+++ /dev/null
-package org.apache.lucene.xmlparser.builders;
-
-import java.io.IOException;
-import java.io.StringReader;
-
-import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
-import org.apache.lucene.index.Term;
-import org.apache.lucene.search.BooleanClause;
-import org.apache.lucene.search.BooleanQuery;
-import org.apache.lucene.search.Query;
-import org.apache.lucene.search.TermQuery;
-import org.apache.lucene.xmlparser.DOMUtils;
-import org.apache.lucene.xmlparser.ParserException;
-import org.apache.lucene.xmlparser.QueryBuilder;
-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.
- */
-/**
- * Builds a BooleanQuery from all of the terms found in the XML element using the choice of analyzer
- */
-public class TermsQueryBuilder implements QueryBuilder {
-
- Analyzer analyzer;
-
-
- public TermsQueryBuilder(Analyzer analyzer)
- {
- this.analyzer = analyzer;
- }
-
-
-
- public Query getQuery(Element e) throws ParserException {
-
- String fieldName=DOMUtils.getAttributeWithInheritanceOrFail(e,"fieldName");
- String text=DOMUtils.getNonBlankTextOrFail(e);
-
- BooleanQuery bq=new BooleanQuery(DOMUtils.getAttribute(e,"disableCoord",false));
- bq.setMinimumNumberShouldMatch(DOMUtils.getAttribute(e,"minimumNumberShouldMatch",0));
- try
- {
- TokenStream ts = analyzer.reusableTokenStream(fieldName, new StringReader(text));
- CharTermAttribute termAtt = ts.addAttribute(CharTermAttribute.class);
- Term term = null;
- ts.reset();
- while (ts.incrementToken()) {
- if (term == null)
- {
- term = new Term(fieldName, termAtt.toString());
- } else
- {
-// create from previous to save fieldName.intern overhead
- term = term.createTerm(termAtt.toString());
- }
- bq.add(new BooleanClause(new TermQuery(term),BooleanClause.Occur.SHOULD));
- }
- ts.end();
- ts.close();
- }
- catch (IOException ioe)
- {
- throw new RuntimeException("Error constructing terms from index:"
- + ioe);
- }
- bq.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
-
- return bq;
-
- }
-
-}