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Posted to commits@knox.apache.org by mo...@apache.org on 2017/09/01 13:17:47 UTC

[49/64] [partial] knox git commit: KNOX-998 - Refactoring save 1

http://git-wip-us.apache.org/repos/asf/knox/blob/af9b0c3d/gateway-demo-ldap/src/main/java/org/apache/hadoop/gateway/security/ldap/SimpleLdapDirectoryServer.java
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diff --git a/gateway-demo-ldap/src/main/java/org/apache/hadoop/gateway/security/ldap/SimpleLdapDirectoryServer.java b/gateway-demo-ldap/src/main/java/org/apache/hadoop/gateway/security/ldap/SimpleLdapDirectoryServer.java
deleted file mode 100644
index 12fe30d..0000000
--- a/gateway-demo-ldap/src/main/java/org/apache/hadoop/gateway/security/ldap/SimpleLdapDirectoryServer.java
+++ /dev/null
@@ -1,124 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.gateway.security.ldap;
-
-import org.apache.commons.io.FileUtils;
-import org.apache.directory.api.ldap.model.entry.DefaultModification;
-import org.apache.directory.api.ldap.model.entry.ModificationOperation;
-import org.apache.directory.api.ldap.model.exception.LdapException;
-import org.apache.directory.api.ldap.model.name.Dn;
-import org.apache.directory.server.core.api.CoreSession;
-import org.apache.directory.server.core.api.DirectoryService;
-import org.apache.directory.server.core.api.partition.Partition;
-import org.apache.directory.server.core.factory.DirectoryServiceFactory;
-import org.apache.directory.server.ldap.LdapServer;
-import org.apache.directory.server.protocol.shared.store.LdifFileLoader;
-import org.apache.directory.server.protocol.shared.transport.TcpTransport;
-import org.apache.directory.server.protocol.shared.transport.Transport;
-import org.apache.log4j.PropertyConfigurator;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.net.ServerSocket;
-import java.util.UUID;
-
-public class SimpleLdapDirectoryServer {
-
-  private DirectoryServiceFactory factory;
-
-  private DirectoryService service;
-
-  private LdapServer server;
-
-  public SimpleLdapDirectoryServer( String rootDn, File usersLdif, Transport... transports ) throws Exception {
-    if( !usersLdif.exists() ) {
-      throw new FileNotFoundException( usersLdif.getAbsolutePath() );
-    }
-
-    factory = new SimpleDirectoryServiceFactory();
-    factory.init( UUID.randomUUID().toString() );
-    service = factory.getDirectoryService();
-
-    enabledPosixSchema( service );
-
-    Partition partition = factory.getPartitionFactory().createPartition(
-        service.getSchemaManager(), service.getDnFactory(), "users", rootDn, 500,
-        service.getInstanceLayout().getInstanceDirectory() );
-    service.addPartition( partition );
-
-    CoreSession session = service.getAdminSession();
-    LdifFileLoader lfl = new LdifFileLoader( session, usersLdif, null );
-    lfl.execute();
-
-    server = new LdapServer();
-    server.setTransports( transports );
-    server.setDirectoryService( service );
-  }
-
-  private static void enabledPosixSchema( DirectoryService service ) throws LdapException {
-    service.getSchemaManager().getLoadedSchema( "nis" ).enable();
-    service.getAdminSession().modify(
-        new Dn( "cn=nis,ou=schema" ),
-        new DefaultModification( ModificationOperation.REPLACE_ATTRIBUTE, "m-disabled", "FALSE" ) );
-  }
-
-  public void start() throws Exception {
-    service.startup();
-    server.start();
-  }
-
-  public void stop( boolean clean ) throws Exception {
-    server.stop();
-    service.shutdown();
-    if( clean ) {
-      FileUtils.deleteDirectory( service.getInstanceLayout().getInstanceDirectory() );
-    }
-  }
-
-  public static void main( String[] args ) throws Exception {
-    PropertyConfigurator.configure( System.getProperty( "log4j.configuration" ) );
-
-    SimpleLdapDirectoryServer ldap;
-
-    File file;
-    if ( args.length < 1 ) {
-      file = new File( "conf/users.ldif" );
-    } else {
-      File dir = new File( args[0] );
-      if( !dir.exists() || !dir.isDirectory() ) {
-        throw new FileNotFoundException( dir.getAbsolutePath() );
-      }
-      file = new File( dir, "users.ldif" );
-    }
-
-    if( !file.exists() || !file.canRead() ) {
-      throw new FileNotFoundException( file.getAbsolutePath() );
-    }
-
-    int port = 33389;
-
-    // Make sure the port is free.
-    ServerSocket socket = new ServerSocket( port );
-    socket.close();
-
-    TcpTransport transport = new TcpTransport( port );
-    ldap = new SimpleLdapDirectoryServer( "dc=hadoop,dc=apache,dc=org", file, transport );
-    ldap.start();
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/knox/blob/af9b0c3d/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/BaseDirectoryService.java
----------------------------------------------------------------------
diff --git a/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/BaseDirectoryService.java b/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/BaseDirectoryService.java
new file mode 100644
index 0000000..53add76
--- /dev/null
+++ b/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/BaseDirectoryService.java
@@ -0,0 +1,2323 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ *
+ */
+package org.apache.knox.gateway.security.ldap;
+
+
+import org.apache.directory.api.ldap.codec.api.LdapApiService;
+import org.apache.directory.api.ldap.codec.api.LdapApiServiceFactory;
+import org.apache.directory.api.ldap.model.constants.AuthenticationLevel;
+import org.apache.directory.api.ldap.model.constants.SchemaConstants;
+import org.apache.directory.api.ldap.model.csn.Csn;
+import org.apache.directory.api.ldap.model.csn.CsnFactory;
+import org.apache.directory.api.ldap.model.cursor.Cursor;
+import org.apache.directory.api.ldap.model.entry.Attribute;
+import org.apache.directory.api.ldap.model.entry.DefaultEntry;
+import org.apache.directory.api.ldap.model.entry.Entry;
+import org.apache.directory.api.ldap.model.entry.Modification;
+import org.apache.directory.api.ldap.model.entry.Value;
+import org.apache.directory.api.ldap.model.exception.LdapException;
+import org.apache.directory.api.ldap.model.exception.LdapNoPermissionException;
+import org.apache.directory.api.ldap.model.exception.LdapOperationException;
+import org.apache.directory.api.ldap.model.ldif.ChangeType;
+import org.apache.directory.api.ldap.model.ldif.LdifEntry;
+import org.apache.directory.api.ldap.model.ldif.LdifReader;
+import org.apache.directory.api.ldap.model.name.Dn;
+import org.apache.directory.api.ldap.model.name.DnUtils;
+import org.apache.directory.api.ldap.model.name.Rdn;
+import org.apache.directory.api.ldap.model.schema.SchemaManager;
+import org.apache.directory.api.ldap.util.tree.DnNode;
+import org.apache.directory.api.util.DateUtils;
+import org.apache.directory.api.util.Strings;
+import org.apache.directory.api.util.exception.NotImplementedException;
+import org.apache.directory.server.constants.ServerDNConstants;
+import org.apache.directory.server.core.DefaultOperationManager;
+import org.apache.directory.server.core.admin.AdministrativePointInterceptor;
+import org.apache.directory.server.core.api.*;
+import org.apache.directory.server.core.api.administrative.AccessControlAdministrativePoint;
+import org.apache.directory.server.core.api.administrative.CollectiveAttributeAdministrativePoint;
+import org.apache.directory.server.core.api.administrative.SubschemaAdministrativePoint;
+import org.apache.directory.server.core.api.administrative.TriggerExecutionAdministrativePoint;
+import org.apache.directory.server.core.api.changelog.ChangeLog;
+import org.apache.directory.server.core.api.changelog.ChangeLogEvent;
+import org.apache.directory.server.core.api.changelog.Tag;
+import org.apache.directory.server.core.api.changelog.TaggableSearchableChangeLogStore;
+import org.apache.directory.server.core.api.event.EventService;
+import org.apache.directory.server.core.api.interceptor.BaseInterceptor;
+import org.apache.directory.server.core.api.interceptor.Interceptor;
+import org.apache.directory.server.core.api.interceptor.context.AddOperationContext;
+import org.apache.directory.server.core.api.interceptor.context.BindOperationContext;
+import org.apache.directory.server.core.api.interceptor.context.HasEntryOperationContext;
+import org.apache.directory.server.core.api.interceptor.context.LookupOperationContext;
+import org.apache.directory.server.core.api.interceptor.context.OperationContext;
+import org.apache.directory.server.core.api.journal.Journal;
+import org.apache.directory.server.core.api.partition.Partition;
+import org.apache.directory.server.core.api.partition.PartitionNexus;
+import org.apache.directory.server.core.api.schema.SchemaPartition;
+import org.apache.directory.server.core.api.subtree.SubentryCache;
+import org.apache.directory.server.core.api.subtree.SubtreeEvaluator;
+import org.apache.directory.server.core.authn.AuthenticationInterceptor;
+import org.apache.directory.server.core.authn.ppolicy.PpolicyConfigContainer;
+import org.apache.directory.server.core.authz.AciAuthorizationInterceptor;
+import org.apache.directory.server.core.authz.DefaultAuthorizationInterceptor;
+import org.apache.directory.server.core.changelog.ChangeLogInterceptor;
+import org.apache.directory.server.core.changelog.DefaultChangeLog;
+import org.apache.directory.server.core.collective.CollectiveAttributeInterceptor;
+import org.apache.directory.server.core.event.EventInterceptor;
+import org.apache.directory.server.core.exception.ExceptionInterceptor;
+import org.apache.directory.server.core.journal.DefaultJournal;
+import org.apache.directory.server.core.journal.JournalInterceptor;
+import org.apache.directory.server.core.normalization.NormalizationInterceptor;
+import org.apache.directory.server.core.operational.OperationalAttributeInterceptor;
+import org.apache.directory.server.core.referral.ReferralInterceptor;
+import org.apache.directory.server.core.schema.SchemaInterceptor;
+import org.apache.directory.server.core.security.TlsKeyGenerator;
+import org.apache.directory.server.core.shared.DefaultCoreSession;
+import org.apache.directory.server.core.shared.DefaultDnFactory;
+import org.apache.directory.server.core.shared.partition.DefaultPartitionNexus;
+import org.apache.directory.server.core.subtree.SubentryInterceptor;
+import org.apache.directory.server.core.trigger.TriggerInterceptor;
+import org.apache.directory.server.i18n.I18n;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.io.StringReader;
+import java.lang.reflect.Method;
+import java.nio.channels.FileLock;
+import java.nio.channels.OverlappingFileLockException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+
+/**
+ * Base implementation of {@link DirectoryService}.
