Index: lucene/src/test/org/apache/lucene/util/IndexConvertor.java
===================================================================
--- lucene/src/test/org/apache/lucene/util/IndexConvertor.java	(revision 0)
+++ lucene/src/test/org/apache/lucene/util/IndexConvertor.java	(revision 0)
@@ -0,0 +1,84 @@
+package org.apache.lucene.util;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.util.ArrayList;
+import java.util.List;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexWriterConfig;
+import org.apache.lucene.index.codecs.Codec;
+import org.apache.lucene.index.codecs.CodecProvider;
+import org.apache.lucene.index.codecs.preflexrw.PreFlexRWCodec;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.FSDirectory;
+
+public class IndexConvertor {
+  public static void main(String args[]) throws Exception {
+    if (args.length < 3) {
+      System.err.println("usage: IndexConvertor <input> <output> <serialize|deserialize>");
+      System.exit(1);
+    }
+    convert(args[0], args[1], args[2].equals("serialize"));
+  }
+  
+  static void convert(String inputDir, String outputDir, boolean toPreFlex) throws Exception {
+    Directory input = FSDirectory.open(new File(inputDir));
+    Directory output = FSDirectory.open(new File(outputDir));
+    
+    IndexReader ir = IndexReader.open(input);
+    IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_40, new MockAnalyzer());
+
+    if (toPreFlex) {
+      CodecProvider cp = new CodecProvider();
+      CodecProvider defaults = CodecProvider.getDefault();
+      
+      for (String coreCodec : CodecProvider.CORE_CODECS) {
+        Codec c = defaults.lookup(coreCodec);
+        cp.register(c);
+      }
+      
+      // unregister PreFlex codec
+      final Codec preFlex = cp.lookup("PreFlex");
+    
+      if (preFlex != null) {
+        cp.unregister(preFlex);
+      }
+    
+      // replace with the impostor
+      cp.register(new PreFlexRWCodec());
+      cp.setDefaultFieldCodec("PreFlex");
+      iwc.setCodecProvider(cp);
+    }
+    
+    IndexWriter iw = new IndexWriter(output, iwc);
+    List<IndexReader> readers = new ArrayList<IndexReader>();
+    ReaderUtil.gatherSubReaders(readers, ir);
+    for (IndexReader sub : readers) {
+      iw.addIndexes(new IndexReader[] { sub });
+    }
+
+    ir.close();
+    iw.close();
+    input.close();
+    output.close();
+  }
+}

Property changes on: lucene\src\test\org\apache\lucene\util\IndexConvertor.java
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Added: svn:eol-style
   + native