JResourceFactory


1   /**
2    * JOnAS: Java(TM) Open Application Server
3    * Copyright (C) 1999-2004 Bull S.A.
4    * Contact: jonas-team@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 1any 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   * Initial developer: Florent BENOIT
22   * --------------------------------------------------------------------------
23   * $Id: JResourceFactory.java,v 1.5 2004/10/08 07:24:13 benoitf Exp $
24   * --------------------------------------------------------------------------
25   */
26  
27  package org.objectweb.jonas.security.realm.factory;
28  
29  //import java
30  import java.util.Hashtable  ;
31  
32  import javax.naming.Context  ;
33  import javax.naming.Name  ;
34  import javax.naming.spi.ObjectFactory  ;
35  
36  import org.objectweb.jonas.common.Log;
37  
38  import org.objectweb.util.monolog.api.Logger;
39  
40  /**
41   * This class provides an implementation of the abstract JResource factory for
42   * managing users
43   * @author Florent Benoit
44   */
45  public abstract class JResourceFactory implements ObjectFactory   {
46  
47      /**
48       * The logger used in JOnAS
49       */
50      private static Logger logger = Log.getLogger(Log.JONAS_SECURITY_PREFIX);
51  
52      /**
53       * Creates a object using the location or reference information specified.
54       * @param obj the possibly null object containing location or reference
55       *        information that can be used in creating an object.
56       * @param name the name of this object relative to nameCtx, or null if no
57       *        name is specified.
58       * @param nameCtx the context relative to which the name parameter is
59       *        specified, or null if name is relative to the default initial
60       *        context.
61       * @param environment the possibly null environment that is used in creating
62       *        the object.
63       * @return a newly created object with the specific configuration; null if
64       *         an object cannot be created.
65       * @throws Exception if this object factory encountered an exception while
66       *         attempting to create an object, and no other object factories are
67       *         to be tried.
68       */
69      public abstract Object   getObjectInstance(Object   obj, Name   name, Context   nameCtx, Hashtable   environment)
70              throws Exception  ;
71  
72      /**
73       * @return Returns the logger.
74       */
75      public static Logger getLogger() {
76          return logger;
77      }
78      /**
79       * @param logger The logger to set.
80       */
81      public static void setLogger(Logger logger) {
82          JResourceFactory.logger = logger;
83      }
84  }
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