+ * This is a copy of org.apache.directory.server.core.DefaultDirectoryService
+ * created to make showSecurityWarnings protected.  This can be removed
+ * when http://svn.apache.org/r1546144 in ApacheDS 2.0.0-M16 is available.
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class BaseDirectoryService implements DirectoryService
+{
+  /** The logger */
+  private static final Logger LOG = LoggerFactory.getLogger( BaseDirectoryService.class );
+
+  private SchemaPartition schemaPartition;
+
+  /** A reference on the SchemaManager */
+  private SchemaManager schemaManager;
+
+  /** The LDAP Codec Service */
+  private LdapApiService ldapCodecService = LdapApiServiceFactory.getSingleton();
+
+  /** the root nexus */
+  private DefaultPartitionNexus partitionNexus;
+
+  /** whether or not server is started for the first time */
+  private boolean firstStart;
+
+  /** whether or not this instance has been shutdown */
+  private boolean started;
+
+  /** the change log service */
+  private ChangeLog changeLog;
+
+  /** the journal service */
+  private Journal journal;
+
+  /**
+   * the interface used to perform various operations on this
+   * DirectoryService
+   */
+  private OperationManager operationManager = new DefaultOperationManager( this );
+
+  /** the distinguished name of the administrative user */
+  private Dn adminDn;
+
+  /** session used as admin for internal operations */
+  private CoreSession adminSession;
+
+  /** The referral manager */
+  private ReferralManager referralManager;
+
+  /** A flag to tell if the userPassword attribute's value must be hidden */
+  private boolean passwordHidden = false;
+
+  /** The service's CSN factory */
+  private CsnFactory csnFactory;
+
+  /** The directory instance replication ID */
+  private int replicaId;
+
+  /** remove me after implementation is completed */
+  private static final String PARTIAL_IMPL_WARNING =
+      "WARNING: the changelog is only partially operational and will revert\n" +
+          "state without consideration of who made the original change.  All reverting " +
+          "changes are made by the admin user.\n Furthermore the used controls are not at " +
+          "all taken into account";
+
+  /** The delay to wait between each sync on disk */
+  private long syncPeriodMillis;
+
+  /** The default delay to wait between sync on disk : 15 seconds */
+  private static final long DEFAULT_SYNC_PERIOD = 15000;
+
+  /** */
+  private Thread workerThread;
+
+  /** The default timeLimit : 100 entries */
+  public static final int MAX_SIZE_LIMIT_DEFAULT = 100;
+
+  /** The default timeLimit : 10 seconds */
+  public static final int MAX_TIME_LIMIT_DEFAULT = 10000;
+
+  /** The instance Id */
+  private String instanceId;
+
+  /** The server directory layout*/
+  private InstanceLayout instanceLayout;
+
+  /**
+   * A flag used to shutdown the VM when stopping the server. Useful
+   * when the server is standalone. If the server is embedded, we don't
+   * want to shutdown the VM
+   */
+  private boolean exitVmOnShutdown = true; // allow by default
+
+  /** A flag used to indicate that a shutdown hook has been installed */
+  private boolean shutdownHookEnabled = true; // allow by default
+
+  /** Manage anonymous access to entries other than the RootDSE */
+  private boolean allowAnonymousAccess = false; // forbid by default
+
+  /** Manage the basic access control checks */
+  private boolean accessControlEnabled; // off by default
+
+  /** Manage the operational attributes denormalization */
+  private boolean denormalizeOpAttrsEnabled; // off by default
+
+  /** The list of declared interceptors */
+  private List<Interceptor> interceptors;
+  private Map<String, Interceptor> interceptorNames;
+
+  /** A lock to protect the interceptors List */
+  private ReadWriteLock interceptorsLock = new ReentrantReadWriteLock();
+
+  /** The read and write locks */
+  private Lock readLock = interceptorsLock.readLock();
+  private Lock writeLock = interceptorsLock.writeLock();
+
+  /** A map associating a list of interceptor to each operation */
+  private Map<OperationEnum, List<String>> operationInterceptors;
+
+  /** The System partition */
+  private Partition systemPartition;
+
+  /** The set of all declared partitions */
+  private Set<Partition> partitions = new HashSet<>();
+
+  /** A list of LDIF entries to inject at startup */
+  private List<? extends LdifEntry> testEntries = new ArrayList<LdifEntry>(); // List<Attributes>
+
+  /** The event service */
+  private EventService eventService;
+
+  /** The maximum size for an incoming PDU */
+  private int maxPDUSize = Integer.MAX_VALUE;
+
+  /** the value of last successful add/update operation's CSN */
+  private String contextCsn;
+
+  /** lock file for directory service's working directory */
+  private RandomAccessFile lockFile = null;
+
+  private static final String LOCK_FILE_NAME = ".dirservice.lock";
+
+  /** the ehcache based cache service */
+  private CacheService cacheService;
+
+  /** The AccessControl AdministrativePoint cache */
+  private DnNode<AccessControlAdministrativePoint> accessControlAPCache;
+
+  /** The CollectiveAttribute AdministrativePoint cache */
+  private DnNode<CollectiveAttributeAdministrativePoint> collectiveAttributeAPCache;
+
+  /** The Subschema AdministrativePoint cache */
+  private DnNode<SubschemaAdministrativePoint> subschemaAPCache;
+
+  /** The TriggerExecution AdministrativePoint cache */
+  private DnNode<TriggerExecutionAdministrativePoint> triggerExecutionAPCache;
+
+  /** The Dn factory */
+  private DnFactory dnFactory;
+
+  /** The Subentry cache */
+  SubentryCache subentryCache = new SubentryCache();
+
+  /** The Subtree evaluator instance */
+  private SubtreeEvaluator evaluator;
+
+
+  // ------------------------------------------------------------------------
+  // Constructor
+  // ------------------------------------------------------------------------
+
+  /**
+   * Creates a new instance of the directory service.
+   */
+  public BaseDirectoryService() throws Exception
+  {
+    changeLog = new DefaultChangeLog();
+    journal = new DefaultJournal();
+    syncPeriodMillis = DEFAULT_SYNC_PERIOD;
+    csnFactory = new CsnFactory( replicaId );
+    evaluator = new SubtreeEvaluator( schemaManager );
+    setDefaultInterceptorConfigurations();
+  }
+
+
+  // ------------------------------------------------------------------------
+  // C O N F I G U R A T I O N   M E T H O D S
+  // ------------------------------------------------------------------------
+
+  public void setInstanceId( String instanceId )
+  {
+    this.instanceId = instanceId;
+  }
+
+
+  public String getInstanceId()
+  {
+    return instanceId;
+  }
+
+
+  /**
+   * Gets the {@link Partition}s used by this DirectoryService.
+   *
+   * @return the set of partitions used
+   */
+  public Set<? extends Partition> getPartitions()
+  {
+    Set<Partition> cloned = new HashSet<>();
+    cloned.addAll( partitions );
+    return cloned;
+  }
+
+
+  /**
+   * Sets {@link Partition}s used by this DirectoryService.
+   *
+   * @param partitions the partitions to used
+   */
+  public void setPartitions( Set<? extends Partition> partitions )
+  {
+    Set<Partition> cloned = new HashSet<>();
+    cloned.addAll( partitions );
+    Set<String> names = new HashSet<>();
+
+    for ( Partition partition : cloned )
+    {
+      String id = partition.getId();
+
+      if ( names.contains( id ) )
+      {
+        LOG.warn( "Encountered duplicate partition {} identifier.", id );
+      }
+
+      names.add( id );
+    }
+
+    this.partitions = cloned;
+  }
+
+
+  /**
+   * Returns <tt>true</tt> if access control checks are enabled.
+   *
+   * @return true if access control checks are enabled, false otherwise
+   */
+  public boolean isAccessControlEnabled()
+  {
+    return accessControlEnabled;
+  }
+
+
+  /**
+   * Sets whether to enable basic access control checks or not.
+   *
+   * @param accessControlEnabled true to enable access control checks, false otherwise
+   */
+  public void setAccessControlEnabled( boolean accessControlEnabled )
+  {
+    this.accessControlEnabled = accessControlEnabled;
+  }
+
+
+  /**
+   * Returns <tt>true</tt> if anonymous access is allowed on entries besides the RootDSE.
+   * If the access control subsystem is enabled then access to some entries may not be
+   * allowed even when full anonymous access is enabled.
+   *
+   * @return true if anonymous access is allowed on entries besides the RootDSE, false
+   * if anonymous access is allowed to all entries.
+   */
+  public boolean isAllowAnonymousAccess()
+  {
+    return allowAnonymousAccess;
+  }
+
+
+  /**
+   * Sets whether to allow anonymous access to entries other than the RootDSE.  If the
+   * access control subsystem is enabled then access to some entries may not be allowed
+   * even when full anonymous access is enabled.
