| /* |
| * 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.directory.server.core.schema.registries.synchronizers; |
| |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.directory.server.core.interceptor.context.ModifyOperationContext; |
| import org.apache.directory.server.i18n.I18n; |
| import org.apache.directory.shared.ldap.model.constants.MetaSchemaConstants; |
| import org.apache.directory.shared.ldap.model.constants.SchemaConstants; |
| import org.apache.directory.shared.ldap.model.entry.Entry; |
| import org.apache.directory.shared.ldap.model.exception.LdapException; |
| import org.apache.directory.shared.ldap.model.exception.LdapInvalidDnException; |
| import org.apache.directory.shared.ldap.model.exception.LdapUnwillingToPerformException; |
| import org.apache.directory.shared.ldap.model.message.ResultCodeEnum; |
| import org.apache.directory.shared.ldap.model.name.Dn; |
| import org.apache.directory.shared.ldap.model.name.Rdn; |
| import org.apache.directory.shared.ldap.model.schema.MutableAttributeTypeImpl; |
| import org.apache.directory.shared.ldap.model.schema.MatchingRule; |
| import org.apache.directory.shared.ldap.model.schema.MutableLdapSyntax; |
| import org.apache.directory.shared.ldap.model.schema.SchemaManager; |
| import org.apache.directory.shared.ldap.model.schema.SchemaObject; |
| import org.apache.directory.shared.ldap.model.schema.registries.Schema; |
| import org.apache.directory.shared.util.Strings; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * A syntax specific registry synchronizer which responds to syntax entry |
| * changes in the DIT to update the syntax registry. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class SyntaxSynchronizer extends AbstractRegistrySynchronizer |
| { |
| /** A logger for this class */ |
| private static final Logger LOG = LoggerFactory.getLogger( SyntaxSynchronizer.class ); |
| |
| |
| /** |
| * Creates a new instance of SyntaxSynchronizer. |
| * |
| * @param schemaManager The global schemaManager |
| * @throws Exception If the initialization failed |
| */ |
| public SyntaxSynchronizer( SchemaManager schemaManager ) throws Exception |
| { |
| super( schemaManager ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean modify( ModifyOperationContext modifyContext, Entry targetEntry, boolean cascade ) |
| throws LdapException |
| { |
| Dn name = modifyContext.getDn(); |
| Entry entry = modifyContext.getEntry(); |
| String oid = getOid( entry ); |
| MutableLdapSyntax syntax = factory.getSyntax( schemaManager, targetEntry, schemaManager.getRegistries(), |
| getSchemaName( name ) ); |
| String schemaName = getSchemaName( entry.getDn() ); |
| |
| if ( isSchemaEnabled( schemaName ) ) |
| { |
| schemaManager.unregisterLdapSyntax( oid ); |
| schemaManager.add( syntax ); |
| |
| return SCHEMA_MODIFIED; |
| } |
| |
| return SCHEMA_UNCHANGED; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void add( Entry entry ) throws LdapException |
| { |
| Dn dn = entry.getDn(); |
| Dn parentDn = dn.getParent(); |
| |
| // The parent Dn must be ou=syntaxes,cn=<schemaName>,ou=schema |
| checkParent( parentDn, schemaManager, SchemaConstants.SYNTAX ); |
| |
| // The new schemaObject's OID must not already exist |
| checkOidIsUnique( entry ); |
| |
| // Build the new Syntax from the given entry |
| String schemaName = getSchemaName( dn ); |
| |
| MutableLdapSyntax syntax = factory.getSyntax( schemaManager, entry, schemaManager.getRegistries(), schemaName ); |
| |
| // At this point, the constructed Syntax has not been checked against the |
| // existing Registries. It may be broken (missing SUP, or such), it will be checked |
| // there, if the schema and the Syntax are both enabled. |
| Schema schema = schemaManager.getLoadedSchema( schemaName ); |
| |
| if ( schema.isEnabled() && syntax.isEnabled() ) |
| { |
| if ( schemaManager.add( syntax ) ) |
| { |
