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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: Using Highlighter in web Demo
Date Tue, 29 Jun 2004 13:24:32 GMT
Karthik, I don't understand your question.
Sorting was only added in 1.4* versions, if I recall correctly.  There
was no sorting in 1.3.

Otis


--- Karthik N S <karthik@controlnet.co.in> wrote:
> 
> Hello Developer's
> 
>    I am NOT able to get the API for the same [1.3-final or 1.4rc4 ]
> for
> import  details.
>     QueryScorer scorer = new QueryScorer(query);
> 
> 
> just was curious to Compile and execute the same...:)
> 
> 
> 
> Karthik
> 
> 
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Erik Hatcher [mailto:erik@ehatchersolutions.com]
> Sent: Tuesday, June 29, 2004 5:52 PM
> To: Lucene Users List
> Subject: Re: Using Highlighter in web Demo
> 
> 
> On Jun 28, 2004, at 5:18 PM, Hetan Shah wrote:
> > Is it possible to use highlighter successfully in the demos the web
> > demo to be specific. Has any one tried out there? If so can they
> > explain me how to go about it any code sample is really  very
> > appreciated.
> 
> Straight from Lucene in Action:
> 
> public class HighlightIt {
>    private static final String text =
>        "Contrary to popular belief, Lorem Ipsum is" +
>        " not simply random text. It has roots in a piece of" +
>        " classical Latin literature from 45 BC, making it over" +
>        " 2000 years old. Richard McClintock, a Latin professor" +
>        " at Hampden-Sydney College in Virginia, looked up one" +
>        " of the more obscure Latin words, consectetur, from" +
>        " a Lorem Ipsum passage, and going through the cites" +
>        " of the word in classical literature, discovered the" +
>        " undoubtable source. Lorem Ipsum comes from sections" +
>        " 1.10.32 and 1.10.33 of \"de Finibus Bonorum et" +
>        " Malorum\" (The Extremes of Good and Evil) by Cicero," +
>        " written in 45 BC. This book is a treatise on the" +
>        " theory of ethics, very popular during the" +
>        " Renaissance. The first line of Lorem Ipsum, \"Lorem" +
>        " ipsum dolor sit amet..\", comes from a line in" +
>        " section 1.10.32.";  // from http://www.lipsum.com/
> 
>    public static void main(String[] args) throws IOException {
>      String filename = args[0];
> 
>      if (filename == null) {
>        System.err.println("Usage: HighlightIt <filename>");
>        System.exit(-1);
>      }
> 
> //    TermQuery query = new TermQuery(new Term("f", "ipsum"));
>      PhraseQuery query = new PhraseQuery();
>      query.add(new Term("f", "lorem"));
>      query.add(new Term("f", "ipsum"));
>      QueryScorer scorer = new QueryScorer(query);
>      SimpleHTMLFormatter formatter =
>          new SimpleHTMLFormatter("<span class=\"highlight\">",
>              "</span>");
>      Highlighter highlighter = new Highlighter(formatter, scorer);
>      Fragmenter fragmenter = new SimpleFragmenter(50);
>      highlighter.setTextFragmenter(fragmenter);
> 
>      TokenStream tokenStream = new StandardAnalyzer()
>          .tokenStream("f", new StringReader(text));
> 
>      String result =
>          highlighter.getBestFragments(tokenStream, text, 5, "...");
> 
>      FileWriter writer = new FileWriter(filename);
>      writer.write("<html>");
>      writer.write("<style>\n" +
>          ".highlight {\n" +
>          " background: yellow;\n" +
>          "}\n" +
>          "</style>");
>      writer.write("<body>");
>      writer.write(result);
>      writer.write("</body></html>");
>      writer.close();
>    }
> }
> 
> I just added the PhraseQuery in there instead of the TermQuery that
> is
> commented out.  Highlighter works well with phrases also (although
> highlights each term individually, not the breadth of the phrase by
> itself).  The above code runs like it says in the usage statement,
> give
> it a filename to save an HTML file that shows the terms highlighted
> in
> yellow.
> 
> 	Erik
> 
> 
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