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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  package org.apache.directory.server.core.jndi;
21  
22  
23  import javax.naming.InitialContext;
24  import javax.naming.spi.InitialContextFactory;
25  
26  import org.apache.directory.server.core.api.DirectoryService;
27  
28  
29  /**
30   * A server-side JNDI provider implementation of {@link InitialContextFactory}.
31   * This class can be utilized via JNDI API in the standard fashion:
32   * <p>
33   * <code>
34   * Hashtable env = new Hashtable();
35   * env.put( Context.PROVIDER_URL, "ou=system" );
36   * env.put(
37   * Context.INITIAL_CONTEXT_FACTORY, "org.apache.directory.server.core.jndi.CoreContextFactory" );
38   * InitialContext initialContext = new InitialContext( env );
39   * </code>
40   * <p>
41   * Unfortunately, {@link InitialContext} creates a new instance of
42   * {@link InitialContextFactory} implementation everytime it is instantiated,
43   * so this factory maintains only a static, singleton instance of
44   * {@link DirectoryService}, which provides actual implementation.
45   * Please note that you'll also have to maintain any stateful information
46   * as using singleton pattern if you're going to extend this factory.
47   * <p>
48   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
49   * 
50   * @see javax.naming.spi.InitialContextFactory
51   */
52  public abstract class AbstractContextFactory implements InitialContextFactory
53  {
54  }