NamingContextFactory


1   /*
2    * Copyright 2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */ 
16  
17  package org.apache.naming;
18  
19  import java.util.Hashtable  ;
20  import javax.naming.Context  ;
21  import javax.naming.NamingException  ;
22  import javax.naming.spi.InitialContextFactory  ;
23  
24  /**
25   * Initial context factory returning {@link NamingContext} instances.
26   *
27   * @version $Revision$ $Date$
28   */
29  public class NamingContextFactory implements InitialContextFactory   {
30      
31      /**
32       * Get a new (writable) initial context.  Always returns a 
33       * {@link NamingContext}.  If
34       * {@link SynchronizedContext#isSynchronized} returns true for 
35       * <code>environment</code>  then the
36       * returned context is wrapped in a {@link SynchronizedContext}, so access
37       * to it will be synchronized.
38       * 
39       * @param environment  environment
40       * @return a new Context
41       * @exception NamingException if a naming exception is encountered
42       */
43      public Context   getInitialContext(Hashtable   environment)
44      throws NamingException   {
45          Context   ctx = new NamingContext(environment, "initialContext");
46          if (SynchronizedContext.isSynchronized(environment)) {
47              return new SynchronizedContext(ctx);
48          } else {
49              return ctx;
50          }
51      }
52  }
53
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