PseudoFileList


1   /*
2    * Copyright (C) 2005 Alfresco, Inc.
3    *
4    * Licensed under the Mozilla Public License version 1.1 
5    * with a permitted attribution clause. You may obtain a
6    * copy of the License at
7    *
8    *   http://www.alfresco.org/legal/license.txt
9    *
10   * Unless required by applicable law or agreed to in writing,
11   * software distributed under the License is distributed on an
12   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific
14   * language governing permissions and limitations under the
15   * License.
16   */
17  
18  package org.alfresco.filesys.smb.server.repo.pseudo;
19  
20  import java.util.ArrayList  ;
21  import java.util.List  ;
22  
23  /**
24   * Pseudo File List Class
25   * 
26   * <p>Contains a list of pseudo file list entries for a folder.
27   * 
28   * @author gkspencer
29   */
30  public class PseudoFileList
31  {
32      // List of pseudo files
33      
34      private List  <PseudoFile> m_list;
35      
36      /**
37       * Default constructor
38       */
39      public PseudoFileList()
40      {
41          m_list = new ArrayList  <PseudoFile>();
42      }
43      
44      /**
45       * Add a pseudo file to the list
46       * 
47       * @param pfile PseudoFile
48       */
49      public final void addFile( PseudoFile pfile)
50      {
51          m_list.add( pfile);
52      }
53      
54      /**
55       * Return the count of files in the list
56       * 
57       * @return int
58       */
59      public final int numberOfFiles()
60      {
61          return m_list.size();
62      }
63      
64      /**
65       * Return the file at the specified index in the list
66       * 
67       * @param idx int
68       * @return PseudoFile
69       */
70      public final PseudoFile getFileAt(int idx)
71      {
72          if ( idx < m_list.size())
73              return m_list.get(idx);
74          return null;
75      }
76      
77      /**
78       * Search for the specified pseudo file name
79       * 
80       * @param fname String
81       * @param caseSensitive boolean
82       * @return PseudoFile
83       */
84      public final PseudoFile findFile( String   fname, boolean caseSensitive)
85      {
86          // Check if there are any entries in the list
87          
88          if ( m_list == null || m_list.size() == 0)
89              return null;
90          
91          // Search for the name match
92          
93          for ( PseudoFile pfile : m_list)
94          {
95              if ( caseSensitive && pfile.getFileName().equals( fname))
96                  return pfile;
97              else if ( pfile.getFileName().equalsIgnoreCase( fname))
98                  return pfile;
99          }
100         
101         // File not found
102         
103         return null;
104     }
105     
106     /**
107      * Remove the specified pseudo file from the list
108      * 
109      * @param fname String
110      * @param caseSensitive boolean
111      * @return PseudoFile
112      */
113     public final PseudoFile removeFile( String   fname, boolean caseSensitive)
114     {
115         // Check if there are any entries in the list
116         
117         if ( m_list == null || m_list.size() == 0)
118             return null;
119         
120         // Search for the name match
121         
122         for ( int idx = 0; idx < m_list.size(); idx++)
123         {
124             // Get the current pseudo file
125             
126             PseudoFile pfile = m_list.get( idx);
127             boolean match = false;
128             
129             if ( caseSensitive && pfile.getFileName().equals( fname))
130                 match = true;
131             else if ( pfile.getFileName().equalsIgnoreCase( fname))
132                 match = true;
133             
134             // If we found the matching pseudo file remove it from the list
135             
136             if ( match)
137             {
138                 m_list.remove( idx);
139                 return pfile;
140             }
141         }
142         
143         // File not found
144         
145         return null;
146     }
147 }
148
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