+   *
+   * @param enableAnonymousAccess true to enable anonymous access, false to disable it
+   */
+  public void setAllowAnonymousAccess( boolean enableAnonymousAccess )
+  {
+    this.allowAnonymousAccess = enableAnonymousAccess;
+  }
+
+
+  /**
+   * Returns interceptors in the server.
+   *
+   * @return the interceptors in the server.
+   */
+  public List<Interceptor> getInterceptors()
+  {
+    List<Interceptor> cloned = new ArrayList<Interceptor>();
+
+    readLock.lock();
+
+    try
+    {
+      cloned.addAll( interceptors );
+
+      return cloned;
+    }
+    finally
+    {
+      readLock.unlock();
+    }
+  }
+
+
+  /**
+   * Returns interceptors in the server for a given operation.
+   *
+   * @return the interceptors in the server for the given operation.
+   */
+  public List<String> getInterceptors( OperationEnum operation )
+  {
+    List<String> cloned = new ArrayList<String>();
+
+    readLock.lock();
+
+    try
+    {
+      cloned.addAll( operationInterceptors.get( operation ) );
+
+      return cloned;
+    }
+    finally
+    {
+      readLock.unlock();
+    }
+
+  }
+
+
+  /**
+   * Compute the list of  to call for each operation
+   */
+  private void initOperationsList()
+  {
+    writeLock.lock();
+
+    try
+    {
+      operationInterceptors = new ConcurrentHashMap<OperationEnum, List<String>>();
+
+      for ( OperationEnum operation : OperationEnum.getOperations() )
+      {
+        List<String> operationList = new ArrayList<String>();
+
+        for ( Interceptor interceptor : interceptors )
+        {
+          gatherInterceptors( interceptor, interceptor.getClass(), operation, operationList );
+        }
+
+        operationInterceptors.put( operation, operationList );
+      }
+    }
+    finally
+    {
+      writeLock.unlock();
+    }
+  }
+
+
+  /**
+   * Recursively checks if the given interceptor can be added to the list of interceptors for a given
+   * operation and adds to the list of interceptors if it implements the respective operation
+   *
+   * @param interceptor the instance of the interceptor
+   * @param interceptorClz the class of the interceptor
+   * @param operation type of operation
+   * @param selectedInterceptorList the list of selected interceptors
+   */
+  private void gatherInterceptors( Interceptor interceptor, Class<?> interceptorClz, OperationEnum operation,
+                                   List<String> selectedInterceptorList )
+  {
+    // We stop recursing when we reach the Base class
+    if ( ( interceptorClz == null ) || ( interceptorClz == BaseInterceptor.class ) )
+    {
+      return;
+    }
+
+    // We don't call getMethods() because it would get back the default methods
+    // from the BaseInterceptor, something we don't want.
+    Method[] methods = interceptorClz.getDeclaredMethods();
+
+    for ( Method method : methods )
+    {
+      Class<?>[] param = method.getParameterTypes();
+      boolean hasCorrestSig = false;
+
+      // check for the correct signature
+      if ( ( param == null ) || ( param.length > 1 ) || ( param.length == 0 ) )
+      {
+        continue;
+      }
+
+      if ( OperationContext.class.isAssignableFrom( param[0] ) )
+      {
+        hasCorrestSig = true;
+      }
+      else
+      {
+        continue;
+      }
+
+      if ( hasCorrestSig && method.getName().equals( operation.getMethodName() ) )
+      {
+        if ( !selectedInterceptorList.contains( interceptor.getName() ) )
+        {
+          selectedInterceptorList.add( interceptor.getName() );
+        }
+
+        break;
+      }
+    }
+
+    // Recurse on extended classes, as we have used getDeclaredMethods() instead of getmethods()
+    gatherInterceptors( interceptor, interceptorClz.getSuperclass(), operation, selectedInterceptorList );
+  }
+
+
+  /**
+   * Add an interceptor to the list of interceptors to call for each operation
+   * @throws LdapException
+   */
+  private void addInterceptor( Interceptor interceptor, int position ) throws LdapException
+  {
+    // First, init the interceptor
+    interceptor.init( this );
+
+    writeLock.lock();
+
+    try
+    {
+      for ( OperationEnum operation : OperationEnum.getOperations() )
+      {
+        List<String> operationList = operationInterceptors.get( operation );
+
+        Method[] methods = interceptor.getClass().getDeclaredMethods();
+
+        for ( Method method : methods )
+        {
+          if ( method.getName().equals( operation.getMethodName() ) )
+          {
+            if ( position == -1 )
+            {
+              operationList.add( interceptor.getName() );
+            }
+            else
+            {
+              operationList.add( position, interceptor.getName() );
+            }
+
+            break;
+          }
+        }
+      }
+
+      interceptorNames.put( interceptor.getName(), interceptor );
+
+      if ( position == -1 )
+      {
+        interceptors.add( interceptor );
+      }
+      else
+      {
+        interceptors.add( position, interceptor );
+      }
+    }
+    finally
+    {
+      writeLock.unlock();
+    }
+  }
+
+
+  /**
+   * Remove an interceptor to the list of interceptors to call for each operation
+   */
+  private void removeOperationsList( String interceptorName )
+  {
+    Interceptor interceptor = interceptorNames.get( interceptorName );
+
+    writeLock.lock();
+
+    try
+    {
+      for ( OperationEnum operation : OperationEnum.getOperations() )
+      {
+        List<String> operationList = operationInterceptors.get( operation );
+
+        Method[] methods = interceptor.getClass().getDeclaredMethods();
+
+        for ( Method method : methods )
+        {
+          if ( method.getName().equals( operation.getMethodName() ) )
+          {
+            operationList.remove( interceptor.getName() );
+
+            break;
+          }
+        }
+      }
+
+      interceptorNames.remove( interceptorName );
+      interceptors.remove( interceptor );
+    }
+    finally
+    {
+      writeLock.unlock();
+    }
+  }
+
+
+  /**
+   * Sets the interceptors in the server.
+   *
+   * @param interceptors the interceptors to be used in the server.
+   */
+  public void setInterceptors( List<Interceptor> interceptors )
+  {
+    Map<String, Interceptor> interceptorNames = new HashMap<>();
+
+    // Check if we don't have duplicate names in the interceptors list
+    for ( Interceptor interceptor : interceptors )
+    {
+      if ( interceptorNames.containsKey( interceptor.getName() ) )
+      {
+        LOG.warn( "Encountered duplicate definitions for {} interceptor", interceptor.getName() );
+        continue;
+      }
+
+      interceptorNames.put( interceptor.getName(), interceptor );
+    }
+
+    this.interceptors = interceptors;
+    this.interceptorNames = interceptorNames;
+
+    // Now update the Map that connect each operation with the list of interceptors.
+    initOperationsList();
+  }
+
+
+  /**
+   * Initialize the interceptors
+   */
+  private void initInterceptors() throws LdapException
+  {
+    for ( Interceptor interceptor : interceptors )
+    {
+      interceptor.init( this );
+    }
+  }
+
+
+  /**
+   * Returns test directory entries({@link LdifEntry}) to be loaded while
+   * bootstrapping.
+   *
+   * @return test entries to load during bootstrapping
+   */
+  public List<LdifEntry> getTestEntries()
+  {
+    List<LdifEntry> cloned = new ArrayList<LdifEntry>();
+    cloned.addAll( testEntries );
+
+    return cloned;
+  }
+
+
+  /**
+   * Sets test directory entries({@link javax.naming.directory.Attributes}) to be loaded while
+   * bootstrapping.
