATTR;
        String message = getMessage(msgID, configEntry.getDN().toString());
        unacceptableReason.append(message);
        return false;
      }
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_ENABLED_VALUE;
      String message = getMessage(msgID, configEntry.getDN().toString(),
                                  String.valueOf(e));
      unacceptableReason.append(message);
      return false;
    }
    // If we've gotten here then the handler entry appears to be acceptable.
    return true;
  }
  /**
   * Attempts to apply a new configuration based on the provided added entry.
   *
   * @param  configEntry  The new configuration entry that contains the
   *                      configuration to apply.
   *
   * @return  Information about the result of processing the configuration
   *          change.
   */
  public ConfigChangeResult applyConfigurationAdd(ConfigEntry configEntry)
  {
    DN                configEntryDN       = configEntry.getDN();
    ResultCode        resultCode          = ResultCode.SUCCESS;
    boolean           adminActionRequired = false;
    ArrayList<String> messages            = new ArrayList<String>();
    // Make sure that the entry has an appropriate objectclass for a group
    // implementation.
    if (! configEntry.hasObjectClass(OC_GROUP_IMPLEMENTATION))
    {
      int    msgID   = MSGID_CONFIG_GROUP_INVALID_OBJECTCLASS;
      messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
      resultCode = ResultCode.UNWILLING_TO_PERFORM;
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    // See if this group implementation should be enabled or disabled.
    BooleanConfigAttribute enabledAttr;
    try
    {
      BooleanConfigAttribute enabledStub =
           new BooleanConfigAttribute(ATTR_GROUP_IMPLEMENTATION_ENABLED,
                    getMessage(MSGID_CONFIG_GROUP_DESCRIPTION_ENABLED),
                               false);
      enabledAttr = (BooleanConfigAttribute)
                    configEntry.getConfigAttribute(enabledStub);
      if (enabledAttr == null)
      {
        // The attribute doesn't exist, so it will be disabled by default.
        int msgID = MSGID_CONFIG_GROUP_NO_ENABLED_ATTR;
        messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
        resultCode = ResultCode.SUCCESS;
        return new ConfigChangeResult(resultCode, adminActionRequired,
                                      messages);
      }
      else if (! enabledAttr.activeValue())
      {
        // It is explicitly configured as disabled, so we don't need to do
        // anything.
        return new ConfigChangeResult(resultCode, adminActionRequired,
                                      messages);
      }
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int msgID = MSGID_CONFIG_GROUP_INVALID_ENABLED_VALUE;
      messages.add(getMessage(msgID, String.valueOf(configEntryDN),
                              String.valueOf(e)));
      resultCode = DirectoryServer.getServerErrorResultCode();
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    // Make sure that the entry specifies the group implementation class name.
    String className;
    try
    {
      StringConfigAttribute classStub =
           new StringConfigAttribute(ATTR_GROUP_IMPLEMENTATION_CLASS,
                    getMessage(MSGID_CONFIG_GROUP_DESCRIPTION_CLASS_NAME),
                    true, false, true);
      StringConfigAttribute classNameAttr =
           (StringConfigAttribute) configEntry.getConfigAttribute(classStub);
      if (classNameAttr == null)
      {
        int msgID = MSGID_CONFIG_GROUP_NO_CLASS_NAME;
        messages.add(getMessage(msgID, String.valueOf(configEntryDN)));
        resultCode = ResultCode.OBJECTCLASS_VIOLATION;
        return new ConfigChangeResult(resultCode, adminActionRequired,
                                      messages);
      }
      className = classNameAttr.pendingValue();
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int msgID = MSGID_CONFIG_GROUP_INVALID_CLASS_NAME;
      messages.add(getMessage(msgID, String.valueOf(configEntryDN),
                              String.valueOf(e)));
      resultCode = DirectoryServer.getServerErrorResultCode();
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    // Load and initialize the group implementation class, and register it with
    // the Directory Server.
    Group groupImplementation;
    try
    {
      Class groupClass = DirectoryServer.loadClass(className);
      groupImplementation = (Group) groupClass.newInstance();
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int msgID = MSGID_CONFIG_GROUP_INVALID_CLASS;
      messages.add(getMessage(msgID, className, String.valueOf(configEntryDN),
                              String.valueOf(e)));
      resultCode = DirectoryServer.getServerErrorResultCode();
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    try
    {
      groupImplementation.initializeGroupImplementation(configEntry);
    }
    catch (Exception e)
    {
      if (debugEnabled())
      {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      int msgID = MSGID_CONFIG_GROUP_INITIALIZATION_FAILED;
      messages.add(getMessage(msgID, className, String.valueOf(configEntryDN),
                              String.valueOf(e)));
      resultCode = DirectoryServer.getServerErrorResultCode();
      return new ConfigChangeResult(resultCode, adminActionRequired, messages);
    }
    groupImplementations.put(configEntryDN, groupImplementation);
    return new ConfigChangeResult(resultCode, adminActionRequired, messages);
  }
  /**
   * Indicates whether it is acceptable to remove the provided configuration
   * entry.