| LOG.debug( "Added {} into the enabled schema {}", dn.getName(), schemaName ); |
| } |
| else |
| { |
| // We have some error : reject the addition and get out |
| String msg = I18n.err( I18n.ERR_399, entry.getDn().getName(), |
| Strings.listToString(schemaManager.getErrors()) ); |
| LOG.info( msg ); |
| throw new LdapUnwillingToPerformException( ResultCodeEnum.UNWILLING_TO_PERFORM, msg ); |
| } |
| } |
| else |
| { |
| LOG.debug( "The Syntax {} cannot be added in the disabled schema {}", dn.getName(), schemaName ); |
| } |
| } |
| |
| |
| /** |
| * Check if a syntax is used by an AT or a MR |
| */ |
| private List<SchemaObject> checkInUse( String oid ) |
| { |
| List<SchemaObject> dependees = new ArrayList<SchemaObject>(); |
| |
| for ( MutableAttributeTypeImpl attributeType : schemaManager.getAttributeTypeRegistry() ) |
| { |
| if ( oid.equals( attributeType.getSyntax().getOid() ) ) |
| { |
| dependees.add( attributeType ); |
| } |
| } |
| |
| for ( MatchingRule matchingRule : schemaManager.getMatchingRuleRegistry() ) |
| { |
| if ( oid.equals( matchingRule.getSyntax().getOid() ) ) |
| { |
| dependees.add( matchingRule ); |
| } |
| } |
| |
| return dependees; |
| } |
| |
| |
| /** |
| * Get the list of SchemaObject's name using a given syntax |
| */ |
| private String getNames( List<SchemaObject> schemaObjects ) |
| { |
| StringBuilder sb = new StringBuilder(); |
| boolean isFirst = true; |
| |
| for ( SchemaObject schemaObject : schemaObjects ) |
| { |
| if ( isFirst ) |
| { |
| isFirst = false; |
| } |
| else |
| { |
| sb.append( ", " ); |
| } |
| |
| sb.append( schemaObject.getName() ); |
| } |
| |
| return sb.toString(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void delete( Entry entry, boolean cascade ) throws LdapException |
| { |
| Dn dn = entry.getDn(); |
| Dn parentDn = dn.getParent(); |
| |
| // The parent Dn must be ou=syntaxes,cn=<schemaName>,ou=schema |
| checkParent( parentDn, schemaManager, SchemaConstants.SYNTAX ); |
| |
| // Get the Syntax from the given entry ( it has been grabbed from the server earlier) |
| String schemaName = getSchemaName( entry.getDn() ); |
| |
| // Get the schema |
| Schema schema = schemaManager.getLoadedSchema( schemaName ); |
| |
| if ( schema.isDisabled() ) |
| { |
| // The schema is disabled, nothing to do. |
| LOG.debug( "The Syntax {} cannot be removed from the disabled schema {}.", |
| dn.getName(), schemaName ); |
| |
| return; |
| } |
| |
| // Test that the Oid exists |
| MutableLdapSyntax syntax = ( MutableLdapSyntax ) checkOidExists( entry ); |
| |
| List<Throwable> errors = new ArrayList<Throwable>(); |
| |
| if ( schema.isEnabled() && syntax.isEnabled() ) |
| { |
| if ( schemaManager.delete( syntax ) ) |
| { |
| LOG.debug( "Removed {} from the schema {}", syntax, schemaName ); |
| } |
| else |
| { |
| // We have some error : reject the deletion and get out |
| String msg = I18n.err( I18n.ERR_400, entry.getDn().getName(), |
| Strings.listToString(errors) ); |
| LOG.info( msg ); |
| throw new LdapUnwillingToPerformException( ResultCodeEnum.UNWILLING_TO_PERFORM, msg ); |
| } |
| } |
| else |
| { |
| LOG.debug( "Removed {} from the disabled schema {}", syntax, schemaName ); |
| } |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void rename( Entry entry, Rdn newRdn, boolean cascade ) throws LdapException |
| { |
| String oldOid = getOid( entry ); |
| String schemaName = getSchemaName( entry.getDn() ); |
| |
| // Check that this syntax is not used by an AttributeType |
| List<SchemaObject> dependees = checkInUse( oldOid ); |
| |
| if ( dependees.size() != 0 ) |
| { |
| throw new LdapUnwillingToPerformException( ResultCodeEnum.UNWILLING_TO_PERFORM, I18n.err( I18n.ERR_401, oldOid, |
| getNames( dependees ) ) ); |
| } |
| |
| Entry targetEntry = ( Entry ) entry.clone(); |
| String newOid = newRdn.getNormValue().getString(); |
| checkOidIsUnique( newOid ); |
| |
