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Lucene example source code file (RangeFilterBuilder.java)

This example Lucene source code file (RangeFilterBuilder.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

dom, filter, filter, filterbuilder, parserexception, parserexception, rangefilterbuilder, string, string, termrangefilter, termrangefilter

The Lucene RangeFilterBuilder.java source code

/*
 * Created on 25-Jan-2006
 */
package org.apache.lucene.xmlparser.builders;

import org.apache.lucene.search.Filter;
import org.apache.lucene.search.TermRangeFilter;
import org.apache.lucene.xmlparser.DOMUtils;
import org.apache.lucene.xmlparser.FilterBuilder;
import org.apache.lucene.xmlparser.ParserException;
import org.w3c.dom.Element;
/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


/**
 * 
 */
public class RangeFilterBuilder implements FilterBuilder {


	public Filter getFilter(Element e) throws ParserException {
		
		String fieldName=DOMUtils.getAttributeWithInheritance(e,"fieldName");
		
		String lowerTerm=e.getAttribute("lowerTerm");
		String upperTerm=e.getAttribute("upperTerm");
		boolean includeLower=DOMUtils.getAttribute(e,"includeLower",true);
		boolean includeUpper=DOMUtils.getAttribute(e,"includeUpper",true);
		return new TermRangeFilter(fieldName,lowerTerm,upperTerm,includeLower,includeUpper);
	}

}

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