+   *
+   * @param testEntries the test entries to load while bootstrapping
+   */
+  public void setTestEntries( List<? extends LdifEntry> testEntries )
+  {
+    //noinspection MismatchedQueryAndUpdateOfCollection
+    List<LdifEntry> cloned = new ArrayList<LdifEntry>();
+    cloned.addAll( testEntries );
+    this.testEntries = cloned;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public InstanceLayout getInstanceLayout()
+  {
+    return instanceLayout;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setInstanceLayout( InstanceLayout instanceLayout ) throws IOException
+  {
+    this.instanceLayout = instanceLayout;
+
+    // Create the directories if they are missing
+    if ( !instanceLayout.getInstanceDirectory().exists() )
+    {
+      if ( !instanceLayout.getInstanceDirectory().mkdirs() )
+      {
+        throw new IOException( I18n.err( I18n.ERR_112_COULD_NOT_CREATE_DIRECORY,
+            instanceLayout.getInstanceDirectory() ) );
+      }
+    }
+
+    if ( !instanceLayout.getLogDirectory().exists() )
+    {
+      if ( !instanceLayout.getLogDirectory().mkdirs() )
+      {
+        throw new IOException( I18n.err( I18n.ERR_112_COULD_NOT_CREATE_DIRECORY,
+            instanceLayout.getLogDirectory() ) );
+      }
+    }
+
+    if ( !instanceLayout.getRunDirectory().exists() )
+    {
+      if ( !instanceLayout.getRunDirectory().mkdirs() )
+      {
+        throw new IOException( I18n.err( I18n.ERR_112_COULD_NOT_CREATE_DIRECORY,
+            instanceLayout.getRunDirectory() ) );
+      }
+    }
+
+    if ( !instanceLayout.getPartitionsDirectory().exists() )
+    {
+      if ( !instanceLayout.getPartitionsDirectory().mkdirs() )
+      {
+        throw new IOException( I18n.err( I18n.ERR_112_COULD_NOT_CREATE_DIRECORY,
+            instanceLayout.getPartitionsDirectory() ) );
+      }
+    }
+
+    if ( !instanceLayout.getConfDirectory().exists() )
+    {
+      if ( !instanceLayout.getConfDirectory().mkdirs() )
+      {
+        throw new IOException( I18n.err( I18n.ERR_112_COULD_NOT_CREATE_DIRECORY,
+            instanceLayout.getConfDirectory() ) );
+      }
+    }
+  }
+
+
+  public void setShutdownHookEnabled( boolean shutdownHookEnabled )
+  {
+    this.shutdownHookEnabled = shutdownHookEnabled;
+  }
+
+
+  public boolean isShutdownHookEnabled()
+  {
+    return shutdownHookEnabled;
+  }
+
+
+  public void setExitVmOnShutdown( boolean exitVmOnShutdown )
+  {
+    this.exitVmOnShutdown = exitVmOnShutdown;
+  }
+
+
+  public boolean isExitVmOnShutdown()
+  {
+    return exitVmOnShutdown;
+  }
+
+
+  public void setSystemPartition( Partition systemPartition )
+  {
+    this.systemPartition = systemPartition;
+  }
+
+
+  public Partition getSystemPartition()
+  {
+    return systemPartition;
+  }
+
+
+  /**
+   * return true if the operational attributes must be normalized when returned
+   */
+  public boolean isDenormalizeOpAttrsEnabled()
+  {
+    return denormalizeOpAttrsEnabled;
+  }
+
+
+  /**
+   * Sets whether the operational attributes are denormalized when returned
+   * @param denormalizeOpAttrsEnabled The flag value
+   */
+  public void setDenormalizeOpAttrsEnabled( boolean denormalizeOpAttrsEnabled )
+  {
+    this.denormalizeOpAttrsEnabled = denormalizeOpAttrsEnabled;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public ChangeLog getChangeLog()
+  {
+    return changeLog;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public Journal getJournal()
+  {
+    return journal;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setChangeLog( ChangeLog changeLog )
+  {
+    this.changeLog = changeLog;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setJournal( Journal journal )
+  {
+    this.journal = journal;
+  }
+
+
+  public void addPartition( Partition partition ) throws Exception
+  {
+    partition.setSchemaManager( schemaManager );
+
+    try
+    {
+      // can be null when called before starting up
+      if ( partitionNexus != null )
+      {
+        partitionNexus.addContextPartition( partition );
+      }
+    }
+    catch ( LdapException le )
+    {
+      // We've got an exception, we cannot add the partition to the partitions
+      throw le;
+    }
+
+    // Now, add the partition to the set of managed partitions
+    partitions.add( partition );
+  }
+
+
+  public void removePartition( Partition partition ) throws Exception
+  {
+    // Do the backend cleanup first
+    try
+    {
+      // can be null when called before starting up
+      if ( partitionNexus != null )
+      {
+        partitionNexus.removeContextPartition( partition.getSuffixDn() );
+      }
+    }
+    catch ( LdapException le )
+    {
+      // Bad ! We can't go any further
+      throw le;
+    }
+
+    // And update the set of managed partitions
+    partitions.remove( partition );
+  }
+
+
+  // ------------------------------------------------------------------------
+  // BackendSubsystem Interface Method Implementations
+  // ------------------------------------------------------------------------
+  /**
+   * Define a default list of interceptors that has to be used if no other
+   * configuration is defined.
+   */
+  private void setDefaultInterceptorConfigurations()
+  {
+    // Set default interceptor chains
+    List<Interceptor> list = new ArrayList<Interceptor>();
+
+    list.add( new NormalizationInterceptor() );
+    list.add( new AuthenticationInterceptor() );
+    list.add( new ReferralInterceptor() );
+    list.add( new AciAuthorizationInterceptor() );
+    list.add( new DefaultAuthorizationInterceptor() );
+    list.add( new AdministrativePointInterceptor() );
+    list.add( new ExceptionInterceptor() );
+    list.add( new SchemaInterceptor() );
+    list.add( new OperationalAttributeInterceptor() );
+    list.add( new CollectiveAttributeInterceptor() );
+    list.add( new SubentryInterceptor() );
+    list.add( new EventInterceptor() );
+    list.add( new TriggerInterceptor() );
+    list.add( new ChangeLogInterceptor() );
+    list.add( new JournalInterceptor() );
+
+    setInterceptors( list );
+  }
+
+
+  public CoreSession getAdminSession()
+  {
+    return adminSession;
+  }
+
+
+  /**
+   * Get back an anonymous session
+   */
+  public CoreSession getSession()
+  {
+    return new DefaultCoreSession( new LdapPrincipal( schemaManager ), this );
+  }
+
+
+  /**
+   * Get back a session for a given principal
+   */
+  public CoreSession getSession( LdapPrincipal principal )
+  {
+    return new DefaultCoreSession( principal, this );
+  }
+
+
+  /**
+   * Get back a session for the give user and credentials bound with Simple Bind
+   */
+  public CoreSession getSession( Dn principalDn, byte[] credentials ) throws LdapException
+  {
+    synchronized ( this )
+    {
+      if ( !started )
+      {
+        throw new IllegalStateException( "Service has not started." );
+      }
+    }
+
+    BindOperationContext bindContext = new BindOperationContext( null );
+    bindContext.setCredentials( credentials );
+    bindContext.setDn( principalDn.apply( schemaManager ) );
+    bindContext.setInterceptors( getInterceptors( OperationEnum.BIND ) );
+
+    operationManager.bind( bindContext );
+
+    return bindContext.getSession();
+  }
+
+
+  /**
+   * Get back a session for a given user bound with SASL Bind
+   */
+  public CoreSession getSession( Dn principalDn, byte[] credentials, String saslMechanism, String saslAuthId )
+      throws Exception
+  {
+    synchronized ( this )
+    {
+      if ( !started )
+      {
+        throw new IllegalStateException( "Service has not started." );
+
+      }
+    }
+
+    BindOperationContext bindContext = new BindOperationContext( null );
+    bindContext.setCredentials( credentials );
+    bindContext.setDn( principalDn.apply( schemaManager ) );
+    bindContext.setSaslMechanism( saslMechanism );
+    bindContext.setInterceptors( getInterceptors( OperationEnum.BIND ) );
+
+    operationManager.bind( bindContext );
+
+    return bindContext.getSession();
+  }
+
+
+  public long revert() throws LdapException
+  {
+    if ( changeLog == null || !changeLog.isEnabled() )
+    {
+      throw new IllegalStateException( I18n.err( I18n.ERR_310 ) );
+    }
+
+    Tag latest = changeLog.getLatest();
+
+    if ( null != latest )
+    {
+      if ( latest.getRevision() < changeLog.getCurrentRevision() )
+      {
+        return revert( latest.getRevision() );
+      }
+      else
+      {
+        LOG.info( "Ignoring request to revert without changes since the latest tag." );
+        return changeLog.getCurrentRevision();
+      }
+    }
+
+    throw new IllegalStateException( I18n.err( I18n.ERR_311 ) );
+  }
+
+
+  /**
+   * We handle the ModDN/ModRDN operation for the revert here.
+   */
+  private void moddn( Dn oldDn, Dn newDn, boolean delOldRdn ) throws LdapException
+  {
+    if ( oldDn.size() == 0 )
+    {
+      throw new LdapNoPermissionException( I18n.err( I18n.ERR_312 ) );
+    }
+
+    // calculate parents
+    Dn oldBase = oldDn.getParent();
+    Dn newBase = newDn.getParent();
+
+    // Compute the Rdn for each of the Dn
+    Rdn newRdn = newDn.getRdn();
+    Rdn oldRdn = oldDn.getRdn();
+
+        /*
+         * We need to determine if this rename operation corresponds to a simple
+         * Rdn name change or a move operation.  If the two names are the same
+         * except for the Rdn then it is a simple modifyRdn operation.  If the
+         * names differ in size or have a different baseDN then the operation is
+         * a move operation.  Furthermore if the Rdn in the move operation
+         * changes it is both an Rdn change and a move operation.
+         */
+    if ( ( oldDn.size() == newDn.size() ) && oldBase.equals( newBase ) )
+    {
+      adminSession.rename( oldDn, newRdn, delOldRdn );
+    }
+    else
+    {
+      Dn target = newDn.getParent();
+
+      if ( newRdn.equals( oldRdn ) )
+      {
+        adminSession.move( oldDn, target );
+      }
+      else
+      {
+        adminSession.moveAndRename( oldDn, target, new Rdn( newRdn ), delOldRdn );
+      }
+    }
+  }
+
+
+  public long revert( long revision ) throws LdapException
+  {
+    if ( changeLog == null || !changeLog.isEnabled() )
+    {
+      throw new IllegalStateException( I18n.err( I18n.ERR_310 ) );
+    }
+
+    if ( revision < 0 )
+    {
+      throw new IllegalArgumentException( I18n.err( I18n.ERR_239 ) );
+    }
+
+    if ( revision >= changeLog.getChangeLogStore().getCurrentRevision() )
+    {
+      throw new IllegalArgumentException( I18n.err( I18n.ERR_314 ) );
+    }
+
+    Cursor<ChangeLogEvent> cursor = changeLog.getChangeLogStore().findAfter( revision );
+
+        /*
+         * BAD, BAD, BAD!!!
+         *
+         * No synchronization no nothing.  Just getting this to work for now
+         * so we can revert tests.  Any production grade use of this feature
+         * needs to synchronize on all changes while the revert is in progress.
+         *
+         * How about making this operation transactional?
+         *
+         * First of all just stop using JNDI and construct the operations to
+         * feed into the interceptor pipeline.
+         *
+         * TODO review this code.