| targetEntry.put( MetaSchemaConstants.M_OID_AT, newOid ); |
| MutableLdapSyntax syntax = factory.getSyntax( schemaManager, targetEntry, schemaManager.getRegistries(), |
| getSchemaName( entry.getDn() ) ); |
| |
| if ( isSchemaEnabled( schemaName ) ) |
| { |
| schemaManager.unregisterLdapSyntax( oldOid ); |
| schemaManager.add( syntax ); |
| } |
| else |
| { |
| // always remove old OIDs that are not in schema anymore |
| unregisterOids( syntax ); |
| // even for disabled schemas add OIDs |
| registerOids( syntax ); |
| } |
| } |
| |
| |
| public void moveAndRename( Dn oriChildName, Dn newParentName, Rdn newRn, boolean deleteOldRn, |
| Entry entry, boolean cascade ) throws LdapException |
| { |
| checkNewParent( newParentName ); |
| String oldOid = getOid( entry ); |
| String oldSchemaName = getSchemaName( oriChildName ); |
| String newSchemaName = getSchemaName( newParentName ); |
| |
| // Check that this syntax is not used by an AttributeType |
| List<SchemaObject> dependees = checkInUse( oldOid ); |
| |
| if ( dependees.size() != 0 ) |
| { |
| throw new LdapUnwillingToPerformException( ResultCodeEnum.UNWILLING_TO_PERFORM, |
| I18n.err( I18n.ERR_401, oldOid, getNames( dependees ) ) ); |
| } |
| |
| Entry targetEntry = ( Entry ) entry.clone(); |
| String newOid = newRn.getNormValue().getString(); |
| checkOidIsUnique( newOid ); |
| |
| targetEntry.put( MetaSchemaConstants.M_OID_AT, newOid ); |
| MutableLdapSyntax syntax = factory.getSyntax( schemaManager, targetEntry, schemaManager.getRegistries(), |
| getSchemaName( newParentName ) ); |
| |
| if ( isSchemaEnabled( oldSchemaName ) ) |
| { |
| schemaManager.unregisterLdapSyntax( oldOid ); |
| } |
| else |
| { |
| unregisterOids( syntax ); |
| } |
| |
| if ( isSchemaEnabled( newSchemaName ) ) |
| { |
| schemaManager.add( syntax ); |
| } |
| else |
| { |
| // register new syntax OIDs even if schema is disabled |
| registerOids( syntax ); |
| } |
| } |
| |
| |
| public void move( Dn oriChildName, Dn newParentName, Entry entry, boolean cascade ) throws LdapException |
| { |
| checkNewParent( newParentName ); |
| String oid = getOid( entry ); |
| String oldSchemaName = getSchemaName( oriChildName ); |
| String newSchemaName = getSchemaName( newParentName ); |
| |
| // schema dep check before delete to be handled by the SchemaPartition |
| // |
| // Set<Entry> dependees = dao.listSyntaxDependents( oid ); |
| // |
| // if ( dependees != null && dependees.size() > 0 ) |
| // { |
| // throw new LdapUnwillingToPerformException( "The syntax with OID " + oid |
| // + " cannot be deleted until all entities" |
| // + " using this syntax have also been deleted. The following dependees exist: " |
| // + getOids( dependees ), |
| // ResultCodeEnum.UNWILLING_TO_PERFORM ); |
| // } |
| |
| MutableLdapSyntax syntax = factory.getSyntax( schemaManager, entry, schemaManager.getRegistries(), |
| getSchemaName( newParentName ) ); |
| |
| if ( isSchemaEnabled( oldSchemaName ) ) |
| { |
| schemaManager.unregisterLdapSyntax( oid ); |
| } |
| else |
| { |
| unregisterOids( syntax ); |
| } |
| |
| if ( isSchemaEnabled( newSchemaName ) ) |
| { |
| schemaManager.add( syntax ); |
| } |
| else |
| { |
| registerOids( syntax ); |
| } |
| } |
| |
| |
| private void checkNewParent( Dn newParent ) throws LdapException |
| { |
| if ( newParent.size() != 3 ) |
| { |
| throw new LdapInvalidDnException( ResultCodeEnum.NAMING_VIOLATION, |
| I18n.err( I18n.ERR_402 ) ); |
| } |
| |
| Rdn rdn = newParent.getRdn(); |
| if ( !schemaManager.getAttributeTypeRegistry().getOidByName( rdn.getNormType() ).equals( |
| SchemaConstants.OU_AT_OID ) ) |
| { |
| throw new LdapInvalidDnException( ResultCodeEnum.NAMING_VIOLATION, I18n.err( I18n.ERR_403 ) ); |
| } |
| |
| if ( !rdn.getNormValue().getString().equalsIgnoreCase( "syntaxes" ) ) |
| { |
| throw new LdapInvalidDnException( ResultCodeEnum.NAMING_VIOLATION, I18n.err( I18n.ERR_363 ) ); |
| } |
| } |
| } |