content: /**
   * 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.index.Term;
  import org.apache.lucene.queryParser.ParseException;
  import org.apache.lucene.search.Query;
  import org.apache.lucene.search.TermQuery;
  import org.apache.solr.common.params.SolrParams;
  import org.apache.solr.common.util.NamedList;
  import org.apache.solr.request.SolrQueryRequest;
  import org.apache.solr.schema.FieldType;
  
  /**
   * Create a single term query from the input value equivalent to readableToIndexed().
   * This is useful for generating filter queries from the external human readable terms returned by the
   * faceting or terms components.
   *
   * <p>
   * For text fields, no analysis is done since raw terms are already returned from the faceting
   * and terms components, and not all text analysis is idempotent.
   * To apply analysis to text fields as well, see the {@link FieldQParserPlugin}.
   * <br>
   * If no analysis or transformation is desired for any type of field, see the {@link RawQParserPlugin}.
   *
   * <p>Other parameters: <code>f</code>, the field
   * <br>Example: <code>{!term f=weight}1.5</code>
   */
  public class TermQParserPlugin extends QParserPlugin {
    public static String NAME = "term";
  
    public void init(NamedList args) {
    }
  
    public QParser createParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
      return new QParser(qstr, localParams, params, req) {
        public Query parse() throws ParseException {
          String fname = localParams.get(QueryParsing.F);
          FieldType ft = req.getSchema().getFieldTypeNoEx(fname);
          String val = localParams.get(QueryParsing.V);
  
          return new TermQuery(new Term(fname, 
                                        null == ft ? val : ft.readableToIndexed(val)));
        }
      };
    }
  }
  