/*
* eXist Open Source Native XML Database
* Copyright (C) 2001-2015 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.exist.indexing.lucene;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.queryparser.flexible.core.QueryNodeException;
import org.apache.lucene.queryparser.flexible.standard.CommonQueryParserConfiguration;
import org.apache.lucene.queryparser.flexible.standard.StandardQueryParser;
import org.apache.lucene.search.Query;
import org.exist.xquery.XPathException;
/**
* Wrapper around Lucene's new flexible {@link StandardQueryParser}.
*
* @author Wolfgang
*/
public class StandardQueryParserWrapper extends QueryParserWrapper {
private String field = null;
private StandardQueryParser parser = null;
public StandardQueryParserWrapper(String field, Analyzer analyzer) {
super(field, analyzer);
this.field = field;
this.parser = new StandardQueryParser(analyzer);
}
@Override
public CommonQueryParserConfiguration getConfiguration() {
return parser;
}
@Override
public Query parse(String query) throws XPathException {
try {
return parser.parse(query, field);
} catch (QueryNodeException e) {
throw new XPathException("Syntax error in Lucene query string: " + e.getMessage());
}
}
}