| /* |
| * 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.shared.ldap.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.directory.shared.asn1.primitives.OID; |
| import org.apache.directory.shared.i18n.I18n; |
| import org.apache.directory.shared.ldap.exception.LdapException; |
| import org.apache.directory.shared.ldap.schema.SchemaObject; |
| import org.apache.directory.shared.ldap.util.ArrayUtils; |
| 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. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$ |
| */ |
| public class OidRegistry implements Iterable<SchemaObject> |
| { |
| /** static class logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( OidRegistry.class ); |
| |
| /** Speedup for DEBUG mode */ |
| private static final boolean IS_DEBUG = LOG.isDebugEnabled(); |
| |
| /** Maps OID to a SchemaObject */ |
| private Map<String, SchemaObject> byOid = new HashMap<String, SchemaObject>(); |
| |
| |
| /** |
| * Tells if the given OID is present on this registry |
| * |
| * @param oid The OID to lookup |
| * @return true if the OID alreadyexists |
| */ |
| 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_04286, oid ); |
| LOG.error( msg ); |
| throw new LdapException( msg ); |
| } |
| } |
| |
| |
| /** |
| * Gets the SchemaObject associated with an OID. |
| * |
| * @param oid the object identifier |
| * @return the associated SchemaObject |
| * @throws LdapException if oid does not exist |
| */ |
| public SchemaObject getSchemaObject( String oid ) throws LdapException |
| { |
| SchemaObject schemaObject = byOid.get( oid ); |
| |
| if ( schemaObject != null ) |
| { |
| return schemaObject; |
| } |
| else |
| { |
| String msg = I18n.err( I18n.ERR_04287, oid ); |
| LOG.error( msg ); |
| throw new LdapException( msg ); |
| } |
| } |
| |
| |
| /** |
| * 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 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_04288, oid ); |
| LOG.error( msg ); |
| throw new LdapException( msg ); |
| } |
| |
| List<String> names = schemaObject.getNames(); |
| |
| if ( IS_DEBUG ) |
| { |
| LOG.debug( "looked up names '{}' for OID '{}'", 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 |
| */ |
| public Iterator<SchemaObject> iterator() |
| { |
| return byOid.values().iterator(); |
| } |
| |
| |
| /** |
| * Adds an OID name pair to the registry. |
| * |
| * @param schemaObject The SchemaObject the oid belongs to |
| */ |
| public void register( SchemaObject schemaObject ) throws LdapException |
| { |
| if ( schemaObject == null ) |
| { |
| String message = I18n.err( I18n.ERR_04289 ); |
| |
| LOG.debug( message ); |
| throw new LdapException( message ); |
| } |
| |
| String oid = schemaObject.getOid(); |
| |
| if ( !OID.isOID( oid ) ) |
| { |
| String message = I18n.err( I18n.ERR_04290 ); |
| |
| LOG.debug( message ); |
| throw new LdapException( message ); |
| } |
| |
| /* |
| * Update OID Map if it does not already exist |
| */ |
| if ( byOid.containsKey( oid ) ) |
| { |
| String message = I18n.err( I18n.ERR_04291, oid ); |
| LOG.info( message ); |
| return; |
| } |
| else |
| { |
| byOid.put( oid, schemaObject ); |
| |
| if ( IS_DEBUG ) |
| { |
| LOG.debug( "registed SchemaObject '" + schemaObject + "' with OID: " + 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( SchemaObject 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 ( IS_DEBUG ) |
| { |
| LOG.debug( "Unregisted SchemaObject '{}' with OID: {}", removed, oid ); |
| } |
| } |
| |
| |
| /** |
| * Copy the OidRegistry, without the contained values |
| * |
| * @return A new OidRegistry instance |
| */ |
| public OidRegistry copy() |
| { |
| OidRegistry copy = new OidRegistry(); |
| |
| // Clone the map |
| copy.byOid = new HashMap<String, SchemaObject>(); |
| |
| return copy; |
| } |
| |
| |
| /** |
| * @return The number of stored OIDs |
| */ |
| public int size() |
| { |
| return byOid.size(); |
| } |
| |
| |
| public void clear() |
| { |
| // remove all the OID |
| byOid.clear(); |
| } |
| |
| |
| /** |
| * @see Object#toString() |
| */ |
| public String toString() |
| { |
| StringBuilder sb = new StringBuilder(); |
| |
| if ( byOid != null ) |
| { |
| boolean isFirst = true; |
| |
| for ( String oid : byOid.keySet() ) |
| { |
| if ( isFirst ) |
| { |
| isFirst = false; |
| } |
| else |
| { |
| sb.append( ", " ); |
| } |
| |
| sb.append( "<" ); |
| |
| SchemaObject schemaObject = byOid.get( oid ); |
| |
| if ( schemaObject != null ) |
| { |
| sb.append( schemaObject.getObjectType() ); |
| sb.append( ", " ); |
| sb.append( schemaObject.getOid() ); |
| sb.append( ", " ); |
| sb.append( schemaObject.getName() ); |
| } |
| |
| sb.append( ">" ); |
| } |
| } |
| |
| return sb.toString(); |
| } |
| } |