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From sumittyagi <ping.su...@gmail.com>
Subject Re: HELP...compiling first program for lucene Indexer.java
Date Mon, 25 Feb 2008 04:48:27 GMT

hi,
Thanks for replying..
Can you please explain more clearly that what exactly needs to be done in
this program.
Thanks

Stephane Nicoll-2 wrote:
> 
> Field.Text has been deprecated and removed a while back. You probably
> found an old code sample on the Internet that is not applicable
> anymore to 2.3
> 
> Just create your Fields wiht the constructor:  new Field("....")
> 
> See the Javadoc for details.
> 
> HTH,
> St├ęphane
> 
> On Sun, Feb 24, 2008 at 6:41 AM, sumittyagi <ping.sumit@gmail.com> wrote:
>>
>>  I am new to lucene, and have problem in executing it's first program
>> which is
>>  Indexer.java
>>
>>  here is the source code..
>>
>>  *****************************************************
>>
>>  import java.io.*;
>>  import org.apache.lucene.document.*;
>>  import org.apache.lucene.index.*;
>>  import org.apache.lucene.analysis.*;
>>  import org.apache.lucene.analysis.standard.*;
>>  import java.util.*;
>>  import java.io.IOException;
>>
>>  public class Indexer {
>>  public static void main(String[] args) throws Exception {
>>  if (args.length != 2) {
>>  throw new Exception("Usage: java " + Indexer.class.getName()
>>  + " <index dir> <data dir>");
>>  }
>>  File indexDir = new File(args[0]);
>>  File dataDir = new File(args[1]);
>>  long start = new Date().getTime();
>>  int numIndexed = index(indexDir, dataDir);
>>  long end = new Date().getTime();
>>  System.out.println("Indexing " + numIndexed + " files took "
>>  + (end - start) + " milliseconds");
>>  }
>>  // open an index and start file directory traversal
>>  public static int index(File indexDir, File dataDir)
>>  throws IOException {
>>         if (!dataDir.exists() || !dataDir.isDirectory()) {
>>  throw new IOException(dataDir
>>  + " does not exist or is not a directory");
>>  }
>>  IndexWriter writer = new IndexWriter(indexDir,
>>  new StandardAnalyzer(), true);
>>  writer.setUseCompoundFile(false);
>>  indexDirectory(writer, dataDir);
>>  int numIndexed = writer.docCount();
>>  writer.optimize();
>>  writer.close();
>>  return numIndexed;
>>  }
>>  // recursive method that calls itself when it finds a directory
>>  private static void indexDirectory(IndexWriter writer, File dir)
>>  throws IOException {
>>  File[] files = dir.listFiles();
>>  for (int i = 0; i < files.length; i++) {
>>  File f = files[i];
>>  if (f.isDirectory()) {
>>  indexDirectory(writer, f);
>>  } else if (f.getName().endsWith(".txt")) {
>>  indexFile(writer, f);
>>  }
>>  }
>>  }
>>  // method to actually index a file using Lucene
>>  private static void indexFile(IndexWriter writer, File f)
>>  throws IOException {
>>  if (f.isHidden() || !f.exists() || !f.canRead()) {
>>  return;
>>  }
>>  System.out.println("Indexing " + f.getCanonicalPath());
>>  Document doc = new Document();
>>  doc.add(Field.Text("contents", new FileReader(f)));
>>  doc.add(Field.Keyword("filename", f.getCanonicalPath()));
>>  writer.addDocument(doc);
>>  }
>>  }
>>
>>
>>  **********************************************************
>>
>>  and the errors which i am getting are
>>
>>  C:\Documents and Settings\Sumit\Desktop\db>javac Indexer.java
>>  Indexer.java:60: cannot find symbol
>>  symbol  : method Text(java.lang.String,java.io.FileReader)
>>  location: class org.apache.lucene.document.Field
>>  doc.add(Field.Text("contents", new FileReader(f)));
>>              ^
>>  Indexer.java:61: cannot find symbol
>>  symbol  : method Keyword(java.lang.String,java.lang.String)
>>  location: class org.apache.lucene.document.Field
>>  doc.add(Field.Keyword("filename", f.getCanonicalPath()));
>>              ^
>>  2 errors
>>
>>
>>
>>
>>
>>  any suggestions ..please
>>  --
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>>  Sent from the Lucene - Java Users mailing list archive at Nabble.com.
>>
>>
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>>
>>
> 
> 
> 
> -- 
> Large Systems Suck: This rule is 100% transitive. If you build one,
> you suck" -- S.Yegge
> 
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> 
> 
> 

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