001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *  
010     *    http://www.apache.org/licenses/LICENSE-2.0
011     *  
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License. 
018     *  
019     */
020    package org.apache.directory.server.schema.registries;
021    
022    
023    import java.util.Iterator;
024    import java.util.List;
025    import java.util.Map;
026    
027    import javax.naming.NamingException;
028    
029    
030    /**
031     * Object identifier registry.
032     *
033     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
034     * @version $Rev: 777078 $
035     */
036    public interface OidRegistry
037    {
038        /**
039         * Gets the object identifier for a common name or returns the argument
040         * as-is if it is an object identifier.
041         * 
042         * @param name the name to lookup an OID for
043         * @return the OID string associated with a name
044         * @throws NamingException if name does not map to an OID
045         */
046        String getOid( String name ) throws NamingException;
047    
048    
049        /**
050         * Checks to see if an identifier, oid or name exists within this registry.
051         *
052         * @param id the oid or name to look for
053         * @return true if the id exists false otherwise
054         */
055        boolean hasOid( String id );
056    
057    
058        /**
059         * Gets the primary name associated with an OID.  The primary name is the
060         * first name specified for the OID.
061         * 
062         * @param oid the object identifier
063         * @return the primary name
064         * @throws NamingException if oid does not exist
065         */
066        String getPrimaryName( String oid ) throws NamingException;
067    
068    
069        /**
070         * Gets the names associated with an OID.  An OID is unique however it may 
071         * have many names used to refer to it.  A good example is the cn and
072         * commonName attribute names for OID 2.5.4.3.  Within a server one name 
073         * within the set must be chosen as the primary name.  This is used to
074         * name certain things within the server internally.  If there is more than
075         * one name then the first name is taken to be the primary.
076         * 
077         * @param oid the OID for which we return the set of common names
078         * @return a sorted set of names
079         * @throws NamingException if oid does not exist
080         */
081        List<String> getNameSet( String oid ) throws NamingException;
082    
083    
084        /**
085         * Lists all the OIDs within the registry.  This may be a really big list.
086         * 
087         * @return all the OIDs registered
088         */
089        Iterator<String> list();
090    
091    
092        /**
093         * Adds an OID name pair to the registry.
094         * 
095         * @param name the name to associate with the OID
096         * @param oid the OID to add or associate a new name with
097         */
098        void register( String name, String oid ) throws NamingException;
099    
100    
101        /**
102         * Get the map of all the oids by their name
103         * @return The Map that contains all the oids
104         */
105        public Map<String,String> getOidByName();
106    
107    
108        /**
109         * Get the map of all the oids by their name
110         * @return The Map that contains all the oids
111         */
112        public Map<String,List<String>> getNameByOid();
113    
114    
115        /**
116         * Removes an oid from this registry.
117         *
118         * @param numericOid the numeric identifier for the object
119         * @throws NamingException if the identifier is not numeric
120         */
121        void unregister( String numericOid ) throws NamingException;
122    }