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From bmes...@apache.org
Subject svn commit: r189790 - /lucene/java/trunk/src/java/org/apache/lucene/index/IndexFileNameFilter.java
Date Thu, 09 Jun 2005 18:56:42 GMT
Author: bmesser
Date: Thu Jun  9 11:56:40 2005
New Revision: 189790

URL: http://svn.apache.org/viewcvs?rev=189790&view=rev
Log:
new index filename filter class. Accepts all lucene related index files.

Added:
    lucene/java/trunk/src/java/org/apache/lucene/index/IndexFileNameFilter.java

Added: lucene/java/trunk/src/java/org/apache/lucene/index/IndexFileNameFilter.java
URL: http://svn.apache.org/viewcvs/lucene/java/trunk/src/java/org/apache/lucene/index/IndexFileNameFilter.java?rev=189790&view=auto
==============================================================================
--- lucene/java/trunk/src/java/org/apache/lucene/index/IndexFileNameFilter.java (added)
+++ lucene/java/trunk/src/java/org/apache/lucene/index/IndexFileNameFilter.java Thu Jun  9
11:56:40 2005
@@ -0,0 +1,44 @@
+package org.apache.lucene.index;
+
+/**
+ * Copyright 2005 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.io.File;
+import java.io.FilenameFilter;
+
+/**
+ * Filename filter that accept filenames and extensions only created by Lucene.
+ * 
+ * @author Daniel Naber / Bernhard Messer
+ * @version $rcs = ' $Id: Exp $ ' ;
+ */
+public class IndexFileNameFilter implements FilenameFilter {
+
+  /* (non-Javadoc)
+   * @see java.io.FilenameFilter#accept(java.io.File, java.lang.String)
+   */
+  public boolean accept(File dir, String name) {
+    for (int i = 0; i < IndexFileNames.INDEX_EXTENSIONS.length; i++) {
+      if (name.endsWith("."+IndexFileNames.INDEX_EXTENSIONS[i]))
+        return true;
+    }
+    if (name.equals(IndexFileNames.DELETABLE)) return true;
+    else if (name.equals(IndexFileNames.SEGMENTS)) return true;
+    else if (name.matches(".+\\.f\\d+")) return true;
+    return false;
+  }
+
+}



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