beagled/Lucene.Net/Index/IndexFileNameFilter.cs

   1 /*
   2  * Copyright 2005 The Apache Software Foundation
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 using System;
  18
  19 namespace Lucene.Net.Index
  20 {
  21
  22         /// <summary> Filename filter that accept filenames and extensions only created by Lucene.
  23         ///
  24         /// </summary>
  25         /// <author>  Daniel Naber / Bernhard Messer
  26         /// </author>
  27         /// <version>  $rcs = ' $Id: IndexFileNameFilter.cs,v 1.2 2006/10/02 17:08:52 joeshaw Exp $ ' ;
  28         /// </version>
  29         public class IndexFileNameFilter // : FilenameFilter {{Aroush-1.9}}
  30         {
  31
  32                 /* (non-Javadoc)
  33                 * @see java.io.FilenameFilter#accept(java.io.File, java.lang.String)
  34                 */
  35                 public virtual bool Accept(System.IO.FileInfo dir, System.String name)
  36                 {
  37                         for (int i = 0; i < IndexFileNames.INDEX_EXTENSIONS.Length; i++)
  38                         {
  39                                 if (name.EndsWith("." + IndexFileNames.INDEX_EXTENSIONS[i]))
  40                                         return true;
  41                         }
  42                         if (name.Equals(IndexFileNames.DELETABLE))
  43                                 return true;
  44                         else if (name.Equals(IndexFileNames.SEGMENTS))
  45                                 return true;
  46                         else if (true) // else if (name.Matches(".+\\.f\\d+")) // {{Aroush-1.9}}
  47                                 return true;
  48                         return false;
  49                 }
  50         }
  51 }