package com.tropo.lucene;

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 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.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache Lucene" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache Lucene", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * 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.IOException;
import org.apache.lucene.search.*;
import org.apache.lucene.index.*;
import org.apache.lucene.analysis.*;
import org.apache.lucene.document.*;


/** A Query that matches documents containing terms with a specified substring. */
public final class SubstringQuery extends MultiTermQuery {
  public SubstringQuery(Term term) {
    super(term);
  }
    
  protected FilteredTermEnum getEnum(IndexReader reader) throws IOException {
    return new SubstringTermEnum(reader, getTerm());
  }
    
  public String toString(String field) {
    return '*' + super.toString(field) + '*';
  }


	/**
	 *
	 */
	/*
	public static void main( String[] args)
		throws Throwable
	{
		String name = "index";
		String srch = "valid";
		
		for ( int i = 0; i< args.length; i++)
		{
			if ( args[i].equals( "-i"))
				name = args[ ++i];
			else if ( args[i].equals( "-w"))
				srch = args[ ++i]; 
		}
		java.io.PrintStream o = System.out;
		o.println( "Opening "+ name);
		if ( true )
		{
			final IndexReader r = IndexReader.open( Rammer.convertMaybe( name));
			//final TermEnum te = r.terms();
			FilteredTermEnum te = new SubstringTermEnum( r, new Term( "contents", srch));

			while ( te.next())
			{
				Term term = te.term();
				o.println( "" + term);
			}
			o.println( "te: " +te);

			Query q = new SubstringQuery( new Term( "contents", srch));
			o.println( "q=" + q.toString( "contents"));						
			o.println( "q=" + q);
			o.println( "q=" + q.rewrite( r)); 
		}
		else
		{
		
			final IndexSearcher searcher = new IndexSearcher( name);
			final Analyzer analyzer = IndexBase.getAnalyzer();
			final Query q = new SubstringQuery( new Term( DFields.CONTENTS, srch));
			o.println( "q=" +q);
			Hits hits = searcher.search( q);
			int len = hits.length();
			o.println( "len: " +len);
			for ( int i = 0; i < len; i++)
			{
				Document d = hits.doc( i);
			}
		}
	}
	*/
}