source: trunk/indexers/lucene-gs/src/org/greenstone/LuceneWrapper/GS2LuceneQuery.java@ 12255

/*
 * search.java
 *
 * Created on 25 February 2003, 02:25
 */


/**
 *
 * @author  [email protected]
 * @author  [email protected]
 * @version 
 */

import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.search.Searcher;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.Hits;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.index.Term;

public class GS2LuceneQuery  {

    public static void main (String args[]) {
    
    if (args.length == 0) {
        System.out.println("Usage: GS2LuceneQuery <index directory>");
        return;
    }
        try {
        Searcher searcher = new IndexSearcher(args[0]);
        Analyzer analyzer = new StandardAnalyzer();

        BufferedReader in = new BufferedReader(new InputStreamReader(System.in, "UTF-8"));
        while (true) {
        String line = in.readLine();
        
        if (line == null) {
            break;
        }

        if (line.length() == -1)
            break;
        

        // Term term = new Term("TX",line);
        // Query query = new TermQuery(term);

        System.err.println("**** query = " + line);

        QueryParser query_parser = new QueryParser("TX", analyzer);
        Query query = query_parser.parse(line);
        
        Hits hits = searcher.search(query);
        System.out.println("<ResultSet>");
        System.out.println("  <QueryString>" + query.toString("TX")+"</QueryString>");
        System.out.println("  <MatchingDocsInfo num=\""+hits.length()+"\"/>");
                
        for (int i=0; i< hits.length(); i++) {
            Document doc = hits.doc(i);
            String node_id= doc.get("nodeID");
            System.out.println("  <Match id=\""+node_id+"\"/>");
        }
        System.out.println("</ResultSet>");
        
        }
        
        searcher.close();
    }
    catch (Exception e) {
        System.out.println(" caught a " + e.getClass() +
                   "\n with message: " + e.getMessage());
        }
    }
}