+         */
+
+    try
+    {
+      LOG.warn( PARTIAL_IMPL_WARNING );
+      cursor.afterLast();
+
+      while ( cursor.previous() ) // apply ldifs in reverse order
+      {
+        ChangeLogEvent event = cursor.get();
+        List<LdifEntry> reverses = event.getReverseLdifs();
+
+        for ( LdifEntry reverse : reverses )
+        {
+          switch ( reverse.getChangeType().getChangeType() )
+          {
+            case ChangeType.ADD_ORDINAL:
+              adminSession.add(
+                  new DefaultEntry( schemaManager, reverse.getEntry() ), true );
+              break;
+
+            case ChangeType.DELETE_ORDINAL:
+              adminSession.delete( reverse.getDn(), true );
+              break;
+
+            case ChangeType.MODIFY_ORDINAL:
+              List<Modification> mods = reverse.getModifications();
+
+              adminSession.modify( reverse.getDn(), mods, true );
+              break;
+
+            case ChangeType.MODDN_ORDINAL:
+              // NO BREAK - both ModDN and ModRDN handling is the same
+
+            case ChangeType.MODRDN_ORDINAL:
+              Dn forwardDn = event.getForwardLdif().getDn();
+              Dn reverseDn = reverse.getDn();
+
+              moddn( reverseDn, forwardDn, reverse.isDeleteOldRdn() );
+
+              break;
+
+            default:
+              LOG.error( I18n.err( I18n.ERR_75 ) );
+              throw new NotImplementedException( I18n.err( I18n.ERR_76, reverse.getChangeType() ) );
+          }
+        }
+      }
+    }
+    catch ( Exception e )
+    {
+      throw new LdapOperationException( e.getMessage(), e );
+    }
+    finally
+    {
+      try
+      {
+        cursor.close();
+      }
+      catch ( Exception e )
+      {
+        throw new LdapOperationException( e.getMessage(), e );
+      }
+    }
+
+    return changeLog.getCurrentRevision();
+  }
+
+
+  public OperationManager getOperationManager()
+  {
+    return operationManager;
+  }
+
+
+  /**
+   * @throws Exception if the LDAP server cannot be started
+   */
+  public synchronized void startup() throws Exception
+  {
+    if ( started )
+    {
+      return;
+    }
+
+    lockWorkDir();
+
+    if ( shutdownHookEnabled )
+    {
+      Runtime.getRuntime().addShutdownHook( new Thread( new Runnable()
+      {
+        public void run()
+        {
+          try
+          {
+            shutdown();
+          }
+          catch ( Exception e )
+          {
+            LOG.warn( "Failed to shut down the directory service: "
+                + BaseDirectoryService.this.instanceId, e );
+          }
+        }
+      }, "ApacheDS Shutdown Hook (" + instanceId + ')' ) );
+
+      LOG.info( "ApacheDS shutdown hook has been registered with the runtime." );
+    }
+    else if ( LOG.isWarnEnabled() )
+    {
+      LOG.warn( "ApacheDS shutdown hook has NOT been registered with the runtime."
+          + "  This default setting for standalone operation has been overriden." );
+    }
+
+    initialize();
+    showSecurityWarnings();
+
+    // load the last stored valid CSN value
+    LookupOperationContext loc = new LookupOperationContext( getAdminSession(), systemPartition.getSuffixDn(),
+        SchemaConstants.ALL_ATTRIBUTES_ARRAY );
+
+    Entry entry = systemPartition.lookup( loc );
+
+    Attribute cntextCsnAt = entry.get( SchemaConstants.CONTEXT_CSN_AT );
+
+    if ( cntextCsnAt != null )
+    {
+      // this is a multivalued attribute but current syncrepl provider implementation stores only ONE value at ou=system
+      contextCsn = cntextCsnAt.getString();
+    }
+
+    started = true;
+
+    if ( !testEntries.isEmpty() )
+    {
+      createTestEntries();
+    }
+  }
+
+
+  public synchronized void sync() throws Exception
+  {
+    if ( !started )
+    {
+      return;
+    }
+
+    this.changeLog.sync();
+    this.partitionNexus.sync();
+  }
+
+
+  public synchronized void shutdown() throws Exception
+  {
+    LOG.debug( "+++ DirectoryService Shutdown required" );
+
+    if ( !started )
+    {
+      return;
+    }
+
+    // --------------------------------------------------------------------
+    // Shutdown the sync thread
+    // --------------------------------------------------------------------
+    LOG.debug( "--- Syncing the nexus " );
+    partitionNexus.sync();
+
+    // --------------------------------------------------------------------
+    // Shutdown the changelog
+    // --------------------------------------------------------------------
+    LOG.debug( "--- Syncing the changeLog " );
+    changeLog.sync();
+    changeLog.destroy();
+
+    // --------------------------------------------------------------------
+    // Shutdown the journal if enabled
+    // --------------------------------------------------------------------
+    if ( journal.isEnabled() )
+    {
+      LOG.debug( "--- Destroying the journal " );
+      journal.destroy();
+    }
+
+    // --------------------------------------------------------------------
+    // Shutdown the partition
+    // --------------------------------------------------------------------
+
+    LOG.debug( "--- Destroying the nexus" );
+    partitionNexus.destroy();
+
+    // Last flush...
+    LOG.debug( "--- Flushing everything before quitting" );
+    getOperationManager().lockWrite();
+    partitionNexus.sync();
+    getOperationManager().unlockWrite();
+
+    // --------------------------------------------------------------------
+    // And shutdown the server
+    // --------------------------------------------------------------------
+    LOG.debug( "--- Deleting the cache service" );
+    cacheService.destroy();
+
+    LOG.debug( "---Deleting the DnCache" );
+    dnFactory = null;
+
+    if ( lockFile != null )
+    {
+      try
+      {
+        lockFile.close();
+        // no need to delete the lock file
+      }
+      catch ( IOException e )
+      {
+        LOG.warn( "couldn't delete the lock file {}", LOCK_FILE_NAME );
+      }
+    }
+
+    LOG.debug( "+++ DirectoryService stopped" );
+    started = false;
+  }
+
+
+  /**
+   * @return The referral manager
+   */
+  public ReferralManager getReferralManager()
+  {
+    return referralManager;
+  }
+
+
+  /**
+   * Set the referralManager
+   * @param referralManager The initialized referralManager
+   */
+  public void setReferralManager( ReferralManager referralManager )
+  {
+    this.referralManager = referralManager;
+  }
+
+
+  /**
+   * @return the SchemaManager
+   */
+  public SchemaManager getSchemaManager()
+  {
+    return schemaManager;
+  }
+
+
+  /**
+   * Set the SchemaManager instance.
+   *
+   * @param schemaManager The server schemaManager
+   */
+  public void setSchemaManager( SchemaManager schemaManager )
+  {
+    this.schemaManager = schemaManager;
+  }
+
+
+  public LdapApiService getLdapCodecService()
+  {
+    return ldapCodecService;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public SchemaPartition getSchemaPartition()
+  {
+    return schemaPartition;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setSchemaPartition( SchemaPartition schemaPartition )
+  {
+    this.schemaPartition = schemaPartition;
+  }
+
+
+  public DefaultPartitionNexus getPartitionNexus()
+  {
+    return partitionNexus;
+  }
+
+
+  public boolean isFirstStart()
+  {
+    return firstStart;
+  }
+
+
+  public synchronized boolean isStarted()
+  {
+    return started;
+  }
+
+
+  public Entry newEntry( Dn dn )
+  {
+    return new DefaultEntry( schemaManager, dn );
+  }
+
+
+  /**
+   * Returns true if we had to create the bootstrap entries on the first
+   * start of the server.  Otherwise if all entries exist, meaning none
+   * had to be created, then we are not starting for the first time.
