org.apache.solr.search.LuceneQParser.java Source code

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Here is the source code for org.apache.solr.search.LuceneQParser.java

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/*
 * 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.
 */
package org.apache.solr.search;

import org.apache.lucene.search.Query;
import org.apache.solr.common.params.CommonParams;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.common.util.StrUtils;
import org.apache.solr.request.SolrQueryRequest;

/**
 * @see LuceneQParserPlugin
 */
public class LuceneQParser extends QParser {
    SolrQueryParser lparser;

    public LuceneQParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
        super(qstr, localParams, params, req);
    }

    @Override
    public Query parse() throws SyntaxError {
        String qstr = getString();
        if (qstr == null || qstr.length() == 0)
            return null;

        String defaultField = getParam(CommonParams.DF);
        lparser = new SolrQueryParser(this, defaultField);

        lparser.setDefaultOperator(QueryParsing.parseOP(getParam(QueryParsing.OP)));
        lparser.setSplitOnWhitespace(StrUtils.parseBool(getParam(QueryParsing.SPLIT_ON_WHITESPACE),
                SolrQueryParser.DEFAULT_SPLIT_ON_WHITESPACE));
        lparser.setAllowSubQueryParsing(true);

        return lparser.parse(qstr);
    }

    @Override
    public String[] getDefaultHighlightFields() {
        return lparser == null ? new String[] {} : new String[] { lparser.getDefaultField() };
    }

}