DBHelper


1   /**
2    * EasyBeans
3    * Copyright (C) 2006 Bull S.A.S.
4    * Contact: easybeans@objectweb.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA
20   *
21   * --------------------------------------------------------------------------
22   * $Id: DBHelper.java 100 2006-03-02 16:13:54Z pinheirg $
23   * --------------------------------------------------------------------------
24   */
25  package org.objectweb.easybeans.tests.common.helper;
26  
27  import javax.naming.Context  ;
28  import javax.naming.InitialContext  ;
29  import javax.naming.NamingException  ;
30  import javax.sql.DataSource  ;
31  
32  /**
33   * Gets the datasource reference.
34   * @author Gisele Pinheiro Souza
35   * @author Eduardo Studzinski Estima de Castro
36   *
37   */
38  public final class DBHelper {
39  
40      /**
41       * Creates a new instance of DBHelper.
42       *
43       */
44      private DBHelper(){
45  
46      }
47  
48      /**
49       * Does the lookup and returns the database.
50       * @param dsName the database wanted.
51       * @return the database in the registry with the dsName.
52       * @throws NamingException if a naming error occurs.
53       */
54      public static DataSource   getDataSource(final String   dsName) throws NamingException   {
55          // sets the context
56          System.setProperty(Context.INITIAL_CONTEXT_FACTORY,
57                  "org.objectweb.carol.jndi.spi.MultiOrbInitialContextFactory");
58  
59          // gets the initialcontext
60          Context   initialContext = new InitialContext  ();
61  
62          // gets the database
63         return (DataSource  ) initialContext.lookup(dsName);
64      }
65  }
66
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