   *
   * @param  configEntry         The configuration entry that will be removed
   *                             from the configuration.
   * @param  unacceptableReason  A buffer to which this method can append a
   *                             human-readable message explaining why the
   *                             proposed delete is not acceptable.
   *
   * @return  <CODE>true</CODE> if the proposed entry may be removed from the
   *          configuration, or <CODE>false</CODE> if not.
   */
  public boolean configDeleteIsAcceptable(ConfigEntry configEntry,
                                          StringBuilder unacceptableReason)
  {
    // A delete should always be acceptable, so just return true.
    return true;
  }
  /**
   * Attempts to apply a new configuration based on the provided deleted entry.
   *
   * @param  configEntry  The new configuration entry that has been deleted.
   *
   * @return  Information about the result of processing the configuration
   *          change.
   */
  public ConfigChangeResult applyConfigurationDelete(ConfigEntry configEntry)
  {
    DN         configEntryDN       = configEntry.getDN();
    ResultCode resultCode          = ResultCode.SUCCESS;
    boolean    adminActionRequired = false;
    // See if the entry is registered as a group implementation.  If so, then
    // deregister it and remove any groups of that type.
    Group groupImplementation = groupImplementations.remove(configEntryDN);
    if (groupImplementation != null)
    {
      Iterator<Group> iterator = groupInstances.values().iterator();
      while (iterator.hasNext())
      {
        Group g = iterator.next();
        if (g.getClass().getName().equals(
                 groupImplementation.getClass().getName()))
        {
          iterator.remove();
        }
      }
      groupImplementation.finalizeGroupImplementation();
    }
    return new ConfigChangeResult(resultCode, adminActionRequired);
  }
  /**
   * {@inheritDoc}  In this case, the server will search the backend to find
   * all group instances that it may contain and register them with this group
   * manager.
opends/src/server/org/opends/server/extensions/DynamicGroup.java
@@ -34,8 +34,8 @@
import java.util.List;
import java.util.Set;
import org.opends.server.admin.std.server.GroupImplementationCfg;
import org.opends.server.api.Group;
import org.opends.server.config.ConfigEntry;
import org.opends.server.config.ConfigException;
import org.opends.server.types.Attribute;
import org.opends.server.types.AttributeType;
@@ -73,7 +73,7 @@
 * specifying the membership criteria.
 */
public class DynamicGroup
       extends Group
       extends Group<GroupImplementationCfg>
{
  /**
   * The tracer object for the debug logger.
@@ -126,7 +126,8 @@
   * {@inheritDoc}
   */
  @Override()
  public void initializeGroupImplementation(ConfigEntry configEntry)
  public void initializeGroupImplementation(
                   GroupImplementationCfg configuration)
         throws ConfigException, InitializationException
  {
    // No additional initialization is required.
opends/src/server/org/opends/server/extensions/StaticGroup.java
@@ -33,9 +33,9 @@
import java.util.LinkedList;
import java.util.List;
import org.opends.server.admin.std.server.GroupImplementationCfg;
import org.opends.server.api.Group;
import org.opends.server.core.ModifyOperation;
import org.opends.server.config.ConfigEntry;
import org.opends.server.config.ConfigException;
import org.opends.server.protocols.internal.InternalClientConnection;
import org.opends.server.types.Attribute;
@@ -77,7 +77,7 @@
 * stores the member list in the {@code uniqueMember} attribute.
 */
public class StaticGroup
       extends Group
       extends Group<GroupImplementationCfg>
{
  /**
   * The tracer object for the debug logger.
@@ -138,7 +138,8 @@
   * {@inheritDoc}
   */
  @Override()
  public void initializeGroupImplementation(ConfigEntry configEntry)
  public void initializeGroupImplementation(
                   GroupImplementationCfg configuration)
         throws ConfigException, InitializationException
  {
    // No additional initialization is required.
opends/src/server/org/opends/server/extensions/VirtualStaticGroup.java
@@ -31,9 +31,9 @@
import java.util.Collections;
import java.util.List;
import org.opends.server.admin.std.server.GroupImplementationCfg;
import org.opends.server.api.Group;
import org.opends.server.core.DirectoryServer;
import org.opends.server.config.ConfigEntry;
import org.opends.server.config.ConfigException;
import org.opends.server.types.Attribute;
import org.opends.server.types.AttributeType;
@@ -64,7 +64,7 @@
 * membership is based on membership of another group.
 */
public class VirtualStaticGroup
       extends Group
       extends Group<GroupImplementationCfg>
{
  /**
   * The tracer object for the debug logger.
@@ -117,7 +117,8 @@
   * {@inheritDoc}
   */
  @Override()
  public void initializeGroupImplementation(ConfigEntry configEntry)
  public void initializeGroupImplementation(
                   GroupImplementationCfg configuration)
         throws ConfigException, InitializationException
  {
    // No additional initialization is required.