| /* |
| * 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 |
| * |
| * https://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.api.ldap.model.schema.registries; |
| |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.lang3.ArrayUtils; |
| import org.apache.directory.api.asn1.util.Oid; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.model.exception.LdapException; |
| import org.apache.directory.api.ldap.model.schema.SchemaErrorHandler; |
| import org.apache.directory.api.ldap.model.schema.SchemaObject; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * Object identifier registry. It stores the OIDs for AT, OC, MR, LS, MRU, DSR, DCR and NF. |
| * An OID is unique, and associated with a SO. |
| * |
| * @param <T> The type of SchemaObject |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class OidRegistry<T extends SchemaObject> implements Iterable<T> |
| { |
| /** static class logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( OidRegistry.class ); |
| |
| /** Maps OID to a type of SchemaObject */ |
| private Map<String, T> byOid = new HashMap<>(); |
| |
| /** A flag indicating that the Registry is relaxed or not */ |
| private boolean isRelaxed = Registries.STRICT; |
| |
| private SchemaErrorHandler errorHandler; |
| |
| /** |
| * Tells if the given OID is present on this registry |
| * |
| * @param oid The OID to lookup |
| * @return true if the OID already exists |
| */ |
| public boolean contains( String oid ) |
| { |
| return byOid.containsKey( oid ); |
| } |
| |
| |
| /** |
| * Gets the primary name associated with an OID. The primary name is the |
| * first name specified for the OID. |
| * |
| * @param oid the object identifier |
| * @return the primary name |
| * @throws LdapException if oid does not exist |
| */ |
| public String getPrimaryName( String oid ) throws LdapException |
| { |
| SchemaObject schemaObject = byOid.get( oid ); |
| |
| if ( schemaObject != null ) |
| { |
| return schemaObject.getName(); |
| } |
| else |
| { |
| String msg = I18n.err( I18n.ERR_13741_OID_NOT_FOUND_IN_REGISTRY, oid ); |
| LdapException error = new LdapException( msg ); |
| errorHandler.handle( LOG, msg, error ); |
| throw error; |
| } |
| } |
| |
| |
| /** |
| * Gets the SchemaObject associated with an OID. |
| * |
| * @param oid the object identifier |
| * @return the associated SchemaObject |
| * @throws LdapException if oid does not exist |
| */ |
| public T getSchemaObject( String oid ) throws LdapException |
| { |
| T schemaObject = byOid.get( oid ); |
| |
| if ( schemaObject != null ) |
| { |
| return schemaObject; |
| } |
| else |
| { |
| String msg = I18n.err( I18n.ERR_13742_NO_SCHEMA_OBJECT_WITH_OID, oid ); |
| LdapException error = new LdapException( msg ); |
| errorHandler.handle( LOG, msg, error ); |
| throw error; |
| } |
| } |
| |
| |
| /** |
| * Gets the names associated with an OID. An OID is unique however it may |
| * have many names used to refer to it. A good example is the cn and |
| * commonName attribute names for OID 2.5.4.3. Within a server one name |
| * within the set must be chosen as the primary name. This is used to |
| * name certain things within the server internally. If there is more than |
| * one name then the first name is taken to be the primary. |
| * |
| * @param oid the OID for which we return the set of common names |
| * @return a sorted set of names |
| * @throws org.apache.directory.api.ldap.model.exception.LdapException if oid does not exist |
| */ |
| public List<String> getNameSet( String oid ) throws LdapException |
| { |
| SchemaObject schemaObject = byOid.get( oid ); |
| |
| if ( null == schemaObject ) |
| { |
| String msg = I18n.err( I18n.ERR_13741_OID_NOT_FOUND_IN_REGISTRY, oid ); |
| LdapException error = new LdapException( msg ); |
| errorHandler.handle( LOG, msg, error ); |
| throw error; |
| } |
| |
| List<String> names = schemaObject.getNames(); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_13756_LOOKED_UP_NAME, ArrayUtils.toString( names ), oid ) ); |
| } |
| |
| return names; |
| } |
| |
| |
| /** |
| * Lists all the OIDs within the registry. This may be a really big list. |
| * |
| * @return all the OIDs registered |
| */ |
| public Iterator<String> iteratorOids() |
| { |
| return Collections.unmodifiableSet( byOid.keySet() ).iterator(); |
| } |
| |
| |
| /** |
| * Lists all the SchemaObjects within the registry. This may be a really big list. |
| * |
| * @return all the SchemaObject registered |
| */ |
| @Override |
| public Iterator<T> iterator() |
| { |
| return byOid.values().iterator(); |
| } |
| |
| |
| /** |
