samplesearch.java

Abstract The Lucene Server project is an attempt to extend the Jakarta Lucene tool with server ca

package org.apache.lucene.server.samples;
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 * 1. Redistributions of source code must retain the above copyright
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 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 * 4. The names "Apache" and "Apache Software Foundation" and
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 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import java.io.StringWriter;
import java.rmi.Naming;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.Hits;
import org.apache.lucene.search.MultiSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.Searchable;
import org.apache.lucene.server.IndexService;

public class SampleSearch 
{
	public static void main(String[] args) 
	{
/*		if (System.getSecurityManager() == null) 
		{
			System.setSecurityManager(new RMISecurityManager());
		}
*/		
		
		String host = "//localhost:4000/";
		
		try 
		{
			String name = host + "IndexServer";
			
			IndexService server = (IndexService) Naming.lookup(name);
			
			
			Searchable rsearchable1 = (Searchable) Naming.lookup(host + "SampleIndex_searcher");
			Searchable[] searchables = {rsearchable1};
			MultiSearcher multi = new MultiSearcher(searchables);
			
			Analyzer ana = (Analyzer)server.getAnalyzerClass("SampleIndex").newInstance();
			
			for (;;)
			{
				System.out.print("\nEnter a query (type q to quit) : ");
				
				StringWriter sw = new StringWriter();
				int i;
				char c=0;
				while (c != '\n')
				{
					c=(char)System.in.read();
					if (c != '\n' && c != '\r')
					{
						sw.write(c);
					}
				}
				String Squery = sw.toString();
				
				if (Squery.compareTo("q")==0)
				{
					System.out.println("Bye ...");
					return;
				}
				System.out.println("Search query string : "+Squery);
				Query query = QueryParser.parse(Squery,"content", ana);
				Hits hits = multi.search(query);
				System.out.println("*** Found " + hits.length() + " document(s) .");
				for (int j = 0; j < hits.length(); j++)
				{
					org.apache.lucene.document.Document doc = hits.doc(j);
					System.out.println(doc.getField("file").toString());
				}
				System.out.println("*** ");
			}
		} 
		catch (Exception e) 
		{
			System.err.println("IndexServer error : " + 
					e.getMessage());
			e.printStackTrace();
		}
		
	}
}