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1   package org.apache.archiva.redback.users;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   * http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.ArrayList;
23  import java.util.List;
24  
25  import org.slf4j.Logger;
26  import org.slf4j.LoggerFactory;
27  
28  import javax.annotation.PostConstruct;
29  
30  /**
31   * AbstractUserManager
32   *
33   * @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a>
34   */
35  public abstract class AbstractUserManager
36      implements UserManager
37  {
38      protected Logger log = LoggerFactory.getLogger( getClass() );
39  
40      private List<UserManagerListener> listeners = new ArrayList<UserManagerListener>();
41  
42      public void addUserManagerListener( UserManagerListener listener )
43      {
44          if ( !listeners.contains( listener ) )
45          {
46              listeners.add( listener );
47          }
48      }
49  
50      public void removeUserManagerListener( UserManagerListener listener )
51      {
52          listeners.remove( listener );
53      }
54  
55      protected void fireUserManagerInit( boolean freshDatabase )
56      {
57          for ( UserManagerListener listener : listeners )
58          {
59              try
60              {
61                  listener.userManagerInit( freshDatabase );
62              }
63              catch ( Exception e )
64              {
65                  // Ignore
66              }
67          }
68      }
69  
70      protected void fireUserManagerUserAdded( User addedUser )
71      {
72          for ( UserManagerListener listener : listeners )
73          {
74              try
75              {
76                  listener.userManagerUserAdded( addedUser );
77              }
78              catch ( Exception e )
79              {
80                  // Ignore
81              }
82          }
83      }
84  
85      protected void fireUserManagerUserRemoved( User removedUser )
86      {
87          for ( UserManagerListener listener : listeners )
88          {
89              try
90              {
91                  listener.userManagerUserRemoved( removedUser );
92              }
93              catch ( Exception e )
94              {
95                  // Ignore
96              }
97          }
98      }
99  
100     protected void fireUserManagerUserUpdated( User updatedUser )
101     {
102         for ( UserManagerListener listener : listeners )
103         {
104             try
105             {
106                 listener.userManagerUserUpdated( updatedUser );
107             }
108             catch ( Exception e )
109             {
110                 // Ignore
111             }
112         }
113     }
114 
115     public User getGuestUser()
116         throws UserNotFoundException, UserManagerException
117     {
118         return findUser( GUEST_USERNAME );
119     }
120 
121     public User createGuestUser()
122         throws UserManagerException
123     {
124         try
125         {
126             User u = getGuestUser();
127             if ( u != null )
128             {
129                 return u;
130             }
131         }
132         catch ( UserNotFoundException e )
133         {
134             //Nothing to do
135         }
136 
137         User user = createUser( GUEST_USERNAME, "Guest", "" );
138         user.setPermanent( true );
139         user.setPasswordChangeRequired( false );
140 
141         user = addUser( user );
142         return user;
143     }
144 
145     public void initialize()
146     {
147         // no op prevent sub classes to need implement this method
148         // sub classes can implement their own
149     }
150 
151     public boolean isFinalImplementation()
152     {
153         return false;
154     }
155 
156     protected List<UserManagerListener> getListeners()
157     {
158         return listeners;
159     }
160 }