+   *
+   * @return true if the bootstrap entries had to be created, false otherwise
+   * @throws Exception if entries cannot be created
+   */
+  private boolean createBootstrapEntries() throws Exception
+  {
+    boolean firstStart = false;
+
+    // -------------------------------------------------------------------
+    // create admin entry
+    // -------------------------------------------------------------------
+
+        /*
+         * If the admin entry is there, then the database was already created
+         */
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, adminDn ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, adminDn );
+
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT,
+          SchemaConstants.TOP_OC,
+          SchemaConstants.PERSON_OC,
+          SchemaConstants.ORGANIZATIONAL_PERSON_OC,
+          SchemaConstants.INET_ORG_PERSON_OC );
+
+      serverEntry.put( SchemaConstants.UID_AT, PartitionNexus.ADMIN_UID );
+      serverEntry.put( SchemaConstants.USER_PASSWORD_AT, PartitionNexus.ADMIN_PASSWORD_BYTES );
+      serverEntry.put( SchemaConstants.DISPLAY_NAME_AT, "Directory Superuser" );
+      serverEntry.put( SchemaConstants.CN_AT, "system administrator" );
+      serverEntry.put( SchemaConstants.SN_AT, "administrator" );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.put( SchemaConstants.DISPLAY_NAME_AT, "Directory Superuser" );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      TlsKeyGenerator.addKeyPair( serverEntry );
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    // -------------------------------------------------------------------
+    // create system users area
+    // -------------------------------------------------------------------
+
+    Dn userDn = getDnFactory().create( ServerDNConstants.USERS_SYSTEM_DN );
+
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, userDn ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, userDn );
+
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT,
+          SchemaConstants.TOP_OC,
+          SchemaConstants.ORGANIZATIONAL_UNIT_OC );
+
+      serverEntry.put( SchemaConstants.OU_AT, "users" );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    // -------------------------------------------------------------------
+    // create system groups area
+    // -------------------------------------------------------------------
+
+    Dn groupDn = getDnFactory().create( ServerDNConstants.GROUPS_SYSTEM_DN );
+
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, groupDn ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, groupDn );
+
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT,
+          SchemaConstants.TOP_OC,
+          SchemaConstants.ORGANIZATIONAL_UNIT_OC );
+
+      serverEntry.put( SchemaConstants.OU_AT, "groups" );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    // -------------------------------------------------------------------
+    // create administrator group
+    // -------------------------------------------------------------------
+
+    Dn name = getDnFactory().create( ServerDNConstants.ADMINISTRATORS_GROUP_DN );
+
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, name ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, name );
+
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT,
+          SchemaConstants.TOP_OC,
+          SchemaConstants.GROUP_OF_UNIQUE_NAMES_OC );
+
+      serverEntry.put( SchemaConstants.CN_AT, "Administrators" );
+      serverEntry.put( SchemaConstants.UNIQUE_MEMBER_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    // -------------------------------------------------------------------
+    // create system configuration area
+    // -------------------------------------------------------------------
+
+    Dn configurationDn = getDnFactory().create( "ou=configuration,ou=system" );
+
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, configurationDn ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, configurationDn );
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT, SchemaConstants.TOP_OC,
+          SchemaConstants.ORGANIZATIONAL_UNIT_OC );
+
+      serverEntry.put( SchemaConstants.OU_AT, "configuration" );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    // -------------------------------------------------------------------
+    // create system configuration area for partition information
+    // -------------------------------------------------------------------
+
+    Dn partitionsDn = getDnFactory().create( "ou=partitions,ou=configuration,ou=system" );
+
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, partitionsDn ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, partitionsDn );
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT, SchemaConstants.TOP_OC,
+          SchemaConstants.ORGANIZATIONAL_UNIT_OC );
+      serverEntry.put( SchemaConstants.OU_AT, "partitions" );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    // -------------------------------------------------------------------
+    // create system configuration area for services
+    // -------------------------------------------------------------------
+
+    Dn servicesDn = getDnFactory().create( "ou=services,ou=configuration,ou=system" );
+
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, servicesDn ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, servicesDn );
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT, SchemaConstants.TOP_OC,
+          SchemaConstants.ORGANIZATIONAL_UNIT_OC );
+
+      serverEntry.put( SchemaConstants.OU_AT, "services" );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    // -------------------------------------------------------------------
+    // create system configuration area for interceptors
+    // -------------------------------------------------------------------
+
+    Dn interceptorsDn = getDnFactory().create( "ou=interceptors,ou=configuration,ou=system" );
+
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, interceptorsDn ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, interceptorsDn );
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT, SchemaConstants.TOP_OC,
+          SchemaConstants.ORGANIZATIONAL_UNIT_OC );
+
+      serverEntry.put( SchemaConstants.OU_AT, "interceptors" );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    // -------------------------------------------------------------------
+    // create system preferences area
+    // -------------------------------------------------------------------
+
+    Dn sysPrefRootDn = getDnFactory().create( ServerDNConstants.SYSPREFROOT_SYSTEM_DN );
+
+    if ( !partitionNexus.hasEntry( new HasEntryOperationContext( adminSession, sysPrefRootDn ) ) )
+    {
+      firstStart = true;
+
+      Entry serverEntry = new DefaultEntry( schemaManager, sysPrefRootDn );
+      serverEntry.put( SchemaConstants.OBJECT_CLASS_AT,
+          SchemaConstants.TOP_OC,
+          SchemaConstants.ORGANIZATIONAL_UNIT_OC,
+          SchemaConstants.EXTENSIBLE_OBJECT_OC );
+
+      serverEntry.put( "prefNodeName", "sysPrefRoot" );
+      serverEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN_NORMALIZED );
+      serverEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      serverEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      serverEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+
+      partitionNexus.add( new AddOperationContext( adminSession, serverEntry ) );
+    }
+
+    return firstStart;
+  }
+
+
+  /**
+   * Displays security warning messages if any possible secutiry issue is found.
+   * @throws Exception if there are failures parsing and accessing internal structures
+   */
+  protected void showSecurityWarnings() throws Exception
+  {
+    // Warn if the default password is not changed.
+    boolean needToChangeAdminPassword = false;
+
+    Dn adminDn = getDnFactory().create( ServerDNConstants.ADMIN_SYSTEM_DN );
+
+    Entry adminEntry = partitionNexus.lookup( new LookupOperationContext( adminSession, adminDn ) );
+    Value<?> userPassword = adminEntry.get( SchemaConstants.USER_PASSWORD_AT ).get();
+    needToChangeAdminPassword = Arrays.equals( PartitionNexus.ADMIN_PASSWORD_BYTES, userPassword.getBytes() );
+
+    if ( needToChangeAdminPassword )
+    {
+      LOG.warn( "You didn't change the admin password of directory service " + "instance '" + instanceId + "'.  "
+          + "Please update the admin password as soon as possible " + "to prevent a possible security breach." );
+    }
+  }
+
+
+  /**
+   * Adds test entries into the core.
+   *
+   * @todo this may no longer be needed when JNDI is not used for bootstrapping
+   *
+   * @throws Exception if the creation of test entries fails.
+   */
+  private void createTestEntries() throws Exception
+  {
+    for ( LdifEntry testEntry : testEntries )
+    {
+      try
+      {
+        LdifEntry ldifEntry = testEntry.clone();
+        Entry entry = ldifEntry.getEntry();
+        String dn = ldifEntry.getDn().getName();
+
+        try
+        {
+          getAdminSession().add( new DefaultEntry( schemaManager, entry ) );
+        }
+        catch ( Exception e )
+        {
+          LOG.warn( dn + " test entry already exists.", e );
+        }
+      }
+      catch ( CloneNotSupportedException cnse )
+      {
+        LOG.warn( "Cannot clone the entry ", cnse );
+      }
+    }
+  }
+
+
+  private void initializeSystemPartition() throws Exception
+  {
+    Partition system = getSystemPartition();
+
+    // Add root context entry for system partition
+    Dn systemSuffixDn = getDnFactory().create( ServerDNConstants.SYSTEM_DN );
+    CoreSession adminSession = getAdminSession();
+
+    if ( !system.hasEntry( new HasEntryOperationContext( adminSession, systemSuffixDn ) ) )
+    {
+      Entry systemEntry = new DefaultEntry( schemaManager, systemSuffixDn );
+
+      // Add the ObjectClasses
+      systemEntry.put( SchemaConstants.OBJECT_CLASS_AT, SchemaConstants.TOP_OC,
+          SchemaConstants.ORGANIZATIONAL_UNIT_OC, SchemaConstants.EXTENSIBLE_OBJECT_OC );
+
+      // Add some operational attributes
+      systemEntry.put( SchemaConstants.CREATORS_NAME_AT, ServerDNConstants.ADMIN_SYSTEM_DN );
+      systemEntry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );
+      systemEntry.add( SchemaConstants.ENTRY_CSN_AT, getCSN().toString() );
+      systemEntry.add( SchemaConstants.ENTRY_UUID_AT, UUID.randomUUID().toString() );
+      systemEntry.put( DnUtils.getRdnAttributeType( ServerDNConstants.SYSTEM_DN ), DnUtils
+          .getRdnValue( ServerDNConstants.SYSTEM_DN ) );
+
+      AddOperationContext addOperationContext = new AddOperationContext( adminSession, systemEntry );
+      system.add( addOperationContext );
+    }
+  }
+
+
+  /**
+   * Kicks off the initialization of the entire system.
+   *
+   * @throws Exception if there are problems along the way
+   */
+  private void initialize() throws Exception
+  {
+    if ( LOG.isDebugEnabled() )
+    {
+      LOG.debug( "---> Initializing the DefaultDirectoryService " );
+    }
+
+    csnFactory.setReplicaId( replicaId );
+
+    // If no interceptor list is defined, setup a default list
+    if ( interceptors == null )
+    {
+      setDefaultInterceptorConfigurations();
+    }
+
+    if ( cacheService == null )
+    {
+      // Initialize a default cache service
+      cacheService = new CacheService();
+    }
+
+    cacheService.initialize( instanceLayout );
+
+    // Initialize the AP caches
+    accessControlAPCache = new DnNode<AccessControlAdministrativePoint>();
+    collectiveAttributeAPCache = new DnNode<CollectiveAttributeAdministrativePoint>();
+    subschemaAPCache = new DnNode<SubschemaAdministrativePoint>();
+    triggerExecutionAPCache = new DnNode<TriggerExecutionAdministrativePoint>();
+
+    if ( dnFactory == null )
+    {
+      dnFactory = new DefaultDnFactory( schemaManager, cacheService.getCache( "dnCache" ) );
+    }
+
+    // triggers partition to load schema fully from schema partition
+    schemaPartition.setCacheService( cacheService );
+    schemaPartition.initialize();
+    partitions.add( schemaPartition );
+    systemPartition.setCacheService( cacheService );
+    systemPartition.getSuffixDn().apply( schemaManager );
+
+    adminDn = getDnFactory().create( ServerDNConstants.ADMIN_SYSTEM_DN );
+    adminSession = new DefaultCoreSession( new LdapPrincipal( schemaManager, adminDn, AuthenticationLevel.STRONG ),
+        this );
+
+    // @TODO - NOTE: Need to find a way to instantiate without dependency on DPN
+    partitionNexus = new DefaultPartitionNexus( new DefaultEntry( schemaManager, Dn.ROOT_DSE ) );
+    partitionNexus.setDirectoryService( this );
+    partitionNexus.initialize();
+
+    initializeSystemPartition();
+
+    // --------------------------------------------------------------------
+    // Create all the bootstrap entries before initializing chain
+    // --------------------------------------------------------------------
+
+    firstStart = createBootstrapEntries();
+
+    // Initialize the interceptors
+    initInterceptors();
+
+    // --------------------------------------------------------------------
+    // Initialize the changeLog if it's enabled
+    // --------------------------------------------------------------------
+
+    if ( changeLog.isEnabled() )
+    {
+      changeLog.init( this );
+
+      if ( changeLog.isExposed() && changeLog.isTagSearchSupported() )
+      {
+        String clSuffix = ( ( TaggableSearchableChangeLogStore ) changeLog.getChangeLogStore() ).getPartition()
+            .getSuffixDn().getName();
+        partitionNexus.getRootDse( null ).add( SchemaConstants.CHANGELOG_CONTEXT_AT, clSuffix );
+      }
+    }
+
+    // --------------------------------------------------------------------
+    // Initialize the journal if it's enabled
+    // --------------------------------------------------------------------
+    if ( journal.isEnabled() )
+    {
+      journal.init( this );
+    }
+
+    if ( LOG.isDebugEnabled() )
+    {
+      LOG.debug( "<--- DefaultDirectoryService initialized" );
+    }
+  }
+
+
+  /**
+   * Read an entry (without Dn)
+   *
+   * @param text The ldif format file
+   * @return An entry.