| * Tells if the Registry is permissive or if it must be checked |
| * against inconsistencies. |
| * |
| * @return True if SchemaObjects can be added even if they break the consistency |
| */ |
| public boolean isRelaxed() |
| { |
| return isRelaxed; |
| } |
| |
| |
| /** |
| * Tells if the Registry is strict. |
| * |
| * @return True if SchemaObjects cannot be added if they break the consistency |
| */ |
| public boolean isStrict() |
| { |
| return !isRelaxed; |
| } |
| |
| |
| /** |
| * Change the Registry to a relaxed mode, where invalid SchemaObjects |
| * can be registered. |
| */ |
| public void setRelaxed() |
| { |
| isRelaxed = Registries.RELAXED; |
| } |
| |
| |
| /** |
| * Change the Registry to a strict mode, where invalid SchemaObjects |
| * cannot be registered. |
| */ |
| public void setStrict() |
| { |
| isRelaxed = Registries.STRICT; |
| } |
| |
| |
| public SchemaErrorHandler getErrorHandler() |
| { |
| return errorHandler; |
| } |
| |
| |
| public void setErrorHandler( SchemaErrorHandler errorHandler ) |
| { |
| this.errorHandler = errorHandler; |
| } |
| |
| |
| /** |
| * Adds an OID name pair to the registry. |
| * |
| * @param schemaObject The SchemaObject the oid belongs to |
| * @throws LdapException If something went wrong |
| */ |
| public void register( T schemaObject ) throws LdapException |
| { |
| if ( schemaObject == null ) |
| { |
| String message = I18n.err( I18n.ERR_13743_CANNOT_REGISTER_NULL_SCHEMA_OBJECT ); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( message ); |
| } |
| |
| throw new LdapException( message ); |
| } |
| |
| String oid = schemaObject.getOid(); |
| |
| if ( isStrict() ) |
| { |
| if ( !Oid.isOid( oid ) ) |
| { |
| String message = I18n.err( I18n.ERR_13744_SCHEMA_OBJECT_HAS_NO_VALID_OID ); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( message ); |
| } |
| |
| throw new LdapException( message ); |
| } |
| } |
| else |
| { |
| if ( ( oid == null ) || oid.isEmpty() ) |
| { |
| throw new LdapException( I18n.err( I18n.ERR_00003_INVALID_OID, "" ) ); |
| } |
| } |
| |
| /* |
| * Update OID Map if it does not already exist |
| */ |
| if ( byOid.containsKey( oid ) ) |
| { |
| errorHandler.handle( LOG, I18n.err( I18n.ERR_13745_SCHEMA_OBJECT_WITH_OID_ALREADY_EXIST, oid ), null ); |
| } |
| else |
| { |
| byOid.put( oid, schemaObject ); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_13742_REGISTERED_SCHEMA_OBJECT, schemaObject, oid ) ); |
| } |
| } |
| } |
| |
| |
| /** |
| * Store the given SchemaObject into the OidRegistry. Available only to |
| * the current package. A weak form (no check is done) of the register |
| * method, define for clone methods. |
| * |
| * @param schemaObject The SchemaObject to inject into the OidRegistry |
| */ |
| /* No qualifier */void put( T schemaObject ) |
| { |
| byOid.put( schemaObject.getOid(), schemaObject ); |
| } |
| |
| |
| /** |
| * Removes an oid from this registry. |
| * |
| * @param oid the numeric identifier for the object |
| * @throws LdapException if the identifier is not numeric |
| */ |
| public void unregister( String oid ) throws LdapException |
| { |
| // Removes the <OID, names> from the byOID map |
| SchemaObject removed = byOid.remove( oid ); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_13736_UNREGISTERED_SCHEMA_OBJECT, removed, oid ) ); |
| } |
| } |
| |
| |
| /** |
| * Copy the OidRegistry, without the contained values |
| * |
| * @return A new OidRegistry instance |
| */ |
| public OidRegistry<T> copy() |
| { |
| OidRegistry<T> copy = new OidRegistry<>(); |
| |
| // Clone the map |
| copy.byOid = new HashMap<>(); |
| |
| return copy; |
| } |
| |
| |
| /** |
| * @return The number of stored OIDs |
| */ |
| public int size() |
| { |
| return byOid.size(); |
| } |
| |
| |
| /** |
| * Empty the byOid map |
| */ |
| public void clear() |
| { |
| // remove all the OID |
| byOid.clear(); |
| } |
| |
| |
| /** |
| * @see Object#toString() |
| */ |
| @Override |
| public String toString() |
| { |
| StringBuilder sb = new StringBuilder(); |
| |
| if ( byOid != null ) |
| { |
| boolean isFirst = true; |
| |
| for ( Map.Entry<String, T> entry : byOid.entrySet() ) |
| { |
| if ( isFirst ) |
| { |
| isFirst = false; |
| } |
| else |
| { |
| sb.append( ", " ); |
| } |
| |
| sb.append( "<" ); |
| |
| SchemaObject schemaObject = entry.getValue(); |
| |
| if ( schemaObject != null ) |
| { |
| sb.append( schemaObject.getObjectType() ); |
| sb.append( ", " ); |
| sb.append( schemaObject.getOid() ); |
| sb.append( ", " ); |
| sb.append( schemaObject.getName() ); |
| } |
| |
| sb.append( ">" ); |
| } |
| } |
| |
| return sb.toString(); |
| } |
| } |