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1   /*
2    * Copyright (c) 2003, Henri Yandell
3    * All rights reserved.
4    * 
5    * Redistribution and use in source and binary forms, with or 
6    * without modification, are permitted provided that the 
7    * following conditions are met:
8    * 
9    * + Redistributions of source code must retain the above copyright notice, 
10   *   this list of conditions and the following disclaimer.
11   * 
12   * + Redistributions in binary form must reproduce the above copyright notice, 
13   *   this list of conditions and the following disclaimer in the documentation 
14   *   and/or other materials provided with the distribution.
15   * 
16   * + Neither the name of Simple-JNDI nor the names of its contributors 
17   *   may be used to endorse or promote products derived from this software 
18   *   without specific prior written permission.
19   * 
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
23   * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
30   * POSSIBILITY OF SUCH DAMAGE.
31   */
32  
33  package org.osjava.sj.naming;
34  
35  import java.util.ArrayList;
36  import java.util.List;
37  
38  import javax.sql.DataSource;
39  import javax.naming.Context;
40  import javax.naming.InitialContext;
41  import javax.naming.NamingException;
42  
43  /***
44   * Helper object for talking to JNDI. 
45   */
46  public class Jndi {
47  
48      private Context context;
49  
50      public Jndi() throws NamingException {
51          context = new InitialContext();
52      }
53  
54      public Object lookup(String key) throws NamingException {
55          return this.context.lookup(key);
56      }
57  
58      public DataSource lookupDataSource(String key) throws NamingException {
59          return (DataSource)this.context.lookup(key);
60      }
61  
62      public String lookupString(String key) throws NamingException {
63          return (String)this.context.lookup(key);
64      }
65  
66      public List lookupList(String key) throws NamingException {
67          Object obj = this.context.lookup(key);
68          if( !(obj instanceof List) ) {
69              List list = new ArrayList(1);
70              list.add(obj);
71              obj = list;
72          }
73          return (List)obj;
74      }
75  
76  }