+   */
+  // This will suppress PMD.EmptyCatchBlock warnings in this method
+  @SuppressWarnings("PMD.EmptyCatchBlock")
+  private Entry readEntry( String text )
+  {
+    StringReader strIn = new StringReader( text );
+    BufferedReader in = new BufferedReader( strIn );
+
+    String line = null;
+    Entry entry = new DefaultEntry();
+
+    try
+    {
+      while ( ( line = in.readLine() ) != null )
+      {
+        if ( line.length() == 0 )
+        {
+          continue;
+        }
+
+        String addedLine = line.trim();
+
+        if ( Strings.isEmpty( addedLine ) )
+        {
+          continue;
+        }
+
+        Attribute attribute = LdifReader.parseAttributeValue( addedLine );
+        Attribute oldAttribute = entry.get( attribute.getId() );
+
+        if ( oldAttribute != null )
+        {
+          try
+          {
+            oldAttribute.add( attribute.get() );
+            entry.put( oldAttribute );
+          }
+          catch ( LdapException ne )
+          {
+            // Do nothing
+          }
+        }
+        else
+        {
+          try
+          {
+            entry.put( attribute );
+          }
+          catch ( LdapException ne )
+          {
+            // TODO do nothing ...
+          }
+        }
+      }
+    }
+    catch ( IOException ioe )
+    {
+      // Do nothing : we can't reach this point !
+    }
+
+    return entry;
+  }
+
+
+  /**
+   * Create a new Entry
+   *
+   * @param ldif The String representing the attributes, as a LDIF file
+   * @param dn The Dn for this new entry
+   */
+  public Entry newEntry( String ldif, String dn )
+  {
+    try
+    {
+      Entry entry = readEntry( ldif );
+      Dn newDn = getDnFactory().create( dn );
+
+      entry.setDn( newDn );
+
+      // TODO Let's get rid of this Attributes crap
+      Entry serverEntry = new DefaultEntry( schemaManager, entry );
+      return serverEntry;
+    }
+    catch ( Exception e )
+    {
+      LOG.error( I18n.err( I18n.ERR_78, ldif, dn ) );
+      // do nothing
+      return null;
+    }
+  }
+
+
+  public EventService getEventService()
+  {
+    return eventService;
+  }
+
+
+  public void setEventService( EventService eventService )
+  {
+    this.eventService = eventService;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public boolean isPasswordHidden()
+  {
+    return passwordHidden;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setPasswordHidden( boolean passwordHidden )
+  {
+    this.passwordHidden = passwordHidden;
+  }
+
+
+  /**
+   * @return The maximum allowed size for an incoming PDU
+   */
+  public int getMaxPDUSize()
+  {
+    return maxPDUSize;
+  }
+
+
+  /**
+   * Set the maximum allowed size for an incoming PDU
+   * @param maxPDUSize A positive number of bytes for the PDU. A negative or
+   * null value will be transformed to {@link Integer#MAX_VALUE}
+   */
+  public void setMaxPDUSize( int maxPDUSize )
+  {
+    if ( maxPDUSize <= 0 )
+    {
+      maxPDUSize = Integer.MAX_VALUE;
+    }
+
+    this.maxPDUSize = maxPDUSize;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public Interceptor getInterceptor( String interceptorName )
+  {
+    readLock.lock();
+
+    try
+    {
+      return interceptorNames.get( interceptorName );
+    }
+    finally
+    {
+      readLock.unlock();
+    }
+  }
+
+
+  /**
+   * {@inheritDoc}
+   * @throws LdapException
+   */
+  public void addFirst( Interceptor interceptor ) throws LdapException
+  {
+    addInterceptor( interceptor, 0 );
+  }
+
+
+  /**
+   * {@inheritDoc}
+   * @throws LdapException
+   */
+  public void addLast( Interceptor interceptor ) throws LdapException
+  {
+    addInterceptor( interceptor, -1 );
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void addAfter( String interceptorName, Interceptor interceptor )
+  {
+    writeLock.lock();
+
+    try
+    {
+      int position = 0;
+
+      // Find the position
+      for ( Interceptor inter : interceptors )
+      {
+        if ( interceptorName.equals( inter.getName() ) )
+        {
+          break;
+        }
+
+        position++;
+      }
+
+      if ( position == interceptors.size() )
+      {
+        interceptors.add( interceptor );
+      }
+      else
+      {
+        interceptors.add( position, interceptor );
+      }
+    }
+    finally
+    {
+      writeLock.unlock();
+    }
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void remove( String interceptorName )
+  {
+    removeOperationsList( interceptorName );
+  }
+
+
+  /**
+   * Get a new CSN
+   * @return The CSN generated for this directory service
+   */
+  public Csn getCSN()
+  {
+    return csnFactory.newInstance();
+  }
+
+
+  /**
+   * @return the replicaId
+   */
+  public int getReplicaId()
+  {
+    return replicaId;
+  }
+
+
+  /**
+   * @param replicaId the replicaId to set
+   */
+  public void setReplicaId( int replicaId )
+  {
+    if ( ( replicaId < 0 ) || ( replicaId > 999 ) )
+    {
+      LOG.error( I18n.err( I18n.ERR_79 ) );
+      this.replicaId = 0;
+    }
+    else
+    {
+      this.replicaId = replicaId;
+    }
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public long getSyncPeriodMillis()
+  {
+    return syncPeriodMillis;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setSyncPeriodMillis( long syncPeriodMillis )
+  {
+    this.syncPeriodMillis = syncPeriodMillis;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public String getContextCsn()
+  {
+    return contextCsn;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setContextCsn( String lastKnownCsn )
+  {
+    this.contextCsn = lastKnownCsn;
+  }
+
+
+  /**
+   * checks if the working directory is already in use by some other directory service, if yes
+   * then throws a runtime exception else will obtain the lock on the working directory
+   */
+  private void lockWorkDir()
+  {
+    FileLock fileLock = null;
+
+    try
+    {
+      lockFile = new RandomAccessFile( new File( instanceLayout.getInstanceDirectory(), LOCK_FILE_NAME ), "rw" );
+      try
+      {
+        fileLock = lockFile.getChannel().tryLock( 0, 1, false );
+      }
+      catch ( IOException e )
+      {
+        // shoudn't happen, but log
+        LOG.error( "failed to lock the work directory", e );
+      }
+      catch ( OverlappingFileLockException e ) // thrown if we can't get a lock
+      {
+        fileLock = null;
+      }
+    }
+    catch ( FileNotFoundException e )
+    {
+      // shouldn't happen, but log anyway
+      LOG.error( "failed to lock the work directory", e );
+    }
+
+    if ( ( fileLock == null ) || ( !fileLock.isValid() ) )
+    {
+      String message = "the working directory " + instanceLayout.getRunDirectory()
+          + " has been locked by another directory service.";
+      LOG.error( message );
+      throw new RuntimeException( message );
+    }
+
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public CacheService getCacheService()
+  {
+    return cacheService;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public DnNode<AccessControlAdministrativePoint> getAccessControlAPCache()
+  {
+    return accessControlAPCache;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public DnNode<CollectiveAttributeAdministrativePoint> getCollectiveAttributeAPCache()
+  {
+    return collectiveAttributeAPCache;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public DnNode<SubschemaAdministrativePoint> getSubschemaAPCache()
+  {
+    return subschemaAPCache;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public DnNode<TriggerExecutionAdministrativePoint> getTriggerExecutionAPCache()
+  {
+    return triggerExecutionAPCache;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public boolean isPwdPolicyEnabled()
+  {
+    AuthenticationInterceptor authenticationInterceptor = (AuthenticationInterceptor) getInterceptor( InterceptorEnum.AUTHENTICATION_INTERCEPTOR
+        .getName() );
+
+    if ( authenticationInterceptor == null )
+    {
+      return false;
+    }
+
+    PpolicyConfigContainer pwdPolicyContainer = authenticationInterceptor.getPwdPolicyContainer();
+
+    return ( ( pwdPolicyContainer != null )
+        && ( ( pwdPolicyContainer.getDefaultPolicy() != null )
+        || ( pwdPolicyContainer.hasCustomConfigs() ) ) );
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public DnFactory getDnFactory()
+  {
+    return dnFactory;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setDnFactory( DnFactory dnFactory )
+  {
+    this.dnFactory = dnFactory;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public SubentryCache getSubentryCache()
+  {
+    return subentryCache;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public SubtreeEvaluator getEvaluator()
+  {
+    return evaluator;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setCacheService( CacheService cacheService )
+  {
+    this.cacheService = cacheService;
+  }
+
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/knox/blob/af9b0c3d/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/BaseDirectoryServiceFactory.java
----------------------------------------------------------------------
diff --git a/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/BaseDirectoryServiceFactory.java b/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/BaseDirectoryServiceFactory.java
new file mode 100644
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--- /dev/null
+++ b/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/BaseDirectoryServiceFactory.java
@@ -0,0 +1,290 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.knox.gateway.security.ldap;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.directory.api.ldap.model.constants.SchemaConstants;
+import org.apache.directory.api.ldap.model.schema.LdapComparator;
+import org.apache.directory.api.ldap.model.schema.SchemaManager;
+import org.apache.directory.api.ldap.model.schema.comparators.NormalizingComparator;
+import org.apache.directory.api.ldap.model.schema.registries.ComparatorRegistry;
+import org.apache.directory.api.ldap.model.schema.registries.SchemaLoader;
+import org.apache.directory.api.ldap.schemaextractor.SchemaLdifExtractor;
+import org.apache.directory.api.ldap.schemaextractor.impl.DefaultSchemaLdifExtractor;
+import org.apache.directory.api.ldap.schemaloader.LdifSchemaLoader;
+import org.apache.directory.api.ldap.schemamanager.impl.DefaultSchemaManager;
+import org.apache.directory.api.util.exception.Exceptions;
+import org.apache.directory.server.constants.ServerDNConstants;
+import org.apache.directory.server.core.DefaultDirectoryService;
+import org.apache.directory.server.core.api.CacheService;
+import org.apache.directory.server.core.api.DirectoryService;
+import org.apache.directory.server.core.api.InstanceLayout;
+import org.apache.directory.server.core.api.partition.Partition;
+import org.apache.directory.server.core.api.schema.SchemaPartition;
+import org.apache.directory.server.core.factory.DefaultDirectoryServiceFactory;
+import org.apache.directory.server.core.factory.DirectoryServiceFactory;
+import org.apache.directory.server.core.factory.JdbmPartitionFactory;
+import org.apache.directory.server.core.factory.PartitionFactory;
+import org.apache.directory.server.core.partition.ldif.LdifPartition;
+import org.apache.directory.server.i18n.I18n;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+
+/**
+ * A Default factory for DirectoryService.
