[Dlsciences-dlese-tools] dlese-tools-project/src/org/dlese/dpc/index/search DateFilterAdaptor.java, NONE, 1.1.2.1, lucene-2-upgrade-branch

[John W. <jwe...@us...>]

Update of /cvsroot/dlsciences/dlese-tools-project/src/org/dlese/dpc/index/search
In directory sc8-pr-cvs12.sourceforge.net:/tmp/cvs-serv30950/src/org/dlese/dpc/index/search

Added Files:
      Tag: lucene-2-upgrade-branch
	DateFilterAdaptor.java 
Log Message:
-updated boolean.add for 2.0 compatibility
-create DateFilterAdaptor for 2.0 compatibility for old DateFilter

--- NEW FILE: DateFilterAdaptor.java ---

/**
 *  Copyright 2002, 2003 DLESE Program Center/University Corporation for Atmospheric Research (UCAR), P.O. Box
 *  3000, Boulder, CO 80307, su...@dl....<p>
 *
 *  This file is part of the DLESE Tools Project.<p>
 *
 *  The DLESE Tools Project is free software; you can redistribute it and/or modify it under the terms of the
 *  GNU General Public License as published by the Free Software Foundation; either version 2 of the License,
 *  or (at your option) any later version.<p>
 *
 *  The DLESE Tools Project is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *  General Public License for more details.<p>
 *
 *  You should have received a copy of the GNU General Public License along with The DLESE System; if not,
 *  write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

package org.dlese.dpc.index.search;

import java.util.BitSet;
import java.util.Date;

import org.apache.lucene.search.Filter;
import org.apache.lucene.search.RangeFilter;
import org.apache.lucene.index.IndexReader;
import java.io.IOException;

/**
 *  Implements the same functionality as the Lucene 1.4 DateFilter that is compatible with Lucene 2.x.
 *
 * @author    John Weatherley
 */
public class DateFilterAdaptor extends Filter {
	
	private Filter rangeFilter = null;
	
	
	public DateFilterAdaptor(String f, Date from, Date to) {
		String fieldName = null;
		String lowerTerm = null;
		String upperTerm = null;
		boolean includeLower = false;
		boolean includeUpper = false;  
		rangeFilter = new RangeFilter(fieldName, lowerTerm, upperTerm, includeLower, includeUpper);
	}
	
	public BitSet bits(IndexReader reader) throws IOException {
		return rangeFilter.bits(reader);	
	}

}