+ * This is a copy of org.apache.directory.server.core.factory.DefaultDirectoryServiceFactory
+ * created to control how the DirectoryService is created.  This can be removed
+ * when http://svn.apache.org/r1546144 in ApacheDS 2.0.0-M16 is available.
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class BaseDirectoryServiceFactory implements DirectoryServiceFactory
+{
+  /** A logger for this class */
+  private static final Logger LOG = LoggerFactory.getLogger( DefaultDirectoryServiceFactory.class );
+
+  /** The directory service. */
+  private DirectoryService directoryService;
+
+  /** The partition factory. */
+  private PartitionFactory partitionFactory;
+
+
+  public BaseDirectoryServiceFactory()
+  {
+    directoryService = createDirectoryService();
+    partitionFactory = createPartitionFactory();
+  }
+
+  protected DirectoryService createDirectoryService() {
+    DirectoryService result;
+    try
+    {
+      // Creating the instance here so that
+      // we we can set some properties like accesscontrol, anon access
+      // before starting up the service
+      result = new DefaultDirectoryService();
+
+      // No need to register a shutdown hook during tests because this
+      // starts a lot of threads and slows down test execution
+      result.setShutdownHookEnabled( false );
+    }
+    catch ( Exception e )
+    {
+      throw new RuntimeException( e );
+    }
+    return result;
+  }
+
+  protected PartitionFactory createPartitionFactory() {
+    PartitionFactory result;
+    try
+    {
+      String typeName = System.getProperty( "apacheds.partition.factory" );
+      if ( typeName != null )
+      {
+        Class<? extends PartitionFactory> type = ( Class<? extends PartitionFactory> ) Class.forName( typeName );
+        result = type.newInstance();
+      }
+      else
+      {
+        result = new JdbmPartitionFactory();
+      }
+    }
+    catch ( Exception e )
+    {
+      LOG.error( "Error instantiating custom partition factory", e );
+      throw new RuntimeException( e );
+    }
+    return result;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public void init( String name ) throws Exception
+  {
+    if ( ( directoryService != null ) && directoryService.isStarted() )
+    {
+      return;
+    }
+
+    build( name );
+  }
+
+
+  /**
+   * Build the working directory
+   */
+  private void buildInstanceDirectory( String name ) throws IOException
+  {
+    String instanceDirectory = System.getProperty( "workingDirectory" );
+
+    if ( instanceDirectory == null )
+    {
+      instanceDirectory = System.getProperty( "java.io.tmpdir" ) + "/server-work-" + name;
+    }
+
+    InstanceLayout instanceLayout = new InstanceLayout( instanceDirectory );
+
+    if ( instanceLayout.getInstanceDirectory().exists() )
+    {
+      try
+      {
+        FileUtils.deleteDirectory( instanceLayout.getInstanceDirectory() );
+      }
+      catch ( IOException e )
+      {
+        LOG.warn( "couldn't delete the instance directory before initializing the DirectoryService", e );
+      }
+    }
+
+    directoryService.setInstanceLayout( instanceLayout );
+  }
+
+
+  /**
+   * Inits the schema and schema partition.
+   */
+  private void initSchema() throws Exception
+  {
+    File workingDirectory = directoryService.getInstanceLayout().getPartitionsDirectory();
+
+    // Extract the schema on disk (a brand new one) and load the registries
+    File schemaRepository = new File( workingDirectory, "schema" );
+    SchemaLdifExtractor extractor = new DefaultSchemaLdifExtractor( workingDirectory );
+
+    try
+    {
+      extractor.extractOrCopy();
+    }
+    catch ( IOException ioe )
+    {
+      // The schema has already been extracted, bypass
+    }
+
+    SchemaLoader loader = new LdifSchemaLoader( schemaRepository );
+    SchemaManager schemaManager = new DefaultSchemaManager( loader );
+
+    // We have to load the schema now, otherwise we won't be able
+    // to initialize the Partitions, as we won't be able to parse
+    // and normalize their suffix Dn
+    schemaManager.loadAllEnabled();
+
+    // Tell all the normalizer comparators that they should not normalize anything
+    ComparatorRegistry comparatorRegistry = schemaManager.getComparatorRegistry();
+
+    for ( LdapComparator<?> comparator : comparatorRegistry )
+    {
+      if ( comparator instanceof NormalizingComparator )
+      {
+        ( ( NormalizingComparator ) comparator ).setOnServer();
+      }
+    }
+
+    directoryService.setSchemaManager( schemaManager );
+
+    // Init the LdifPartition
+    LdifPartition ldifPartition = new LdifPartition( schemaManager, directoryService.getDnFactory() );
+    ldifPartition.setPartitionPath( new File( workingDirectory, "schema" ).toURI() );
+    SchemaPartition schemaPartition = new SchemaPartition( schemaManager );
+    schemaPartition.setWrappedPartition( ldifPartition );
+    directoryService.setSchemaPartition( schemaPartition );
+
+    List<Throwable> errors = schemaManager.getErrors();
+
+    if ( errors.size() != 0 )
+    {
+      throw new Exception( I18n.err( I18n.ERR_317, Exceptions.printErrors( errors ) ) );
+    }
+  }
+
+
+  /**
+   * Inits the system partition.
+   *
+   * @throws Exception the exception
+   */
+  private void initSystemPartition() throws Exception
+  {
+    // change the working directory to something that is unique
+    // on the system and somewhere either under target directory
+    // or somewhere in a temp area of the machine.
+
+    // Inject the System Partition
+    Partition systemPartition = partitionFactory.createPartition(
+        directoryService.getSchemaManager(),
+        directoryService.getDnFactory(),
+        "system",
+        ServerDNConstants.SYSTEM_DN,
+        500,
+        new File( directoryService.getInstanceLayout().getPartitionsDirectory(), "system" ) );
+    systemPartition.setSchemaManager( directoryService.getSchemaManager() );
+
+    partitionFactory.addIndex( systemPartition, SchemaConstants.OBJECT_CLASS_AT, 100 );
+
+    directoryService.setSystemPartition( systemPartition );
+  }
+
+
+  /**
+   * Builds the directory server instance.
+   *
+   * @param name the instance name
+   */
+  private void build( String name ) throws Exception
+  {
+    directoryService.setInstanceId( name );
+    buildInstanceDirectory( name );
+
+    CacheService cacheService = new CacheService();
+    cacheService.initialize( directoryService.getInstanceLayout() );
+
+    directoryService.setCacheService( cacheService );
+
+    // Init the service now
+    initSchema();
+    initSystemPartition();
+
+    directoryService.startup();
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public DirectoryService getDirectoryService() throws Exception
+  {
+    return directoryService;
+  }
+
+
+  /**
+   * {@inheritDoc}
+   */
+  public PartitionFactory getPartitionFactory() throws Exception
+  {
+    return partitionFactory;
+  }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/knox/blob/af9b0c3d/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/SimpleDirectoryService.java
----------------------------------------------------------------------
diff --git a/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/SimpleDirectoryService.java b/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/SimpleDirectoryService.java
new file mode 100644
index 0000000..69cdb3c
--- /dev/null
+++ b/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/SimpleDirectoryService.java
@@ -0,0 +1,29 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.knox.gateway.security.ldap;
+
+public class SimpleDirectoryService extends BaseDirectoryService {
+
+  public SimpleDirectoryService() throws Exception {
+  }
+
+  protected void showSecurityWarnings() throws Exception {
+    // NoOp - This prevents confusing warnings from being output.
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/knox/blob/af9b0c3d/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/SimpleDirectoryServiceFactory.java
----------------------------------------------------------------------
diff --git a/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/SimpleDirectoryServiceFactory.java b/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/SimpleDirectoryServiceFactory.java
new file mode 100644
index 0000000..a25355b
--- /dev/null
+++ b/gateway-demo-ldap/src/main/java/org/apache/knox/gateway/security/ldap/SimpleDirectoryServiceFactory.java
@@ -0,0 +1,34 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.knox.gateway.security.ldap;
+
+import org.apache.directory.server.core.api.DirectoryService;
+
+public class SimpleDirectoryServiceFactory extends BaseDirectoryServiceFactory {
+
+  protected DirectoryService createDirectoryService() {
+    DirectoryService result;
+    try {
+      result = new SimpleDirectoryService();
+    } catch( Exception e ) {
+      throw new RuntimeException( e );
+    }
+    return result;
+  }
+
+}